/* ==============================================================
   FORGE & FORM — v2 DARK
   Site principal: dark mode + forja + scroll storytelling
   Inspirações: scroll-world (continuous flight), minimalismo editorial
   ============================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* ============ PALETA DARK + FORJA ============ */
  --ff-bg: #0a0606;
  --ff-bg-2: #100a08;
  --ff-bg-3: #160e0b;
  --ff-bg-4: #1c1310;
  --ff-bg-warm: #221511;
  --ff-ink: #f3ede4;
  --ff-ink-2: #c8beb2;
  --ff-ink-3: #89807a;
  --ff-ink-4: #5a524d;
  --ff-line: rgba(255, 255, 255, 0.06);
  --ff-line-2: rgba(255, 255, 255, 0.1);
  --ff-line-strong: rgba(255, 255, 255, 0.18);

  /* Ember: calor principal */
  --ff-ember: #ff5a1f;
  --ff-ember-bright: #ff7a3a;
  --ff-ember-deep: #b03a14;
  --ff-ember-soft: rgba(255, 90, 31, 0.15);
  --ff-ember-faint: rgba(255, 90, 31, 0.06);
  --ff-ember-glow: rgba(255, 90, 31, 0.4);

  /* Amber: dourado quente */
  --ff-amber: #f5b042;
  --ff-amber-bright: #ffc966;
  --ff-amber-soft: rgba(245, 176, 66, 0.18);
  --ff-amber-faint: rgba(245, 176, 66, 0.08);

  /* Spark: amarelo-fogo */
  --ff-spark: #ffeb3b;
  --ff-spark-bright: #fff59d;

  /* Tipografia */
  --ff-font-serif: 'Fraunces', georgia, serif;
  --ff-font-sans: 'Inter', -apple-system, blinkmacsystemfont, sans-serif;
  --ff-font-mono: 'JetBrains Mono', monospace;
  --ff-step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.875rem);
  --ff-step-0: clamp(0.95rem, 0.9rem + 0.2vw, 1.025rem);
  --ff-step-1: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  --ff-step-2: clamp(1.4rem, 1.25rem + 0.6vw, 1.7rem);
  --ff-step-3: clamp(1.8rem, 1.5rem + 1.2vw, 2.4rem);
  --ff-step-4: clamp(2.4rem, 1.9rem + 2vw, 3.4rem);
  --ff-step-5: clamp(3.2rem, 2.4rem + 3.5vw, 5.5rem);
  --ff-step-6: clamp(4rem, 2.8rem + 5vw, 7.5rem);
  --ff-step-7: clamp(6rem, 4rem + 8vw, 12rem); /* números gigantes */
  --ff-gutter: clamp(1.25rem, 1rem + 2vw, 2.5rem);
  --ff-section-y: clamp(5rem, 3rem + 5vw, 9rem);
  --ff-radius: 12px;
  --ff-radius-lg: 20px;
  --ff-radius-xl: 32px;
  --ff-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ff-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--ff-bg);
}

body.ff-body {
  margin: 0;
  font-family: var(--ff-font-sans);
  font-size: var(--ff-step-0);
  line-height: 1.6;
  color: var(--ff-ink);
  background: var(--ff-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Global noise grain */
body.ff-body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

img,
svg {
  max-width: 100%;
  display: block;
}
button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
}
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

::selection {
  background: var(--ff-ember);
  color: var(--ff-bg);
}

.ff-skip-link {
  position: absolute;
  left: -9999px;
  background: var(--ff-ember);
  color: var(--ff-bg);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  z-index: 999;
  font-weight: 600;
}
.ff-skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ==============================================================
   GLOBAL FIRE VIDEO BACKGROUND
   ============================================================== */

.ff-fire-video {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.ff-fire-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  opacity: 0.35;
  filter: brightness(0.8) contrast(1.2) saturate(1.3);
}

.ff-fire-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 6, 6, 0.5) 0%,
    rgba(10, 6, 6, 0.2) 30%,
    rgba(10, 6, 6, 0.3) 60%,
    rgba(10, 6, 6, 0.85) 100%
  );
}

/* ==============================================================
   PROGRESS BAR
   ============================================================== */

.ff-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
  z-index: 100;
}

.ff-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--ff-ember-glow);
}

/* ==============================================================
   CONTAINER
   ============================================================== */

.ff-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--ff-gutter);
  position: relative;
  z-index: 3;
}

/* ==============================================================
   NAV
   ============================================================== */

.ff-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--ff-gutter);
  padding-left: calc(var(--ff-gutter) + env(safe-area-inset-left));
  padding-right: calc(var(--ff-gutter) + env(safe-area-inset-right));
  background: rgba(10, 6, 6, 0.55);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: all 0.4s var(--ff-ease);
}

.ff-nav.is-scrolled {
  background: rgba(10, 6, 6, 0.85);
  border-bottom-color: var(--ff-line);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.ff-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.ff-brand-names {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.ff-brand-text {
  font-family: var(--ff-font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ff-ink);
  letter-spacing: -0.015em;
}

.ff-brand-sub {
  font-family: var(--ff-font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ff-ember);
  margin-top: 1px;
}

.ff-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--ff-ember);
  transition: all 0.4s var(--ff-ease);
  filter: drop-shadow(0 0 8px var(--ff-ember-glow));
}

.ff-brand-mark img {
  width: 100%;
  height: 100%;
  border-radius: 6px;
  object-fit: contain;
  box-shadow: 0 0 10px rgba(245, 94, 26, 0.4);
  transition: all 0.3s var(--ff-ease);
}

.ff-brand:hover .ff-brand-mark img {
  box-shadow: 0 0 16px rgba(245, 176, 66, 0.7);
  transform: scale(1.06);
}

.ff-brand-mark svg {
  width: 100%;
  height: 100%;
}

.ff-brand:hover .ff-brand-mark {
  color: var(--ff-amber);
  filter: drop-shadow(0 0 12px rgba(245, 176, 66, 0.5));
}

.ff-nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.ff-nav-links a {
  position: relative;
  padding: 0.5rem 0.95rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ff-ink-2);
  border-radius: 999px;
  transition: all 0.25s var(--ff-ease);
}

.ff-nav-links a:hover {
  color: var(--ff-ink);
  background: rgba(255, 255, 255, 0.04);
}

.ff-nav-links a.active {
  color: var(--ff-ember);
}

.ff-nav-links a.active::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.2rem;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--ff-ember);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--ff-ember);
}

.ff-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.3rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ff-bg);
  background: var(--ff-ember);
  border-radius: 999px;
  transition: all 0.3s var(--ff-ease);
  box-shadow: 0 0 0 0 var(--ff-ember-glow);
  position: relative;
  overflow: hidden;
}

.ff-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.6s var(--ff-ease);
}

.ff-cta:hover {
  background: var(--ff-ember-bright);
  box-shadow: 0 12px 28px -8px var(--ff-ember-glow);
  transform: translateY(-1px);
}

.ff-cta:hover::before {
  transform: translateX(100%);
}

/* ==============================================================
   LANGUAGE SWITCHER (pt-BR / en)
   ============================================================== */

.ff-nav-right {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.ff-lang {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.22rem;
  border: 1px solid var(--ff-line-2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.ff-lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: 0.45;
  transition: all 0.25s var(--ff-ease);
}

@media (max-width: 768px) {
  .ff-lang-btn {
    width: 42px;
    height: 42px;
  }
}

.ff-lang-btn svg {
  display: block;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}

.ff-lang-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.ff-lang-btn:focus-visible {
  outline: 2px solid var(--ff-ember);
  outline-offset: 2px;
}

.ff-lang-btn.is-active {
  opacity: 1;
  border-color: var(--ff-ember);
  box-shadow: 0 0 10px var(--ff-ember-glow);
}

@media (max-width: 768px) {
  .ff-nav-links {
    display: none;
  }

  .ff-lang {
    margin-left: auto;
  }
}

/* ==============================================================
   SHARED — Eyebrow, Section Heads, Ember Letter
   ============================================================== */

.ff-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ff-ember);
  margin-bottom: 1.5rem;
}

.ff-eyebrow-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--ff-ember);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--ff-ember);
  animation: ff-pulse 2.5s ease-in-out infinite;
}

@keyframes ff-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

.ff-num {
  display: inline-block;
  font-family: var(--ff-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--ff-ember);
  margin-right: 0.85rem;
}

.ff-tag {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ff-ink-3);
  vertical-align: middle;
}

.ff-ember-letter {
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(
    120deg,
    var(--ff-ember) 0%,
    var(--ff-ember-bright) 50%,
    var(--ff-amber) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--ff-ember);
}

.ff-section-head {
  margin-bottom: 4rem;
  max-width: 760px;
}

.ff-section-title {
  font-family: var(--ff-font-serif);
  font-size: var(--ff-step-5);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ff-ink);
  margin: 1.2rem 0 1.2rem;
}

.ff-section-desc {
  font-size: var(--ff-step-1);
  color: var(--ff-ink-2);
  margin: 0;
  max-width: 56ch;
  line-height: 1.65;
}

/* ==============================================================
   BUTTONS
   ============================================================== */

.ff-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.7rem;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 999px;
  transition: all 0.3s var(--ff-ease);
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
}

.ff-btn--primary {
  background: var(--ff-ember);
  color: var(--ff-bg);
  font-weight: 600;
  box-shadow: 0 0 0 0 var(--ff-ember-glow);
  overflow: hidden;
}

.ff-btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.6s var(--ff-ease);
}

.ff-btn--primary:hover {
  background: var(--ff-ember-bright);
  box-shadow: 0 16px 36px -8px var(--ff-ember-glow);
  transform: translateY(-2px);
}

.ff-btn--primary:hover::before {
  transform: translateX(100%);
}

.ff-btn--primary.is-sent {
  background: #8df0a5;
  color: #17110f;
  box-shadow: 0 12px 28px -8px rgba(141, 240, 165, 0.55);
}

.ff-btn--ghost {
  background: transparent;
  color: var(--ff-ink);
  border-color: var(--ff-line-2);
}

.ff-btn--ghost:hover {
  border-color: var(--ff-ember);
  color: var(--ff-ember);
  background: var(--ff-ember-faint);
}

.ff-btn--block {
  width: 100%;
  justify-content: center;
}

.ff-btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(10, 6, 6, 0.3);
  border-top-color: var(--ff-bg);
  border-radius: 50%;
  animation: ff-spin 0.8s linear infinite;
}

.ff-btn.loading .ff-btn-text {
  opacity: 0;
}
.ff-btn.loading .ff-btn-spinner {
  display: inline-block;
  position: absolute;
}

/* reCAPTCHA legal note */
.ff-recaptcha-note {
  margin: 1rem 0 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--ff-ink-4);
  text-align: center;
}

.ff-recaptcha-note a {
  color: var(--ff-ink-3);
  text-decoration: underline;
  transition: color 0.25s var(--ff-ease);
}

.ff-recaptcha-note a:hover {
  color: var(--ff-ember);
}

/* reCAPTCHA badge — bem pequeno e discreto, à esquerda
   para não sobrepor o botão flutuante do WhatsApp */
.grecaptcha-badge {
  z-index: 40;
  left: 0.5rem !important;
  right: auto !important;
  bottom: 0.5rem !important;
  transform: scale(0.35) !important;
  transform-origin: bottom left !important;
  opacity: 0.35;
  transition: opacity 0.2s ease;
}

.grecaptcha-badge:hover {
  opacity: 0.9;
}

@keyframes ff-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==============================================================
   HERO
   ============================================================== */

.ff-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: 8rem;
  padding-bottom: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

.ff-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.ff-hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 80%, rgba(255, 90, 31, 0.12) 0%, transparent 55%),
    linear-gradient(
      180deg,
      rgba(10, 6, 6, 0.4) 0%,
      rgba(10, 6, 6, 0.15) 40%,
      rgba(10, 6, 6, 0.7) 100%
    );
}

.ff-hero-content {
  position: relative;
  z-index: 3;
}

.ff-headline {
  font-family: var(--ff-font-serif);
  font-size: var(--ff-step-6);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--ff-ink);
  margin: 0 0 2rem;
  max-width: 18ch;
}

.ff-headline-line {
  display: block;
}

.ff-headline-line.ff-ember-letter {
  font-style: italic;
  font-weight: 500;
  display: inline-block;
}

.ff-lead {
  font-size: var(--ff-step-1);
  line-height: 1.65;
  color: var(--ff-ink-2);
  max-width: 52ch;
  margin: 0 0 2.5rem;
}

.ff-lead strong {
  color: var(--ff-ink);
  font-weight: 500;
}

.ff-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 4rem;
}

.ff-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ff-line);
  max-width: 720px;
}

.ff-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ff-meta-num {
  font-family: var(--ff-font-serif);
  font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.2rem);
  font-weight: 500;
  font-style: italic;
  color: var(--ff-ink);
  letter-spacing: -0.02em;
  line-height: 1;
}

.ff-meta-label {
  font-size: 0.75rem;
  color: var(--ff-ink-3);
  letter-spacing: 0.05em;
}

.ff-meta-sep {
  width: 1px;
  background: var(--ff-line);
  align-self: stretch;
}

.ff-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-font-mono);
  font-size: 0.7rem;
  color: var(--ff-ink-3);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 4;
}

.ff-scroll-line {
  width: 1px;
  height: 32px;
  background: var(--ff-ember);
  animation: ff-scroll-pulse 2s ease-in-out infinite;
}

@keyframes ff-scroll-pulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.5);
  }
}

@media (max-width: 640px) {
  .ff-meta-sep {
    display: none;
  }
  .ff-hero-meta {
    gap: 1.5rem;
  }
}

/* Hero — mobile: headline menor para caber CTAs na primeira dobra */
@media (max-width: 640px) {
  .ff-hero {
    padding-top: 6rem;
    padding-bottom: 5rem;
  }
  .ff-headline {
    font-size: clamp(2.35rem, 11vw, 3.2rem);
    line-height: 1.02;
    margin-bottom: 1.5rem;
  }
  .ff-lead {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }
  .ff-hero-actions {
    margin-bottom: 2.5rem;
  }
  .ff-scroll-hint {
    bottom: calc(1rem + env(safe-area-inset-bottom));
  }
}

/* ==============================================================
   SECTION
   ============================================================== */

.ff-section {
  position: relative;
  padding: var(--ff-section-y) 0;
  overflow: hidden;
}

.ff-section--manifesto {
  background: var(--ff-bg);
}
.ff-section--numbers {
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
  border-bottom: 1px solid var(--ff-line);
}
.ff-section--process {
  background: var(--ff-bg);
}
.ff-section--solutions {
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
}
.ff-section--contact {
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
}

/* ==============================================================
   MANIFESTO
   ============================================================== */

.ff-statement {
  font-family: var(--ff-font-serif);
  font-size: clamp(2rem, 1.5rem + 2.5vw, 3.6rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ff-ink);
  margin: 0 0 3rem;
  max-width: 16ch;
}

.ff-statement-sub {
  display: block;
  font-size: 0.55em;
  font-family: var(--ff-font-sans);
  font-weight: 400;
  font-style: normal;
  color: var(--ff-ink-3);
  letter-spacing: 0;
  margin-top: 1rem;
  max-width: 30ch;
  line-height: 1.5;
}

.ff-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ff-line);
}

.ff-pillar {
  padding: 2rem 1.5rem 2rem 0;
  border-right: 1px solid var(--ff-line);
}

.ff-pillar:last-child {
  border-right: none;
  padding-right: 0;
}

.ff-pillar-num {
  display: block;
  font-family: var(--ff-font-mono);
  font-size: 0.78rem;
  color: var(--ff-ember);
  margin-bottom: 0.85rem;
  letter-spacing: 0.1em;
}

.ff-pillar h3 {
  font-family: var(--ff-font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: var(--ff-ink);
  letter-spacing: -0.01em;
}

.ff-pillar p {
  font-size: 0.88rem;
  color: var(--ff-ink-2);
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .ff-pillars {
    grid-template-columns: 1fr 1fr;
  }
  .ff-pillar {
    border-right: none;
    border-bottom: 1px solid var(--ff-line);
    padding: 1.5rem 0;
  }
  .ff-pillar:nth-child(2n) {
    border-right: none;
  }
  .ff-pillar:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  .ff-pillars {
    grid-template-columns: 1fr;
  }
  .ff-pillar {
    border-bottom: 1px solid var(--ff-line);
  }
  .ff-pillar:last-child {
    border-bottom: none;
  }
}

/* ==============================================================
   WORLD — cinematic scroll portfolio
   ============================================================== */

.ff-world {
  position: relative;
  background: var(--ff-bg);
  overflow: hidden;
}

.ff-world-head {
  padding: var(--ff-section-y) 0 4rem;
  max-width: 760px;
}

.ff-world-title {
  font-family: var(--ff-font-serif);
  font-size: clamp(2.8rem, 2rem + 3vw, 5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ff-ink);
  margin: 1.2rem 0 1.2rem;
}

.ff-world-desc {
  font-size: var(--ff-step-1);
  color: var(--ff-ink-2);
  margin: 0;
  max-width: 56ch;
  line-height: 1.65;
}

.ff-world-desc strong {
  color: var(--ff-ink);
  font-weight: 500;
}

/* ==============================================================
   SCENE — each demo
   ============================================================== */

.ff-scene {
  position: relative;
  padding: clamp(5rem, 3rem + 6vw, 8rem) 0;
  overflow: hidden;
  isolation: isolate;
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

.ff-scene-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--scene-bg, var(--ff-bg));
}

.ff-scene-bg[data-bg-color] {
  background: var(--scene-bg-color);
}

.ff-scene-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 6, 6, 0.85) 0%,
    rgba(10, 6, 6, 0.6) 50%,
    rgba(10, 6, 6, 0.85) 100%
  );
}

.ff-scene-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 80%;
  background: radial-gradient(
    ellipse,
    var(--scene-glow-color, var(--ff-ember-glow)) 0%,
    transparent 60%
  );
  filter: blur(80px);
  opacity: 0.4;
  z-index: 1;
  pointer-events: none;
}

.ff-scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
  position: relative;
  z-index: 3;
}

.ff-scene-grid > * {
  min-width: 0;
  max-width: 100%;
}

.ff-scene[data-align='left'] .ff-scene-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
}

.ff-scene[data-align='left'] .ff-scene-content {
  order: 2;
}

.ff-scene-content {
  position: relative;
}

.ff-scene-content--center {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.ff-scene-meta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ff-scene-meta--center {
  justify-content: center;
}

.ff-scene-num {
  font-family: var(--ff-font-serif);
  font-size: clamp(3rem, 2rem + 3vw, 5rem);
  font-weight: 600;
  font-style: italic;
  background: linear-gradient(120deg, var(--ff-ember) 0%, var(--ff-amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -0.04em;
  filter: drop-shadow(0 0 24px var(--ff-ember-glow));
}

.ff-scene-cat {
  font-family: var(--ff-font-mono);
  font-size: 0.78rem;
  color: var(--ff-ink-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-left: 1rem;
  border-left: 1px solid var(--ff-line);
}

.ff-scene-title {
  font-family: var(--ff-font-serif);
  font-size: clamp(2.2rem, 1.5rem + 2.5vw, 4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ff-ink);
  margin: 0 0 1.5rem;
}

.ff-scene-desc {
  font-size: var(--ff-step-1);
  color: var(--ff-ink-2);
  margin: 0 0 1.5rem;
  line-height: 1.65;
  max-width: 50ch;
}

.ff-scene-content--center .ff-scene-desc {
  margin-left: auto;
  margin-right: auto;
}

.ff-scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.ff-scene-tags--center {
  justify-content: center;
}

.ff-scene-tags li {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  background: var(--ff-ember-faint);
  border: 1px solid var(--ff-ember-soft);
  border-radius: 999px;
  color: var(--ff-ember-bright);
  letter-spacing: 0.04em;
}

.ff-scene-go {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ff-bg);
  background: var(--ff-ember);
  border-radius: 999px;
  transition: all 0.3s var(--ff-ease);
  box-shadow: 0 0 0 0 var(--ff-ember-glow);
}

.ff-scene-go:hover {
  background: var(--ff-ember-bright);
  transform: translateX(4px);
  box-shadow: 0 12px 28px -8px var(--ff-ember-glow);
}

.ff-scene-go--center {
  margin: 0 auto;
}

.ff-scene-go svg {
  transition: transform 0.3s var(--ff-ease);
}

.ff-scene-go:hover svg {
  transform: translate(3px, -3px);
}

/* ==============================================================
   BROWSER FRAME
   ============================================================== */

.ff-scene-frame {
  position: relative;
}

.ff-scene-frame--wide {
  margin-top: 3rem;
}

.ff-browser {
  background: #1a1a1a;
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
  box-shadow:
    0 30px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--ff-line-2),
    var(--browser-shadow, 0 0 60px -20px var(--ff-ember-glow));
  transition: all 0.5s var(--ff-ease);
}

.ff-scene:hover .ff-browser {
  transform: translateY(-8px);
  box-shadow:
    0 50px 100px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px var(--ff-ember-soft),
    var(--browser-shadow, 0 0 80px -20px var(--ff-ember-glow));
}

.ff-browser-chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 5;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ff-browser-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.ff-browser-dot:nth-child(1) {
  background: #ff5f57;
}
.ff-browser-dot:nth-child(2) {
  background: #febc2e;
}
.ff-browser-dot:nth-child(3) {
  background: #28c840;
}

.ff-browser-dot--light {
  opacity: 0.6;
}

.ff-browser-url {
  flex: 1;
  text-align: center;
  font-family: var(--ff-font-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  max-width: 320px;
  margin: 0 auto;
}

.ff-browser-url--light {
  color: rgba(0, 0, 0, 0.6);
  background: rgba(0, 0, 0, 0.05);
}

.ff-browser-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ff-ember);
  letter-spacing: 0.05em;
}

.ff-browser-pulse {
  width: 6px;
  height: 6px;
  background: var(--ff-ember);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--ff-ember);
  animation: ff-pulse 1.5s ease-in-out infinite;
}

.ff-browser-screen {
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: var(--ff-bg);
}

/* ==============================================================
   SCREEN PREVIEW — iframe live previews
   ============================================================== */

.ff-screen-preview {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--ff-bg);
}

.ff-screen-preview iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1440px;
  height: 900px;
  border: none;
  pointer-events: none;
  transform-origin: top left;
  will-change: transform;
}

/* Vortex featured section */
.ff-scene--featured .ff-scene-bg {
  background: var(--ff-bg-3);
}

/* ==============================================================
   CONNECTOR — entre scenes
   ============================================================== */

.ff-connector {
  position: relative;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ff-connector-line {
  position: relative;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, var(--ff-ember) 50%, transparent 100%);
  opacity: 0.5;
}

.ff-connector-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: var(--ff-ember);
  filter: blur(4px);
  animation: ff-connector-pulse 2.5s ease-in-out infinite;
}

@keyframes ff-connector-pulse {
  0% {
    top: 0;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    top: calc(100% - 40px);
    opacity: 0;
  }
}

.ff-connector-spark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--ff-ember);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 16px var(--ff-ember);
  animation: ff-spark-float 4s ease-in-out infinite;
}

@keyframes ff-spark-float {
  0%,
  100% {
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.4);
  }
}

/* ==============================================================
   NUMBERS — stats massivos
   ============================================================== */

.ff-numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.ff-number {
  padding: 2rem 0;
  border-right: 1px solid var(--ff-line);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.ff-number:last-child {
  border-right: none;
}

.ff-number-num {
  font-family: var(--ff-font-serif);
  font-size: clamp(3.5rem, 2.5rem + 3vw, 6rem);
  font-weight: 500;
  font-style: italic;
  background: linear-gradient(120deg, var(--ff-ember) 0%, var(--ff-amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.ff-number-suffix {
  font-size: 0.85rem;
  color: var(--ff-ink-3);
  letter-spacing: 0.05em;
}

.ff-number-label {
  display: inline;
  font-family: var(--ff-font-sans);
  font-style: normal;
  font-weight: 400;
  color: var(--ff-ink-4);
  margin-left: 0.3rem;
}

@media (max-width: 900px) {
  .ff-numbers-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ff-number:nth-child(2n) {
    border-right: none;
  }
  .ff-number:nth-child(-n + 2) {
    border-bottom: 1px solid var(--ff-line);
  }
  .ff-number:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  .ff-numbers-grid {
    grid-template-columns: 1fr;
  }
  .ff-number {
    border-right: none;
    border-bottom: 1px solid var(--ff-line);
    padding: 1.5rem 0;
  }
  .ff-number:last-child {
    border-bottom: none;
  }
}

/* ==============================================================
   PROCESS
   ============================================================== */

.ff-process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--ff-line);
}

.ff-process-step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem 1.5rem 2rem 0;
  border-right: 1px solid var(--ff-line);
  position: relative;
}

.ff-process-step:last-child {
  border-right: none;
}

.ff-process-num {
  font-family: var(--ff-font-mono);
  font-size: 0.78rem;
  color: var(--ff-ember);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.ff-process-body h3 {
  font-family: var(--ff-font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: var(--ff-ink);
  letter-spacing: -0.01em;
}

.ff-process-body p {
  font-size: 0.88rem;
  color: var(--ff-ink-2);
  margin: 0;
  line-height: 1.6;
}

.ff-process-time {
  margin-top: auto;
  font-family: var(--ff-font-mono);
  font-size: 0.72rem;
  color: var(--ff-ink-3);
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .ff-process-list {
    grid-template-columns: 1fr 1fr;
  }
  .ff-process-step {
    border-right: none;
    border-bottom: 1px solid var(--ff-line);
    padding: 1.5rem 0;
  }
  .ff-process-step:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  .ff-process-list {
    grid-template-columns: 1fr;
  }
  .ff-process-step {
    border-bottom: 1px solid var(--ff-line);
  }
  .ff-process-step:last-child {
    border-bottom: none;
  }
}

/* ==============================================================
   CONTACT
   ============================================================== */

.ff-section--contact {
  position: relative;
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
  overflow: hidden;
  isolation: isolate;
}

.ff-contact-bg-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ff-contact-bg-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0.45;
  filter: brightness(0.7) contrast(1.3) saturate(1.4);
}

.ff-contact-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255, 90, 31, 0.15) 0%, transparent 70%),
    linear-gradient(
      180deg,
      rgba(10, 6, 6, 0.85) 0%,
      rgba(10, 6, 6, 0.5) 50%,
      rgba(10, 6, 6, 0.95) 100%
    );
}

.ff-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: start;
}

.ff-contact-title {
  font-family: var(--ff-font-serif);
  font-size: clamp(2.2rem, 1.5rem + 2.5vw, 4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ff-ink);
  margin: 1rem 0 1.5rem;
}

.ff-contact-lead {
  font-size: var(--ff-step-1);
  color: var(--ff-ink-2);
  margin: 0 0 2.5rem;
  max-width: 50ch;
  line-height: 1.65;
}

.ff-contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.ff-contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ff-line);
  border-radius: 10px;
  transition: all 0.3s var(--ff-ease);
}

.ff-contact-link:hover {
  border-color: var(--ff-ember);
  background: rgba(255, 90, 31, 0.04);
  transform: translateX(4px);
}

.ff-contact-label {
  font-family: var(--ff-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ff-ink-3);
}

.ff-contact-value {
  font-family: var(--ff-font-serif);
  font-size: 1.1rem;
  color: var(--ff-ink);
  font-weight: 500;
}

.ff-form {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  backdrop-filter: blur(10px);
}

.ff-form-feedback {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 100;
  width: min(calc(100vw - 2rem), 34rem);
  box-sizing: border-box;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  background: rgba(18, 12, 12, 0.78);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  color: #8df0a5;
  font-size: 0.95rem;
  line-height: 1.4;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -45%) scale(0.96);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.ff-form-feedback.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.ff-form-feedback.is-error {
  border-color: rgba(255, 107, 107, 0.35);
  background: rgba(55, 18, 18, 0.82);
  color: #ffb0a8;
}

.ff-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ff-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ff-ink-2);
}

.ff-field input,
.ff-field select,
.ff-field textarea {
  padding: 0.75rem 1rem;
  background: var(--ff-bg-3);
  border: 1.5px solid var(--ff-line-2);
  border-radius: 10px;
  font-size: 1rem; /* >=16px evita auto-zoom no iOS Safari */
  color: var(--ff-ink);
  transition: all 0.25s var(--ff-ease);
  outline: none;
  font-family: inherit;
}

.ff-field input:focus,
.ff-field select:focus,
.ff-field textarea:focus {
  border-color: var(--ff-ember);
  background: var(--ff-bg-2);
  box-shadow: 0 0 0 4px var(--ff-ember-faint);
}

.ff-field textarea {
  resize: vertical;
  min-height: 100px;
}

@media (max-width: 900px) {
  .ff-contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ff-section--contact .ff-contact-grid {
    justify-items: center;
  }

  .ff-section--contact .ff-contact-info,
  .ff-section--contact .ff-form {
    width: 100%;
    max-width: 36rem;
    min-width: 0;
    box-sizing: border-box;
  }

  .ff-section--contact .ff-contact-info {
    text-align: center;
  }

  .ff-section--contact .ff-contact-lead {
    margin-right: auto;
    margin-left: auto;
  }

  .ff-section--contact .ff-contact-links {
    width: 100%;
    max-width: 36rem;
    margin-right: auto;
    margin-left: auto;
    text-align: left;
  }
}

/* ==============================================================
   FOOTER
   ============================================================== */

.ff-footer {
  background: var(--ff-bg);
  border-top: 1px solid var(--ff-line);
  padding: 3rem 0 2rem;
  position: relative;
  z-index: 3;
}

.ff-footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.ff-footer .ff-brand {
  color: var(--ff-ink);
}

.ff-footer .ff-brand-mark {
  color: var(--ff-ember);
}

.ff-footer-mid {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.85rem;
}

.ff-footer-label {
  font-family: var(--ff-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ff-ink-4);
}

.ff-footer-text {
  color: var(--ff-ink);
}

.ff-footer-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ff-ink-3);
}

.ff-ember-dot {
  width: 12px;
  height: 12px;
  background: var(--ff-ember);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--ff-ember);
  animation: ff-pulse 2.5s ease-in-out infinite;
}

@media (max-width: 640px) {
  .ff-footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==============================================================
   MOBILE MENU
   ============================================================== */

.ff-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  margin: -0.5rem;
  z-index: 60;
  cursor: pointer;
  background: transparent;
  border: none;
}

.ff-menu-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ff-ink);
  border-radius: 2px;
  transition: all 0.35s var(--ff-ease);
  transform-origin: center;
}

.ff-menu-toggle.is-active .ff-menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.ff-menu-toggle.is-active .ff-menu-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.ff-menu-toggle.is-active .ff-menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.ff-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(10, 6, 6, 0.96);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  padding-bottom: calc(2rem + env(safe-area-inset-bottom));
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ff-ease);
}

.ff-mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.ff-mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.ff-mobile-links li {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.4s var(--ff-ease),
    transform 0.4s var(--ff-ease);
}

.ff-mobile-menu.is-open .ff-mobile-links li {
  opacity: 1;
  transform: translateY(0);
}

.ff-mobile-menu.is-open .ff-mobile-links li:nth-child(1) {
  transition-delay: 0.05s;
}
.ff-mobile-menu.is-open .ff-mobile-links li:nth-child(2) {
  transition-delay: 0.1s;
}
.ff-mobile-menu.is-open .ff-mobile-links li:nth-child(3) {
  transition-delay: 0.15s;
}
.ff-mobile-menu.is-open .ff-mobile-links li:nth-child(4) {
  transition-delay: 0.2s;
}
.ff-mobile-menu.is-open .ff-mobile-links li:nth-child(5) {
  transition-delay: 0.25s;
}

.ff-mobile-links a {
  display: block;
  padding: 1rem 2rem;
  font-family: var(--ff-font-serif);
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.8rem);
  font-weight: 500;
  color: var(--ff-ink);
  letter-spacing: -0.02em;
  transition: color 0.25s var(--ff-ease);
  text-align: center;
}

.ff-mobile-links a:hover {
  color: var(--ff-ember);
}

@media (max-width: 768px) {
  .ff-nav {
    padding: 0.85rem var(--ff-gutter);
  }

  .ff-menu-toggle {
    display: flex;
  }
  .ff-cta {
    display: none;
  }
}

@media (max-width: 420px) {
  .ff-brand-sub {
    display: none;
  }
  .ff-brand-text {
    font-size: 1.1rem;
  }
}

/* ==============================================================
   STACK SECTION
   ============================================================== */

.ff-section--stack {
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
}

.ff-stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--ff-line);
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
}

.ff-stack-card {
  background: var(--ff-bg-2);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.35s var(--ff-ease);
  position: relative;
}

.ff-stack-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  transition: width 0.5s var(--ff-ease);
}

.ff-stack-card:hover {
  background: var(--ff-bg-3);
}

.ff-stack-card:hover::before {
  width: 100%;
}

.ff-stack-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ff-ember-faint);
  border: 1px solid var(--ff-ember-soft);
  color: var(--ff-ember);
  transition: all 0.35s var(--ff-ease);
}

.ff-stack-icon svg {
  width: 22px;
  height: 22px;
}

.ff-stack-card:hover .ff-stack-icon {
  background: var(--ff-ember-soft);
  border-color: var(--ff-ember);
  color: var(--ff-ember-bright);
  box-shadow: 0 0 24px -8px var(--ff-ember-glow);
}

.ff-stack-card h3 {
  font-family: var(--ff-font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0;
  color: var(--ff-ink);
  letter-spacing: -0.01em;
}

.ff-stack-card p {
  font-size: 0.88rem;
  color: var(--ff-ink-2);
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .ff-stack-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .ff-stack-grid {
    grid-template-columns: 1fr;
  }
  .ff-stack-card {
    padding: 1.75rem 1.5rem;
  }
}

/* ==============================================================
   SCENE RESPONSIVE
   ============================================================== */

@media (max-width: 900px) {
  .ff-container {
    padding-left: 1.75rem !important;
    padding-right: 1.75rem !important;
    box-sizing: border-box !important;
  }

  .ff-world,
  .ff-scene {
    touch-action: pan-y;
  }

  .ff-scene-grid,
  .ff-scene[data-align='left'] .ff-scene-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 2rem;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .ff-scene[data-align='left'] .ff-scene-content {
    order: 0;
  }

  .ff-scene-num {
    font-size: clamp(1.8rem, 1.5rem + 1.5vw, 2.5rem);
  }

  .ff-scene-title {
    font-size: clamp(1.35rem, 1.1rem + 1.2vw, 2rem) !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
    hyphens: auto;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .ff-scene-desc {
    font-size: clamp(0.9rem, 0.85rem + 0.3vw, 1rem) !important;
    max-width: 100% !important;
    min-width: 0 !important;
    line-height: 1.6 !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
    hyphens: auto;
    margin-bottom: 1.2rem !important;
  }

  .ff-scene-content {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
  }

  .ff-browser-chrome {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .ff-browser {
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.5),
      0 0 0 1px rgba(255, 255, 255, 0.1) !important;
    transform: none !important;
  }

  .ff-scene-frame,
  .ff-scene[data-align='left'] .ff-scene-frame {
    transform: none !important;
    perspective: none !important;
  }

  .ff-browser-screen,
  .ff-screen-preview,
  .ff-screen-preview iframe {
    pointer-events: none !important;
    touch-action: pan-y !important;
  }

  /* Cancel horizontal reveal animation on mobile — prevents text from
     being pushed against the screen edge by translateX(±40px) */
  .ff-scene-content,
  .ff-scene[data-align='left'] .ff-scene-content {
    transform: translateY(20px) !important;
  }

  .ff-scene-content.is-visible,
  .ff-scene[data-align='left'] .ff-scene-content.is-visible {
    transform: translateY(0) !important;
  }

  .ff-scene-content--center {
    transform: translateY(20px) translateX(0) !important;
  }

  .ff-scene-content--center.is-visible {
    transform: translateY(0) translateX(0) !important;
  }
}

/* ==============================================================
   HERO ENTRY ANIMATION
   ============================================================== */

.ff-eyebrow,
.ff-headline-line,
.ff-lead,
.ff-hero-actions,
.ff-hero-meta {
  opacity: 0;
  transform: translateY(28px);
  animation: ff-hero-enter 0.9s var(--ff-ease-out) forwards;
}

.ff-eyebrow {
  animation-delay: 0.15s;
}
.ff-headline-line:nth-child(1) {
  animation-delay: 0.25s;
}
.ff-headline-line:nth-child(2) {
  animation-delay: 0.35s;
}
.ff-headline-line:nth-child(3) {
  animation-delay: 0.45s;
}
.ff-headline-line:nth-child(4) {
  animation-delay: 0.55s;
}
.ff-lead {
  animation-delay: 0.65s;
}
.ff-hero-actions {
  animation-delay: 0.75s;
}
.ff-hero-meta {
  animation-delay: 0.85s;
}

@keyframes ff-hero-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================================================
   SCENE CONTENT REVEAL
   ============================================================== */

.ff-scene-content {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.8s var(--ff-ease),
    transform 0.8s var(--ff-ease);
}

.ff-scene[data-align='left'] .ff-scene-content {
  transform: translateX(40px);
}

.ff-scene-content.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.ff-scene-content--center {
  transform: translateY(32px) translateX(0);
}

.ff-scene-content--center.is-visible {
  transform: translateY(0) translateX(0);
}

.ff-scene-frame {
  opacity: 0;
  transform: perspective(2000px) rotateY(-8deg) translateY(20px);
  transition:
    opacity 0.8s var(--ff-ease),
    transform 0.8s var(--ff-ease);
}

.ff-scene[data-align='left'] .ff-scene-frame {
  transform: perspective(2000px) rotateY(8deg) translateY(20px);
}

.ff-scene-frame.is-visible {
  opacity: 1;
  transform: perspective(2000px) rotateY(0deg) translateY(0);
}

/* ==============================================================
   SOLUTIONS — infrastructure, custom systems and applied AI
   ============================================================== */

.ff-solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.ff-solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2rem 2rem;
  background: linear-gradient(170deg, var(--ff-bg-3), var(--ff-bg-2));
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
  transition:
    transform 0.5s var(--ff-ease),
    border-color 0.5s var(--ff-ease),
    box-shadow 0.5s var(--ff-ease);
}

.ff-solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  opacity: 0;
  transition: opacity 0.5s var(--ff-ease);
}

.ff-solution-card:hover {
  transform: translateY(-5px);
  border-color: var(--ff-line-strong);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.32);
}

.ff-solution-card:hover::before,
.ff-solution-card--featured::before {
  opacity: 1;
}

.ff-solution-card--featured {
  border-color: rgba(255, 90, 31, 0.28);
  background: linear-gradient(170deg, var(--ff-ember-faint), var(--ff-bg-2));
}

.ff-solution-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 2rem;
  color: var(--ff-ember-bright);
  background: var(--ff-ember-faint);
  border: 1px solid var(--ff-ember-soft);
  border-radius: 14px;
}

.ff-solution-icon svg {
  width: 1.65rem;
  height: 1.65rem;
}

.ff-solution-cat {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--ff-amber);
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ff-solution-card h3 {
  margin: 0 0 0.65rem;
  color: var(--ff-ink);
  font-family: var(--ff-font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.ff-solution-card p {
  margin: 0;
  color: var(--ff-ink-2);
  font-size: 0.92rem;
  line-height: 1.65;
}

.ff-solution-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-top: 1.6rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ff-line);
}

.ff-solution-list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--ff-ink-3);
  font-size: 0.82rem;
  line-height: 1.5;
}

.ff-solution-list li::before {
  content: '+';
  position: absolute;
  top: 0;
  left: 0;
  color: var(--ff-ember);
  font-family: var(--ff-font-mono);
  font-size: 0.9rem;
  line-height: 1.35;
}

.ff-solutions-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ff-line);
}

.ff-solutions-cta p {
  margin: 0;
  color: var(--ff-ink-2);
  font-family: var(--ff-font-serif);
  font-size: var(--ff-step-2);
  line-height: 1.2;
}

@media (max-width: 900px) {
  .ff-solutions-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .ff-solutions-grid {
    grid-template-columns: 1fr;
  }

  .ff-solution-card {
    padding: 1.9rem 1.5rem 1.75rem;
  }

  .ff-solutions-cta {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.25rem;
  }
}

/* ==============================================================
   REVEAL
   ============================================================== */

.ff-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.9s var(--ff-ease),
    transform 0.9s var(--ff-ease);
}

.ff-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* No-JS fallback: reveal content when JavaScript is unavailable. */
.no-js .ff-reveal {
  opacity: 1;
  transform: none;
}

/* ==============================================================
   PARALLAX (driven by JS)
   ============================================================== */

[data-parallax] {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ==============================================================
   CONSENT CHECKBOX (contact form)
   ============================================================== */

.ff-consent {
  margin-top: 0.25rem;
}

.ff-consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  position: relative;
  line-height: 1.55;
}

.ff-consent-label input[type='checkbox'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.ff-consent-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1.5px solid var(--ff-line-strong);
  border-radius: 5px;
  background: var(--ff-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s var(--ff-ease);
  position: relative;
}

.ff-consent-check::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform 0.2s var(--ff-ease);
  top: 4px;
  left: 3px;
}

.ff-consent-label input[type='checkbox']:checked ~ .ff-consent-check {
  background: var(--ff-ember);
  border-color: var(--ff-ember);
  box-shadow: 0 0 12px var(--ff-ember-glow);
}

.ff-consent-label input[type='checkbox']:checked ~ .ff-consent-check::after {
  transform: rotate(-45deg) scale(1);
}

.ff-consent-label input[type='checkbox']:focus-visible ~ .ff-consent-check {
  box-shadow: 0 0 0 4px var(--ff-ember-faint);
  border-color: var(--ff-ember);
}

.ff-consent-label:hover .ff-consent-check {
  border-color: var(--ff-ember-bright);
}

.ff-consent-text {
  font-size: 0.82rem;
  color: var(--ff-ink-3);
  flex: 1;
}

.ff-consent-text a {
  color: var(--ff-ember);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s var(--ff-ease);
}

.ff-consent-text a:hover {
  color: var(--ff-ember-bright);
  border-bottom-color: var(--ff-ember-bright);
}

/* ==============================================================
   FOOTER — privacy link
   ============================================================== */

.ff-footer-privacy {
  display: inline-block;
  margin-top: 0.35rem;
  font-family: var(--ff-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ff-ink-4);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.25s var(--ff-ease);
}

.ff-footer-privacy:hover {
  color: var(--ff-ember);
  border-bottom-color: var(--ff-ember);
}

/* ==============================================================
   COMPLIANCE
   ============================================================== */

.ff-section--compliance {
  position: relative;
  background: var(--ff-bg);
  border-top: 1px solid var(--ff-line);
}

.ff-comp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.ff-comp-card {
  position: relative;
  padding: 2rem 1.8rem;
  background: linear-gradient(170deg, var(--ff-bg-3), var(--ff-bg-2));
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
  transition:
    transform 0.5s var(--ff-ease),
    border-color 0.5s var(--ff-ease),
    box-shadow 0.5s var(--ff-ease);
}

.ff-comp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.8rem;
  right: 1.8rem;
  height: 2px;
  background: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  opacity: 0;
  transition: opacity 0.5s var(--ff-ease);
}

.ff-comp-card:hover {
  transform: translateY(-4px);
  border-color: var(--ff-line-strong);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.ff-comp-card:hover::before {
  opacity: 1;
}

.ff-comp-card--destaque {
  border-color: rgba(245, 176, 66, 0.28);
  background: linear-gradient(170deg, var(--ff-amber-faint), var(--ff-bg-2));
}

.ff-comp-card--destaque::before {
  opacity: 1;
}

.ff-comp-cat {
  display: block;
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ff-amber);
  margin-bottom: 0.85rem;
}

.ff-comp-card h3 {
  font-family: var(--ff-font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: var(--ff-ink);
  letter-spacing: -0.01em;
}

.ff-comp-card p {
  font-size: 0.88rem;
  color: var(--ff-ink-2);
  margin: 0 0 1rem;
  line-height: 1.6;
}

.ff-comp-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ff-comp-card li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.84rem;
  color: var(--ff-ink-2);
  margin-bottom: 0.45rem;
  line-height: 1.55;
}

.ff-comp-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--ff-amber);
}

.ff-comp-card li strong {
  color: var(--ff-ink);
  font-weight: 600;
}

@media (max-width: 900px) {
  .ff-comp-grid {
    grid-template-columns: 1fr;
  }
}

/* ==============================================================
   PRICING — "Temperaturas da forja"
   ============================================================== */

.ff-section--pricing {
  position: relative;
  background: var(--ff-bg-2);
  border-top: 1px solid var(--ff-line);
  overflow: hidden;
}

.ff-pricing-embers {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ff-ember-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ff-ember-bright);
  box-shadow: 0 0 8px var(--ff-ember-glow);
  opacity: 0;
  animation: ff-ember-rise 9s linear infinite;
}

.ff-ember-particle:nth-child(1) { left: 12%; animation-delay: 0s; }
.ff-ember-particle:nth-child(2) { left: 28%; animation-delay: 2.2s; }
.ff-ember-particle:nth-child(3) { left: 47%; animation-delay: 4.4s; }
.ff-ember-particle:nth-child(4) { left: 63%; animation-delay: 1.1s; }
.ff-ember-particle:nth-child(5) { left: 79%; animation-delay: 5.8s; }
.ff-ember-particle:nth-child(6) { left: 91%; animation-delay: 3.3s; }

@keyframes ff-ember-rise {
  0% {
    bottom: -2%;
    opacity: 0;
    transform: translateX(0) scale(0.6);
  }
  8% {
    opacity: 0.55;
  }
  50% {
    transform: translateX(28px) scale(1);
  }
  92% {
    opacity: 0.3;
  }
  100% {
    bottom: 104%;
    opacity: 0;
    transform: translateX(-18px) scale(0.4);
  }
}

.ff-plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.ff-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem 1.6rem 1.6rem;
  background: linear-gradient(170deg, var(--ff-bg-3), var(--ff-bg-2));
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  transition:
    transform 0.5s var(--ff-ease),
    border-color 0.5s var(--ff-ease),
    box-shadow 0.5s var(--ff-ease);
}

.ff-plan::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.6rem;
  right: 1.6rem;
  height: 2px;
  background: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  opacity: 0;
  transition: opacity 0.5s var(--ff-ease);
}

.ff-plan:hover {
  transform: translateY(-6px);
  border-color: var(--ff-line-strong);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.ff-plan:hover::before {
  opacity: 1;
}

.ff-plan--featured {
  border-color: rgba(255, 90, 31, 0.4);
  background: linear-gradient(170deg, var(--ff-bg-warm), var(--ff-bg-3));
}

.ff-plan--featured::before {
  opacity: 1;
}

.ff-plan-badge {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ff-font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ff-bg);
  background-color: var(--ff-ember);
  background-image: linear-gradient(90deg, var(--ff-ember), var(--ff-amber));
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
}

.ff-plan-heat {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ff-ember-bright);
  margin-bottom: 1rem;
}

.ff-plan-heat svg {
  width: 15px;
  height: 15px;
}

.ff-plan-name {
  font-family: var(--ff-font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--ff-ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.ff-plan-for {
  font-size: 0.85rem;
  color: var(--ff-ink-2);
  line-height: 1.55;
  margin: 0;
  min-height: 3.2em;
}

.ff-plan-price {
  margin-top: auto;
  border-top: 1px solid var(--ff-line);
  padding-top: 1.2rem;
}

.ff-plan-value {
  display: block;
  font-family: var(--ff-font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ff-amber);
  letter-spacing: -0.02em;
}

.ff-plan-value small {
  font-size: 0.55em;
  font-weight: 500;
  color: var(--ff-ink-3);
  margin-right: 0.1em;
}

.ff-plan-value--consult {
  font-size: 1.4rem;
  line-height: 1.2;
}

.ff-plan-inst {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ff-ink-3);
}

.ff-plan-go {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ff-ink);
  border: 1px solid var(--ff-line-2);
  border-radius: 999px;
  transition:
    background 0.35s var(--ff-ease),
    border-color 0.35s var(--ff-ease),
    color 0.35s var(--ff-ease),
    gap 0.35s var(--ff-ease);
}

.ff-plan-go svg {
  transition: transform 0.35s var(--ff-ease);
}

.ff-plan-go:hover {
  background: var(--ff-ember);
  border-color: var(--ff-ember);
  color: var(--ff-bg);
  gap: 0.75rem;
}

.ff-plan-go:hover svg {
  transform: translateX(2px);
}

/* ---------- Extras: serviços, volume, pix ---------- */

.ff-pricing-extras {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.9fr;
  gap: 1.25rem;
}

.ff-extra {
  border: 1px solid var(--ff-line);
  border-radius: var(--ff-radius-lg);
  background: linear-gradient(170deg, var(--ff-bg-3), var(--ff-bg-2));
  padding: 1.75rem;
}

.ff-extra-title {
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ff-amber);
  margin: 0 0 1.25rem;
}

.ff-extra-list {
  display: flex;
  flex-direction: column;
}

.ff-extra-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ff-line);
  font-size: 0.88rem;
  color: var(--ff-ink-2);
}

.ff-extra-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.ff-extra-list li:first-child {
  padding-top: 0;
}

.ff-extra-val {
  font-family: var(--ff-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ff-amber);
  white-space: nowrap;
}

.ff-extra-val small {
  font-size: 0.7em;
  font-weight: 400;
  color: var(--ff-ink-3);
}

/* Volume bars */

.ff-volume-bars {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.ff-volume-bar {
  display: grid;
  grid-template-columns: 5.5rem 1fr 2.5rem;
  align-items: center;
  gap: 0.85rem;
}

.ff-volume-label {
  font-size: 0.8rem;
  color: var(--ff-ink-2);
}

.ff-volume-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.ff-volume-fill {
  display: block;
  height: 100%;
  width: var(--fill);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ff-ember-deep), var(--ff-ember), var(--ff-amber));
  box-shadow: 0 0 10px var(--ff-ember-glow);
  transform-origin: left;
  animation: ff-volume-grow 1.4s var(--ff-ease) both;
}

@keyframes ff-volume-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.ff-volume-pct {
  font-family: var(--ff-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ff-amber);
  text-align: right;
}

/* Pix highlight */

.ff-extra--pix {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: linear-gradient(150deg, var(--ff-ember-deep), var(--ff-ember) 65%, var(--ff-ember-bright));
  border-color: transparent;
}

.ff-pix-inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.ff-pix-label {
  font-family: var(--ff-font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.ff-pix-value {
  font-family: var(--ff-font-serif);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  letter-spacing: -0.02em;
}

.ff-pix-value small {
  font-size: 0.4em;
  font-weight: 500;
}

.ff-pix-off {
  color: #4ade80;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
}

.ff-pix-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

.ff-pay-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.ff-pay-chip {
  font-family: var(--ff-font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* Responsivo */

@media (max-width: 1100px) {
  .ff-plans {
    grid-template-columns: 1fr 1fr;
  }
  .ff-pricing-extras {
    grid-template-columns: 1fr 1fr;
  }
  .ff-extra--pix {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .ff-pay-methods {
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .ff-plans,
  .ff-pricing-extras {
    grid-template-columns: 1fr;
  }
  .ff-extra--pix {
    flex-direction: column;
    align-items: flex-start;
  }
  .ff-pay-methods {
    justify-content: flex-start;
  }
  .ff-plan-for {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ff-ember-particle {
    animation: none;
    opacity: 0;
  }
  .ff-volume-fill {
    animation: none;
  }
}

/* ==============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================== */

.ff-whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  bottom: calc(1.75rem + env(safe-area-inset-bottom));
  right: 1.75rem;
  right: calc(1.75rem + env(safe-area-inset-right));
  z-index: 9000;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #25d366, #1da851);
  border-radius: 50%;
  color: #fff;
  box-shadow:
    0 8px 24px rgba(37, 211, 102, 0.35),
    0 2px 8px rgba(0, 0, 0, 0.4);
  transition:
    transform 0.35s var(--ff-ease),
    box-shadow 0.35s var(--ff-ease);
}

.ff-whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.ff-whatsapp-float:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow:
    0 14px 32px rgba(37, 211, 102, 0.45),
    0 4px 12px rgba(0, 0, 0, 0.45);
}

.ff-whatsapp-float:active {
  transform: translateY(-1px) scale(1.02);
}

.ff-whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.6);
  animation: ff-whatsapp-ping 2.4s cubic-bezier(0, 0, 0.2, 1) infinite;
  pointer-events: none;
}

@keyframes ff-whatsapp-ping {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  75%,
  100% {
    transform: scale(1.55);
    opacity: 0;
  }
}

@media (max-width: 640px) {
  .ff-whatsapp-float {
    bottom: calc(1.25rem + env(safe-area-inset-bottom));
    right: calc(1.25rem + env(safe-area-inset-right));
    width: 52px;
    height: 52px;
  }
  .ff-whatsapp-float svg {
    width: 25px;
    height: 25px;
  }
}

/* ==============================================================
   COOKIE CONSENT BANNER
   ============================================================== */

.ff-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 0 var(--ff-gutter) 1.5rem;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  pointer-events: none;
  opacity: 0;
  transform: translateY(100%);
  transition:
    opacity 0.5s var(--ff-ease),
    transform 0.5s var(--ff-ease);
}

.ff-cookie-banner.is-visible {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.ff-cookie-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  background: rgba(22, 14, 11, 0.92);
  border: 1px solid var(--ff-line-strong);
  border-radius: var(--ff-radius-lg);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  box-shadow:
    0 -4px 40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 90, 31, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.ff-cookie-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ff-ember-soft);
  border-radius: 10px;
  color: var(--ff-ember);
}

.ff-cookie-content {
  flex: 1;
  min-width: 0;
}

.ff-cookie-title {
  font-family: var(--ff-font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ff-ink);
  margin: 0 0 0.35rem;
}

.ff-cookie-text {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ff-ink-3);
  margin: 0;
}

.ff-cookie-link {
  color: var(--ff-ember);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s var(--ff-ease);
}

.ff-cookie-link:hover {
  color: var(--ff-ember-bright);
  border-bottom-color: var(--ff-ember-bright);
}

.ff-cookie-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
  align-self: center;
}

.ff-cookie-btn {
  padding: 0.55rem 1.4rem;
  border-radius: 8px;
  font-family: var(--ff-font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s var(--ff-ease);
  white-space: nowrap;
}

.ff-cookie-btn--accept {
  background: var(--ff-ember);
  color: var(--ff-bg);
  box-shadow: 0 2px 12px rgba(255, 90, 31, 0.3);
}

.ff-cookie-btn--accept:hover {
  background: var(--ff-ember-bright);
  box-shadow: 0 4px 20px rgba(255, 90, 31, 0.45);
  transform: translateY(-1px);
}

.ff-cookie-btn--reject {
  background: transparent;
  color: var(--ff-ink-3);
  border: 1px solid var(--ff-line-strong);
}

.ff-cookie-btn--reject:hover {
  color: var(--ff-ink);
  border-color: var(--ff-ink-4);
  background: rgba(255, 255, 255, 0.04);
}

/* Cookie banner — mobile */
@media (max-width: 640px) {
  .ff-cookie-banner {
    padding: 0 0.75rem 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .ff-cookie-inner {
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem;
  }

  .ff-cookie-icon {
    display: none;
  }

  .ff-cookie-actions {
    flex-direction: row;
    width: 100%;
  }

  .ff-cookie-btn {
    flex: 1;
    text-align: center;
  }
}

/* ==============================================================
    REDUCED MOTION
    ============================================================== */

/* Performance mobile: reduz camadas de blur/grain compostas */
@media (max-width: 768px) {
  body.ff-body::before {
    content: none;
  }
  .ff-nav {
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
  }
  .ff-form {
    backdrop-filter: none;
  }
  .ff-cookie-inner {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ff-scene-frame {
    transform: none !important;
  }
  .ff-scene-content {
    opacity: 1 !important;
    transform: none !important;
  }
  .ff-eyebrow,
  .ff-headline-line,
  .ff-lead,
  .ff-hero-actions,
  .ff-hero-meta {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  .ff-eyebrow-dot,
  .ff-ember-dot,
  .ff-scroll-line,
  .ff-browser-pulse,
  .ff-connector-spark,
  .ff-connector-line::before,
  .ff-whatsapp-pulse {
    animation: none;
  }
  .ff-cookie-banner {
    transition: none !important;
  }
}