/* ============================================
   THE AI AGENT BLUEPRINT — rblurrr.cloud
   Premium dark-first, pure typography + CSS craft
   Zero images. Pure design.
   ============================================ */

/* --- TOKENS --- */
:root {
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    7rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1280px;
}

/* --- DARK (DEFAULT) --- */
:root, [data-theme="dark"] {
  --color-bg: #0a0a0f;
  --color-surface: #111118;
  --color-surface-2: #18181f;
  --color-surface-3: #1e1e28;
  --color-border: rgba(255,255,255,0.06);
  --color-border-hover: rgba(255,255,255,0.12);
  --color-border-glow: rgba(0, 224, 194, 0.15);
  --color-text: #ebebf0;
  --color-text-muted: #8888a0;
  --color-text-faint: #555568;
  --color-accent: #00e0c2;
  --color-accent-hover: #00b89e;
  --color-accent-glow: rgba(0, 224, 194, 0.08);
  --color-accent-glow-strong: rgba(0, 224, 194, 0.2);
  --color-accent-subtle: rgba(0, 224, 194, 0.05);
  --color-gold: #ffc553;
  --color-error: #ff4d6a;
  --color-success: #34d399;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(0, 224, 194, 0.08);
  --dot-color: rgba(255,255,255,0.04);
  --noise-opacity: 0.03;
}

/* --- LIGHT --- */
[data-theme="light"] {
  --color-bg: #f7f7f2;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf7;
  --color-surface-3: #f0efeb;
  --color-border: rgba(0,0,0,0.08);
  --color-border-hover: rgba(0,0,0,0.14);
  --color-border-glow: rgba(0, 150, 130, 0.12);
  --color-text: #1a1a2e;
  --color-text-muted: #5e5e73;
  --color-text-faint: #9b9baa;
  --color-accent: #009688;
  --color-accent-hover: #00796b;
  --color-accent-glow: rgba(0, 150, 136, 0.06);
  --color-accent-glow-strong: rgba(0, 150, 136, 0.12);
  --color-accent-subtle: rgba(0, 150, 136, 0.03);
  --color-gold: #d19900;
  --color-error: #d32f2f;
  --color-success: #2e7d32;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 40px rgba(0, 150, 136, 0.04);
  --dot-color: rgba(0,0,0,0.04);
  --noise-opacity: 0.02;
}

/* --- SUBTLE DOT GRID TEXTURE (global) --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Ensure all content sits above the dot grid */
body > * {
  position: relative;
  z-index: 1;
}

/* --- LAYOUT --- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container-narrow {
  max-width: var(--content-narrow);
}

.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.site-header.header-hidden { transform: translateY(-100%); }
.site-header.header-scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: -0.02em;
}
.logo-dot { color: var(--color-accent); }

.main-nav {
  display: flex;
  gap: var(--space-6);
}
.main-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.main-nav a:hover { color: var(--color-text); }

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

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: 6rem var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav.active { display: flex; }
.mobile-nav-link {
  display: block;
  font-size: var(--text-xl);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  transition: all var(--transition-interactive);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--color-accent);
  color: #0a0a0f;
  font-weight: 700;
  box-shadow: 0 0 24px var(--color-accent-glow-strong);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 30px var(--color-accent-glow-strong);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-border-hover);
  background: var(--color-surface);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent-glow);
  transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(0); }

/* ========================================
   HERO — Pure typography + CSS mesh
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-32) var(--space-6) var(--space-16);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

/* Faint grid pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 20%, transparent 70%);
}

/* Animated gradient mesh glows */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  animation: glow-drift 14s ease-in-out infinite alternate;
  will-change: transform;
}
.hero-glow-1 {
  width: 700px;
  height: 700px;
  background: var(--color-accent);
  top: -25%;
  left: -15%;
  opacity: 0.1;
}
.hero-glow-2 {
  width: 550px;
  height: 550px;
  background: #6366f1;
  bottom: -15%;
  right: -12%;
  opacity: 0.07;
  animation-delay: -7s;
  animation-direction: alternate-reverse;
}

@keyframes glow-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 20px) scale(1.15); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 70% at 50% 50%,
    transparent 0%,
    var(--color-bg) 70%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border: 1px solid rgba(0, 224, 194, 0.12);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-8);
  letter-spacing: 0.04em;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: var(--space-6);
  color: var(--color-text);
  background: linear-gradient(135deg, var(--color-text) 40%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-4);
  line-height: 1.65;
}

.hero-author {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-8);
}
.hero-author strong { color: var(--color-text-muted); }

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-accent);
}
.stat-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ========================================
   SECTIONS — Common
   ======================================== */
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ========================================
   PROBLEM SECTION — with flow diagram
   ======================================== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.problem-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
}
.problem-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.problem-text p strong { color: var(--color-text); }

.problem-callout {
  display: flex;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.problem-callout strong { color: var(--color-accent); }
.callout-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: var(--space-1);
}

/* CSS-only flow diagram */
.problem-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flow-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 320px;
  position: relative;
}

/* Subtle glow behind the diagram */
.flow-diagram::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, rgba(0,224,194,0.06), transparent 50%, rgba(99,102,241,0.04));
  z-index: -1;
  filter: blur(0px);
}

.flow-node {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.flow-node svg {
  flex-shrink: 0;
  color: var(--color-accent);
  width: 20px;
  height: 20px;
}
.flow-node:hover {
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-glow);
}

.flow-node-ai {
  border-color: rgba(0,224,194,0.15);
  background: var(--color-accent-subtle);
}
.flow-node-ai span {
  color: var(--color-accent);
  font-weight: 600;
}

.flow-node-revenue {
  border-color: rgba(0,224,194,0.15);
}
.flow-node-revenue span { color: var(--color-accent); font-weight: 600; }

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  opacity: 0.5;
}
.flow-arrow svg {
  width: 18px;
  height: 18px;
}

/* ========================================
   FEATURES
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}
.feature-highlight {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border-color: rgba(0,224,194,0.1);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border: 1px solid rgba(0,224,194,0.1);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.feature-highlight .feature-icon { margin-bottom: 0; }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.feature-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.section-how {
  position: relative;
}

.how-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
}
.how-step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  padding: var(--space-6) 0;
  width: 100%;
}
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.2;
  flex-shrink: 0;
  line-height: 1;
  min-width: 60px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.step-content p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}
.how-connector {
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  opacity: 0.2;
}

/* ========================================
   IMPACT STATEMENT (replaces image break)
   ======================================== */
.section-impact {
  padding: var(--space-24) 0;
  position: relative;
  overflow: hidden;
}

/* Subtle gradient divider */
.section-impact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    var(--color-surface) 30%,
    var(--color-surface) 70%,
    var(--color-bg) 100%
  );
}

.impact-inner {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
}

.impact-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-6);
}

.impact-stat {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.impact-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.impact-unit {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-faint);
}

.impact-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

/* ========================================
   MODULES
   ======================================== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.module-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}
.module-card:hover::before { opacity: 1; }

.module-num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  letter-spacing: 0.05em;
}
.module-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.module-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

/* ========================================
   PROOF / STATS
   ======================================== */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.proof-card {
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-4);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.proof-card:hover {
  border-color: var(--color-border-hover);
}
.proof-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.proof-suffix {
  font-size: var(--text-lg);
  font-weight: 700;
}
.proof-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.proof-bottom {
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  max-width: 700px;
  margin: 0 auto;
}
.proof-bottom p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: none;
}
.proof-bottom strong { color: var(--color-accent); }

/* ========================================
   PRICING
   ======================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-featured {
  border-color: rgba(0,224,194,0.25);
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
  z-index: 1;
}
.pricing-featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #0a0a0f;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.pricing-price {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.price-old {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-decoration: line-through;
  margin-bottom: var(--space-1);
}
.price-current {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.02em;
}
.price-period {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-left: var(--space-2);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}
.pricing-features li svg {
  flex-shrink: 0;
  color: var(--color-success);
}
.pricing-features li.feature-disabled {
  opacity: 0.35;
}
.pricing-features li.feature-disabled svg {
  color: var(--color-text-faint);
}

.pricing-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-top: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   GUARANTEE
   ======================================== */
.section-guarantee {
  padding: var(--space-12) 0;
}
.guarantee-box {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid rgba(0,224,194,0.12);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}
.guarantee-icon {
  flex-shrink: 0;
  color: var(--color-accent);
}
.guarantee-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.guarantee-text p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

/* ========================================
   FAQ
   ======================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.faq-item[open] {
  border-color: rgba(0,224,194,0.2);
}
.faq-item summary {
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: var(--text-lg);
  color: var(--color-accent);
  font-weight: 300;
  transition: transform 0.3s var(--ease-out);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item p {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: none;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.section-contact {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
}

.contact-wrapper {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact-content {
  margin-bottom: var(--space-10);
}
.contact-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}
.contact-content p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-interactive);
}
.contact-card:hover {
  border-color: rgba(0,224,194,0.25);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-2px);
}
.contact-card:active {
  transform: translateY(0);
}

.contact-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--color-accent-glow);
  border: 1px solid rgba(0,224,194,0.1);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
}

.contact-detail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  flex: 1;
  min-width: 0;
}
.contact-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-value {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  word-break: break-all;
}

.contact-arrow {
  flex-shrink: 0;
  color: var(--color-text-faint);
  transition: color var(--transition-interactive), transform var(--transition-interactive);
}
.contact-card:hover .contact-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

.contact-note {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  line-height: 1.6;
}

/* ========================================
   FINAL CTA
   ======================================== */
.section-final-cta {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
  position: relative;
}

/* Subtle gradient background for final CTA */
.section-final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 50%, var(--color-bg) 100%);
}

.final-cta-content {
  position: relative;
  text-align: center;
  max-width: 650px;
  margin: 0 auto;
}
.final-cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}
.final-cta-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: none;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
}
.footer-brand p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.footer-links {
  display: flex;
  gap: var(--space-6);
}
.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-text); }
.footer-attrib a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}
.footer-attrib a:hover { color: var(--color-text-muted); }

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.fade-in { opacity: 1; }

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-highlight { grid-column: 1 / -1; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
  .pricing-featured { transform: none; }
  .pricing-featured:hover { transform: translateY(-4px); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav, .header-actions .btn { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero { min-height: 90vh; padding-top: 6rem; }
  .hero h1 { font-size: var(--text-3xl); }
  .hero-stats { gap: var(--space-6); }
  .stat-divider { display: none; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 300px; }

  .problem-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .problem-visual { order: -1; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-highlight { grid-template-columns: 1fr; }

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

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

  .guarantee-box { flex-direction: column; text-align: center; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }

  .impact-number { font-size: var(--text-2xl); }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: var(--space-4); }
  .proof-grid { grid-template-columns: 1fr; }

  .contact-card {
    padding: var(--space-4) var(--space-5);
  }
  .contact-icon {
    width: 48px;
    height: 48px;
  }
  .contact-value {
    font-size: var(--text-base);
  }
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .hero-glow { animation: none; }
}