@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  --brand-green: #7AC143;
  --brand-green-light: #A3D977;
  --brand-teal: #4DB8A4;
  --brand-teal-light: #6CD4C0;
  --brand-blue: #2E86C1;
  --brand-blue-light: #5DADE2;
  --brand-navy: #1B4F72;
  --brand-dark: #2C3E50;
  --gradient-brand: linear-gradient(135deg, #7AC143, #4DB8A4, #2E86C1);
  --gradient-brand-reverse: linear-gradient(135deg, #2E86C1, #4DB8A4, #7AC143);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem; --space-lg: 1.5rem;
  --space-xl: 2rem; --space-2xl: 3rem; --space-3xl: 4rem; --space-4xl: 6rem;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 50%;
  --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-normal: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 0.6s cubic-bezier(0.34,1.56,0.64,1);
  --z-particles: 0; --z-content: 10; --z-header: 20; --z-modal: 30; --z-preloader: 100;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg-primary: #f0f4f8; --bg-secondary: #ffffff;
  --bg-glass: rgba(255,255,255,0.65); --bg-glass-hover: rgba(255,255,255,0.8);
  --bg-card: rgba(255,255,255,0.7); --bg-input: rgba(255,255,255,0.9);
  --text-primary: #1a2332; --text-secondary: #4a5568; --text-muted: #718096; --text-accent: #2E86C1;
  --border-color: rgba(0,0,0,0.08); --border-glass: rgba(255,255,255,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06); --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.1); --shadow-glow: 0 0 40px rgba(77,184,164,0.15);
  --countdown-bg: rgba(255,255,255,0.6); --countdown-border: rgba(77,184,164,0.3); --countdown-number: var(--brand-dark);
  --grid-color: rgba(0,0,0,0.03);
  --terminal-bg: #1e1e2e; --terminal-header: #2d2d3f;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg-primary: #0a0f1a; --bg-secondary: #111827;
  --bg-glass: rgba(17,24,39,0.7); --bg-glass-hover: rgba(17,24,39,0.85);
  --bg-card: rgba(17,24,39,0.6); --bg-input: rgba(17,24,39,0.8);
  --text-primary: #f1f5f9; --text-secondary: #94a3b8; --text-muted: #64748b; --text-accent: #5DADE2;
  --border-color: rgba(255,255,255,0.06); --border-glass: rgba(255,255,255,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3); --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5); --shadow-glow: 0 0 60px rgba(77,184,164,0.12);
  --countdown-bg: rgba(17,24,39,0.5); --countdown-border: rgba(77,184,164,0.25); --countdown-number: #f1f5f9;
  --grid-color: rgba(255,255,255,0.02);
  --terminal-bg: #0d1117; --terminal-header: #161b22;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-primary); background: var(--bg-primary); color: var(--text-primary);
  overflow-x: hidden; transition: background-color var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
body.loading { overflow: hidden; }
.social-link svg, .service-card__icon { fill: currentColor; }

/* ===== PRELOADER ===== */
.preloader {
  position: fixed; inset: 0; z-index: var(--z-preloader);
  background: #0a0f1a; display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
[data-theme="light"] .preloader { background: #f0f4f8; }
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__content { text-align: center; }
.preloader__logo {
  width: 80px; height: 80px; object-fit: contain;
  animation: preloaderPulse 1.5s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(77,184,164,0.4));
}
@keyframes preloaderPulse {
  0%, 100% { transform: scale(1) rotate(0deg); filter: drop-shadow(0 0 30px rgba(77,184,164,0.4)); }
  50% { transform: scale(1.1) rotate(5deg); filter: drop-shadow(0 0 50px rgba(77,184,164,0.6)); }
}
.preloader__bar {
  width: 200px; height: 3px; background: rgba(255,255,255,0.1); border-radius: 2px;
  margin: 24px auto 16px; overflow: hidden;
}
[data-theme="light"] .preloader__bar { background: rgba(0,0,0,0.08); }
.preloader__bar-fill {
  height: 100%; width: 0%; background: var(--gradient-brand); border-radius: 2px;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
}
.preloader__text {
  font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase;
}
.preloader__dots { animation: dotPulse 1.5s ease-in-out infinite; }
@keyframes dotPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ===== CUSTOM CURSOR ===== */
.cursor-dot, .cursor-outline {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999;
  border-radius: var(--radius-full); opacity: 0; transition: opacity var(--transition-normal);
}
body:not(.loading) .cursor-dot, body:not(.loading) .cursor-outline { opacity: 1; }
.cursor-dot {
  width: 6px; height: 6px; background: var(--brand-teal);
  transform: translate(-50%, -50%); mix-blend-mode: difference;
}
.cursor-outline {
  width: 36px; height: 36px; border: 2px solid rgba(77,184,164,0.5);
  transform: translate(-50%, -50%);
  transition: width var(--transition-normal), height var(--transition-normal),
              border-color var(--transition-normal), background var(--transition-normal);
}
.cursor-outline.hover {
  width: 56px; height: 56px; border-color: var(--brand-teal);
  background: rgba(77,184,164,0.08);
}
.cursor-outline.click { transform: translate(-50%, -50%) scale(0.8); }
@media (pointer: coarse) { .cursor-dot, .cursor-outline { display: none !important; } }
@media (pointer: fine) { body:not(.loading) { cursor: none; }
  body:not(.loading) a, body:not(.loading) button, body:not(.loading) input,
  body:not(.loading) textarea, body:not(.loading) select { cursor: none; }
}

/* ===== BACKGROUND ===== */
.background-canvas { position: fixed; inset: 0; z-index: var(--z-particles); overflow: hidden; }
.grid-pattern {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px),
                     linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px; animation: gridShift 20s linear infinite;
}
@keyframes gridShift { from { transform: translate(0,0); } to { transform: translate(60px,60px); } }
.orb {
  position: absolute; border-radius: var(--radius-full); filter: blur(80px);
  opacity: 0.4; animation: orbFloat 15s ease-in-out infinite;
}
[data-theme="dark"] .orb { opacity: 0.2; }
.orb--1 { width: 500px; height: 500px; background: var(--brand-green); top: -10%; left: -5%; animation-duration: 18s; }
.orb--2 { width: 400px; height: 400px; background: var(--brand-teal); top: 50%; right: -10%; animation-duration: 22s; animation-delay: -5s; }
.orb--3 { width: 350px; height: 350px; background: var(--brand-blue); bottom: -10%; left: 30%; animation-duration: 20s; animation-delay: -10s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  25% { transform: translate(40px,-30px) scale(1.05); }
  50% { transform: translate(-20px,20px) scale(0.95); }
  75% { transform: translate(30px,40px) scale(1.02); }
}
.particles-container { position: absolute; inset: 0; }
.particle {
  position: absolute; width: 4px; height: 4px; background: var(--brand-teal);
  border-radius: var(--radius-full); opacity: 0; animation: particleFloat linear infinite;
}
.particle:nth-child(odd) { background: var(--brand-green); }
.particle:nth-child(3n) { background: var(--brand-blue); width: 3px; height: 3px; }
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; transform: scale(1); }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-20vh) scale(0.5); }
}

/* ===== HEADER CONTROLS ===== */
.lang-toggle-wrapper { position: fixed; top: var(--space-lg); left: var(--space-lg); z-index: var(--z-header); }
.lang-toggle {
  display: flex; gap: 2px; background: var(--bg-glass); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm); padding: 3px; box-shadow: var(--shadow-sm);
}
.lang-btn {
  padding: 6px 12px; border: none; background: transparent; color: var(--text-muted);
  font-family: var(--font-primary); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.05em; cursor: pointer; border-radius: 6px;
  transition: all var(--transition-normal); text-transform: uppercase;
}
.lang-btn:hover { color: var(--text-primary); }
.lang-btn.active { background: var(--gradient-brand); color: #fff; box-shadow: 0 2px 8px rgba(77,184,164,0.3); }
.theme-toggle-wrapper { position: fixed; top: var(--space-lg); right: var(--space-lg); z-index: var(--z-header); }
.theme-toggle {
  position: relative; width: 64px; height: 34px; background: var(--bg-glass);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass); border-radius: 17px; cursor: pointer;
  transition: all var(--transition-normal); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: space-between; padding: 0 8px;
}
.theme-toggle:hover { background: var(--bg-glass-hover); box-shadow: var(--shadow-md); transform: scale(1.05); }
.theme-toggle__icon { font-size: 14px; line-height: 1; }
.theme-toggle__slider {
  position: absolute; width: 26px; height: 26px; background: var(--gradient-brand);
  border-radius: var(--radius-full); top: 3px; left: 4px;
  transition: transform var(--transition-spring); box-shadow: 0 2px 8px rgba(77,184,164,0.3);
}
[data-theme="dark"] .theme-toggle__slider { transform: translateX(30px); }

/* ===== SECTIONS BASE ===== */
.section { position: relative; z-index: var(--z-content); }
.section__container { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-xl); }
.section__badge {
  display: inline-block; padding: 6px 18px; background: var(--bg-glass);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass); border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; color: var(--brand-teal);
  text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--space-lg);
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2;
  margin-bottom: var(--space-lg); letter-spacing: -0.02em;
}
.section__title-gradient {
  background: var(--gradient-brand); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.section__intro {
  font-size: clamp(0.95rem, 2vw, 1.1rem); color: var(--text-secondary);
  line-height: 1.8; max-width: 700px; margin-bottom: var(--space-3xl);
}

/* ===== SCROLL REVEAL ===== */
[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ===== HERO SECTION ===== */
.section--hero {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: var(--space-xl) var(--space-xl) var(--space-4xl); text-align: center;
}
.hero { max-width: 900px; width: 100%; }
.hero__logo-container { margin-bottom: var(--space-2xl); animation: fadeInDown 1s ease-out; }
.hero__logo {
  max-width: 320px; width: 100%; height: auto;
  filter: drop-shadow(0 4px 20px rgba(77,184,164,0.2));
  transition: filter var(--transition-normal), transform var(--transition-normal);
}
.hero__logo:hover { filter: drop-shadow(0 8px 30px rgba(77,184,164,0.35)); transform: scale(1.02); }
.hero__logo--light { display: block; } .hero__logo--dark { display: none; }
[data-theme="dark"] .hero__logo--light { display: none; }
[data-theme="dark"] .hero__logo--dark { display: block; }
.hero__badge {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 8px 20px; background: var(--bg-glass); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-glass);
  border-radius: 100px; margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease-out 0.2s both; box-shadow: var(--shadow-sm);
}
.hero__badge-dot { width: 8px; height: 8px; background: var(--brand-green); border-radius: var(--radius-full); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(122,193,67,0.4); } 50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(122,193,67,0); } }
.hero__badge-text { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.08em; text-transform: uppercase; }
.hero__title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: var(--space-lg); animation: fadeInUp 1s ease-out 0.4s both; letter-spacing: -0.02em; }
.hero__title-gradient { background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-size: clamp(1rem, 2.5vw, 1.2rem); color: var(--text-secondary); line-height: 1.7; max-width: 600px; margin: 0 auto var(--space-3xl); animation: fadeInUp 1s ease-out 0.6s both; }

/* Countdown */
.countdown { display: flex; gap: var(--space-lg); justify-content: center; flex-wrap: wrap; margin-bottom: var(--space-3xl); animation: fadeInUp 1s ease-out 0.8s both; }
.countdown__item { min-width: 110px; }
.countdown__card {
  background: var(--countdown-bg); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--countdown-border); border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl); position: relative; overflow: hidden;
  transition: all var(--transition-normal); box-shadow: var(--shadow-sm);
}
.countdown__card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-brand); opacity: 0; transition: opacity var(--transition-normal); }
.countdown__item:hover .countdown__card { transform: translateY(-4px); box-shadow: var(--shadow-md), var(--shadow-glow); border-color: var(--brand-teal); }
.countdown__item:hover .countdown__card::before { opacity: 1; }
.countdown__number { font-family: var(--font-mono); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; color: var(--countdown-number); line-height: 1; margin-bottom: var(--space-xs); }
.countdown__label { font-size: 0.7rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.15em; }
.countdown__separator { display: flex; align-items: center; font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700; color: var(--brand-teal); opacity: 0.5; animation: separatorBlink 1.5s ease-in-out infinite; padding-bottom: 20px; }
@keyframes separatorBlink { 0%, 100% { opacity: 0.5; } 50% { opacity: 0.15; } }

/* Progress */
.progress-section { width: 100%; max-width: 500px; margin: 0 auto var(--space-3xl); animation: fadeInUp 1s ease-out 1s both; }
.progress-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-sm); }
.progress-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.04em; }
.progress-percentage { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600; color: var(--brand-teal); }
.progress-bar { width: 100%; height: 6px; background: var(--bg-card); border-radius: 3px; overflow: hidden; border: 1px solid var(--border-color); }
.progress-bar__fill { height: 100%; background: var(--gradient-brand); border-radius: 3px; transition: width 1.5s cubic-bezier(0.4,0,0.2,1); position: relative; box-shadow: 0 0 12px rgba(77,184,164,0.4); }
.progress-bar__fill::after { content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 30px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3)); animation: shimmer 2s ease-in-out infinite; }
@keyframes shimmer { 0%, 100% { opacity: 0; } 50% { opacity: 1; } }

/* Notify */
.notify-section { width: 100%; max-width: 480px; margin: 0 auto; animation: fadeInUp 1s ease-out 1.2s both; }
.notify-label { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: var(--space-md); font-weight: 500; }
.notify-form { display: flex; gap: var(--space-sm); width: 100%; }
.notify-input {
  flex: 1; padding: 14px 20px; background: var(--bg-input); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-glass);
  border-radius: var(--radius-md); color: var(--text-primary); font-family: var(--font-primary);
  font-size: 0.9rem; outline: none; transition: all var(--transition-normal); box-shadow: var(--shadow-sm);
}
.notify-input::placeholder { color: var(--text-muted); }
.notify-input:focus { border-color: var(--brand-teal); box-shadow: var(--shadow-sm), 0 0 0 3px rgba(77,184,164,0.15); }
.notify-btn {
  padding: 14px 28px; background: var(--gradient-brand); color: #fff; border: none;
  border-radius: var(--radius-md); font-family: var(--font-primary); font-size: 0.85rem;
  font-weight: 600; cursor: pointer; transition: all var(--transition-normal);
  box-shadow: 0 4px 16px rgba(77,184,164,0.3); white-space: nowrap;
}
.notify-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(77,184,164,0.4); }
.notify-btn:active { transform: translateY(0); }
.notify-success { display: none; align-items: center; gap: var(--space-sm); padding: 14px 20px; background: rgba(122,193,67,0.1); border: 1px solid rgba(122,193,67,0.3); border-radius: var(--radius-md); color: var(--brand-green); font-size: 0.85rem; font-weight: 500; animation: fadeInUp 0.5s ease-out; }
.notify-success.visible { display: flex; }
.notify-success__icon { font-size: 1.2rem; }

/* Social */
.social-links { display: flex; gap: var(--space-md); justify-content: center; margin-top: var(--space-3xl); animation: fadeInUp 1s ease-out 1.4s both; }
.social-link {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-md);
  color: var(--text-secondary); text-decoration: none; transition: all var(--transition-normal); box-shadow: var(--shadow-sm);
}
.social-link:hover { background: var(--gradient-brand); color: #fff; border-color: transparent; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(77,184,164,0.3); }
.social-link svg { width: 18px; height: 18px; fill: currentColor; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute; bottom: var(--space-md); left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: var(--space-xs);
  animation: fadeInUp 1s ease-out 1.6s both; transition: opacity var(--transition-normal);
}
.scroll-indicator.hidden { opacity: 0; pointer-events: none; }
.scroll-indicator__text { font-size: 0.65rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.15em; }
.scroll-indicator__arrow { color: var(--text-muted); animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ===== TERMINAL SECTION ===== */
.section--terminal { padding: var(--space-2xl) 0 var(--space-4xl); }
.terminal {
  max-width: 680px; margin: 0 auto; border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border-color);
}
.terminal__header {
  display: flex; align-items: center; gap: var(--space-md);
  padding: 12px 16px; background: var(--terminal-header);
}
.terminal__dots { display: flex; gap: 6px; }
.terminal__dot { width: 10px; height: 10px; border-radius: var(--radius-full); }
.terminal__dot--red { background: #ff5f56; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green { background: #27c93f; }
.terminal__title { font-family: var(--font-mono); font-size: 0.7rem; color: #8b949e; margin-left: auto; }
.terminal__body {
  background: var(--terminal-bg); padding: 20px 24px; min-height: 160px;
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.9;
}
.terminal__line { color: #c9d1d9; white-space: pre-wrap; }
.terminal__line .prompt { color: var(--brand-teal); }
.terminal__line .success { color: var(--brand-green); }
.terminal__line .info { color: var(--brand-blue-light); }
.terminal__cursor {
  display: inline-block; width: 8px; height: 16px; background: var(--brand-teal);
  vertical-align: text-bottom; animation: cursorBlink 1s step-end infinite;
}
@keyframes cursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ===== SERVICES SECTION ===== */
.section--services { padding: var(--space-4xl) 0; text-align: center; }
.section--services .section__intro { margin-left: auto; margin-right: auto; text-align: center; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-top: var(--space-xl); }
.service-card {
  background: var(--bg-glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl); text-align: left;
  transition: all var(--transition-normal); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg);
  padding: 1px; background: var(--gradient-brand); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity var(--transition-normal);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg), var(--shadow-glow); }
.service-card:hover::before { opacity: 1; }
.service-card__icon-wrap {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--gradient-brand); display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-lg); color: #fff; box-shadow: 0 4px 16px rgba(77,184,164,0.3);
}
.service-card__icon { width: 24px; height: 24px; }
.service-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--space-md); color: var(--text-primary); }
.service-card__text { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== TECH STACK SECTION ===== */
.section--techstack { padding: var(--space-4xl) 0; text-align: center; overflow: hidden; }
.techstack-marquee {
  overflow: hidden; margin-top: var(--space-xl);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.techstack-marquee + .techstack-marquee { margin-top: var(--space-md); }
.techstack-track { display: inline-flex; gap: var(--space-lg); animation: marqueeScroll 45s linear infinite; }
.techstack-marquee--reverse .techstack-track { animation-direction: reverse; animation-duration: 40s; }
.techstack-marquee:hover .techstack-track { animation-play-state: paused; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.tech-item {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: 10px 20px; background: var(--bg-glass); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm); white-space: nowrap;
  transition: all var(--transition-normal); flex-shrink: 0;
}
.tech-item:hover { border-color: var(--brand-teal); box-shadow: var(--shadow-md), var(--shadow-glow); transform: scale(1.05); }
.tech-item img { width: 24px; height: 24px; object-fit: contain; }
[data-theme="dark"] .tech-item img { filter: brightness(0.9); }
.tech-item span { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.tech-item:hover span { color: var(--text-primary); }

/* ===== CONTACT FAB ===== */
.contact-fab {
  position: fixed; bottom: var(--space-xl); right: var(--space-xl); z-index: var(--z-modal);
  width: 58px; height: 58px; border: none; border-radius: var(--radius-full);
  background: var(--gradient-brand); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(77,184,164,0.4); transition: all var(--transition-normal);
}
.contact-fab:hover { transform: scale(1.1); box-shadow: 0 10px 36px rgba(77,184,164,0.5); }
.contact-fab:active { transform: scale(0.95); }
.contact-fab__icon { width: 24px; height: 24px; }
.contact-fab__icon--close { display: none; }
.contact-fab.active .contact-fab__icon--open { display: none; }
.contact-fab.active .contact-fab__icon--close { display: block; }
.contact-fab__pulse {
  position: absolute; inset: -4px; border-radius: var(--radius-full);
  border: 2px solid var(--brand-teal); opacity: 0; animation: fabPulse 3s ease-in-out infinite;
}
.contact-fab.active .contact-fab__pulse { animation: none; opacity: 0; }
@keyframes fabPulse { 0%, 100% { transform: scale(1); opacity: 0; } 50% { transform: scale(1.2); opacity: 0.4; } }

/* Contact Overlay & Panel */
.contact-overlay {
  position: fixed; inset: 0; z-index: calc(var(--z-modal) - 1);
  background: rgba(0,0,0,0.3); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; transition: all var(--transition-normal);
}
.contact-overlay.visible { opacity: 1; visibility: visible; }
.contact-panel {
  position: fixed; bottom: 100px; right: var(--space-xl); z-index: var(--z-modal);
  width: 400px; max-height: calc(100vh - 140px);
  background: var(--bg-glass); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow); overflow: hidden;
  display: flex; flex-direction: column; opacity: 0; visibility: hidden;
  transform: translateY(20px) scale(0.95); transform-origin: bottom right;
  transition: all var(--transition-spring);
}
.contact-panel.visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.contact-panel__header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-lg) var(--space-xl); background: var(--gradient-brand); color: #fff; flex-shrink: 0; }
.contact-panel__header-info { display: flex; align-items: center; gap: var(--space-md); }
.contact-panel__avatar { width: 40px; height: 40px; border-radius: var(--radius-full); background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.contact-panel__avatar img { width: 28px; height: 28px; object-fit: contain; }
.contact-panel__title { font-size: 1rem; font-weight: 700; line-height: 1.2; }
.contact-panel__status { display: flex; align-items: center; gap: 6px; font-size: 0.7rem; opacity: 0.9; margin-top: 2px; }
.contact-panel__status-dot { width: 6px; height: 6px; background: #7AC143; border-radius: var(--radius-full); animation: pulse 2s ease-in-out infinite; }
.contact-panel__close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.15); border: none; border-radius: var(--radius-full); color: #fff; cursor: pointer; transition: all var(--transition-normal); flex-shrink: 0; }
.contact-panel__close:hover { background: rgba(255,255,255,0.25); transform: rotate(90deg); }
.contact-panel__body { padding: var(--space-lg) var(--space-xl); overflow-y: auto; flex: 1; }
.contact-panel__welcome { padding: var(--space-md); background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: var(--space-lg); font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }
.contact-form { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-form__group { display: flex; flex-direction: column; gap: 6px; }
.contact-form__label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-form__input { width: 100%; padding: 12px 16px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font-primary); font-size: 0.85rem; outline: none; transition: all var(--transition-normal); }
.contact-form__input::placeholder { color: var(--text-muted); }
.contact-form__input:focus { border-color: var(--brand-teal); box-shadow: 0 0 0 3px rgba(77,184,164,0.12); }
.contact-form__textarea { resize: vertical; min-height: 90px; max-height: 200px; line-height: 1.5; }
.contact-form__submit { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); width: 100%; padding: 13px 20px; background: var(--gradient-brand); color: #fff; border: none; border-radius: var(--radius-sm); font-family: var(--font-primary); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all var(--transition-normal); box-shadow: 0 4px 16px rgba(77,184,164,0.3); margin-top: var(--space-xs); }
.contact-form__submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(77,184,164,0.4); }
.contact-form__submit:active { transform: translateY(0); }
.contact-form__submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.contact-form__success { display: none; text-align: center; padding: var(--space-xl) var(--space-md); animation: fadeInUp 0.5s ease-out; }
.contact-form__success.visible { display: block; }
.contact-form__success-icon { width: 56px; height: 56px; margin: 0 auto var(--space-lg); background: var(--gradient-brand); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff; }
.contact-form__success-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-sm); }
.contact-form__success-text { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: var(--space-lg); }
.contact-form__new-msg { padding: 10px 24px; background: transparent; color: var(--brand-teal); border: 1px solid var(--brand-teal); border-radius: var(--radius-sm); font-family: var(--font-primary); font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all var(--transition-normal); }
.contact-form__new-msg:hover { background: var(--brand-teal); color: #fff; }

/* ===== FOOTER ===== */
.footer { position: relative; z-index: var(--z-content); text-align: center; padding: var(--space-2xl) var(--space-xl); border-top: 1px solid var(--border-color); }
.footer__text { font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.04em; }
.footer__brand { background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 600; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.countdown__number.flip { animation: flipDigit 0.6s ease-in-out; }
@keyframes flipDigit { 0% { transform: perspective(400px) rotateX(0); } 50% { transform: perspective(400px) rotateX(-90deg); opacity: 0.5; } 100% { transform: perspective(400px) rotateX(0); opacity: 1; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section--hero { padding: 80px var(--space-lg) var(--space-xl); min-height: 100svh; }
  .hero__logo { max-width: 240px; }
  .countdown { gap: var(--space-sm); }
  .countdown__item { min-width: 80px; }
  .countdown__card { padding: var(--space-md) var(--space-lg); }
  .countdown__separator { font-size: 1.8rem; padding-bottom: 15px; }
  .notify-form { flex-direction: column; }
  .notify-btn { width: 100%; }
  .services-grid { grid-template-columns: 1fr; }
  .section--services, .section--techstack { padding: var(--space-3xl) 0; }
  .section__container { padding: 0 var(--space-lg); }
  .contact-panel { width: calc(100% - 32px); right: 16px; left: 16px; bottom: 90px; border-radius: var(--radius-lg); }
  .contact-fab { bottom: var(--space-lg); right: var(--space-lg); width: 52px; height: 52px; }
  .scroll-indicator { display: none; }
}
@media (max-width: 480px) {
  .hero__logo { max-width: 200px; }
  .countdown__item { min-width: 70px; }
  .countdown__card { padding: var(--space-sm) var(--space-md); }
  .countdown__number { font-size: 1.8rem; }
  .countdown__separator { font-size: 1.4rem; }
  .lang-toggle-wrapper { top: var(--space-md); left: var(--space-md); }
  .theme-toggle-wrapper { top: var(--space-md); right: var(--space-md); }
  .contact-panel { right: 8px; left: 8px; width: auto; bottom: 80px; }
  .contact-fab { bottom: var(--space-md); right: var(--space-md); width: 48px; height: 48px; }
  .contact-fab__icon { width: 20px; height: 20px; }
}
@media (max-height: 720px) {
  .scroll-indicator { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}