/* ═══════════════════════════════════════════════════════════════
   SnAID Fly — Enterprise Stylesheet
   Organized: Reset → Variables → Base → Layout → Components →
              Sections → Animations → Media Queries
═══════════════════════════════════════════════════════════════ */


/* ─────────────────────────────────────────────
   1. RESET & NORMALIZE
───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

a,
button {
  touch-action: manipulation;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}


/* ─────────────────────────────────────────────
   2. DESIGN TOKENS / CSS VARIABLES
───────────────────────────────────────────── */
:root {

  /* Color Palette — Brand */
  --color-brand-navy:       #0a0e1a;
  --color-brand-deep:       #0d1128;
  --color-brand-surface:    #111827;
  --color-brand-card:       #141b2d;
  --color-brand-border:     rgba(255, 255, 255, 0.07);
  --color-brand-border-vis: rgba(255, 255, 255, 0.12);

  --color-accent-primary:   #7b6cf6;
  --color-accent-secondary: #00c8ff;
  --color-accent-muted:     rgba(123, 108, 246, 0.15);
  --color-accent-glow:      rgba(123, 108, 246, 0.3);

  /* Light section palette */
  --color-light-bg:         #f4f6fa;
  --color-light-surface:    #ffffff;
  --color-light-border:     #e5e9f2;
  --color-light-text:       #1a1f36;
  --color-light-muted:      #5a6480;
  --color-light-eyebrow:    #7b6cf6;

  /* Semantic tokens */
  --color-bg:               var(--color-brand-navy);
  --color-text-primary:     #e8ecf4;
  --color-text-secondary:   #8892aa;
  --color-text-muted:       #5a6480;

  /* Typography */
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Type scale (8px grid) */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-lg:    1.125rem;   /* 18px */
  --text-xl:    1.25rem;    /* 20px */
  --text-2xl:   1.5rem;     /* 24px */
  --text-3xl:   1.875rem;   /* 30px */
  --text-4xl:   2.25rem;    /* 36px */
  --text-5xl:   3rem;       /* 48px */
  --text-6xl:   3.75rem;    /* 60px */
  --text-7xl:   4.5rem;     /* 72px */

  --leading-tight:   1.2;
  --leading-snug:    1.35;
  --leading-normal:  1.6;
  --leading-relaxed: 1.75;

  --tracking-tight:  -0.03em;
  --tracking-normal: -0.01em;
  --tracking-wide:   0.08em;
  --tracking-wider:  0.12em;

  /* Spacing */
  --space-1:    0.25rem;   /* 4px  */
  --space-2:    0.5rem;    /* 8px  */
  --space-3:    0.75rem;   /* 12px */
  --space-4:    1rem;      /* 16px */
  --space-5:    1.25rem;   /* 20px */
  --space-6:    1.5rem;    /* 24px */
  --space-8:    2rem;      /* 32px */
  --space-10:   2.5rem;    /* 40px */
  --space-12:   3rem;      /* 48px */
  --space-16:   4rem;      /* 64px */
  --space-20:   5rem;      /* 80px */
  --space-24:   6rem;      /* 96px */
  --space-32:   8rem;      /* 128px */

  /* Layout */
  --container-max:   1200px;
  --container-pad:   var(--space-8);

  /* Borders */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-xl:   0 16px 64px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 40px rgba(123, 108, 246, 0.25);

  /* Transitions */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* Z-index scale */
  --z-below:   -1;
  --z-base:     0;
  --z-above:    10;
  --z-nav:      100;
  --z-overlay:  200;
  --z-modal:    300;
}


/* ─────────────────────────────────────────────
   3. BASE ELEMENTS
───────────────────────────────────────────── */
.mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
  letter-spacing: 0.02em;
}

:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}


/* ─────────────────────────────────────────────
   4. LAYOUT UTILITIES
───────────────────────────────────────────── */
.section-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-24);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-primary);
  background: var(--color-accent-muted);
  border: 1px solid rgba(123, 108, 246, 0.3);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.section-eyebrow--light {
  color: var(--color-accent-primary);
  background: rgba(123, 108, 246, 0.1);
  border-color: rgba(123, 108, 246, 0.25);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

.section-title--light {
  color: #b8c2d8;
}

.section-subtitle {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-inline: auto;
  line-height: var(--leading-relaxed);
}

.section-subtitle--light {
  color: #a8b3cf;
}


/* ─────────────────────────────────────────────
   5. BUTTONS
───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-base) var(--ease-in-out),
    color var(--duration-base) var(--ease-in-out),
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-in-out),
    border-color var(--duration-base) var(--ease-in-out);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background-color: var(--color-accent-primary);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 0 0 0 var(--color-accent-glow);
}

.btn--primary:hover {
  background-color: #9080f8;
  box-shadow: 0 4px 20px var(--color-accent-glow), 0 0 0 0 transparent;
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-brand-border-vis);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn--large {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}


/* ─────────────────────────────────────────────
   6. NAVIGATION
───────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition:
    background-color var(--duration-slow) var(--ease-in-out),
    border-color var(--duration-slow) var(--ease-in-out),
    box-shadow var(--duration-slow) var(--ease-in-out),
    backdrop-filter var(--duration-slow) var(--ease-in-out);
  border-bottom: 1px solid transparent;
}

.site-header--scrolled {
  background-color: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--color-brand-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.nav {
  width: 100%;
}

.nav__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.nav__brand-name {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.nav__brand-snaid {
  color: #e8ecf4;
}

.nav__brand-fly {
  color: var(--color-accent-primary);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  letter-spacing: 0.01em;
  transition:
    color var(--duration-base) var(--ease-in-out),
    background-color var(--duration-base) var(--ease-in-out);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav__link--cta {
  background-color: var(--color-accent-muted);
  border: 1px solid rgba(123, 108, 246, 0.35);
  color: var(--color-accent-primary);
  font-weight: 600;
}

.nav__link--cta:hover {
  background-color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: #ffffff;
}

/* Mobile hamburger — hidden on desktop */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--color-brand-border-vis);
  cursor: pointer;
  flex-shrink: 0;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition:
    transform var(--duration-base) var(--ease-in-out),
    opacity var(--duration-base) var(--ease-in-out);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ─────────────────────────────────────────────
   7. HERO SECTION
───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--color-brand-navy) 0%,
    #0d1035 45%,
    #10072a 100%
  );
}

/* Decorative grid background */
.hero__background {
  position: absolute;
  inset: 0;
  z-index: var(--z-below);
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(123, 108, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 108, 246, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
  pointer-events: none;
}

.hero__glow--left {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7b6cf6 0%, transparent 70%);
  top: -100px;
  left: -150px;
}

.hero__glow--right {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #00c8ff 0%, transparent 70%);
  bottom: -50px;
  right: -100px;
  opacity: 0.12;
}

.hero__container {
  flex: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-32) var(--space-20);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
  padding-top: calc(72px + var(--space-16));
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero__eyebrow {
  display: flex;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid rgba(0, 200, 255, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-accent-secondary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent-secondary);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

.hero__title {
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-7xl));
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  line-height: 1.08;
  color: #f0f2f8;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
}

.hero__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__certifications {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-brand-border);
}

.hero__cert-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__cert-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-primary);
}

.hero__cert-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.hero__cert-divider {
  width: 1px;
  height: 36px;
  background-color: var(--color-brand-border-vis);
  flex-shrink: 0;
}

/* Hero visual / image */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__image-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image {
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 40px rgba(123, 108, 246, 0.2));
  animation: float 6s ease-in-out infinite;
}

.hero__image-glow {
  position: absolute;
  inset: 10%;
  background: radial-gradient(ellipse, rgba(123, 108, 246, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(30px);
  z-index: 0;
  animation: glow-pulse 6s ease-in-out infinite;
}

/* Scroll indicator */
.hero__scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-8);
  animation: fade-in-scroll 1s 1.5s both;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-text-muted));
}

.hero__scroll-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}


/* ─────────────────────────────────────────────
   8. ABOUT SECTION
───────────────────────────────────────────── */
.about {
  background-color: var(--color-light-bg);
  color: var(--color-light-text);
}

.about .section-eyebrow {
  color: var(--color-light-eyebrow);
  background: rgba(123, 108, 246, 0.08);
  border-color: rgba(123, 108, 246, 0.2);
}

.about .section-title {
  color: var(--color-light-text);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: start;
}

.about__lead {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-light-text);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-6);
}

.about__body {
  font-size: var(--text-base);
  color: var(--color-light-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.about__body:last-child {
  margin-bottom: 0;
}

.about__founding {
  border-left: 3px solid var(--color-accent-primary);
  padding-left: var(--space-5);
  font-style: italic;
  color: var(--color-light-text);
  font-weight: 500;
  margin-top: var(--space-3);
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.stat-card {
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition:
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-in-out);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stat-card__value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent-primary);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-light-muted);
  line-height: 1.4;
  letter-spacing: 0.01em;
}


/* ─────────────────────────────────────────────
   9. FEATURES SECTION
───────────────────────────────────────────── */
.features {
  background: linear-gradient(180deg, var(--color-brand-surface) 0%, var(--color-brand-deep) 100%);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-brand-card);
  border: 1px solid var(--color-brand-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition:
    border-color var(--duration-base) var(--ease-in-out),
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(123, 108, 246, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-in-out);
}

.feature-card:hover {
  border-color: rgba(123, 108, 246, 0.3);
  box-shadow:
    0 0 0 1px rgba(123, 108, 246, 0.1),
    var(--shadow-glow),
    var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--color-accent-muted);
  border: 1px solid rgba(123, 108, 246, 0.25);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-card__icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent-primary);
}

.feature-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}

.feature-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.feature-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  color: var(--color-accent-secondary);
  background: rgba(0, 200, 255, 0.07);
  border: 1px solid rgba(0, 200, 255, 0.18);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}


/* ─────────────────────────────────────────────
   10. SPECS SECTION
───────────────────────────────────────────── */
.specs {
  background-color: var(--color-light-bg);
  color: var(--color-light-text);
}

.specs .section-eyebrow {
  color: var(--color-light-eyebrow);
  background: rgba(123, 108, 246, 0.08);
  border-color: rgba(123, 108, 246, 0.2);
}

.specs .section-title {
  color: var(--color-light-text);
}

.specs .section-subtitle {
  color: var(--color-light-muted);
}

.specs__layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: start;
}

/* Specifications Table */
.specs__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-light-border);
  box-shadow: var(--shadow-sm);
}

.specs__table {
  background: var(--color-light-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  font-size: var(--text-sm);
}

.specs__table thead tr {
  background: linear-gradient(135deg, #1a1f36 0%, #12103a 100%);
}

.specs__table thead th {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.specs__table tbody tr {
  border-top: 1px solid var(--color-light-border);
  transition: background-color var(--duration-fast) var(--ease-in-out);
}

.specs__table tbody tr:hover {
  background-color: rgba(123, 108, 246, 0.04);
}

.specs__table tbody td {
  padding: var(--space-4) var(--space-6);
  color: var(--color-light-text);
}

.specs__table tbody td:first-child {
  color: var(--color-light-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.specs__table tbody td.mono {
  color: var(--color-accent-primary);
  font-size: var(--text-xs);
}

/* Spec highlights */
.specs__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.spec-highlight {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  transition:
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-in-out);
}

.spec-highlight:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.spec-highlight__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-muted);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-highlight__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-primary);
}

.spec-highlight__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-light-text);
  margin-bottom: var(--space-2);
}

.spec-highlight__text {
  font-size: var(--text-sm);
  color: var(--color-light-muted);
  line-height: var(--leading-relaxed);
}


/* ─────────────────────────────────────────────
   10b. SNAID LINK SECTION
───────────────────────────────────────────── */
.snaid-link {
  background-color: var(--color-light-bg);
  color: var(--color-light-text);
}

.snaid-link .section-eyebrow {
  color: var(--color-light-eyebrow);
  background: rgba(123, 108, 246, 0.08);
  border-color: rgba(123, 108, 246, 0.2);
}

.snaid-link .section-title {
  color: var(--color-light-text);
}

.snaid-link .section-subtitle {
  color: var(--color-light-muted);
}

.section-title__sub {
  display: block;
  font-size: 0.55em;
  font-weight: 500;
  color: var(--color-light-muted);
  letter-spacing: 0;
  margin-top: var(--space-2);
}

.snaid-link__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.snaid-link-card {
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  transition:
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-in-out);
}

.snaid-link-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.snaid-link-card__number {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent-primary);
  opacity: 0.2;
  line-height: 1;
}

.snaid-link-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-light-text);
  line-height: var(--leading-tight);
}

.snaid-link-card__body {
  font-size: var(--text-sm);
  color: var(--color-light-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.snaid-link-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  background: rgba(123, 108, 246, 0.08);
  border: 1px solid rgba(123, 108, 246, 0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}


/* ─────────────────────────────────────────────
   10c. PLATFORM ARCHITECTURE SECTION
───────────────────────────────────────────── */
.platform {
  background: linear-gradient(180deg, var(--color-brand-surface) 0%, var(--color-brand-deep) 100%);
}

.platform__layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-8);
  align-items: center;
  max-width: 900px;
  margin-inline: auto;
}

.platform__layer {
  background: var(--color-brand-card);
  border: 1px solid var(--color-brand-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.platform__layer--fly {
  border-color: rgba(123, 108, 246, 0.25);
}

.platform__layer--link {
  border-color: rgba(0, 200, 255, 0.25);
}

.platform__layer-badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.platform__layer--fly .platform__layer-badge {
  color: var(--color-accent-primary);
  background: var(--color-accent-muted);
  border: 1px solid rgba(123, 108, 246, 0.3);
}

.platform__layer--link .platform__layer-badge {
  color: var(--color-accent-secondary);
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid rgba(0, 200, 255, 0.2);
}

.platform__layer-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.platform__layer-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.platform__layer-list li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
  line-height: var(--leading-normal);
}

.platform__layer-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent-primary);
  font-size: var(--text-sm);
}

.platform__layer--link .platform__layer-list li::before {
  color: var(--color-accent-secondary);
}

.platform__connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.platform__connector svg {
  width: 24px;
  height: 80px;
}

.platform__result {
  margin-top: var(--space-12);
  display: flex;
  justify-content: center;
}

.platform__result-inner {
  max-width: 680px;
  text-align: center;
  padding: var(--space-8);
  background: var(--color-brand-card);
  border: 1px solid var(--color-brand-border-vis);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
}

.platform__result-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(123, 108, 246, 0.06) 0%, rgba(0, 200, 255, 0.04) 100%);
  pointer-events: none;
}

.platform__result-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid rgba(0, 200, 255, 0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  position: relative;
}

.platform__result-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  position: relative;
}


/* ─────────────────────────────────────────────
   11. AUDIENCE SECTION
───────────────────────────────────────────── */
.audience {
  background: linear-gradient(180deg, var(--color-brand-deep) 0%, var(--color-brand-surface) 100%);
}

.audience__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.audience-card {
  background: var(--color-brand-card);
  border: 1px solid var(--color-brand-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition:
    border-color var(--duration-base) var(--ease-in-out),
    box-shadow var(--duration-base) var(--ease-in-out),
    transform var(--duration-base) var(--ease-in-out);
}

.audience-card:hover {
  border-color: rgba(123, 108, 246, 0.25);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-4px);
}

.audience-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-muted);
  border: 1px solid rgba(123, 108, 246, 0.25);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.audience-card__icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent-primary);
}

.audience-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.audience-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.audience-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-brand-border);
}

.audience-card__list li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  letter-spacing: 0.01em;
}

.audience-card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent-primary);
}


/* ─────────────────────────────────────────────
   12. CONTACT SECTION
───────────────────────────────────────────── */
.contact {
  background: linear-gradient(
    135deg,
    var(--color-brand-navy) 0%,
    #0d1035 50%,
    #10072a 100%
  );
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(123, 108, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.contact__body {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-5);
  margin-bottom: var(--space-8);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: color var(--duration-base) var(--ease-in-out);
  text-decoration: none;
}

.contact__email svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.contact__email:hover {
  color: var(--color-accent-primary);
}

.contact__cta-box {
  background: var(--color-brand-card);
  border: 1px solid var(--color-brand-border-vis);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact__cta-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
}

.contact__cta-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.contact__cta-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Contact form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact__form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.contact__form-input,
.contact__form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-brand-border-vis);
  border-radius: var(--radius-md);
  transition:
    border-color var(--duration-base) var(--ease-in-out),
    box-shadow var(--duration-base) var(--ease-in-out);
  outline: none;
}

.contact__form-input::placeholder,
.contact__form-textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.contact__form-input:focus,
.contact__form-textarea:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

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

.contact__form-submit {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.contact__form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact__form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
}

.contact__form-success svg {
  width: 48px;
  height: 48px;
  color: #34d399;
}

.contact__form-success-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.contact__form-success-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.contact__form-error {
  font-size: var(--text-sm);
  color: #f87171;
  margin-top: var(--space-2);
}


/* ─────────────────────────────────────────────
   13. FOOTER
───────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-brand-navy);
  border-top: 1px solid var(--color-brand-border);
}

.footer__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer__logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  opacity: 0.85;
}

.footer__brand-name {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer__brand-snaid {
  color: var(--color-text-primary);
}

.footer__brand-fly {
  color: var(--color-accent-primary);
}

.footer__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  padding-left: calc(32px + var(--space-3));
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--duration-base) var(--ease-in-out);
  text-decoration: none;
}

.footer__nav-link:hover {
  color: var(--color-text-primary);
}

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: right;
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.7;
  max-width: 380px;
}


/* ─────────────────────────────────────────────
   14. SCROLL REVEAL ANIMATIONS
───────────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-animate="fade-up"] {
  transform: translateY(28px);
}

[data-animate="fade-left"] {
  transform: translateX(40px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger delays via data attribute */
[data-animate-delay="100"] { transition-delay: 100ms; }
[data-animate-delay="150"] { transition-delay: 150ms; }
[data-animate-delay="200"] { transition-delay: 200ms; }
[data-animate-delay="300"] { transition-delay: 300ms; }
[data-animate-delay="400"] { transition-delay: 400ms; }
[data-animate-delay="450"] { transition-delay: 450ms; }
[data-animate-delay="500"] { transition-delay: 500ms; }


/* ─────────────────────────────────────────────
   15. KEYFRAME ANIMATIONS
───────────────────────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1; transform: scale(1.1); }
}

@keyframes fade-in-scroll {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ─────────────────────────────────────────────
   16. MEDIA QUERIES — RESPONSIVE LAYOUT
───────────────────────────────────────────── */

/* Large desktop (1280px+) — minor tweaks */
@media (min-width: 1280px) {
  :root {
    --container-pad: var(--space-12);
  }
}

/* Tablet landscape — 1024px */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(72px + var(--space-8));
    padding-block: var(--space-16) var(--space-12);
  }

  .hero__eyebrow,
  .hero__actions,
  .hero__certifications {
    justify-content: center;
  }

  .hero__description {
    margin-inline: auto;
  }

  .hero__visual {
    order: -1;
  }

  .hero__image {
    max-width: 380px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .snaid-link__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .platform__layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .platform__connector {
    transform: rotate(90deg);
  }

  .specs__layout {
    grid-template-columns: 1fr;
  }

  .contact__inner {
    grid-template-columns: 1fr;
  }

  .footer__legal {
    text-align: left;
  }

  .footer__disclaimer {
    max-width: 100%;
  }
}

/* Tablet portrait — 768px */
@media (max-width: 768px) {
  :root {
    --container-pad: var(--space-5);
  }

  .section-container {
    padding-block: var(--space-16);
  }

  /* Mobile nav */
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: var(--space-4) var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-brand-border);
    gap: var(--space-2);
  }

  .nav__menu.is-open {
    display: flex;
  }

  .nav__item--cta {
    margin-top: var(--space-2);
  }

  .nav__link--cta {
    text-align: center;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .snaid-link__grid {
    grid-template-columns: 1fr;
  }

  .audience__grid {
    grid-template-columns: 1fr;
  }

  .about__stats {
    grid-template-columns: 1fr 1fr;
  }

  .hero__certifications {
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
  }

  .hero__image {
    max-width: 300px;
  }

  .hero__title {
    font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl));
  }

  .footer__container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer__legal {
    text-align: left;
  }
}

/* Very small screens — 360px (older Android, iPhone SE 1st gen) */
@media (max-width: 360px) {
  :root {
    --container-pad: var(--space-4);
  }

  .nav__brand-name {
    font-size: var(--text-base);
  }

  .hero__badge {
    font-size: 0.65rem;
    padding: var(--space-1) var(--space-3);
  }

  .hero__image {
    max-width: 220px;
  }

  .feature-card {
    padding: var(--space-6);
  }

  .audience-card {
    padding: var(--space-6);
  }

  .contact__cta-box {
    padding: var(--space-5) var(--space-4);
  }

  .contact__form {
    gap: var(--space-3);
  }

  .contact__form-input,
  .contact__form-textarea {
    padding: var(--space-2) var(--space-3);
  }
}

/* Mobile — 480px */
@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

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

  .about__stats {
    grid-template-columns: 1fr;
  }

  .hero__image {
    max-width: 260px;
  }

  .specs__table-wrapper {
    font-size: var(--text-xs);
  }

  .specs__table thead th,
  .specs__table tbody td {
    padding: var(--space-2) var(--space-3);
  }

  .contact__cta-box {
    padding: var(--space-6) var(--space-5);
  }

  .contact__form-submit {
    align-self: stretch;
  }

  .contact__form-input,
  .contact__form-textarea {
    font-size: var(--text-base);
  }

  .footer__nav-list {
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .footer__nav-link {
    font-size: var(--text-xs);
  }

  .hero__cert-label {
    font-size: var(--text-xs);
  }

  .section-container {
    padding-block: var(--space-12);
  }
}