/* ==============================================================
   NOCTIS — CARDIOLOGIA AVANÇADA / TEMA ESCURO PREMIUM
   Direção visual: dark sofisticado, paleta deep navy + sage + ouro
   ============================================================== */

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

:root {
  /* Dark palette */
  --n-bg: #0a1721;
  --n-bg-2: #0d1f30;
  --n-bg-3: #11283b;
  --n-ink: #e8eef3;
  --n-ink-2: #b8c5d0;
  --n-ink-3: #7d8b96;
  --n-line: rgba(184, 197, 208, 0.12);
  --n-line-strong: rgba(184, 197, 208, 0.2);

  /* Sage green primária */
  --n-primary: #7fb069;
  --n-primary-bright: #a0d180;
  --n-primary-soft: rgba(127, 176, 105, 0.15);

  /* Dourado acento */
  --n-gold: #d4a857;
  --n-gold-soft: rgba(212, 168, 87, 0.18);

  /* Teal acento secundário */
  --n-teal: #5fb3a8;

  /* Tipografia */
  --n-font-serif: 'Cormorant Garamond', georgia, serif;
  --n-font-sans: 'Space Grotesk', -apple-system, blinkmacsystemfont, sans-serif;
  --n-font-mono: 'JetBrains Mono', monospace;

  /* Escala */
  --n-step--1: clamp(0.85rem, 0.83rem + 0.1vw, 0.9rem);
  --n-step-0: clamp(1rem, 0.95rem + 0.2vw, 1.075rem);
  --n-step-1: clamp(1.2rem, 1.1rem + 0.4vw, 1.4rem);
  --n-step-2: clamp(1.45rem, 1.3rem + 0.6vw, 1.75rem);
  --n-step-3: clamp(1.85rem, 1.55rem + 1.2vw, 2.4rem);
  --n-step-4: clamp(2.4rem, 1.9rem + 2vw, 3.4rem);
  --n-step-5: clamp(2.4rem, 2rem + 3vw, 4.6rem);
  --n-gutter: clamp(1.5rem, 8vw, 10vw);
  --n-section-y: clamp(4rem, 3rem + 4vw, 7rem);
  --n-radius: 14px;
  --n-radius-lg: 22px;
  --n-radius-xl: 32px;
  --n-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

body.n-body {
  margin: 0;
  font-family: var(--n-font-sans);
  font-size: var(--n-step-0);
  line-height: 1.65;
  color: var(--n-ink);
  background: var(--n-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-x: clip;
}

:focus-visible {
  outline: 2px solid var(--n-gold);
  outline-offset: 3px;
}

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

::selection {
  background: var(--n-primary);
  color: var(--n-bg);
}

.n-skip-link {
  position: absolute;
  left: -9999px;
  background: var(--n-gold);
  color: var(--n-bg);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  z-index: 999;
  font-weight: 600;
}
.n-skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.n-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--n-primary), var(--n-gold));
  width: 0;
  z-index: 100;
  transition: width 0.15s var(--n-ease);
}

.n-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 1rem + 2vw, 2.5rem);
}
.n-container--narrow {
  max-width: 920px;
}

/* ---------- Navigation ---------- */
.n-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.25rem, 1rem + 2vw, 2.5rem);
  background: rgba(10, 23, 33, 0.6);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: all 0.35s var(--n-ease);
}
.n-nav--scrolled {
  background: rgba(10, 23, 33, 0.92);
  border-bottom-color: var(--n-line);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.n-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--n-font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: white;
}
.n-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--n-primary);
  color: var(--n-bg);
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(127, 176, 105, 0.3);
}
.n-logo-tag {
  font-family: var(--n-font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--n-gold);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--n-gold-soft);
  border-radius: 999px;
  margin-left: 0.4rem;
}

.n-nav-links {
  display: flex;
  gap: 0.3rem;
}
.n-nav-links a {
  position: relative;
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--n-ink-2);
  border-radius: 8px;
  transition: all 0.25s var(--n-ease);
}
.n-nav-links a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}
.n-nav-links a.active {
  color: var(--n-primary-bright);
}
.n-nav-links a.active::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -3px;
  transform: translateX(-50%);
  width: 16px;
  height: 1px;
  background: var(--n-primary);
}

.n-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.n-nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--n-ink-2);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--n-line);
  border-radius: 999px;
  transition: all 0.25s var(--n-ease);
}
.n-nav-phone:hover {
  border-color: var(--n-primary);
  color: white;
}
.n-nav-phone-dot {
  width: 7px;
  height: 7px;
  background: var(--n-primary);
  border-radius: 50%;
  animation: n-blink 1.6s ease-in-out infinite;
  box-shadow: 0 0 8px var(--n-primary);
}

@keyframes n-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.n-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
}
.n-nav-toggle span {
  height: 2px;
  background: var(--n-ink);
  border-radius: 2px;
  transition: all 0.3s var(--n-ease);
}
.n-nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.n-nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.n-nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.n-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: all 0.3s var(--n-ease);
  white-space: nowrap;
}
.n-btn--primary {
  background: var(--n-primary);
  color: var(--n-bg);
  box-shadow: 0 12px 32px -10px rgba(127, 176, 105, 0.45);
}
.n-btn--primary:hover {
  background: var(--n-primary-bright);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px rgba(127, 176, 105, 0.6);
}
.n-btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--n-ink);
  border: 1px solid var(--n-line-strong);
}
.n-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--n-primary);
  color: white;
}
.n-btn--block {
  width: 100%;
  justify-content: center;
  position: relative;
}
.n-btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10, 23, 33, 0.3);
  border-top-color: var(--n-bg);
  border-radius: 50%;
  animation: n-spin 0.8s linear infinite;
}
.n-btn.loading .v-btn-text,
.n-btn.loading .n-btn-text {
  opacity: 0;
}
.n-btn.loading .n-btn-spinner {
  display: inline-block;
  position: absolute;
}

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

/* ---------- Sections ---------- */
.n-section {
  position: relative;
  padding: var(--n-section-y) 0;
}
.n-section--alt {
  background: var(--n-bg-2);
}
.n-section--accent {
  background: linear-gradient(180deg, #0a1721 0%, #0d2438 50%, #0a1721 100%);
  position: relative;
  overflow: hidden;
}
.n-root {
  outline: none;
}

/* ---------- Hero ---------- */
.n-hero {
  padding-top: clamp(7rem, 6rem + 4vw, 9rem);
  padding-bottom: clamp(4rem, 3rem + 3vw, 6rem);
  position: relative;
  overflow: hidden;
}
.n-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.n-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(127, 176, 105, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 176, 105, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
}
.n-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: n-glow 14s ease-in-out infinite;
}
.n-hero-glow--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--n-primary), transparent 70%);
  top: -15%;
  left: -10%;
}
.n-hero-glow--2 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, var(--n-gold), transparent 70%);
  bottom: -20%;
  right: 5%;
  opacity: 0.25;
  animation-delay: -5s;
}
.n-hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
}

@keyframes n-glow {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.08);
  }
}

.n-hero-grid-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
}

.n-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--n-primary-bright);
}
.n-badge-line {
  display: inline-block;
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, var(--n-primary), transparent);
}

.n-title {
  font-family: var(--n-font-serif);
  font-size: var(--n-step-5);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 1.4rem 0 1.5rem;
  color: white;
}
.n-title-line {
  display: block;
}
.n-title-italic {
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(120deg, var(--n-primary-bright), var(--n-gold) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.n-subtitle {
  font-size: var(--n-step-1);
  color: var(--n-ink-2);
  max-width: 56ch;
  margin: 0 0 2rem;
  line-height: 1.7;
}

.n-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.n-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--n-line);
}
.n-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.n-meta-num {
  font-family: var(--n-font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: white;
  letter-spacing: -0.01em;
}
.n-meta-label {
  font-size: 0.78rem;
  color: var(--n-ink-3);
}
.n-meta-sep {
  width: 1px;
  height: 32px;
  background: var(--n-line);
}

/* Hero diagnostic card */
.n-hero-card {
  background: linear-gradient(180deg, var(--n-bg-3), var(--n-bg-2));
  border: 1px solid var(--n-line-strong);
  border-radius: var(--n-radius-xl);
  padding: 1.8rem;
  box-shadow:
    0 40px 80px -32px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(127, 176, 105, 0.1);
  position: relative;
  overflow: hidden;
}
.n-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--n-primary), var(--n-gold), transparent);
}
.n-hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--n-line);
}
.n-hero-card-title {
  display: flex;
  flex-direction: column;
}
.n-hero-card-title span:first-child {
  font-family: var(--n-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--n-primary-bright);
  letter-spacing: 0.1em;
}
.n-hero-card-time {
  font-family: var(--n-font-mono);
  font-size: 0.92rem;
  color: var(--n-ink-2);
  margin-top: 0.3rem;
}
.n-hero-card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--n-primary-bright);
  padding: 0.3rem 0.7rem;
  background: var(--n-primary-soft);
  border-radius: 999px;
}
.n-hero-card-pulse {
  width: 6px;
  height: 6px;
  background: var(--n-primary);
  border-radius: 50%;
  animation: n-blink 1.4s ease-in-out infinite;
  box-shadow: 0 0 8px var(--n-primary);
}

.n-hero-card-monitor {
  position: relative;
  height: 100px;
  background: linear-gradient(180deg, rgba(127, 176, 105, 0.05), rgba(127, 176, 105, 0.02));
  border-radius: var(--n-radius);
  margin: 1rem 0;
  overflow: hidden;
}
.n-ecg-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.n-hero-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(13, 31, 48, 0.6) 60%, transparent 100%);
  animation: n-scan 3s linear infinite;
  pointer-events: none;
}

@keyframes n-scan {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.n-hero-card-data {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--n-line);
}
.n-data-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.6rem 0.5rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  text-align: center;
}
.n-data-label {
  font-family: var(--n-font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--n-ink-3);
  letter-spacing: 0.1em;
}
.n-data-value {
  font-family: var(--n-font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
}
.n-data-value small {
  font-size: 0.7rem;
  font-family: var(--n-font-sans);
  color: var(--n-ink-3);
  font-weight: 400;
  margin-left: 2px;
}
.n-data-item--accent {
  background: var(--n-gold-soft);
  border: 1px solid rgba(212, 168, 87, 0.3);
}
.n-data-item--accent .n-data-value {
  color: var(--n-gold);
}

.n-scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--n-ink-3);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 3;
}
.n-scroll-line {
  width: 1px;
  height: 32px;
  background: var(--n-ink-3);
  animation: n-scroll-pulse 2s ease-in-out infinite;
}

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

/* ---------- Eyebrow ---------- */
.n-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--n-primary-bright);
  margin-bottom: 1rem;
}
.n-eyebrow-mark {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--n-primary);
}
.n-eyebrow--center {
  justify-content: center;
}
.n-eyebrow--light {
  color: var(--n-gold);
}
.n-eyebrow--light .n-eyebrow-mark {
  background: var(--n-gold);
}

.n-section-header {
  max-width: 760px;
  margin: 0 auto 4.5rem;
  text-align: center;
}
.n-section-header .n-eyebrow--center {
  justify-content: center;
}
.n-heading {
  font-family: var(--n-font-serif);
  font-size: var(--n-step-4);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: white;
  margin: 0 0 1.4rem;
}
.n-heading--light {
  color: white;
}
.n-heading-accent {
  font-style: italic;
  background: linear-gradient(120deg, var(--n-primary-bright), var(--n-teal));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
}
.n-heading-accent--light {
  background: linear-gradient(120deg, var(--n-gold), var(--n-primary-bright));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.n-section-desc {
  font-size: var(--n-step-1);
  color: var(--n-ink-2);
  margin: 0;
  line-height: 1.7;
}
.n-section-desc--light {
  color: var(--n-ink-2);
}

.n-prose {
  font-size: var(--n-step-1);
  color: var(--n-ink-2);
  max-width: 60ch;
  margin: 0 0 1.2rem;
  line-height: 1.75;
}
.n-prose strong {
  color: white;
  font-weight: 600;
}

/* ---------- Grid ---------- */
.n-grid {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
}
.n-grid--about {
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
}

.n-about-frame {
  position: relative;
}
.n-about-img-wrap {
  border-radius: var(--n-radius-xl);
  overflow: hidden;
  border: 1px solid var(--n-line-strong);
  box-shadow: 0 40px 80px -32px rgba(0, 0, 0, 0.5);
}
.n-about-illustration {
  width: 100%;
  height: auto;
}

.n-about-card-floating {
  position: absolute;
  left: -1.5rem;
  bottom: 2rem;
  display: flex;
  gap: 0.85rem;
  align-items: center;
  background: var(--n-bg-3);
  border: 1px solid var(--n-line-strong);
  border-radius: var(--n-radius-lg);
  padding: 1rem 1.2rem;
  box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.6);
  max-width: 300px;
  animation: n-float-soft 7s ease-in-out infinite;
}
.n-about-card-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--n-gold-soft);
  color: var(--n-gold);
  border-radius: 10px;
  flex-shrink: 0;
}
.n-about-card-floating strong {
  display: block;
  font-size: 0.92rem;
  color: white;
  margin-bottom: 0.15rem;
}
.n-about-card-floating span {
  display: block;
  font-size: 0.78rem;
  color: var(--n-ink-3);
  line-height: 1.4;
}

@keyframes n-float-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.n-about-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.n-about-list li {
  display: flex;
  gap: 1rem;
  padding-left: 1rem;
  border-left: 1.5px solid var(--n-primary);
}
.n-list-num {
  font-family: var(--n-font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--n-gold);
  letter-spacing: 0.15em;
  flex-shrink: 0;
  width: 24px;
  margin-left: -12px;
  margin-top: 2px;
  background: var(--n-bg);
}
.n-about-list strong {
  display: block;
  font-family: var(--n-font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: white;
  margin-bottom: 0.3rem;
}
.n-about-list span {
  display: block;
  font-size: 0.9rem;
  color: var(--n-ink-3);
  line-height: 1.6;
}

/* ---------- Services ---------- */
.n-svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}
.n-svc-card {
  position: relative;
  background: linear-gradient(180deg, var(--n-bg-3), var(--n-bg-2));
  border: 1px solid var(--n-line);
  border-radius: var(--n-radius-lg);
  padding: 2rem;
  transition: all 0.4s var(--n-ease);
  overflow: hidden;
}
.n-svc-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--n-primary), var(--n-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--n-ease);
}
.n-svc-card:hover {
  border-color: var(--n-primary);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -20px rgba(127, 176, 105, 0.25);
}
.n-svc-card:hover::after {
  transform: scaleX(1);
}

.n-svc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.n-svc-num {
  font-family: var(--n-font-mono);
  font-size: 0.78rem;
  color: var(--n-gold);
  letter-spacing: 0.12em;
}
.n-svc-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  background: var(--n-primary-soft);
  color: var(--n-primary-bright);
  border-radius: 999px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.n-svc-card h3 {
  font-family: var(--n-font-serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: white;
  margin: 0 0 0.8rem;
  letter-spacing: -0.01em;
}
.n-svc-card p {
  font-size: 0.92rem;
  color: var(--n-ink-3);
  margin: 0 0 1.2rem;
  line-height: 1.65;
}
.n-svc-meta {
  display: flex;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--n-line);
  font-family: var(--n-font-mono);
  font-size: 0.75rem;
  color: var(--n-ink-3);
  letter-spacing: 0.05em;
}
.n-svc-meta span + span::before {
  content: '· ';
  color: var(--n-primary);
  margin: 0 0.4rem;
}

/* ---------- Team ---------- */
.n-team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.n-team-card {
  background: linear-gradient(180deg, var(--n-bg-3), var(--n-bg-2));
  border: 1px solid var(--n-line);
  border-radius: var(--n-radius-lg);
  overflow: hidden;
  transition: all 0.4s var(--n-ease);
}
.n-team-card:hover {
  border-color: var(--n-primary);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -20px rgba(127, 176, 105, 0.2);
}

.n-team-portrait {
  aspect-ratio: 4/5;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.n-team-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--n-bg-2));
}
.n-team-portrait--1 {
  background: radial-gradient(circle at top, rgba(127, 176, 105, 0.3), var(--n-bg-2));
}
.n-team-portrait--2 {
  background: radial-gradient(circle at top, rgba(212, 168, 87, 0.25), var(--n-bg-2));
}
.n-team-portrait--3 {
  background: radial-gradient(circle at top, rgba(95, 179, 168, 0.3), var(--n-bg-2));
}
.n-team-portrait--4 {
  background: radial-gradient(circle at top, rgba(127, 176, 105, 0.2), var(--n-bg-2));
}

.n-team-initials {
  font-family: var(--n-font-serif);
  font-size: 5rem;
  font-weight: 500;
  font-style: italic;
  color: white;
  z-index: 1;
  letter-spacing: -0.04em;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.n-team-info {
  padding: 1.5rem;
}
.n-team-role {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--n-primary-bright);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.n-team-info h3 {
  font-family: var(--n-font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: white;
  margin: 0 0 0.6rem;
}
.n-team-info p {
  font-size: 0.85rem;
  color: var(--n-ink-3);
  margin: 0 0 1rem;
  line-height: 1.6;
}
.n-team-creds {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  font-family: var(--n-font-mono);
  font-size: 0.75rem;
  color: var(--n-ink-3);
  padding-top: 1rem;
  border-top: 1px solid var(--n-line);
}
.n-team-creds span:nth-child(odd) {
  color: var(--n-gold);
}

/* ---------- Research ---------- */
.n-research-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(127, 176, 105, 0.12), transparent 70%);
  filter: blur(60px);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.n-research-header {
  max-width: 760px;
  margin: 0 auto 4rem;
  text-align: center;
  position: relative;
  z-index: 2;
}
.n-research-header .n-eyebrow {
  justify-content: center;
}

.n-research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  position: relative;
  z-index: 2;
  margin-bottom: 4rem;
}
.n-research-card {
  background: linear-gradient(180deg, rgba(127, 176, 105, 0.06), transparent);
  border: 1px solid var(--n-line-strong);
  border-radius: var(--n-radius-lg);
  padding: 2rem;
  transition: all 0.3s var(--n-ease);
}
.n-research-card:hover {
  border-color: var(--n-primary);
  transform: translateY(-4px);
}
.n-research-num {
  display: block;
  font-family: var(--n-font-serif);
  font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  font-weight: 500;
  font-style: italic;
  background: linear-gradient(120deg, var(--n-primary-bright), var(--n-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1rem;
}
.n-research-card h3 {
  font-family: var(--n-font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: white;
  margin: 0 0 0.6rem;
}
.n-research-card p {
  font-size: 0.88rem;
  color: var(--n-ink-3);
  margin: 0;
  line-height: 1.6;
}

.n-quote-block {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 2rem;
  text-align: center;
}
.n-quote-mark {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--n-font-serif);
  font-size: 8rem;
  line-height: 1;
  color: var(--n-primary);
  opacity: 0.3;
}
.n-quote-block blockquote {
  font-family: var(--n-font-serif);
  font-size: 1.65rem;
  font-style: italic;
  font-weight: 400;
  color: white;
  line-height: 1.45;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}
.n-quote-block cite {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-style: normal;
}
.n-quote-block cite strong {
  font-family: var(--n-font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--n-primary-bright);
}
.n-quote-block cite span {
  font-size: 0.82rem;
  color: var(--n-ink-3);
}

/* ---------- FAQ ---------- */
.n-faq-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.n-faq-item {
  background: var(--n-bg-3);
  border: 1px solid var(--n-line);
  border-radius: var(--n-radius);
  transition: all 0.3s var(--n-ease);
}
.n-faq-item[open] {
  border-color: var(--n-primary);
  box-shadow: 0 12px 32px -16px rgba(127, 176, 105, 0.2);
}
.n-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 1rem;
  color: white;
  list-style: none;
}
.n-faq-item summary::-webkit-details-marker {
  display: none;
}
.n-faq-item summary svg {
  transition: transform 0.3s var(--n-ease);
  color: var(--n-primary);
}
.n-faq-item[open] summary svg {
  transform: rotate(180deg);
}
.n-faq-answer {
  padding: 0 1.5rem 1.4rem;
  color: var(--n-ink-2);
  font-size: 0.95rem;
  line-height: 1.7;
}
.n-faq-answer p {
  margin: 0;
}

/* ---------- Contact ---------- */
.n-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  align-items: start;
}

.n-contact-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}
.n-contact-item {
  display: flex;
  gap: 1rem;
  padding: 1.3rem;
  background: var(--n-bg-3);
  border: 1px solid var(--n-line);
  border-radius: var(--n-radius);
  transition: all 0.3s var(--n-ease);
}
.n-contact-item:hover {
  border-color: var(--n-primary);
  transform: translateX(4px);
}
.n-contact-item--cta {
  background: linear-gradient(135deg, rgba(127, 176, 105, 0.12), rgba(212, 168, 87, 0.06));
  border-color: var(--n-primary);
}
.n-contact-item--cta strong {
  color: var(--n-primary-bright);
}

.n-contact-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--n-primary-soft);
  color: var(--n-primary-bright);
  border-radius: 12px;
  flex-shrink: 0;
}
.n-contact-item strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
  color: white;
}
.n-contact-item span {
  display: block;
  font-size: 0.85rem;
  color: var(--n-ink-3);
  line-height: 1.5;
}

.n-form-card {
  background: var(--n-bg-3);
  border: 1px solid var(--n-line-strong);
  border-radius: var(--n-radius-xl);
  padding: 2.4rem;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.4);
}
.n-form-title {
  font-family: var(--n-font-serif);
  font-size: 1.7rem;
  font-weight: 500;
  margin: 0 0 0.5rem;
  color: white;
}
.n-form-subtitle {
  font-size: 0.9rem;
  color: var(--n-ink-3);
  margin: 0 0 1.8rem;
}

.n-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.n-form-group {
  margin-bottom: 1rem;
}
.n-form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--n-ink-2);
  margin-bottom: 0.5rem;
}
.n-form-group input,
.n-form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--n-line);
  border-radius: 10px;
  background: var(--n-bg);
  font-family: inherit;
  font-size: 0.95rem;
  color: white;
  transition: all 0.25s var(--n-ease);
}
.n-form-group input:focus,
.n-form-group textarea:focus {
  outline: none;
  border-color: var(--n-primary);
  background: var(--n-bg-2);
  box-shadow: 0 0 0 4px var(--n-primary-soft);
}
.n-form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.n-select-wrapper {
  position: relative;
}
.n-select-wrapper select {
  width: 100%;
  padding: 0.85rem 2.5rem 0.85rem 1rem;
  border: 1.5px solid var(--n-line);
  border-radius: 10px;
  background: var(--n-bg);
  font-family: inherit;
  font-size: 0.95rem;
  color: white;
  appearance: none;
  cursor: pointer;
}
.n-select-wrapper select:focus {
  outline: none;
  border-color: var(--n-primary);
  box-shadow: 0 0 0 4px var(--n-primary-soft);
}
.n-select-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--n-ink-3);
}

/* ---------- Footer ---------- */
.n-footer {
  background: #050d14;
  border-top: 1px solid var(--n-line);
  padding: 4rem 0 1.5rem;
  margin-top: 2rem;
  color: var(--n-ink-3);
}
.n-footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--n-line);
}
.n-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--n-font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1rem;
}
.n-footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0 0 1.2rem;
  max-width: 38ch;
}
.n-footer-oab {
  font-family: var(--n-font-mono);
  font-size: 0.75rem;
  color: var(--n-ink-3);
  letter-spacing: 0.05em;
}
.n-footer-col h4 {
  font-family: var(--n-font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: white;
  margin: 0 0 1.2rem;
}
.n-footer-col ul li {
  margin-bottom: 0.65rem;
}
.n-footer-col a {
  font-size: 0.88rem;
  transition: color 0.25s;
}
.n-footer-col a:hover {
  color: var(--n-primary-bright);
}

.n-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  font-size: 0.82rem;
}
.n-footer-bottom-links {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.n-footer-bottom-links span {
  color: rgba(184, 197, 208, 0.3);
}

/* ---------- Back to top ---------- */
.n-back-to-top {
  position: fixed;
  bottom: 2rem;
  bottom: calc(2rem + env(safe-area-inset-bottom));
  right: 2rem;
  right: calc(2rem + env(safe-area-inset-right));
  width: 48px;
  height: 48px;
  background: var(--n-primary);
  color: var(--n-bg);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 24px -8px rgba(127, 176, 105, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s var(--n-ease);
  z-index: 40;
}
.n-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.n-back-to-top:hover {
  background: var(--n-primary-bright);
  transform: translateY(-4px);
}

/* ---------- Toast ---------- */
.n-toast {
  position: fixed;
  bottom: 2rem;
  bottom: calc(2rem + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--n-primary);
  color: var(--n-bg);
  padding: 1rem 1.6rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 16px 32px -12px rgba(0, 0, 0, 0.4);
  opacity: 0;
  z-index: 60;
  transition: all 0.4s var(--n-ease);
  max-width: calc(100vw - 2rem);
  text-align: center;
}

@media (max-width: 640px) {
  .n-toast {
    border-radius: 14px;
  }
}
.n-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Reveal ---------- */
.n-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s var(--n-ease),
    transform 0.8s var(--n-ease);
}
.n-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* No-JS fallback: reveal content when JavaScript is unavailable. */
.no-js .n-reveal {
  opacity: 1;
  transform: none;
}
.n-reveal-delay-1 {
  transition-delay: 0.12s;
}
.n-reveal-delay-2 {
  transition-delay: 0.24s;
}
.n-reveal-delay-3 {
  transition-delay: 0.36s;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .n-nav-links {
    display: none;
  }
  .n-nav-toggle {
    display: flex;
  }
  .n-nav-phone span:last-child {
    display: none;
  }
  .n-nav-phone {
    /* Ícone de emergência com área de toque adequada no mobile */
    padding: 0.7rem;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
  }

  .n-nav-links.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100dvh - 60px);
    overflow-y: auto;
    background: var(--n-bg);
    flex-direction: column;
    padding: 1.5rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
    border-bottom: 1px solid var(--n-line);
  }
  .n-nav-links.active a {
    padding: 0.75rem 1rem;
  }

  .n-hero-grid-content {
    grid-template-columns: 1fr;
  }
  .n-hero-card {
    max-width: 480px;
    margin: 0 auto;
  }
  .n-grid--about {
    grid-template-columns: 1fr;
  }
  .n-contact-grid {
    grid-template-columns: 1fr;
  }
  .n-footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .n-section {
    padding: 4rem 0;
  }
  .n-hero {
    padding-top: 7rem;
  }
  .n-meta-sep {
    display: none;
  }
  .n-hero-meta {
    gap: 1rem;
  }
  .n-form-row {
    grid-template-columns: 1fr;
  }
  .n-form-card {
    padding: 1.6rem;
  }
  .n-footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .n-footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
  .n-research-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .n-research-card {
    min-width: 0;
    padding: 1.25rem;
    overflow-wrap: break-word;
  }
  .n-hero-card {
    max-width: 100%;
    padding: 1.25rem;
    min-width: 0;
  }
  .n-hero-card-monitor {
    max-width: 100%;
  }
  .n-hero-card-data {
    grid-template-columns: repeat(2, 1fr);
  }
  .n-scroll-hint {
    display: none;
  }
  .n-about-card-floating {
    left: 0.5rem;
    bottom: 1rem;
  }
  .n-logo-tag {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .n-hero-glow,
  .n-about-card-floating,
  .n-hero-card-overlay,
  .n-hero-card-pulse,
  .n-nav-phone-dot {
    animation: none;
  }
  .n-reveal {
    opacity: 1;
    transform: none;
  }
}

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

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

.ff-lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: 0.45;
  transition: all 0.25s var(--n-ease);
}

.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(--n-gold);
  outline-offset: 2px;
}

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

@media (max-width: 640px) {
  .ff-lang-btn {
    width: 40px;
    height: 40px;
  }
}