/* =============================================================
   Sarva Auth — Landing styles
   Design language: premium SaaS · trust infrastructure
   Palette: indigo + cyan · light surface with soft mesh
   ============================================================= */

/* ===== Tokens ===== */
:root {
  /* surfaces */
  --bg: #FAFAFB;
  --bg-soft: #F4F5F8;
  --surface: #FFFFFF;
  --surface-2: #FBFBFD;

  /* ink */
  --ink: #0A0B12;
  --ink-2: #1B1D29;
  --ink-mute: #5B6478;
  --ink-faint: #8A93A6;

  /* borders */
  --line: #E6E8EE;
  --line-soft: #EEF0F4;
  --line-strong: #D7DBE3;

  /* brand */
  --indigo: #4F46E5;
  --indigo-2: #4338CA;
  --indigo-3: #3730A3;
  --indigo-soft: rgba(79, 70, 229, 0.08);

  --cyan: #06B6D4;
  --cyan-2: #0891B2;
  --teal: #14B8A6;

  --ok: #10B981;
  --warn: #F59E0B;

  /* dark surface for vision section */
  --dark: #0A0B12;
  --dark-2: #11132A;
  --dark-3: #1B1F3A;

  /* type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* radii */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* shadow */
  --sh-1: 0 1px 2px rgba(10, 11, 18, 0.04);
  --sh-2: 0 8px 24px -12px rgba(10, 11, 18, 0.10);
  --sh-3: 0 24px 60px -24px rgba(10, 11, 18, 0.18);
  --sh-glow: 0 30px 80px -30px rgba(79, 70, 229, 0.45);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea { font: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1; letter-spacing: -0.01em; }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.18s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.revealed { opacity: 1; transform: none; transition: none; }
  .float { animation: none !important; }
}

/* ===== Ambient background ===== */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ambient-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10, 11, 18, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 11, 18, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 70%);
}
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}
.ambient-glow-1 {
  top: -200px; left: -120px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.35), transparent 60%);
}
.ambient-glow-2 {
  top: -120px; right: -100px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25), transparent 60%);
}

/* keep content above ambient */
.header, .hero, .section, .footer, .trust-strip { position: relative; z-index: 1; }

/* ===== Header / Nav ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 251, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 250, 251, 0.92);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
}
.logo-mark {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
}
.logo-mark img {
  display: block;
  width: 32px;
  height: 32px;
  min-width: 32px;
  max-width: 32px;
  max-height: 32px;
  object-fit: cover;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
}
.logo-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-mute);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 0.9375rem;
  color: var(--ink-mute);
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--ink); }
.nav-link-muted { color: var(--ink-mute); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  user-select: none;
}
.btn-primary {
  background: linear-gradient(135deg, #5B52ED 0%, var(--indigo-2) 100%);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 8px 24px -10px rgba(79, 70, 229, 0.55), var(--sh-1);
  border: 1px solid rgba(79, 70, 229, 0.4);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.18) inset, 0 14px 30px -12px rgba(79, 70, 229, 0.65);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--sh-1);
}
.btn-ghost:hover {
  border-color: var(--line-strong);
  color: var(--ink);
  background: #fff;
}

.btn-lg { padding: 13px 22px; font-size: 1rem; border-radius: var(--r-md); }
.btn-sm { padding: 8px 14px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero {
  padding: 90px 0 80px;
  overflow: hidden;
}
.hero-content {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--indigo-3);
  background: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.18);
  border-radius: var(--r-pill);
  margin-bottom: 22px;
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--indigo);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.2vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 22px;
}
.grad {
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.grad-light {
  background: linear-gradient(135deg, #A5B4FC 0%, #67E8F9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink-mute);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--ink-mute);
  font-size: 0.875rem;
}
.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-mute);
}
.hero-meta-item svg { color: var(--indigo); }

/* ===== Hero visual: verification card ===== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: auto;
}
.float {
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.verify-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3), 0 60px 120px -40px rgba(79, 70, 229, 0.25);
  overflow: hidden;
}
.verify-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(6, 182, 212, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(79, 70, 229, 0.08), transparent 60%);
  pointer-events: none;
}

.verify-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.06), rgba(6, 182, 212, 0.04));
  border-bottom: 1px solid var(--line-soft);
}
.verify-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 0.8125rem;
  color: var(--ink-2);
  font-weight: 600;
}
.verify-brand-logo {
  display: block;
  width: 20px;
  height: 20px;
  min-width: 20px;
  max-width: 20px;
  max-height: 20px;
  flex-shrink: 0;
  border-radius: 5px;
  object-fit: cover;
}
.verify-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #047857;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--r-pill);
}
.verify-status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.verify-card-body { padding: 16px 18px 12px; }
.verify-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 10px;
}
.verify-rows {
  display: grid;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.verify-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  gap: 12px;
}
.verify-row span { color: var(--ink-mute); }
.verify-row strong { color: var(--ink); font-weight: 600; }

.verify-card-bottom {
  display: flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--surface-2);
  border-top: 1px solid var(--line-soft);
}
.verify-trust-title { font-size: 0.8125rem; font-weight: 600; margin: 0; }
.verify-trust-sub { font-size: 0.75rem; color: var(--ink-mute); }

/* Floating accents */
/* ===== Trust strip ===== */
.trust-strip {
  padding: 28px 0 12px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
}
.trust-eyebrow {
  font-size: 0.8125rem;
  color: var(--ink-faint);
  text-align: center;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}
.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding-bottom: 18px;
}
.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  color: var(--ink-2);
  font-weight: 500;
  box-shadow: var(--sh-1);
}
.trust-pill-icon { font-size: 0.875rem; }

/* ===== Generic section ===== */
.section { padding: 96px 0; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head-left {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
  max-width: none;
  margin-bottom: 32px;
}
.kicker {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--indigo);
  font-weight: 700;
  margin-bottom: 14px;
}
.kicker-light { color: #A5B4FC; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 14px;
}
.section-title-left { text-align: left; }
.section-intro {
  font-size: 1.0625rem;
  color: var(--ink-mute);
  line-height: 1.65;
  max-width: 620px;
  margin: 0 auto;
}
.section-head-left .section-intro { margin: 0; }

/* ===== Problem ===== */
.section-problem { padding-top: 64px; }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.problem-card {
  position: relative;
  padding: 28px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.2s ease;
}
.problem-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 100% 0%, rgba(79, 70, 229, 0.05), transparent 60%);
  pointer-events: none;
}
.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-2);
  border-color: rgba(79, 70, 229, 0.25);
}
.problem-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--indigo);
  background: var(--indigo-soft);
  padding: 4px 10px;
  border-radius: var(--r-pill);
  display: inline-block;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--ink);
}
.problem-card p { color: var(--ink-mute); font-size: 0.9375rem; }

/* ===== How it works (steps) ===== */
.section-how { background: linear-gradient(180deg, transparent 0%, rgba(244, 245, 248, 0.6) 100%); }

.steps {
  list-style: none;
  display: grid;
  gap: 16px;
  max-width: 940px;
  margin: 0 auto;
  position: relative;
}
.step {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}
.step:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: var(--sh-2);
}
.step-rail {
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-num {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: #fff;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-3) 100%);
  border-radius: 50%;
  box-shadow: 0 8px 22px -8px rgba(79, 70, 229, 0.6);
}
.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.step-body p { color: var(--ink-mute); font-size: 0.9375rem; max-width: 540px; }

.step-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  color: var(--ink-2);
  font-weight: 500;
}
.step-chip svg { color: var(--ink-mute); }
.step-chip.ok {
  color: #047857;
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.25);
}

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-faint); display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18); }

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  position: relative;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 100% 0%, rgba(79, 70, 229, 0.06), transparent 60%);
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: var(--sh-2);
}
.feature-card-lg { grid-column: span 2; }

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(6, 182, 212, 0.10));
  color: var(--indigo-3);
  margin-bottom: 18px;
  border: 1px solid rgba(79, 70, 229, 0.20);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--ink);
}
.feature-card p { color: var(--ink-mute); font-size: 0.9375rem; }

/* feature previews */
.feature-preview {
  margin-top: 22px;
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
}
.feature-preview-doc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.doc-line {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--bg-soft) 0%, var(--line) 60%, var(--bg-soft) 100%);
}
.doc-line.w-30 { width: 30%; }
.doc-line.w-90 { width: 90%; }
.doc-line.w-80 { width: 80%; }
.doc-line.w-60 { width: 60%; }
.doc-stamp {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #047857;
  background: rgba(16, 185, 129, 0.10);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--r-pill);
  margin-top: 4px;
}

.feature-preview-vault { padding: 8px; display: flex; flex-direction: column; gap: 4px; }
.vault-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  background: #fff;
  border: 1px solid var(--line-soft);
}
.vault-co { color: var(--ink); font-weight: 500; }
.vault-tag {
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  font-weight: 600;
}
.vault-tag.ok { color: #047857; background: rgba(16, 185, 129, 0.10); border: 1px solid rgba(16, 185, 129, 0.22); }
.vault-tag.pending { color: #92400E; background: rgba(245, 158, 11, 0.10); border: 1px solid rgba(245, 158, 11, 0.25); }

/* ===== Demo (verification page mockup) ===== */
.section-demo { background: linear-gradient(180deg, rgba(244, 245, 248, 0.6) 0%, transparent 100%); }
.demo-frame {
  max-width: 1080px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  overflow: hidden;
}
.demo-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line-soft);
}
.demo-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--line-strong);
}
.demo-dot:nth-child(2) { background: #F4B73A; }
.demo-dot:nth-child(3) { background: #44CB76; }
.demo-dot:first-child { background: #FF6058; }
.demo-url {
  margin-left: 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  background: #fff;
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  flex: 1;
  text-align: center;
  max-width: 420px;
}
.demo-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
}
.demo-left { padding: 36px 36px; border-right: 1px solid var(--line-soft); }
.demo-right { padding: 36px 36px; background: var(--surface-2); }

.demo-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #047857;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: var(--r-pill);
  margin-bottom: 20px;
}
.status-pip {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  animation: pip 1.6s ease-in-out infinite;
}
@keyframes pip {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.0); }
}

.demo-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.demo-rows { display: grid; gap: 10px; padding: 18px 0; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); margin-bottom: 22px; }
.demo-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9375rem;
}
.demo-row span { color: var(--ink-mute); }
.demo-row strong { color: var(--ink); font-weight: 600; }
.demo-company {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
}
.demo-company-logo {
  display: block;
  width: auto;
  max-width: 120px;
  height: 36px;
  min-width: 0;
  max-height: 36px;
  flex-shrink: 0;
  border-radius: 0;
  object-fit: contain;
  background: transparent;
}
.demo-company-name {
  font-weight: 700;
  color: var(--ink);
}
.demo-company-line {
  color: var(--ink-mute);
  font-size: 0.875rem;
}
.demo-foot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: 0.875rem;
  color: var(--ink-mute);
}

/* ===== Why ===== */
.section-why { background: var(--surface-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform 0.25s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}
.why-card:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: var(--sh-1);
}
.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.why-card p { color: var(--ink-mute); font-size: 0.9375rem; }

/* ===== Vision (dark) ===== */
.section-vision {
  position: relative;
  background: var(--dark);
  color: #E2E8F0;
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid #11132A;
  border-bottom: 1px solid #11132A;
}
.vision-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 50% 50% at 20% 30%, rgba(79, 70, 229, 0.35), transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 70%, rgba(6, 182, 212, 0.22), transparent 60%),
    linear-gradient(180deg, #0A0B12 0%, #11132A 100%);
}
.section-vision::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 0%, transparent 80%);
}
.section-vision .container { position: relative; z-index: 1; }

.vision-inner { max-width: 880px; margin: 0 auto; text-align: center; }
.vision-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: #fff;
  margin-bottom: 22px;
}
.vision-lead {
  font-size: 1.125rem;
  color: #B5BCD0;
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}
.vision-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.vision-pillar {
  padding: 22px 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.vision-pillar-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #A5B4FC;
  margin-bottom: 10px;
}
.vision-pillar p { color: #C7CDDB; font-size: 0.9375rem; line-height: 1.6; }

/* ===== FAQ ===== */
.section-faq { background: var(--bg); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 0.15s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--indigo); }
.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--ink-mute);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.faq-icon::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq-icon::after { top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); }
.faq-item[open] .faq-icon::after { opacity: 0; }
.faq-item p {
  padding: 0 4px 24px;
  color: var(--ink-mute);
  font-size: 0.9375rem;
  line-height: 1.7;
  max-width: 720px;
}

/* ===== CTA ===== */
.section-cta { padding: 100px 0 120px; }
.cta-simple {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
}
.cta-simple h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.cta-simple p {
  color: var(--ink-mute);
  margin-bottom: 24px;
}
.cta-box {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: stretch;
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-3);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 0% 0%, rgba(79, 70, 229, 0.07), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(6, 182, 212, 0.06), transparent 60%);
  pointer-events: none;
}
.cta-copy { position: relative; }
.cta-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 8px 0 14px;
}
.cta-copy > p { color: var(--ink-mute); margin-bottom: 22px; }
.cta-bullets {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.9375rem;
}
.cta-bullets li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
}

.cta-form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span {
  font-size: 0.8125rem;
  color: var(--ink-mute);
  font-weight: 500;
}
.field input, .field textarea {
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 0.9375rem;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--indigo);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}
.field textarea { resize: vertical; min-height: 84px; }

.cta-note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-faint);
  margin-top: 6px;
}

/* ===== Footer ===== */
.footer {
  padding: 56px 0 32px;
  background: #fff;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 56px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-mark {
  background: transparent;
}
.footer-tagline {
  color: var(--ink-mute);
  font-size: 0.9375rem;
  line-height: 1.6;
  max-width: 360px;
  margin-bottom: 14px;
}
.footer-by {
  margin-top: 10px;
}
.footer-by-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}
.footer-by-pill strong { color: var(--ink); font-weight: 600; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
  font-weight: 600;
}
.footer-col a {
  display: block;
  font-size: 0.9375rem;
  color: var(--ink-2);
  margin-bottom: 8px;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--indigo); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 0.8125rem;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-build { color: var(--ink-faint); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { min-height: auto; max-width: 480px; margin: 0 auto; }

  .problem-grid, .features-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-lg { grid-column: span 2; }

  .demo-body { grid-template-columns: 1fr; }
  .demo-left { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .demo-left, .demo-right { padding: 28px; }

  .vision-pillars { grid-template-columns: 1fr; }

  .cta-box { grid-template-columns: 1fr; padding: 36px; gap: 32px; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-cta .nav-link-muted { display: none; }
  .logo-tag { display: none; }

  .section { padding: 72px 0; }
  .hero { padding: 48px 0 60px; }

  .problem-grid, .features-grid, .why-grid { grid-template-columns: 1fr; }
  .feature-card-lg { grid-column: span 1; }

  .step { grid-template-columns: 48px 1fr; padding: 20px; }
  .step-rail { grid-row: 1; }
  .step-body { grid-column: 2; }
  .step-visual { grid-column: 2; }
  .step-num { width: 36px; height: 36px; font-size: 1rem; }

  .form-row { grid-template-columns: 1fr; }

  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .demo-url { display: none; }
  .demo-name { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .cta-box { padding: 28px 22px; }
  .demo-left, .demo-right { padding: 22px; }
}

/* ===== Selection ===== */
::selection { background: rgba(79, 70, 229, 0.18); color: var(--ink); }