/* =====================================================================
 * SizBiz — Landing page design system
 * Coral + Teal + Plum · Plus Jakarta Sans · Inter
 * ===================================================================== */

:root {
  /* Brand */
  --coral: #FF6B5B;
  --coral-light: #FF9985;
  --coral-dark: #E54B3C;
  --teal: #3EC5C4;
  --teal-light: #7FDCD7;
  --teal-dark: #2EA8A7;
  --plum: #2D1B3D;
  --plum-light: #4A2E5C;
  --plum-deep: #1A0F26;
  --peach: #FFDAC8;
  --dusk: #5A3E6B;

  /* Surface */
  --cream: #FFF6EE;
  --cream-2: #F5EDE3;
  --white: #FFFFFF;
  --ink: #2A1F2D;
  --ink-muted: #6B5E6E;
  --ink-soft: #9C8FA0;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(45, 27, 61, 0.04), 0 1px 2px rgba(45, 27, 61, 0.03);
  --shadow-md: 0 10px 30px rgba(45, 27, 61, 0.08), 0 4px 10px rgba(45, 27, 61, 0.04);
  --shadow-lg: 0 24px 60px rgba(45, 27, 61, 0.14), 0 8px 20px rgba(45, 27, 61, 0.06);
  --shadow-glow-coral: 0 20px 40px rgba(255, 107, 91, 0.35);
  --shadow-glow-teal: 0 20px 40px rgba(62, 197, 196, 0.32);

  /* Radius */
  --r-chip: 999px;
  --r-btn: 14px;
  --r-card: 24px;
  --r-lg: 32px;

  /* Type */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1200px;
  --nav-h: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================ RESET ================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0;
}

em { font-style: italic; color: var(--coral); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================ BUTTONS =============================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--r-btn);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  border: none;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), background 200ms var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--sm { padding: 10px 18px; font-size: 13px; }
.btn--lg { padding: 18px 28px; font-size: 15px; }

.btn--primary {
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: var(--white);
  box-shadow: var(--shadow-glow-coral);
}
.btn--primary:hover { box-shadow: 0 28px 50px rgba(255, 107, 91, 0.45); }

.btn--glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  color: var(--plum);
  border: 1px solid rgba(45, 27, 61, 0.08);
  box-shadow: var(--shadow-md);
}
.btn--glass:hover { background: var(--white); }

/* =========================== NAVIGATION ============================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255, 246, 238, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(45, 27, 61, 0);
  transition: border-color 300ms var(--ease-out), background 300ms var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(255, 246, 238, 0.94);
  border-bottom-color: rgba(45, 27, 61, 0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--plum);
}
.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-muted);
  transition: color 200ms;
}
.nav__links a:hover { color: var(--plum); }
.nav__cta { display: flex; gap: 12px; }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--plum);
  border-radius: 2px;
  transition: transform 200ms, opacity 200ms;
}

/* ============================= HERO ================================= */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 120px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(255, 107, 91, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 30%, rgba(62, 197, 196, 0.12), transparent 60%),
    radial-gradient(ellipse 90% 60% at 70% 90%, rgba(255, 218, 200, 0.4), transparent 60%),
    linear-gradient(180deg, var(--cream) 0%, #FFFBF5 100%);
}

.hero__aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background:
    radial-gradient(circle 200px at 10% 20%, rgba(255, 107, 91, 0.3), transparent 70%),
    radial-gradient(circle 240px at 90% 60%, rgba(62, 197, 196, 0.28), transparent 70%);
  filter: blur(60px);
  animation: aurora 12s ease-in-out infinite alternate;
}
@keyframes aurora {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -40px) scale(1.08); }
}

.hero__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 107, 91, 0.1);
  color: var(--coral-dark);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--r-chip);
  margin-bottom: 28px;
  border: 1px solid rgba(255, 107, 91, 0.2);
}
.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 0 rgba(255, 107, 91, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 91, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(255, 107, 91, 0); }
}

.hero__title {
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--plum);
  margin: 0 0 20px;
}
.hero__title .plus {
  display: inline-block;
  color: var(--dusk);
  font-weight: 500;
  margin: 0 0.15em;
  opacity: 0.5;
}
.gradient-text {
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.gradient-text--coral {
  background-image: linear-gradient(135deg, var(--coral-dark), var(--coral-light));
}
.gradient-text--teal {
  background-image: linear-gradient(135deg, var(--teal-dark), var(--teal-light));
}

.hero__subtitle {
  font-size: clamp(16px, 1.3vw, 19px);
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0 0 36px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.stat__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 32px;
  color: var(--plum);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat__label {
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 620px;
}

/* ============================ PHONE MOCKUP ========================== */
.phone {
  position: relative;
  width: 320px;
  height: 640px;
  background: #1a0f1f;
  border-radius: 42px;
  padding: 12px;
  box-shadow:
    0 0 0 2px #0a0510,
    var(--shadow-lg),
    0 40px 80px rgba(62, 197, 196, 0.15);
  transform: rotate(-3deg) translateY(0);
  animation: floatphone 6s ease-in-out infinite alternate;
  z-index: 2;
}
@keyframes floatphone {
  0% { transform: rotate(-3deg) translateY(0); }
  100% { transform: rotate(-3deg) translateY(-12px); }
}
.phone__notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 24px;
  background: #0a0510;
  border-radius: 0 0 16px 16px;
  z-index: 3;
}
.phone__screen {
  width: 100%;
  height: 100%;
  background: var(--cream);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
}

/* Mockup UI inside phone */
.mock {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
}
.mock__statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--plum);
}
.mock__status-icons { display: flex; gap: 6px; align-items: center; }
.mock__wifi, .mock__battery {
  width: 14px;
  height: 10px;
  background: var(--plum);
  border-radius: 2px;
  opacity: 0.8;
}
.mock__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px 16px;
}
.mock__h1 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--plum);
  letter-spacing: -0.03em;
}
.mock__h2 {
  font-size: 11px;
  color: var(--ink-muted);
  margin-top: 2px;
}
.mock__iconbtn {
  width: 36px;
  height: 36px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}
.mock__chips {
  display: flex;
  gap: 6px;
  padding: 0 20px 14px;
  overflow: hidden;
}
.chip {
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  background: var(--white);
  color: var(--ink-muted);
  white-space: nowrap;
}
.chip--on {
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: var(--white);
}
.chip--teal {
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  color: var(--white);
}
.mock__card {
  flex: 1;
  margin: 0 16px;
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.mock__photo {
  position: relative;
  height: 55%;
  background: linear-gradient(135deg, var(--peach), var(--coral-light) 40%, var(--dusk) 100%);
  overflow: hidden;
}
.mock__photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3), transparent 50%);
}
.mock__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.6) 100%);
}
.mock__score {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 10px;
  background: linear-gradient(135deg, var(--coral-light), var(--coral));
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 107, 91, 0.5);
  z-index: 2;
}
.mock__verified {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 9px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--plum);
  font-size: 9px;
  font-weight: 700;
  border-radius: 999px;
  z-index: 2;
}
.mock__name {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 2;
  color: var(--white);
}
.mock__name-main {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.mock__name-sub {
  font-size: 10px;
  opacity: 0.85;
  margin-top: 2px;
}
.mock__body { padding: 12px 14px; }
.mock__bio { font-size: 11px; color: var(--ink-muted); line-height: 1.5; }
.mock__tags { display: flex; gap: 4px; margin: 8px 0 10px; }
.mock__tag {
  padding: 4px 8px;
  background: rgba(255, 107, 91, 0.1);
  color: var(--coral-dark);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 600;
}
.mock__actions { display: flex; gap: 6px; }
.mock__pass {
  width: 38px;
  height: 32px;
  background: var(--cream-2);
  color: var(--ink-muted);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 500;
}
.mock__like {
  flex: 1;
  height: 32px;
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: var(--white);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(255, 107, 91, 0.4);
}
.mock__navbar {
  display: flex;
  justify-content: space-around;
  padding: 10px 16px 16px;
  gap: 4px;
  background: var(--white);
  margin: 12px 12px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.mock__tab {
  width: 38px;
  height: 34px;
  display: grid;
  place-items: center;
  font-size: 15px;
  color: var(--ink-muted);
  border-radius: 999px;
}
.mock__tab--on {
  background: rgba(255, 107, 91, 0.15);
  color: var(--coral-dark);
}

/* Floating blobs around phone */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  z-index: 1;
  pointer-events: none;
}
.blob--1 {
  width: 160px;
  height: 160px;
  top: 10%;
  left: -10%;
  background: radial-gradient(circle, rgba(255, 107, 91, 0.4), transparent 70%);
  animation: blob 8s ease-in-out infinite alternate;
}
.blob--2 {
  width: 200px;
  height: 200px;
  bottom: 5%;
  right: -15%;
  background: radial-gradient(circle, rgba(62, 197, 196, 0.45), transparent 70%);
  animation: blob 10s ease-in-out infinite alternate-reverse;
}
.blob--3 {
  width: 120px;
  height: 120px;
  top: 50%;
  right: 10%;
  background: radial-gradient(circle, rgba(255, 218, 200, 0.6), transparent 70%);
  animation: blob 7s ease-in-out infinite alternate;
}
@keyframes blob {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.15); }
}

.hero__scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
}
.hero__scroll-hint .arrow {
  font-size: 18px;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* =========================== LOGO MARK ============================== */
.logo-mark {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 24px;
}
.logo-mark--sm { width: 32px; height: 22px; }

.logo-mark__coral, .logo-mark__teal {
  position: absolute;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.logo-mark__coral {
  left: 0;
  background: linear-gradient(135deg, var(--coral-light), var(--coral));
  mix-blend-mode: multiply;
}
.logo-mark__teal {
  right: 0;
  background: linear-gradient(135deg, var(--teal-light), var(--teal));
  mix-blend-mode: multiply;
}

/* ========================= SECTION COMMON =========================== */
section { padding: 120px 0; }
.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  padding: 5px 12px;
  background: var(--plum);
  color: var(--peach);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 999px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(34px, 4.5vw, 54px);
  color: var(--plum);
  margin: 0 0 16px;
  letter-spacing: -0.035em;
}
.section-lead {
  font-size: 17px;
  color: var(--ink-muted);
  margin: 0 auto;
  max-width: 620px;
  line-height: 1.65;
}

/* ============================= PILLARS ============================== */
.pillars {
  background: var(--white);
  position: relative;
}
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pillar {
  padding: 36px 28px;
  background: var(--cream);
  border-radius: var(--r-card);
  border: 1px solid rgba(45, 27, 61, 0.05);
  transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out), border-color 300ms;
}
.pillar:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 91, 0.2);
}
.pillar__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--white);
}
.pillar__icon--coral {
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  box-shadow: 0 10px 24px rgba(255, 107, 91, 0.35);
}
.pillar__icon--teal {
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  box-shadow: 0 10px 24px rgba(62, 197, 196, 0.3);
}
.pillar__icon--plum {
  background: linear-gradient(135deg, var(--plum), var(--plum-light));
  box-shadow: 0 10px 24px rgba(45, 27, 61, 0.3);
}
.pillar h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--plum);
  margin-bottom: 10px;
}
.pillar p {
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ============================== MODES =============================== */
.modes {
  background: linear-gradient(180deg, var(--cream) 0%, #FFFBF5 100%);
  position: relative;
  overflow: hidden;
}
.modes::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(62, 197, 196, 0.12), transparent 70%);
  filter: blur(40px);
}
.mode-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.mode-card {
  position: relative;
  padding: 32px 26px;
  border-radius: var(--r-card);
  overflow: hidden;
  color: var(--white);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  transition: transform 300ms var(--ease-out);
}
.mode-card:hover { transform: translateY(-8px) scale(1.02); }
.mode-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.18), transparent 50%);
  z-index: 1;
}
.mode-card > * { position: relative; z-index: 2; }

.mode-card--coral {
  background: linear-gradient(145deg, var(--coral-dark), var(--coral));
  box-shadow: 0 20px 50px rgba(255, 107, 91, 0.35);
}
.mode-card--teal {
  background: linear-gradient(145deg, var(--teal-dark), var(--teal));
  box-shadow: 0 20px 50px rgba(62, 197, 196, 0.3);
}
.mode-card--peach {
  background: linear-gradient(145deg, #E07856, var(--peach));
  color: var(--plum);
  box-shadow: 0 20px 50px rgba(224, 120, 86, 0.3);
}
.mode-card--plum {
  background: linear-gradient(145deg, var(--plum-deep), var(--plum-light));
  box-shadow: 0 20px 50px rgba(45, 27, 61, 0.45);
}

.mode-card__icon {
  font-size: 40px;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}
.mode-card h3 {
  font-size: 24px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.mode-card p {
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.9;
  margin: 0 0 20px;
}
.mode-card__tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mode-card__tags span {
  padding: 5px 11px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}
.mode-card--peach .mode-card__tags span {
  background: rgba(45, 27, 61, 0.12);
}

/* =============================== HOW ================================ */
.how { background: var(--white); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--coral) 0%, var(--teal) 50%, var(--plum) 100%);
  opacity: 0.2;
  z-index: 0;
}
.step {
  position: relative;
  padding: 40px 32px;
  background: var(--cream);
  border-radius: var(--r-card);
  z-index: 1;
  transition: transform 300ms var(--ease-out), box-shadow 300ms;
}
.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step__num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--coral);
  letter-spacing: 0.3em;
  margin-bottom: 20px;
}
.step--teal .step__num { color: var(--teal-dark); }
.step--coral .step__num { color: var(--coral-dark); }
.step h3 {
  font-size: 22px;
  color: var(--plum);
  margin-bottom: 10px;
}
.step p {
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* =============================== CTA ================================ */
.cta {
  padding: 80px 0;
  background: var(--cream);
}
.cta__card {
  position: relative;
  padding: 80px 40px;
  background: linear-gradient(135deg, var(--plum-deep), var(--plum), var(--dusk));
  border-radius: var(--r-lg);
  text-align: center;
  color: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta__aurora {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle 400px at 20% 20%, rgba(255, 107, 91, 0.35), transparent 60%),
    radial-gradient(circle 400px at 80% 80%, rgba(62, 197, 196, 0.3), transparent 60%);
  animation: aurora 10s ease-in-out infinite alternate;
  pointer-events: none;
}
.cta__card > * { position: relative; z-index: 1; }
.cta__card h2 {
  font-size: clamp(34px, 4.5vw, 54px);
  margin-bottom: 16px;
  letter-spacing: -0.035em;
}
.cta__card h2 em {
  background: linear-gradient(135deg, var(--coral-light), var(--peach));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.cta__card p {
  font-size: 17px;
  opacity: 0.85;
  margin: 0 auto 36px;
  max-width: 540px;
  line-height: 1.65;
}
.cta__buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta__note {
  font-size: 12px;
  opacity: 0.6;
  letter-spacing: 0.05em;
}

/* =========================== DOWNLOAD =============================== */
.download {
  background: linear-gradient(180deg, var(--cream) 0%, #FFFBF5 100%);
  position: relative;
  overflow: hidden;
}
.download::before {
  content: "";
  position: absolute;
  top: 20%;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 91, 0.15), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
.download::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(62, 197, 196, 0.15), transparent 70%);
  filter: blur(40px);
  z-index: 0;
}
.dl-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  position: relative;
}
.dl-card {
  position: relative;
  padding: 36px 32px;
  background: var(--white);
  border-radius: var(--r-card);
  border: 1px solid rgba(45, 27, 61, 0.06);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 400ms var(--ease-out), box-shadow 400ms var(--ease-out);
}
.dl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.dl-card--android {
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 107, 91, 0.06), transparent 50%),
    var(--white);
  border-color: rgba(255, 107, 91, 0.15);
}
.dl-card--ios {
  background:
    radial-gradient(circle at 100% 0%, rgba(62, 197, 196, 0.08), transparent 50%),
    var(--white);
  border-color: rgba(62, 197, 196, 0.15);
}

.dl-card__badge {
  position: absolute;
  top: 20px;
  right: 24px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--coral), var(--coral-light));
  color: var(--white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(255, 107, 91, 0.4);
}
.dl-card__badge--soon {
  background: rgba(45, 27, 61, 0.08);
  color: var(--plum);
  box-shadow: none;
}

.dl-card__head {
  display: flex;
  align-items: center;
  gap: 18px;
}
.dl-card__head > svg {
  padding: 14px;
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  color: var(--white);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(255, 107, 91, 0.35);
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  box-sizing: content-box;
}
.dl-card--ios .dl-card__head > svg {
  background: linear-gradient(135deg, var(--plum), var(--plum-light));
  box-shadow: 0 12px 28px rgba(45, 27, 61, 0.3);
}
.dl-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--plum);
  letter-spacing: -0.02em;
}
.dl-card__sub {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 2px;
}

.dl-card__cta {
  width: 100%;
  padding: 18px 20px;
}
.dl-size { opacity: 0.8; font-weight: 500; margin-left: 6px; }

.dl-card__variants {
  margin-top: -4px;
  background: var(--cream);
  border-radius: 14px;
  overflow: hidden;
  transition: background 200ms;
}
.dl-card__variants summary {
  padding: 14px 18px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--plum);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dl-card__variants summary::-webkit-details-marker { display: none; }
.dl-card__variants summary::after {
  content: "▾";
  color: var(--coral);
  font-size: 11px;
  transition: transform 300ms;
}
.dl-card__variants[open] summary::after { transform: rotate(180deg); }
.dl-card__variants a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--plum);
  border-top: 1px solid rgba(45, 27, 61, 0.06);
  transition: background 200ms;
}
.dl-card__variants a:hover {
  background: rgba(255, 107, 91, 0.06);
}
.dl-card__variants .muted {
  font-size: 11px;
  color: var(--ink-muted);
  font-weight: 400;
}

.dl-card__install {
  background: var(--cream);
  border-radius: 16px;
  padding: 18px 20px;
}
.dl-card__install h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--plum);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.dl-card__install ol {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.7;
}
.dl-card__install ol li strong { color: var(--plum); font-weight: 600; }
.dl-card__install ol li em { color: var(--coral); font-style: normal; font-weight: 600; }
.dl-card__install p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.65;
}
.dl-card__install p a {
  color: var(--teal-dark);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(62, 197, 196, 0.3);
}

.dl-card__note {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin: 0;
}

.dl-card__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
.dl-card__form input {
  padding: 14px 16px;
  border: 1px solid rgba(45, 27, 61, 0.12);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--plum);
  background: var(--cream);
  outline: none;
  transition: border-color 200ms, background 200ms;
}
.dl-card__form input:focus {
  border-color: var(--teal);
  background: var(--white);
}
.dl-card__form .ok {
  grid-column: 1 / -1;
  padding: 10px 14px;
  background: rgba(62, 197, 196, 0.12);
  color: var(--teal-dark);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
}

.dl-card__verify {
  font-size: 11px;
  color: var(--ink-muted);
  line-height: 1.5;
  padding-top: 6px;
  border-top: 1px dashed rgba(45, 27, 61, 0.1);
}
.dl-card__verify .muted { display: block; margin-bottom: 4px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; font-size: 10px; }
.dl-card__verify code {
  font-family: ui-monospace, SF Mono, monospace;
  font-size: 10px;
  word-break: break-all;
  color: var(--plum);
  background: var(--cream);
  padding: 6px 10px;
  border-radius: 8px;
  display: inline-block;
}

/* =============================== FAQ ================================ */
.faq { background: var(--white); }
.faq__list {
  max-width: 760px;
  margin: 0 auto;
}
.faq__item {
  background: var(--cream);
  border-radius: 18px;
  padding: 0;
  margin-bottom: 12px;
  overflow: hidden;
  transition: background 200ms;
}
.faq__item[open] { background: var(--white); border: 1px solid rgba(45, 27, 61, 0.08); }
.faq__item summary {
  padding: 22px 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--plum);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--coral);
  transition: transform 300ms var(--ease-out);
  font-weight: 300;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p {
  padding: 0 26px 22px;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* ============================= FOOTER =============================== */
.footer {
  background: var(--plum-deep);
  color: rgba(255, 246, 238, 0.7);
  padding: 80px 0 32px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: -0.02em;
}
.footer__tag {
  font-size: 13px;
  margin-top: 2px;
  opacity: 0.6;
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__cols h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--peach);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer__cols a {
  display: block;
  font-size: 14px;
  color: rgba(255, 246, 238, 0.65);
  padding: 4px 0;
  transition: color 200ms;
}
.footer__cols a:hover { color: var(--coral-light); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  font-size: 13px;
  opacity: 0.55;
}
.footer__made .heart {
  color: var(--coral);
  display: inline-block;
  animation: heartbeat 2s ease-in-out infinite;
}
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ============================= REVEAL =============================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: 80ms;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================== RESPONSIVE ============================ */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 60px; }
  .hero__visual { min-height: 560px; }
  .hero__stats { gap: 32px; }

  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .mode-grid { grid-template-columns: repeat(2, 1fr); }
  .dl-grid { grid-template-columns: 1fr; gap: 20px; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .steps::before { display: none; }

  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  section { padding: 80px 0; }
  .hero { padding-top: calc(var(--nav-h) + 40px); padding-bottom: 80px; }

  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--cream);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(45, 27, 61, 0.08);
  }

  .pillar-grid, .mode-grid, .dl-grid { grid-template-columns: 1fr; }

  .hero__stats { gap: 24px; }
  .stat__value { font-size: 26px; }

  .cta__card { padding: 60px 24px; }

  .footer__cols { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer__bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}