/* SMARV Design System - Bold Gradient Showcase × Blueprint Motif */

/* ──────────────────────────────────────────────────────────────
   1. DESIGN TOKENS - Color
   ────────────────────────────────────────────────────────────── */
:root {
  /* Light (day) - default */
  --bg: #F5F8FD;
  --bg-rise: #FFFFFF;
  --surface: rgba(255,255,255,.75);
  --surface-strong: rgba(255,255,255,.95);
  --border: rgba(15,23,42,.08);
  --text: #0F172A;
  --text-mut: #46526B;
  --brand-a: #4F46E5; /* indigo */
  --brand-b: #7C3AED; /* violet */
  --brand-c: #0891B2; /* cyan */
  --emerald: #059669; /* emerald */
  --amber: #D97706; /* amber */
}

/* Dark (night) - override */
html[data-theme="dark"] {
  --bg: #070B14;
  --bg-rise: #0C1322;
  --surface: rgba(255,255,255,.045);
  --surface-strong: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.09);
  --text: #F2F6FC;
  --text-mut: #9AA7C0;
  --brand-a: #6366F1; /* indigo */
  --brand-b: #8B5CF6; /* violet */
  --brand-c: #22D3EE; /* cyan */
  --emerald: #34D399; /* emerald */
  --amber: #FBBF24; /* amber */
}

/* Brand gradient */
--grad-brand: linear-gradient(120deg, var(--brand-a), var(--brand-b), var(--brand-c));
--grad-brand-rev: linear-gradient(120deg, var(--brand-c), var(--brand-b), var(--brand-a));

/* ──────────────────────────────────────────────────────────────
   2. DESIGN TOKENS - Typography, Shadows, Motion, Radius
   ────────────────────────────────────────────────────────────── */
:root {
  /* Typography */
  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  /* Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  /* Leading */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  /* Tracking */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15), 0 8px 10px rgba(0,0,0,0.25);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
  /* Inner shadow for inset effects */
  --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);
  /* Outline / ring */
  --ring-width: 3px;
  --ring-color: rgba(66,153,225,0.5);
  /* Blur */
  --blur-sm: 4px;
  --blur-md: 8px;
  /* Transition */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;
  /* Easing */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  /* Border radius */
  --radius-none: 0px;
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
}
html[data-theme="dark"] {
  /* Shadows can be slightly stronger in dark for depth */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.25);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.2), 0 4px 6px rgba(0,0,0,0.25);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.3), 0 8px 10px rgba(0,0,0,0.35);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.4);
}

/* ──────────────────────────────────────────────────────────────
   3. BASE RESETS, TYPOGRAPHY CLASSES, LAYOUT
   ────────────────────────────────────────────────────────────── */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  color: var(--text);
  background-color: var(--bg);
  transition: background-color var(--duration-300) var(--ease-in-out),
              color var(--duration-300) var(--ease-in-out);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: var(--leading-snug);
  color: var(--text);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-200) var(--ease-in-out);
}

a:hover {
  color: var(--brand-a);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

code, pre {
  font-family: var(--font-mono);
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-mono { font-family: var(--font-mono); }
.text-mut { color: var(--text-mut); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ──────────────────────────────────────────────────────────────
   4. COMPONENTS - BUTTONS, CARDS, INPUTS, TABS
   ────────────────────────────────────────────────────────────── */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-in-out);
  white-space: nowrap;
}

.btn-primary {
  background-image: linear-gradient(120deg, var(--brand-a), var(--brand-b));
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  background-image: linear-gradient(120deg, var(--brand-b), var(--brand-c));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-ghost {
  background-color: var(--surface);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background-color: var(--surface-strong);
  border-color: var(--brand-a);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: var(--text-xs);
}

/* Cards */
.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  transition: all var(--duration-200) var(--ease-in-out);
}

.card:hover {
  background-color: var(--surface-strong);
  border-color: var(--brand-a);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
  margin-bottom: 1rem;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-body {
  color: var(--text-mut);
  line-height: var(--leading-relaxed);
}

/* Form inputs */
.input {
  width: 100%;
  padding: 0.65rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-200) var(--ease-in-out);
}

.input:focus {
  outline: none;
  border-color: var(--brand-a);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.input::placeholder {
  color: var(--text-mut);
}

textarea.input {
  resize: vertical;
  min-height: 120px;
}

/* Pills / Chips */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition: all var(--duration-200) var(--ease-in-out);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-bordered {
  border-color: var(--border);
}

.pill-gradient {
  background-image: linear-gradient(120deg, var(--brand-a), var(--brand-b));
  color: #ffffff;
  border-color: transparent;
}

/* Grid utilities */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ──────────────────────────────────────────────────────────────
   5. NAVBAR
   ────────────────────────────────────────────────────────────── */

.s-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  padding: 1rem 0;
  background-color: var(--surface);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-300) var(--ease-in-out);
}

.s-nav.is-scrolled {
  background-color: var(--surface-strong);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-md);
}

.s-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.s-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}

.s-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background-image: linear-gradient(135deg, var(--brand-a), var(--brand-b), var(--brand-c));
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px var(--border), 0 4px 14px rgba(99, 102, 241, 0.25);
}

.s-brand-mark::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-top-color: transparent;
  border-left-color: transparent;
  border-radius: 4px;
  transform: rotate(-25deg);
}

.s-brand-text {
  display: flex;
  flex-direction: column;
  line-height: var(--leading-tight);
}

.s-brand-name {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.s-brand-sub {
  font-size: var(--text-xs);
  color: var(--text-mut);
  font-family: var(--font-mono);
}

.s-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.s-nav-link {
  padding: 0.5rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-mut);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--duration-200) var(--ease-in-out);
}

.s-nav-link:hover {
  color: var(--text);
  background-color: var(--surface);
}

.s-nav-link.active {
  color: var(--text);
  background-color: var(--surface-strong);
}

.s-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme toggle */
.s-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--text);
  transition: all var(--duration-200) var(--ease-in-out);
}

.s-theme-toggle:hover {
  background-color: var(--surface-strong);
  border-color: var(--brand-a);
}

.s-theme-toggle .icon-sun,
.s-theme-toggle .icon-moon {
  width: 18px;
  height: 18px;
  display: none;
}

html[data-theme="dark"] .s-theme-toggle .icon-sun {
  display: block;
}

html[data-theme="light"] .s-theme-toggle .icon-moon,
:root:not([data-theme="dark"]) .s-theme-toggle .icon-moon {
  display: block;
}

@media (max-width: 768px) {
  .s-nav-inner {
    flex-wrap: wrap;
  }
  .s-nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
  }
}

/* ──────────────────────────────────────────────────────────────
   6. HERO
   ────────────────────────────────────────────────────────────── */

.s-hero {
  position: relative;
  padding: 6rem 0 4rem;
  overflow: hidden;
  isolation: isolate;
}

.s-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  z-index: -1;
}

.s-hero::after {
  content: "";
  position: absolute;
  top: -20%;
  left: -10%;
  width: 120%;
  height: 120%;
  background-image: radial-gradient(circle at 30% 30%, var(--brand-a), transparent 50%),
                    radial-gradient(circle at 70% 70%, var(--brand-c), transparent 50%);
  opacity: 0.15;
  z-index: -2;
  animation: gradientPan 14s ease-in-out infinite;
}

@keyframes gradientPan {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(2%, -2%) scale(1.05); }
}

.s-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 1024px) {
  .s-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.s-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  margin-bottom: 1.5rem;
}

.s-hero-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.s-hero-h1 {
  font-size: clamp(2.7rem, 6vw, 4.6rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  margin-bottom: 1.5rem;
}

.s-hero-h1 .grad-text {
  background-image: linear-gradient(120deg, var(--brand-a), var(--brand-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.s-hero-lede {
  font-size: var(--text-lg);
  color: var(--text-mut);
  line-height: var(--leading-relaxed);
  margin-bottom: 2rem;
  max-width: 540px;
}

.s-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.s-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* AI Console Mock */
.s-console {
  position: relative;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.25rem;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-2xl);
  transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
  transition: transform var(--duration-300) var(--ease-in-out);
}

.s-console:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0);
}

.s-console-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.s-console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-mut);
}

.s-console-dot.red { background-color: #EF4444; }
.s-console-dot.amber { background-color: #F59E0B; }
.s-console-dot.green { background-color: var(--emerald); }

.s-console-title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-mut);
  text-align: center;
}

.s-console-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-msg {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.chat-msg.user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.chat-msg.ai .chat-avatar {
  background-image: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: #fff;
}

.chat-msg.user .chat-avatar {
  background-color: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--border);
}

.chat-bubble {
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  max-width: 85%;
}

.chat-msg.ai .chat-bubble {
  background-color: var(--surface-strong);
  border: 1px solid var(--border);
}

.chat-msg.user .chat-bubble {
  background-image: linear-gradient(120deg, var(--brand-a), var(--brand-b));
  color: #fff;
}

.s-console-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-mut);
}

.s-console-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
  animation: pulse 1.5s ease-in-out infinite;
}

/* ──────────────────────────────────────────────────────────────
   7. TICKER / MARQUEE
   ────────────────────────────────────────────────────────────── */

.s-ticker {
  position: relative;
  padding: 2rem 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
}

.s-ticker-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: ticker 28s linear infinite;
}

.s-ticker:hover .s-ticker-track {
  animation-play-state: paused;
}

.s-ticker-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-mut);
  white-space: nowrap;
}

.s-ticker-item::before {
  content: "◆";
  color: var(--brand-a);
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ──────────────────────────────────────────────────────────────
   8. STATS BAND
   ────────────────────────────────────────────────────────────── */

.s-stats {
  padding: 4rem 0;
  background-color: var(--bg-rise);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.s-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .s-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.s-stat {
  text-align: center;
}

.s-stat-num {
  display: block;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-none);
  margin-bottom: 0.5rem;
  background-image: linear-gradient(120deg, var(--brand-a), var(--brand-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.s-stat-label {
  font-size: var(--text-xs);
  color: var(--text-mut);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

/* ──────────────────────────────────────────────────────────────
   9. SECTIONS - GENERIC
   ────────────────────────────────────────────────────────────── */

.s-section {
  padding: 5rem 0;
  position: relative;
}

.s-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.s-section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--brand-a);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: 0.75rem;
}

.s-section-h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  margin-bottom: 1rem;
}

.s-section-sub {
  font-size: var(--text-lg);
  color: var(--text-mut);
  line-height: var(--leading-relaxed);
}

/* ──────────────────────────────────────────────────────────────
   10. FEATURE SPLIT
   ────────────────────────────────────────────────────────────── */

.s-feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

@media (max-width: 900px) {
  .s-feature-split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.s-feature-visual {
  position: relative;
  padding: 2rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xl);
}

.s-feature-visual::before,
.s-feature-visual::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--brand-a);
  border-style: solid;
  border-width: 0;
}

.s-feature-visual::before {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.s-feature-visual::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.s-feature-h3 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  margin-bottom: 1rem;
}

.s-feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.s-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-mut);
  line-height: var(--leading-relaxed);
}

.s-feature-list li::before {
  content: "→";
  color: var(--brand-a);
  font-weight: 700;
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────────────────────
   11. STEPS
   ────────────────────────────────────────────────────────────── */

.s-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
}

@media (max-width: 900px) {
  .s-steps {
    grid-template-columns: 1fr;
  }
}

.s-step {
  padding: 2rem;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(10px);
  position: relative;
  transition: all var(--duration-300) var(--ease-in-out);
}

.s-step:hover {
  background-color: var(--surface-strong);
  border-color: var(--brand-a);
  transform: translateY(-4px);
}

.s-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background-image: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: 1rem;
}

.s-step-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.s-step-body {
  color: var(--text-mut);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ──────────────────────────────────────────────────────────────
   12. PRICING CARD
   ────────────────────────────────────────────────────────────── */

.s-pricing-card {
  padding: 3rem 2.5rem;
  background-image: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  border-radius: var(--radius-3xl);
  color: #ffffff;
  text-align: center;
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.s-pricing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.s-pricing-card > * {
  position: relative;
  z-index: 1;
}

.s-pricing-amount {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tighter);
  margin-bottom: 0.5rem;
  line-height: var(--leading-none);
}

.s-pricing-currency {
  font-size: 0.5em;
  vertical-align: super;
  margin-right: 0.25rem;
}

.s-pricing-tier {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.s-pricing-body {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  opacity: 0.95;
  margin-bottom: 2rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.s-pricing-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.s-pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  opacity: 0.95;
}

.s-pricing-features li::before {
  content: "✓";
  font-weight: 700;
}

/* White button on gradient */
.btn-on-grad {
  background-color: #ffffff;
  color: var(--brand-a);
  border-color: transparent;
}

.btn-on-grad:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ──────────────────────────────────────────────────────────────
   13. CTA BAND
   ────────────────────────────────────────────────────────────── */

.s-cta-band {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(135deg, var(--brand-a), var(--brand-b), var(--brand-c));
  color: #ffffff;
  text-align: center;
}

.s-cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.s-cta-band > * {
  position: relative;
  z-index: 1;
}

.s-cta-h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tighter);
  margin-bottom: 1rem;
  color: #ffffff;
}

.s-cta-sub {
  font-size: var(--text-lg);
  opacity: 0.95;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.s-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ──────────────────────────────────────────────────────────────
   14. FOOTER
   ────────────────────────────────────────────────────────────── */

.s-footer {
  padding: 4rem 0 2rem;
  background-color: var(--bg-rise);
  border-top: 1px solid var(--border);
}

.s-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .s-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.s-footer-brand {
  max-width: 360px;
}

.s-footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-mut);
  margin-top: 1rem;
  line-height: var(--leading-relaxed);
}

.s-footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.s-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.s-footer-col a {
  font-size: var(--text-sm);
  color: var(--text-mut);
  text-decoration: none;
  transition: color var(--duration-200) var(--ease-in-out);
}

.s-footer-col a:hover {
  color: var(--text);
}

.s-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--text-mut);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ──────────────────────────────────────────────────────────────
   15. ANIMATIONS - REVEAL, COUNT-UP, PARALLAX
   ────────────────────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger via inline delay */
.reveal[data-reveal-delay="1"] { transition-delay: 0.06s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.12s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.18s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.24s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.30s; }
.reveal[data-reveal-delay="6"] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ──────────────────────────────────────────────────────────────
   16. LEGACY - Keep existing marketing classes
   ────────────────────────────────────────────────────────────── */

.hero-title, .hero-sub {
  color: var(--text);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card-soft {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  color: var(--text);
}

.card-soft h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-soft p {
  color: var(--text-mut);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Shared mobile navigation for all public landing pages */
.s-nav-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  background: var(--surface);
  cursor: pointer;
}

.s-nav-menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  margin: 4px 0;
  border-radius: 1px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.s-nav-menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(5.5px) rotate(45deg);
}

.s-nav-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.s-nav-menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-5.5px) rotate(-45deg);
}

@media (max-width: 860px) {
  .s-nav {
    padding: 0.75rem 0;
  }

  .s-nav-inner {
    position: relative;
    flex-wrap: nowrap;
  }

  .s-nav-links {
    position: absolute;
    top: calc(100% + 0.8rem);
    left: 1.5rem;
    right: 1.5rem;
    display: none;
    width: auto;
    margin: 0;
    padding: 0.55rem;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--bg-rise);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.18);
  }

  .s-nav-links.is-open {
    display: flex;
  }

  .s-nav-link {
    padding: 0.75rem 0.9rem;
  }

  .s-nav-menu-toggle {
    display: block;
  }
}