/* ============================================================
   STYLES.CSS — Portfolio Showcase Website
   Author: Web Agency Tahiti
   Description: Full stylesheet for the bilingual showcase site
   ============================================================ */

/* ── 1. CSS CUSTOM PROPERTIES (Design Tokens) ─────────────── */
:root {
  --clr-bg:        #050a14;
  --clr-surface:   #0d1a2e;
  --clr-card:      #111e33;
  --clr-border:    rgba(0, 200, 255, 0.15);
  --clr-primary:   #00c8ff;
  --clr-secondary: #ff6b35;
  --clr-accent:    #00ffaa;
  --clr-gold:      #ffd700;
  --clr-text:      #e8f4f8;
  --clr-muted:     #7a9bb5;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius-sm:  6px;
  --radius-md:  14px;
  --radius-lg:  28px;
  --radius-xl:  50px;

  --shadow-glow:   0 0 30px rgba(0, 200, 255, 0.25);
  --shadow-card:   0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-deep:   0 20px 80px rgba(0, 0, 0, 0.7);

  --transition-fast:   0.2s ease;
  --transition-med:    0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow:   0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 2. RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none; /* custom cursor active */
}

/* ── 3. CUSTOM CURSOR ─────────────────────────────────────── */
#cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--clr-primary);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, background 0.3s;
}

#cursor-ring {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(0, 200, 255, 0.5);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.3s, height 0.3s, border-color 0.3s;
}

body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring {
  width: 56px;
  height: 56px;
  border-color: var(--clr-secondary);
}

/* ── 4. SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-accent));
  border-radius: 3px;
}

/* ── 5. NOISE TEXTURE OVERLAY ─────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}

/* ── 6. NAVIGATION ────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 10, 20, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: padding var(--transition-fast);
}

nav.scrolled {
  padding: 12px 40px;
  background: rgba(5, 10, 20, 0.95);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--clr-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-primary);
  transition: width var(--transition-med);
}

.nav-links a:hover { color: var(--clr-primary); }
.nav-links a:hover::after { width: 100%; }

/* Language toggle button */
.lang-btn {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-bg);
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  letter-spacing: 0.5px;
}

.lang-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 200, 255, 0.4);
}

/* ── 7. HERO SECTION ──────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

/* Animated gradient mesh background */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(0,200,255,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(0,255,170,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 0%, rgba(255,107,53,0.06) 0%, transparent 50%);
  animation: meshPulse 8s ease-in-out infinite alternate;
}

@keyframes meshPulse {
  0%   { opacity: 0.8; transform: scale(1); }
  100% { opacity: 1;   transform: scale(1.05); }
}

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: orbFloat linear infinite;
  pointer-events: none;
}

.orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,200,255,0.15), transparent 70%);
  top: -100px; left: -100px;
  animation-duration: 20s;
}

.orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,255,170,0.12), transparent 70%);
  bottom: -50px; right: 10%;
  animation-duration: 25s;
  animation-delay: -8s;
}

.orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,107,53,0.1), transparent 70%);
  top: 40%; right: -50px;
  animation-duration: 18s;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25%       { transform: translate(20px, -30px) rotate(90deg); }
  50%       { transform: translate(-10px, 20px) rotate(180deg); }
  75%       { transform: translate(30px, 10px) rotate(270deg); }
}

/* Grid lines background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 200, 255, 0.1);
  border: 1px solid rgba(0, 200, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.8s var(--transition-slow) both;
  position: relative;
  z-index: 2;
}

.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,170,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(0,255,170,0); }
}

/* Hero headline */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  animation: fadeSlideUp 0.8s 0.2s var(--transition-slow) both;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 50%, var(--clr-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--clr-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  position: relative;
  z-index: 2;
  animation: fadeSlideUp 0.8s 0.4s var(--transition-slow) both;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 2;
  animation: fadeSlideUp 0.8s 0.6s var(--transition-slow) both;
}

/* Primary CTA button */
.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-bg);
  border: none;
  padding: 16px 36px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 200, 255, 0.5);
}

.btn-primary:hover::after { opacity: 1; }

/* Secondary outline button */
.btn-secondary {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 16px 36px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(0, 200, 255, 0.08);
  transform: translateY(-3px);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
  animation: fadeSlideUp 1s 1s both;
}

.scroll-indicator .mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 11px;
  position: relative;
}

.scroll-indicator .mouse::after {
  content: '';
  width: 4px; height: 8px;
  background: var(--clr-primary);
  border-radius: 2px;
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80%       { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ── 8. SECTION COMMON STYLES ─────────────────────────────── */
section {
  padding: 100px 40px;
  position: relative;
  z-index: 2;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--clr-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.8;
}

.section-header {
  margin-bottom: 60px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Fade-in animation on scroll */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 9. STATS TICKER ──────────────────────────────────────── */
#stats-ticker {
  padding: 0;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent), var(--clr-secondary), var(--clr-primary));
  background-size: 200% 100%;
  animation: tickerGradient 6s linear infinite;
  overflow: hidden;
}

@keyframes tickerGradient {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.ticker-track {
  display: flex;
  animation: tickerScroll 30s linear infinite;
  white-space: nowrap;
}

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

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

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 40px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--clr-bg);
}

.ticker-sep {
  color: rgba(5,10,20,0.4);
  font-size: 1.2rem;
}

/* ── 10. EFFECTS SHOWCASE ─────────────────────────────────── */
#effects {
  background: radial-gradient(ellipse at 50% 0%, rgba(0,200,255,0.04) 0%, transparent 70%);
}

.effects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.effect-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  cursor: pointer;
}

.effect-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border-color: rgba(0, 200, 255, 0.4);
}

.effect-demo {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.effect-info {
  padding: 20px 24px;
  border-top: 1px solid var(--clr-border);
}

.effect-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.effect-desc {
  color: var(--clr-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ─ Effect 1: Parallax / Glitch ─────────────── */
.demo-glitch {
  background: var(--clr-surface);
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--clr-primary);
  text-shadow: 2px 0 var(--clr-secondary), -2px 0 var(--clr-accent);
  letter-spacing: 4px;
}

.effect-card:hover .demo-glitch {
  animation: glitch 0.4s steps(2, jump-none) infinite;
}

@keyframes glitch {
  0%   { text-shadow:  3px 0 var(--clr-secondary), -3px 0 var(--clr-accent); clip-path: inset(10% 0 85% 0); }
  25%  { text-shadow: -3px 0 var(--clr-secondary),  3px 0 var(--clr-accent); clip-path: inset(60% 0 10% 0); }
  50%  { text-shadow:  3px 2px var(--clr-secondary), -3px -2px var(--clr-accent); clip-path: inset(30% 0 50% 0); }
  75%  { text-shadow: -2px 0 var(--clr-secondary),  2px 0 var(--clr-accent); clip-path: inset(80% 0 5% 0); }
  100% { text-shadow:  3px 0 var(--clr-secondary), -3px 0 var(--clr-accent); clip-path: inset(10% 0 85% 0); }
}

/* ─ Effect 2: Particle stars ─────────────────── */
.demo-particles {
  background: #000;
  position: relative;
}

.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: starTwinkle ease-in-out infinite alternate;
}

@keyframes starTwinkle {
  0%   { opacity: 0.2; transform: scale(0.8); }
  100% { opacity: 1;   transform: scale(1.3); }
}

/* ─ Effect 3: Neon gradient text ─────────────── */
.demo-neon {
  background: #000;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #ff006e, #8338ec, #3a86ff, #06ffa5);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: neonShift 3s ease-in-out infinite alternate;
}

@keyframes neonShift {
  0%   { background-position: 0% 50%;   filter: brightness(1); }
  100% { background-position: 100% 50%; filter: brightness(1.4) drop-shadow(0 0 8px rgba(6,255,165,0.5)); }
}

/* ─ Effect 4: 3D card flip ───────────────────── */
.demo-flip {
  background: linear-gradient(135deg, var(--clr-surface), var(--clr-card));
  perspective: 800px;
}

.flip-inner {
  width: 140px; height: 90px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-md);
}

.effect-card:hover .flip-inner {
  transform: rotateY(180deg);
}

.flip-front, .flip-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  backface-visibility: hidden;
}

.flip-front {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-bg);
}

.flip-back {
  background: linear-gradient(135deg, var(--clr-secondary), #ff006e);
  color: white;
  transform: rotateY(180deg);
}

/* ─ Effect 5: Typewriter ─────────────────────── */
.demo-typewriter {
  background: var(--clr-surface);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--clr-accent);
  padding: 0 24px;
  text-align: center;
}

.typewriter-line {
  display: inline-block;
  border-right: 3px solid var(--clr-accent);
  animation: typing 4s steps(30) infinite, blink 0.7s step-end infinite;
  overflow: hidden;
  white-space: nowrap;
  max-width: 100%;
}

@keyframes typing {
  0%          { width: 0; }
  40%, 60%    { width: 100%; }
  90%, 100%   { width: 0; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

/* ─ Effect 6: Morphing shapes ────────────────── */
.demo-morph {
  background: radial-gradient(circle at 50% 50%, #0d1a2e, #050a14);
}

.morph-blob {
  width: 120px; height: 120px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  animation: morphBlob 6s ease-in-out infinite;
}

@keyframes morphBlob {
  0%   { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25%  { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50%  { border-radius: 50% 60% 30% 60% / 30% 70% 40% 60%; }
  75%  { border-radius: 60% 40% 60% 40% / 70% 30% 60% 40%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

/* ─ Effect 7: Hover parallax tilt ────────────── */
.demo-tilt {
  background: linear-gradient(135deg, #0d1a2e, #111e33);
  perspective: 600px;
  overflow: hidden;
}

.tilt-card {
  width: 160px; height: 100px;
  background: linear-gradient(135deg, rgba(0,200,255,0.15), rgba(0,255,170,0.1));
  border: 1px solid rgba(0,200,255,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: transform 0.15s ease;
}

/* ─ Effect 8: Animated gradient border ───────── */
.demo-gradient-border {
  background: var(--clr-surface);
}

.glow-box {
  width: 160px; height: 80px;
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--clr-text);
  background: var(--clr-card);
}

.glow-box::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(0deg, var(--clr-primary), var(--clr-accent), var(--clr-secondary), var(--clr-primary));
  background-size: 100% 400%;
  z-index: -1;
  animation: borderSpin 3s linear infinite;
}

@keyframes borderSpin {
  0%   { background-position: 0% 0%; }
  100% { background-position: 0% 400%; }
}

/* ─ Effect 9: Ripple click ───────────────────── */
.demo-ripple {
  background: var(--clr-surface);
  cursor: pointer;
}

.ripple-btn {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-bg);
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.ripple-btn .ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ─ Effect 10: Infinite scroll marquee ───────── */
.demo-marquee {
  background: var(--clr-surface);
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  animation: marqueeScroll 12s linear infinite;
}

.marquee-track.reverse {
  animation-direction: reverse;
  animation-duration: 16s;
}

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

.marquee-item {
  padding: 6px 16px;
  margin: 0 6px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--clr-muted);
  background: rgba(0,200,255,0.05);
  flex-shrink: 0;
}

/* ─ Effect 11: Count-up numbers ─────────────── */
.demo-counter {
  background: linear-gradient(135deg, #050a14, #0d1a2e);
  flex-direction: column;
  gap: 4px;
}

.counter-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.counter-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ─ Effect 12: Dark/Light mode toggle ────────── */
.demo-toggle {
  background: var(--clr-surface);
  gap: 20px;
}

.mode-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--clr-text);
}

.toggle-switch {
  width: 52px; height: 28px;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-switch.active {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
}

.toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: white;
  top: 3px; left: 3px;
  transition: transform var(--transition-med);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.toggle-switch.active::after {
  transform: translateX(24px);
}

/* ── 11. PROCESS / SERVICES ───────────────────────────────── */
#services {
  background: radial-gradient(ellipse at 80% 50%, rgba(0,255,170,0.04) 0%, transparent 60%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(0,200,255,0.08), transparent 70%);
  transition: opacity var(--transition-med);
  opacity: 0;
}

.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: rgba(0,200,255,0.3); }
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(0,200,255,0.15), rgba(0,255,170,0.1));
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-desc {
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── 12. TESTIMONIAL CAROUSEL ─────────────────────────────── */
#testimonials {
  background: var(--clr-surface);
  overflow: hidden;
}

.testimonial-track-wrapper {
  overflow: hidden;
  margin: 0 -40px;
}

.testimonial-track {
  display: flex;
  gap: 24px;
  padding: 10px 40px;
  animation: testimonialScroll 40s linear infinite;
}

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

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

.testimonial-card {
  flex-shrink: 0;
  width: 340px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.testimonial-quote {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--clr-text);
  margin-bottom: 20px;
  font-style: italic;
}

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

.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-bg);
  flex-shrink: 0;
}

.author-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.author-role {
  font-size: 0.8rem;
  color: var(--clr-muted);
}

.stars {
  color: var(--clr-gold);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

/* ── 13. INTERACTIVE DEMO ─────────────────────────────────── */
#interactive {
  background: radial-gradient(ellipse at 20% 80%, rgba(255,107,53,0.05) 0%, transparent 60%);
}

.interactive-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.color-playground {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.color-playground h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.palette-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.palette-swatch {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 2px solid transparent;
}

.palette-swatch:hover, .palette-swatch.active {
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  border-color: white;
}

.preview-box {
  height: 100px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  transition: background var(--transition-med);
  margin-top: 16px;
  color: white;
}

/* ── 14. PRICING SECTION ──────────────────────────────────── */
#pricing {
  background: radial-gradient(ellipse at 50% 100%, rgba(0,200,255,0.06) 0%, transparent 60%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.pricing-card.featured {
  border-color: var(--clr-primary);
  background: linear-gradient(180deg, rgba(0,200,255,0.08) 0%, var(--clr-card) 100%);
  box-shadow: 0 0 50px rgba(0,200,255,0.15);
}

.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-bg);
  padding: 4px 18px;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 8px;
}

.pricing-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--clr-text);
}

.price-currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-muted);
}

.price-period {
  font-size: 0.85rem;
  color: var(--clr-muted);
}

.pricing-note {
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-bottom: 24px;
}

.pricing-divider {
  height: 1px;
  background: var(--clr-border);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--clr-muted);
}

.pricing-features li .check {
  color: var(--clr-accent);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-features li .cross {
  color: rgba(255,255,255,0.2);
  font-size: 1rem;
  flex-shrink: 0;
}

.pricing-features li.included { color: var(--clr-text); }

/* ── 15. CONTACT SECTION ──────────────────────────────────── */
#contact {
  background: var(--clr-surface);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-muted);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--clr-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.12);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group select option { background: var(--clr-card); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── 16. FOOTER ───────────────────────────────────────────── */
footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: 60px 40px 32px;
  position: relative;
  z-index: 2;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-desc {
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: var(--clr-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  cursor: pointer;
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--clr-border);
  font-size: 0.82rem;
  color: var(--clr-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px; height: 36px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--clr-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.social-link:hover {
  background: rgba(0,200,255,0.1);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

/* ── 17. MOBILE HAMBURGER ─────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* ── 18. RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .interactive-wrapper { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  section { padding: 70px 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  #cursor-dot, #cursor-ring { display: none; }
  body { cursor: auto; }
}

/* ── 19. LOADING SCREEN ───────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--clr-bg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity 0.5s, visibility 0.5s;
}

#loader.hidden { opacity: 0; visibility: hidden; }

.loader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: loaderPulse 1s ease-in-out infinite alternate;
}

@keyframes loaderPulse {
  0%   { opacity: 0.6; }
  100% { opacity: 1; }
}

.loader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 2px;
  animation: loaderFill 1.4s ease-in-out forwards;
}

@keyframes loaderFill {
  0%   { width: 0%; }
  60%  { width: 80%; }
  100% { width: 100%; }
}

/* ── 20. BACK TO TOP ──────────────────────────────────────── */
#back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border: none;
  border-radius: 50%;
  color: var(--clr-bg);
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,200,255,0.4);
}

#back-top.visible { opacity: 1; transform: translateY(0); }
#back-top:hover { transform: translateY(-4px); }

/* ── 21. MOBILE NAV OPEN ──────────────────────────────────── */
.nav-mobile-open .nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(5,10,20,0.98);
  backdrop-filter: blur(20px);
  padding: 24px 40px;
  border-bottom: 1px solid var(--clr-border);
  gap: 20px;
}