/* ========================================
   mohan.co — Blockbuster Investments LLC
   Premium Corporate Design
   ======================================== */

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

:root {
  --color-bg: #08090d;
  --color-bg-alt: #0c0e14;
  --color-bg-elevated: #10131c;
  --color-surface: #141822;
  --color-surface-hover: #1a1f2e;
  --color-surface-bright: #1e2436;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --color-text: #b4bcd0;
  --color-text-secondary: #8891a5;
  --color-text-tertiary: #5c6478;
  --color-heading: #eef1f6;
  --color-white: #ffffff;

  --color-accent: #7c6aef;
  --color-accent-light: #9d8ff5;
  --color-accent-dim: rgba(124, 106, 239, 0.12);
  --color-accent-glow: rgba(124, 106, 239, 0.25);

  --color-blue: #5b8def;
  --color-blue-dim: rgba(91, 141, 239, 0.12);
  --color-cyan: #45d4c8;
  --color-cyan-dim: rgba(69, 212, 200, 0.12);
  --color-green: #4ade80;
  --color-green-dim: rgba(74, 222, 128, 0.12);
  --color-amber: #f5a623;
  --color-amber-dim: rgba(245, 166, 35, 0.12);
  --color-rose: #f06292;
  --color-rose-dim: rgba(240, 98, 146, 0.12);
  --color-red: #ef5350;
  --color-red-dim: rgba(239, 83, 80, 0.12);

  --gradient-primary: linear-gradient(135deg, #7c6aef 0%, #5b8def 50%, #45d4c8 100%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 106, 239, 0.15) 0%, transparent 60%);
  --gradient-hero-2: radial-gradient(ellipse 60% 40% at 70% 10%, rgba(91, 141, 239, 0.1) 0%, transparent 50%);
  --gradient-hero-3: radial-gradient(ellipse 50% 50% at 30% 20%, rgba(69, 212, 200, 0.06) 0%, transparent 50%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', SFMono-Regular, Consolas, monospace;

  --max-width: 1140px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

::selection {
  background: var(--color-accent);
  color: var(--color-white);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ========================================
   Animated Background Grid
   ======================================== */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 20%, transparent 70%);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 9, 13, 0.7);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s var(--ease);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.03em;
  transition: opacity 0.2s;
  line-height: 1.2;
}

.nav-brand:hover {
  color: var(--color-heading);
  opacity: 0.8;
}

.nav-brand-sub {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  letter-spacing: -0.01em;
}

.nav-links a svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.nav-links a:hover svg,
.nav-links a.active svg {
  opacity: 1;
}

.nav-links a:hover {
  color: var(--color-heading);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  color: var(--color-heading);
  background: rgba(255, 255, 255, 0.07);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   Hero — Home
   ======================================== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    var(--gradient-hero),
    var(--gradient-hero-2),
    var(--gradient-hero-3);
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 106, 239, 0.18) 0%, transparent 70%);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(91, 141, 239, 0.12) 0%, transparent 70%);
  top: -50px;
  right: 10%;
  animation-delay: -4s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(69, 212, 200, 0.08) 0%, transparent 70%);
  top: 0;
  left: 10%;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-15px) scale(1.03); }
  66% { transform: translateY(10px) scale(0.97); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  border-radius: 100px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(124, 106, 239, 0.2);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-accent-glow); }
  50% { opacity: 0.6; box-shadow: 0 0 16px var(--color-accent-glow); }
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  font-weight: 400;
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 2px;
  opacity: 0.6;
}

/* Hero constellation graphic */
.hero-graphic {
  margin-top: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-graphic svg {
  width: 100%;
  height: auto;
}

.hero-graphic text {
  font-family: var(--font-sans);
}

.pulse-ring {
  animation: pulseRing 3s ease-in-out infinite;
}

@keyframes pulseRing {
  0%, 100% { r: 20; opacity: 0.1; }
  50% { r: 28; opacity: 0.2; }
}

.float-dot {
  animation: floatDot 6s ease-in-out infinite;
}

@keyframes floatDot {
  0%, 100% { transform: translateY(0); opacity: 0.3; }
  50% { transform: translateY(-6px); opacity: 0.6; }
}

/* ========================================
   Hero — Sub-pages
   ======================================== */
.page-hero {
  position: relative;
  padding: 140px 0 24px;
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% -10%, var(--page-hero-glow, rgba(124, 106, 239, 0.12)) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.page-hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.page-hero-icon svg {
  width: 28px;
  height: 28px;
}

/* ========================================
   Sections
   ======================================== */
.section {
  position: relative;
  padding: 48px 0;
  z-index: 1;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

.section-alt::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-heading);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.section-label {
  display: block;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-light);
  margin-bottom: 12px;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

/* ========================================
   Home — Business Arm Cards
   ======================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px 30px 32px;
  color: var(--color-text);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.4s var(--ease);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-glow, var(--color-accent)), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -12px rgba(0, 0, 0, 0.5);
  color: var(--color-text);
}

.card:hover::before {
  opacity: 0.5;
}

/* Card illustration (background art) */
.card-illustration {
  margin: -36px -30px 20px;
  padding: 0;
  height: 120px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.01);
}

.card-illustration svg {
  width: 200px;
  height: 120px;
}

.card-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 20px;
  background: var(--card-icon-bg, var(--color-accent-dim));
  border: 1px solid var(--card-icon-border, rgba(124, 106, 239, 0.15));
}

.card-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
}

.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  transition: color 0.2s, gap 0.2s;
}

.card:hover .card-arrow {
  color: var(--color-accent-light);
  gap: 10px;
}

/* Card color variants */
.card--purple { --card-glow: #7c6aef; --card-icon-bg: rgba(124, 106, 239, 0.1); --card-icon-border: rgba(124, 106, 239, 0.15); }
.card--blue { --card-glow: #5b8def; --card-icon-bg: rgba(91, 141, 239, 0.1); --card-icon-border: rgba(91, 141, 239, 0.15); }
.card--cyan { --card-glow: #45d4c8; --card-icon-bg: rgba(69, 212, 200, 0.1); --card-icon-border: rgba(69, 212, 200, 0.15); }

/* ========================================
   Home — Stats
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat {
  text-align: center;
  padding: 36px 16px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s;
}

.stat:hover {
  border-color: var(--color-border-hover);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(124, 106, 239, 0.12);
  margin: 0 auto 16px;
}

.stat-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-light);
}

.stat-number {
  display: block;
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 10px;
  font-weight: 500;
}

/* ========================================
   Content Blocks (Real Estate, About, AI)
   ======================================== */
.content-block {
  margin-bottom: 56px;
}

.content-block:last-child { margin-bottom: 0; }

.content-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.content-block p {
  color: var(--color-text-secondary);
  line-height: 1.85;
  max-width: 780px;
}

/* Feature cards */
.feature-list {
  display: grid;
  gap: 16px;
}

.feature {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: border-color 0.3s;
}

.feature:hover {
  border-color: var(--color-border-hover);
}

.feature h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature p {
  font-size: 0.93rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(124, 106, 239, 0.12);
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Software Page
   ======================================== */
.software-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.software-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.software-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 8px 32px -8px rgba(0, 0, 0, 0.4);
}

.software-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.software-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.software-card-icon svg {
  width: 20px;
  height: 20px;
}

.software-card-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.software-card h3 {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--color-heading);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.software-category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
}

.software-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tags span {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
  letter-spacing: 0.01em;
}

/* Category icon backgrounds */
.cat-realestate { background: var(--color-green-dim); }
.cat-realestate svg { color: var(--color-green); }
.cat-fintech { background: var(--color-blue-dim); }
.cat-fintech svg { color: var(--color-blue); }
.cat-productivity { background: var(--color-accent-dim); }
.cat-productivity svg { color: var(--color-accent-light); }
.cat-iot { background: var(--color-amber-dim); }
.cat-iot svg { color: var(--color-amber); }
.cat-media { background: var(--color-red-dim); }
.cat-media svg { color: var(--color-red); }
.cat-devops { background: var(--color-cyan-dim); }
.cat-devops svg { color: var(--color-cyan); }
.cat-design { background: var(--color-rose-dim); }
.cat-design svg { color: var(--color-rose); }

/* ========================================
   AI Page
   ======================================== */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ai-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 106, 239, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.ai-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 8px 32px -8px rgba(0, 0, 0, 0.4);
}

.ai-card:hover::before { opacity: 1; }

.ai-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--color-accent-dim);
  border: 1px solid rgba(124, 106, 239, 0.12);
  margin-bottom: 18px;
}

.ai-card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-light);
}

.ai-card h3 {
  font-size: 1.1rem;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.ai-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 650;
  color: var(--color-heading);
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

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

.legal-content p {
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  line-height: 1.85;
  font-size: 0.95rem;
}

.legal-content ul {
  color: var(--color-text-secondary);
  margin: 0 0 16px 20px;
  line-height: 1.85;
  font-size: 0.95rem;
}

.legal-content li { margin-bottom: 4px; }

.legal-content a {
  color: var(--color-accent-light);
  border-bottom: 1px solid rgba(124, 106, 239, 0.3);
  transition: border-color 0.2s;
}

.legal-content a:hover {
  border-color: var(--color-accent-light);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  position: relative;
  background: var(--color-bg-alt);
  padding: 64px 0 36px;
  z-index: 1;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h3 {
  font-size: 1rem;
  font-weight: 650;
  color: var(--color-heading);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-col p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 8px; }

.footer-col ul a {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.footer-col ul a:hover { color: var(--color-heading); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
}

/* ========================================
   Technology Showcase
   ======================================== */
.tech-showcase {
  margin-top: 8px;
}

.tech-showcase-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.tech-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
}

.tech-node-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.tech-node-icon svg {
  width: 26px;
  height: 26px;
}

.tech-node:hover .tech-node-icon {
  border-color: var(--color-border-hover);
  box-shadow: 0 0 24px -4px color-mix(in srgb, var(--node-color, var(--color-accent)) 25%, transparent);
}

.tech-node-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: -0.01em;
}

.tech-connector {
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
  flex-shrink: 0;
  margin-top: -20px;
}

/* ========================================
   Animations on scroll (fade-in)
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3.2rem; }
  .card-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .tech-connector { width: 20px; }
  .tech-node { padding: 16px 10px; }
}

@media (max-width: 768px) {
  .hero { padding: 120px 0 72px; }
  .hero h1 { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .page-hero { padding: 110px 0 48px; }
  .page-hero h1 { font-size: 2.2rem; }
  .section { padding: 64px 0; }
  .section-title { font-size: 1.6rem; }
  .software-grid, .ai-grid { grid-template-columns: 1fr; }
  .stat-number { font-size: 2.2rem; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(12, 14, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 12px 20px 16px;
    gap: 2px;
  }

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

  .hero { padding: 100px 0 56px; }
  .hero h1 { font-size: 2rem; }
  .page-hero { padding: 96px 0 36px; }
  .page-hero h1 { font-size: 1.8rem; }
  .section { padding: 48px 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 20px; }
  .hero-graphic { margin-top: 32px; }
  .tech-showcase-row { gap: 0; }
  .tech-connector { display: none; }
  .tech-showcase-row { display: grid; grid-template-columns: repeat(3, 1fr); }
  .tech-node { padding: 12px 8px; }
  .tech-node-icon { width: 48px; height: 48px; }
  .card-illustration { height: 100px; margin: -36px -30px 16px; }
}