/* ==========================================================================
   Pulse — Marketing site stylesheet
   Organization: 1) Design tokens  2) Base/reset  3) Layout
                 4) Components      5) Utilities    6) Motion
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS  (CSS custom properties)
   ========================================================================== */
:root {
  /* ---- Spacing: 8-pt scale ---- */
  --space-1: 0.25rem;   /*  4px */
  --space-2: 0.5rem;    /*  8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 3rem;      /* 48px */
  --space-8: 4rem;      /* 64px */
  --space-9: 6rem;      /* 96px */
  --space-10: 8rem;     /* 128px */

  /* ---- Type scale (1.25 major third) ---- */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 3.75rem;
  --fs-5xl: 4.5rem;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", var(--font-sans);

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-normal: 1.6;

  /* ---- Radii ---- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 999px;

  /* ---- Layout ---- */
  --container: 1200px;
  --container-narrow: 880px;
  --header-h: 76px;
  --header-h-shrunk: 60px;

  /* ---- Brand palette ---- */
  --brand-50: #eef2ff;
  --brand-100: #e0e7ff;
  --brand-200: #c7d2fe;
  --brand-300: #a5b4fc;
  --brand-400: #818cf8;
  --brand-500: #6366f1;
  --brand-600: #4f46e5;
  --brand-700: #4338ca;
  --accent-400: #2dd4bf;
  --accent-500: #14b8a6;
  --pink-400: #f472b6;
  --amber-400: #fbbf24;

  /* ---- Semantic tokens (LIGHT THEME defaults) ---- */
  --bg: #ffffff;
  --bg-subtle: #f6f7fb;
  --bg-elevated: #ffffff;
  --surface: #ffffff;
  --surface-2: #f3f4f9;
  --border: #e6e8f0;
  --border-strong: #d2d6e4;
  --text: #11131c;
  --text-muted: #5a607a;
  --text-faint: #8a90a8;
  --accent: var(--brand-600);
  --accent-hover: var(--brand-700);
  --accent-contrast: #ffffff;
  --ring: rgba(99, 102, 241, 0.45);

  --gradient-brand: linear-gradient(120deg, var(--brand-500), var(--brand-700));
  --gradient-vivid: linear-gradient(120deg, #6366f1 0%, #a855f7 45%, #14b8a6 100%);
  --gradient-text: linear-gradient(120deg, #4f46e5, #a855f7 55%, #14b8a6);

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 2px rgba(17, 19, 28, 0.06), 0 1px 3px rgba(17, 19, 28, 0.08);
  --shadow-md: 0 6px 16px rgba(17, 19, 28, 0.08), 0 2px 6px rgba(17, 19, 28, 0.06);
  --shadow-lg: 0 18px 40px rgba(17, 19, 28, 0.12), 0 6px 14px rgba(17, 19, 28, 0.08);
  --shadow-xl: 0 40px 80px rgba(17, 19, 28, 0.18), 0 12px 28px rgba(17, 19, 28, 0.1);
  --shadow-glow: 0 14px 40px rgba(99, 102, 241, 0.35);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 160ms;
  --dur: 280ms;
  --dur-slow: 600ms;
}

/* ---- DARK THEME ---- */
[data-theme="dark"] {
  --bg: #0b0d16;
  --bg-subtle: #0f1220;
  --bg-elevated: #151829;
  --surface: #151829;
  --surface-2: #1c2036;
  --border: #262a40;
  --border-strong: #343a57;
  --text: #f4f5fb;
  --text-muted: #a7adc8;
  --text-faint: #6f7693;
  --accent: var(--brand-400);
  --accent-hover: var(--brand-300);
  --accent-contrast: #0b0d16;
  --ring: rgba(129, 140, 248, 0.55);

  --gradient-text: linear-gradient(120deg, #a5b4fc, #d8b4fe 55%, #5eead4);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 44px 88px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 14px 44px rgba(129, 140, 248, 0.4);
}

/* ==========================================================================
   2. BASE / RESET
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

h2 { font-size: clamp(2rem, 4vw, var(--fs-3xl)); }
h3 { font-size: var(--fs-xl); }

p { color: var(--text-muted); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--accent-hover); }

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

ul { list-style: none; padding: 0; }

button { font-family: inherit; cursor: pointer; }

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

::selection { background: var(--brand-300); color: #11131c; }

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 200;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); color: var(--accent-contrast); }

/* ==========================================================================
   3. LAYOUT
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow { max-width: var(--container-narrow); }

.section {
  padding-block: clamp(var(--space-8), 9vw, var(--space-10));
  position: relative;
}
.section--tight { padding-block: var(--space-8); }

.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-8);
  text-align: center;
}
.section-head p { margin-top: var(--space-3); font-size: var(--fs-md); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* ==========================================================================
   4. COMPONENTS
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: var(--accent-contrast);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-base);
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--btn-fg);
  background: var(--btn-bg);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur) var(--ease-spring),
              box-shadow var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gradient-brand);
  box-shadow: var(--shadow-glow);
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, var(--brand-400), var(--pink-400) 60%, var(--accent-400));
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.btn--primary:hover::before { opacity: 1; }
.btn--primary:hover { box-shadow: 0 18px 48px rgba(99, 102, 241, 0.5); }

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.btn--ghost:hover { color: var(--text); border-color: var(--accent); box-shadow: var(--shadow-md); }

.btn--lg { padding: var(--space-4) var(--space-6); font-size: var(--fs-md); }
.btn--block { width: 100%; }

/* Ripple element injected by JS */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  animation: ripple 600ms var(--ease-out);
  z-index: 0;
}

/* ---- Header / nav ---- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: height var(--dur) var(--ease-out),
              background var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  height: var(--header-h-shrunk);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--gradient-vivid);
  box-shadow: var(--shadow-glow);
}

.primary-nav { display: flex; align-items: center; gap: var(--space-2); }
.nav-list { display: flex; align-items: center; gap: var(--space-1); }
.nav-link {
  position: relative;
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  color: var(--text-muted);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: var(--space-3); right: var(--space-3);
  bottom: 6px; height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--text); }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

/* Theme toggle */
.theme-toggle {
  position: relative;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-spring), border-color var(--dur);
}
.theme-toggle:hover { transform: rotate(15deg); border-color: var(--accent); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon {
  position: absolute;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-spring);
}
.theme-toggle .icon-moon { opacity: 0; transform: scale(0.4) rotate(-90deg); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: scale(0.4) rotate(90deg); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: scale(1) rotate(0); }

/* Hamburger */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--surface);
  flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  width: 18px; height: 2px; border-radius: 2px;
  background: var(--text);
  transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(8, 10, 18, 0.5);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur) var(--ease-out), visibility var(--dur);
}
.nav-backdrop.is-open { opacity: 1; visibility: visible; }

/* ---- Cards ---- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out);
}

/* ---- Feature grid ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}
.feature-card { overflow: hidden; }
.feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-vivid);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius-md);
  display: grid; place-items: center;
  margin-bottom: var(--space-4);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur);
}
.feature-card:hover .feature-icon {
  transform: translateY(-3px) scale(1.06);
  box-shadow: var(--shadow-glow);
}
.feature-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.feature-card p { font-size: var(--fs-sm); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-9));
  padding-bottom: var(--space-9);
  overflow: hidden;
}
.hero-aurora {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 120%;
  z-index: -2;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.85;
}
.aurora-blob {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
}
[data-theme="dark"] .aurora-blob { mix-blend-mode: lighten; opacity: 0.7; }
.aurora-blob.b1 { width: 460px; height: 460px; left: 5%; top: 0; background: radial-gradient(circle, #6366f1, transparent 70%); animation: float-slow 16s ease-in-out infinite; }
.aurora-blob.b2 { width: 520px; height: 520px; right: 2%; top: 8%; background: radial-gradient(circle, #a855f7, transparent 70%); animation: float-slow 20s ease-in-out infinite reverse; }
.aurora-blob.b3 { width: 400px; height: 400px; left: 40%; top: 30%; background: radial-gradient(circle, #14b8a6, transparent 70%); animation: float-slow 22s ease-in-out infinite; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.hero-copy { max-width: 560px; }
.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, var(--fs-5xl));
  margin-block: var(--space-4) var(--space-4);
}
.hero h1 .grad {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: var(--fs-md);
  max-width: 48ch;
  margin-bottom: var(--space-6);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.hero-note {
  display: flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-5);
  font-size: var(--fs-sm);
  color: var(--text-faint);
}
.hero-visual { position: relative; }

/* ---- Browser-frame mockup ---- */
.browser {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transition: transform var(--dur) var(--ease-out);
}
.browser--float { animation: float-card 7s ease-in-out infinite; }
.browser-bar {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.browser-dots { display: flex; gap: 7px; }
.browser-dots i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.browser-dots i:nth-child(1) { background: #ff5f57; }
.browser-dots i:nth-child(2) { background: #febc2e; }
.browser-dots i:nth-child(3) { background: #28c840; }
.browser-url {
  flex: 1;
  font-size: var(--fs-xs);
  color: var(--text-faint);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  display: flex; align-items: center; gap: var(--space-2);
  max-width: 320px;
}
.browser-body { padding: 0; background: var(--bg-subtle); }
.browser-body svg { width: 100%; height: auto; }

/* Floating mini-badges around the hero mockup */
.float-badge {
  position: absolute;
  z-index: 5; /* sit ABOVE the browser mockup, not behind it */
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.float-badge .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
/* Offsets kept small so badges peek over the mockup corners without
   running off-screen (body has overflow-x:hidden). */
.float-badge.fb-1 { top: -14px; left: -18px; animation: float-card 6s ease-in-out infinite; }
.float-badge.fb-2 { bottom: 40px; right: -10px; animation: float-card 8s ease-in-out infinite reverse; }

/* ==========================================================================
   MARQUEE (trusted-by)
   ========================================================================== */
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: var(--space-8);
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-logo {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--text-faint);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-lg);
  white-space: nowrap;
  opacity: 0.75;
  transition: opacity var(--dur), color var(--dur);
}
.marquee-logo:hover { opacity: 1; color: var(--text); }

/* ==========================================================================
   HOW IT WORKS
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 34px; left: 12%; right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border-strong) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.steps .step-line {
  position: absolute;
  top: 34px; left: 12%;
  height: 2px;
  width: 0;
  background: var(--gradient-brand);
  z-index: 1;
  transition: width 1.6s var(--ease-out);
}
.steps.is-revealed .step-line { width: 76%; }
.step { position: relative; z-index: 2; text-align: center; }
.step-num {
  width: 68px; height: 68px;
  margin: 0 auto var(--space-4);
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 2px solid var(--border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--accent);
  box-shadow: var(--shadow-md);
  transition: transform var(--dur) var(--ease-spring), border-color var(--dur), box-shadow var(--dur);
}
.step:hover .step-num { transform: translateY(-4px) scale(1.05); border-color: var(--accent); box-shadow: var(--shadow-glow); }
.step h3 { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.step p { font-size: var(--fs-sm); }

/* ==========================================================================
   STATS BAND
   ========================================================================== */
.stats-band {
  background: var(--gradient-vivid);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 5vw, var(--space-8));
  color: #fff;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.stats-band::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 80% -20%, rgba(255,255,255,0.35), transparent 60%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
  text-align: center;
}
.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 4vw, var(--fs-4xl));
  line-height: 1;
}
.stat-label { margin-top: var(--space-2); color: rgba(255,255,255,0.85); font-size: var(--fs-sm); }

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-5);
}
.testimonial { display: flex; flex-direction: column; gap: var(--space-4); }
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial .quote { font-size: var(--fs-md); color: var(--text); line-height: var(--lh-snug); }
.testimonial .stars { color: var(--amber-400); letter-spacing: 2px; }
.tm-person { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.tm-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.tm-name { font-weight: 600; color: var(--text); font-size: var(--fs-sm); }
.tm-role { font-size: var(--fs-xs); color: var(--text-faint); }

/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-panel {
  position: relative;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-7), 6vw, var(--space-9));
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-panel::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(700px 360px at 50% -30%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%);
}
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { margin-bottom: var(--space-3); }
.cta-panel p { max-width: 50ch; margin: 0 auto var(--space-6); font-size: var(--fs-md); }
.cta-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding-block: var(--space-8) var(--space-6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-6);
}
.footer-brand p { margin-top: var(--space-3); font-size: var(--fs-sm); max-width: 32ch; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--text-muted); font-size: var(--fs-sm); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--space-3);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-faint);
}
.social-row { display: flex; gap: var(--space-2); }
.social-row a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: transform var(--dur) var(--ease-spring), color var(--dur), border-color var(--dur);
}
.social-row a:hover { transform: translateY(-3px); color: var(--accent); border-color: var(--accent); }

/* ==========================================================================
   FEATURES PAGE — alternating rows
   ========================================================================== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-9);
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse .feature-row-media { order: -1; }
.feature-row-copy h2 { font-size: var(--fs-2xl); margin-block: var(--space-3) var(--space-4); }
.feature-row-copy p { font-size: var(--fs-md); margin-bottom: var(--space-5); }
.check-list { display: flex; flex-direction: column; gap: var(--space-3); }
.check-list li {
  display: flex; align-items: flex-start; gap: var(--space-3);
  color: var(--text); font-size: var(--fs-base);
}
.check-list .check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent-500) 18%, transparent);
  color: var(--accent-500);
  margin-top: 2px;
}
.feature-row-media .browser { animation: float-card 8s ease-in-out infinite; }

/* ---- Comparison / pricing table ---- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--surface);
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare-table th, .compare-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare-table thead th {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  color: var(--text);
  background: var(--surface-2);
}
.compare-table thead th.featured {
  background: var(--gradient-brand);
  color: #fff;
}
.compare-table tbody th {
  font-weight: 500;
  color: var(--text);
}
.compare-table td { text-align: center; color: var(--text-muted); }
.compare-table td.featured { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.compare-table tr:last-child td, .compare-table tr:last-child th { border-bottom: none; }
.compare-table .price {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text);
}
.compare-table .price span { font-size: var(--fs-sm); color: var(--text-faint); font-weight: 500; }
.yes { color: var(--accent-500); font-weight: 700; }
.no { color: var(--text-faint); }

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: var(--space-8);
  align-items: start;
}
.contact-aside .illus { margin-bottom: var(--space-6); }
.info-cards { display: grid; gap: var(--space-4); }
.info-card {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
}
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.info-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}
.info-card h4 { font-family: var(--font-display); font-size: var(--fs-base); margin-bottom: 2px; }
.info-card p { font-size: var(--fs-sm); margin: 0; }

/* ---- Form with floating labels ---- */
.contact-form { display: grid; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { position: relative; }
.field input, .field textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--fs-base);
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-4) var(--space-3);
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
  resize: vertical;
}
.field textarea { min-height: 140px; line-height: var(--lh-normal); }
.field label {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  color: var(--text-faint);
  pointer-events: none;
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-12px) scale(0.78);
  color: var(--accent);
}
.field input::placeholder, .field textarea::placeholder { color: transparent; }
.field .error-msg {
  display: block;
  font-size: var(--fs-xs);
  color: #e5484d;
  margin-top: var(--space-2);
  min-height: 1em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur), transform var(--dur);
}
.field.is-invalid input, .field.is-invalid textarea { border-color: #e5484d; }
.field.is-invalid .error-msg { opacity: 1; transform: translateY(0); }
.field.is-valid input, .field.is-valid textarea { border-color: var(--accent-500); }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-5);
}
.form-success.is-visible { display: flex; animation: pop-in 600ms var(--ease-spring); }
.success-check {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-500) 16%, transparent);
  color: var(--accent-500);
  display: grid; place-items: center;
}
.success-check svg { width: 44px; height: 44px; }

/* Page hero (sub-pages) */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-8));
  padding-bottom: var(--space-7);
  text-align: center;
  overflow: hidden;
}
.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, var(--fs-4xl));
  margin-block: var(--space-4) var(--space-4);
}
.page-hero p { max-width: 56ch; margin: 0 auto; font-size: var(--fs-md); }
.page-hero .hero-aurora { opacity: 0.5; }

/* ==========================================================================
   Back-to-top
   ========================================================================== */
.to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 80;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(16px) scale(0.8);
  visibility: hidden;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-spring), visibility var(--dur);
}
.to-top.is-visible { opacity: 1; transform: translateY(0) scale(1); visibility: visible; }
.to-top:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); }

/* ==========================================================================
   5. UTILITIES
   ========================================================================== */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mt-6 { margin-top: var(--space-6); }
.stack-sm { display: grid; gap: var(--space-3); }

/* SVG mockup shared tokens (inherit theme colors via currentColor where useful) */
.mk-grid { stroke: var(--border); }
.mk-surface { fill: var(--surface); }
.mk-surface-2 { fill: var(--surface-2); }
.mk-text { fill: var(--text); }
.mk-muted { fill: var(--text-faint); }
.mk-line { stroke: var(--border); }

/* ==========================================================================
   6. MOTION  (reveals, keyframes, reduced-motion guard)
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Hero staggered entrance */
.hero-anim {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  animation: hero-in 900ms var(--ease-out) forwards;
  animation-delay: var(--anim-delay, 0ms);
}

/* Animated chart bars/line drawn by CSS classes (triggered via .is-visible) */
.chart-bar { transform: scaleY(0); transform-origin: bottom; transition: transform 900ms var(--ease-spring); transition-delay: var(--bar-delay, 0ms); }
.is-visible .chart-bar { transform: scaleY(1); }
.chart-line { stroke-dasharray: 600; stroke-dashoffset: 600; transition: stroke-dashoffset 1800ms var(--ease-out); }
.is-visible .chart-line { stroke-dashoffset: 0; }
.chart-area { opacity: 0; transition: opacity 1200ms var(--ease-out) 400ms; }
.is-visible .chart-area { opacity: 1; }
.draw-path { stroke-dasharray: 400; stroke-dashoffset: 400; transition: stroke-dashoffset 1600ms var(--ease-out); }
.is-visible .draw-path { stroke-dashoffset: 0; }

@keyframes hero-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -28px) scale(1.06); }
  66% { transform: translate(-24px, 18px) scale(0.96); }
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
@keyframes ripple {
  to { transform: scale(2.6); opacity: 0; }
}
@keyframes pop-in {
  0% { opacity: 0; transform: scale(0.9); }
  100% { opacity: 1; transform: scale(1); }
}

/* ---- Reduced motion: disable non-essential animation ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal], .hero-anim { opacity: 1 !important; transform: none !important; }
  .chart-bar { transform: scaleY(1); }
  .chart-line, .draw-path { stroke-dashoffset: 0; }
  .chart-area { opacity: 1; }
  .marquee-track { animation: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero-copy { max-width: none; }
  .hero-visual { max-width: 560px; }
  .feature-row { grid-template-columns: 1fr; gap: var(--space-6); margin-bottom: var(--space-8); }
  .feature-row.reverse .feature-row-media { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-7) var(--space-5); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-7) var(--space-5); }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 95;
    width: min(320px, 84vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-4);
    padding: calc(var(--header-h) + var(--space-4)) var(--space-5) var(--space-5);
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    transform: translateX(105%);
    transition: transform var(--dur) var(--ease-out);
    overflow-y: auto;
  }
  .primary-nav.is-open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: var(--space-1); width: 100%; }
  .nav-link { padding: var(--space-3) var(--space-4); font-size: var(--fs-md); }
  .nav-link::after { display: none; }
  .primary-nav .btn { width: 100%; margin-top: var(--space-2); }
  .header-actions .btn--header { display: none; }

  .steps { grid-template-columns: 1fr; gap: var(--space-7); }
  .steps::before, .steps .step-line { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .compare-table thead th.featured { font-size: var(--fs-sm); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .container { padding-inline: var(--space-4); }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-badge { display: none; }
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1; }
}