/* ========================================
   CubicZo — Main Stylesheet
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --brand-primary: #2563eb;
  --brand-primary-light: #3b82f6;
  --brand-primary-dark: #1d4ed8;
  --brand-secondary: #06b6d4;
  --brand-secondary-light: #22d3ee;
  --brand-accent: #f97316;
  --brand-accent-light: #fb923c;
  --brand-success: #10b981;
  --brand-danger: #ef4444;
  --brand-dark: #0f172a;

  /* Neutrals */
  --neutral-50: #F9FAFB;
  --neutral-100: #F3F4F6;
  --neutral-200: #E5E7EB;
  --neutral-300: #D1D5DB;
  --neutral-400: #9CA3AF;
  --neutral-500: #6B7280;
  --neutral-600: #4B5563;
  --neutral-700: #374151;
  --neutral-800: #1F2937;
  --neutral-900: #0f172a;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #8b5cf6 0%, #6366f1 40%, #3b82f6 100%);
  --gradient-brand-subtle: linear-gradient(135deg, rgba(139,92,246,0.06) 0%, rgba(99,102,241,0.06) 40%, rgba(59,130,246,0.06) 100%);
  --gradient-hero: linear-gradient(135deg, #f5f3ff 0%, #ffffff 40%, #f0fdfa 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(249,250,251,0.95) 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 80px 0;
  --container-max: 1200px;
  --container-wide: 1400px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-header: 1000;
  --z-dropdown: 1100;
  --z-overlay: 1200;
  --z-modal: 1300;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--neutral-700);
  background: #FAFBFE;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--neutral-900);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

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

.container-wide {
  max-width: var(--container-wide);
}

/* ---------- Section ---------- */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-alt {
  background: var(--neutral-50);
}

.section-dark {
  background: var(--neutral-900);
  color: #fff;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark p {
  color: rgba(255,255,255,0.7);
}

.section-brand {
  background: var(--gradient-brand-subtle);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-header .badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37,99,235,0.08);
  color: var(--brand-primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header p {
  margin-top: 16px;
  font-size: 1.1rem;
  color: var(--neutral-500);
}

.section-dark .section-header p {
  color: rgba(255,255,255,0.7);
}

/* ---------- Typography Utilities ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: 1.15rem;
  color: var(--neutral-500);
  line-height: 1.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  background-size: 200% 200%;
  color: #fff;
  position: relative;
  box-shadow: 0 4px 14px rgba(99,102,241,0.35);
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.35) 45%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}

.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 8px 22px rgba(99,102,241,0.45);
}

.btn-primary:hover::before {
  transform: translateX(120%);
}

.btn-secondary {
  background: var(--neutral-100);
  color: var(--neutral-700);
}

.btn-secondary:hover {
  background: var(--neutral-200);
  transform: translateY(-1px);
  color: var(--neutral-800);
}

.btn-outline {
  border: 1.5px solid var(--neutral-300);
  color: var(--neutral-700);
  background: #fff;
}

.btn-outline:hover {
  border-color: var(--neutral-400);
  background: var(--neutral-50);
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--neutral-900);
}

.btn-white:hover {
  background: var(--neutral-100);
  transform: translateY(-1px);
  color: var(--neutral-900);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 16px 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  transition: padding var(--transition-base);
}

.logo-full-img {
  height: 72px;
  width: auto;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}

.header.scrolled .logo-chip {
  padding: 2px 6px;
}

.header.scrolled .logo-full-img {
  height: 56px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  position: relative;
  padding: 8px 16px;
  color: var(--neutral-600);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--neutral-900);
  background: var(--neutral-100);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.header-cta {
  margin-left: 16px;
}

.header-cta .btn {
  border: none;
  background: var(--gradient-brand);
  background-size: 200% 200%;
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(99,102,241,0.3);
}

.header-cta .btn:hover {
  background-position: 100% 50%;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(99,102,241,0.4);
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--neutral-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(139,92,246,0.22) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 9s ease-in-out infinite;
}

.hero .container {
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.18) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 7s ease-in-out infinite;
  animation-delay: 1.5s;
}

.hero .container::after {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero .badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.12);
  color: var(--brand-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.hero h1 {
  color: var(--neutral-900);
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--neutral-600);
  font-size: 1.2rem;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: var(--neutral-900);
  color: #fff;
}

.hero .btn-primary:hover {
  background: var(--neutral-800);
  transform: translateY(-1px);
  color: #fff;
}

.hero .btn-outline {
  border-color: var(--neutral-300);
  color: var(--neutral-700);
  background: transparent;
}

.hero .btn-outline:hover {
  border-color: var(--neutral-400);
  background: var(--neutral-50);
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.hero-stat {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.hero-stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--neutral-900);
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--neutral-500);
  margin-top: 4px;
}

/* ---------- Feature Cards / Grid ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  padding: 36px;
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(99,102,241,0.35);
  box-shadow: 0 12px 28px -8px rgba(99,102,241,0.22), var(--shadow-md);
  transform: translateY(-6px);
}

.card-icon {
  transition: transform var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(-4deg);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.card-icon.brand {
  background: rgba(37,99,235,0.08);
  color: var(--brand-primary);
}

.card-icon.cyan {
  background: rgba(6,182,212,0.08);
  color: var(--brand-secondary);
}

.card-icon.amber {
  background: rgba(245,158,11,0.08);
  color: var(--brand-accent);
}

.card-icon.green {
  background: rgba(16,185,129,0.08);
  color: var(--brand-success);
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  color: var(--neutral-500);
  font-size: 0.95rem;
}

/* Product Card */
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card:hover {
  border-color: rgba(37,99,235,0.15);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.product-card-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-brand-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-body {
  padding: 28px;
}

.product-card-body h3 {
  margin-bottom: 8px;
}

.product-card-body .product-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-tag.live {
  background: rgba(16,185,129,0.1);
  color: var(--brand-success);
}

.product-tag.development {
  background: rgba(245,158,11,0.1);
  color: var(--brand-accent);
}

.product-tag.planned {
  background: rgba(37,99,235,0.1);
  color: var(--brand-primary);
}

.product-card-body p {
  color: var(--neutral-500);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

.product-card-actions {
  display: flex;
  gap: 12px;
}

/* ---------- Roadmap ---------- */
.roadmap {
  position: relative;
}

.roadmap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--neutral-200);
  transform: translateX(-50%);
}

.roadmap-item {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 60px;
  position: relative;
}

.roadmap-item:nth-child(even) {
  flex-direction: row-reverse;
}

.roadmap-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 3px solid #fff;
  box-shadow: var(--shadow-md);
  transform: translateX(-50%);
  z-index: 1;
}

.roadmap-content {
  flex: 1;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.roadmap-content h4 {
  margin-bottom: 8px;
}

.roadmap-content p {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

.roadmap-year {
  flex: 1;
  text-align: center;
  padding-top: 4px;
}

.roadmap-year h3 {
  color: var(--brand-primary);
  font-size: 1.3rem;
}

/* ---------- FAQ ---------- */
.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-100);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-weight: 600;
  color: var(--neutral-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--brand-primary);
}

.faq-question .faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-question .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--neutral-500);
  line-height: 1.7;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 80px 48px;
  background: var(--neutral-900);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin: 0 auto;
  max-width: var(--container-max);
}

.cta-section::before {
  display: none;
}

.cta-section .badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.2);
  color: #a5b4fc;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  position: relative;
}

.cta-section p {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 32px;
  position: relative;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.cta-section .btn-white {
  background: #fff;
  color: var(--neutral-900);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.cta-section .btn-outline {
  border: 1.5px solid rgba(255,255,255,0.25);
  color: #fff;
  background: transparent;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.cta-section .btn-outline:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

/* ---------- Footer ---------- */
.footer {
  background: #fff;
  color: var(--neutral-600);
  padding: 60px 0 40px;
  border-top: 1px solid var(--neutral-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer h4 {
  color: var(--neutral-900);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul a {
  color: var(--neutral-500);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer ul a:hover {
  color: var(--neutral-900);
}

.footer-bottom {
  border-top: 1px solid var(--neutral-200);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--neutral-400);
}

.footer-bottom a:hover {
  color: var(--neutral-700);
}

/* ---------- Contact Form ---------- */
.contact-form-wrapper {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-100);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--neutral-700);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--neutral-700);
  background: var(--neutral-50);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--brand-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-status {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  margin-top: 16px;
  font-weight: 500;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16,185,129,0.1);
  color: var(--brand-success);
}

.form-status.error {
  display: block;
  background: rgba(239,68,68,0.1);
  color: var(--brand-danger);
}

/* ---------- Page Hero (Inner Pages) ---------- */
.page-hero {
  background: var(--gradient-hero);
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  color: var(--neutral-900);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  color: var(--neutral-600);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ---------- Product Detail Page ---------- */
.product-hero {
  padding: 140px 0 60px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.product-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.product-hero-content h1 {
  color: var(--neutral-900);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.product-hero-content p {
  color: var(--neutral-600);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.product-hero-visual {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.product-hero-visual img {
  width: 100%;
  height: auto;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--neutral-700);
  font-size: 0.95rem;
}

.feature-list-item .check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  color: var(--brand-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Feature Highlight */
.feature-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
}

.feature-highlight.reverse {
  direction: rtl;
}

.feature-highlight.reverse > * {
  direction: ltr;
}

.feature-highlight-content h2 {
  margin-bottom: 16px;
}

.feature-highlight-content p {
  color: var(--neutral-500);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-highlight-visual {
  background: var(--gradient-brand-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-highlight-visual img {
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* ---------- Status Badges ---------- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.status-badge.live {
  background: rgba(16,185,129,0.1);
  color: var(--brand-success);
}

.status-badge.live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-success);
  animation: pulse-dot 2s infinite;
}

.status-badge.development {
  background: rgba(245,158,11,0.1);
  color: var(--brand-accent);
}

.status-badge.planned {
  background: rgba(37,99,235,0.1);
  color: var(--brand-primary);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- Screenshot Section ---------- */
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.screenshot-item {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  overflow: hidden;
  transition: all var(--transition-base);
}

.screenshot-item:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.screenshot-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.screenshot-placeholder {
  width: 100%;
  height: 220px;
  background: var(--gradient-brand-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

/* ---------- 404 ---------- */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--gradient-hero);
  padding: 40px;
}

.page-404 h1 {
  font-size: 8rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 16px;
}

.page-404 h2 {
  color: var(--neutral-900);
  margin-bottom: 16px;
}

.page-404 p {
  color: var(--neutral-600);
  margin-bottom: 36px;
}

/* ---------- Scroll animations ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-left"] {
  transform: translateX(-30px);
}

[data-animate="fade-left"].visible {
  transform: translateX(0);
}

[data-animate="fade-right"] {
  transform: translateX(30px);
}

[data-animate="fade-right"].visible {
  transform: translateX(0);
}

/* Placeholder for images */
.img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  background: var(--gradient-brand-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 3rem;
}

/* Technology stack icons */
.tech-stack {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.tech-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.tech-icon:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.tech-item span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

/* Platform modules */
.module-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  padding: 32px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.module-card:hover {
  border-color: rgba(37,99,235,0.15);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.module-card .module-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 20px;
}

.module-card h3 {
  margin-bottom: 8px;
}

.module-card p {
  color: var(--neutral-500);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.module-status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.module-status.dev {
  background: rgba(245,158,11,0.1);
  color: var(--brand-accent);
}

.module-status.planned {
  background: rgba(37,99,235,0.08);
  color: var(--brand-primary);
}

/* Architecture diagram */
.arch-diagram {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-100);
  padding: 48px;
  margin-top: 48px;
}

.arch-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.arch-box {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  min-width: 120px;
}

.arch-box.primary {
  background: var(--brand-primary);
  color: #fff;
}

.arch-box.secondary {
  background: var(--brand-secondary);
  color: #fff;
}

.arch-box.accent {
  background: var(--brand-accent);
  color: #fff;
}

.arch-box.neutral {
  background: var(--neutral-100);
  color: var(--neutral-700);
}

.arch-arrow {
  text-align: center;
  color: var(--neutral-300);
  font-size: 1.2rem;
  margin: 8px 0;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  padding: 60px 0;
}

.stat-item h3 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.stat-item p {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

/* Benefits list */
.benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.benefit-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(37,99,235,0.08);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.benefit-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.benefit-item p {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

/* Testimonial */
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  padding: 32px;
}

.testimonial-card .stars {
  color: var(--brand-accent);
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.testimonial-card p {
  color: var(--neutral-600);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
}

.testimonial-author .name {
  font-weight: 600;
  color: var(--neutral-800);
  font-size: 0.9rem;
}

.testimonial-author .role {
  color: var(--neutral-400);
  font-size: 0.8rem;
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-100);
}

.comparison-table th {
  padding: 16px 20px;
  text-align: left;
  background: var(--neutral-50);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--neutral-600);
  border-bottom: 1px solid var(--neutral-100);
}

.comparison-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--neutral-50);
  font-size: 0.9rem;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .highlight-col {
  background: rgba(37,99,235,0.04);
}

/* Install steps */
.install-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.install-step {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  padding: 32px;
}

.install-step .step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.install-step h4 {
  margin-bottom: 8px;
}

.install-step p {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

/* Future plans */
.plan-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  padding: 28px;
  position: relative;
}

.plan-card::before {
  content: 'PLANNED';
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--brand-primary);
  background: rgba(37,99,235,0.08);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.plan-card h4 {
  margin-bottom: 8px;
}

.plan-card p {
  color: var(--neutral-500);
  font-size: 0.9rem;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--brand-primary-dark);
  transform: translateY(-4px);
  color: #fff;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* ---------- Footer Logo ---------- */
.footer-logo-link {
  display: block;
  margin-bottom: 16px;
}

.footer-logo-img {
  max-width: 200px;
  height: auto;
  display: block;
}

.footer-logo-chip {
  padding: 0;
}

.footer-logo-img:hover {
  opacity: 1;
}

/* ---------- Legal Content ---------- */
.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--neutral-100);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--neutral-800);
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-content p {
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.legal-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content ul li {
  list-style: disc;
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.legal-content strong {
  color: var(--neutral-800);
}

.legal-content a {
  color: var(--brand-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--brand-primary-dark);
}

/* ---------- Product Hero Buttons Fix ---------- */
.product-hero-content .btn-outline {
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.product-hero-content .btn-outline:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.12);
  color: #fff;
}