/* ================================================
   永佳環保 — 3D Visual Effects Stylesheet
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+HK:wght@300;400;500;700;900&family=Playfair+Display:wght@700;900&family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
  --green-dark: #0f2e1a;
  --green: #1a5c35;
  --green-mid: #2e7d52;
  --green-light: #4caf6a;
  --green-pale: #e8f5ec;
  --gold: #c8a84b;
  --gold-light: #f0e4b8;
  --gold-dark: #a8883a;
  --dark: #111827;
  --gray: #4b5563;
  --gray-light: #9ca3af;
  --light: #f8faf9;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-3d: 0 20px 60px rgba(0,0,0,0.22), 0 8px 20px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(76,175,106,0.25);
  --shadow-gold: 0 8px 32px rgba(200,168,75,0.35);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --perspective: 1000px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans HK', 'PingFang HK', 'Microsoft JhengHei', sans-serif;
  color: var(--dark); background: var(--white);
  line-height: 1.7; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--green-dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ── CURSOR GLOW ── */
.cursor-glow {
  position: fixed; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(76,175,106,0.08) 0%, transparent 70%);
  pointer-events: none; z-index: 9999; transform: translate(-50%, -50%);
  transition: left 0.3s, top 0.3s;
}

/* ── 3D PERSPECTIVE WRAPPER ── */
.perspective-wrap {
  perspective: var(--perspective);
  transform-style: preserve-3d;
}

/* ══════════════════════════════════
   NAVIGATION
══════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,46,26,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  height: 72px; display: flex; align-items: center;
  transition: var(--transition-slow);
}
nav.scrolled {
  background: rgba(10,31,18,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
  border-bottom-color: rgba(200,168,75,0.2);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  color: white; font-weight: 900; font-size: 1.05rem; letter-spacing: 0.02em;
  transition: var(--transition);
}
.nav-logo:hover { transform: translateY(-2px); }
.nav-logo img { height: 44px; width: auto; border-radius: 8px; object-fit: contain; background: white; padding: 4px; }
.nav-logo-text { line-height: 1.2; }
.nav-logo-text span { font-size: 0.6rem; font-weight: 400; opacity: 0.65; letter-spacing: 0.12em; display: block; }
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  color: rgba(255,255,255,0.8); font-size: 0.88rem; font-weight: 500;
  letter-spacing: 0.04em; padding: 4px 0; position: relative;
  transition: var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--gold); transform: scaleX(0); transition: var(--transition);
  transform-origin: center;
}
.nav-links a:hover { color: white; }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--gold-light); }
.nav-links a.active::after { transform: scaleX(1); background: var(--gold-light); }
.nav-cta {
  background: var(--gold); color: var(--green-dark);
  padding: 10px 24px; border-radius: 50px; font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.05em; transition: var(--transition);
  position: relative; overflow: hidden;
}
.nav-cta::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.nav-cta:hover::before { transform: translateX(100%); }
.nav-cta:hover {
  background: #dfbf6a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,168,75,0.5);
}

/* ══════════════════════════════════
   BUTTONS
══════════════════════════════════ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold); color: var(--green-dark);
  padding: 14px 36px; border-radius: 50px; font-weight: 700;
  font-size: 0.95rem; letter-spacing: 0.05em; transition: var(--transition);
  border: none; cursor: pointer; position: relative; overflow: hidden;
  box-shadow: 0 4px 16px rgba(200,168,75,0.3);
}
.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  background: #dfbf6a;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(200,168,75,0.5);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid rgba(255,255,255,0.4); color: white;
  padding: 14px 36px; border-radius: 50px; font-weight: 500;
  font-size: 0.95rem; letter-spacing: 0.05em; transition: var(--transition);
  background: transparent; cursor: pointer;
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(200,168,75,0.1);
  color: var(--gold-light);
  transform: translateY(-2px);
}
.btn-outline-dark {
  border: 1.5px solid var(--green); color: var(--green);
  padding: 12px 28px; border-radius: 50px; font-weight: 600;
  font-size: 0.88rem; letter-spacing: 0.04em; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-outline-dark:hover {
  background: var(--green); color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26,92,53,0.3);
}

/* ══════════════════════════════════
   SECTIONS — SHARED
══════════════════════════════════ */
section { padding: 100px 0; position: relative; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green-pale); color: var(--green);
  padding: 5px 14px; border-radius: 50px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900;
  color: var(--green-dark); line-height: 1.2; margin-bottom: 14px;
}
.section-desc { color: var(--gray); font-size: 1.05rem; line-height: 1.8; max-width: 560px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* ══════════════════════════════════
   SCROLL REVEAL ANIMATIONS
══════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-3d {
  opacity: 0;
  transform: translateY(80px) rotateX(15deg);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-3d.revealed {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.revealed { opacity: 1; transform: translateX(0); }
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-right.revealed { opacity: 1; transform: translateX(0); }
.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s, transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.reveal-scale.revealed { opacity: 1; transform: scale(1); }

/* ══════════════════════════════════
   3D CARD HOVER
══════════════════════════════════ */
.card-3d {
  background: white; border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-style: preserve-3d;
  position: relative;
}
.card-3d::before {
  content: '';
  position: absolute; inset: 0; border-radius: var(--radius);
  border: 1px solid rgba(46,125,82,0.1);
  transition: border-color 0.4s;
}
.card-3d:hover {
  transform: translateY(-12px) rotateX(2deg) rotateY(-2deg);
  box-shadow: var(--shadow-3d), 0 0 0 1px rgba(46,125,82,0.15);
}
.card-3d:hover::before {
  border-color: rgba(76,175,106,0.3);
}

/* ══════════════════════════════════
   FLOATING SHAPES (hero decoration)
══════════════════════════════════ */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(5deg); }
  66% { transform: translateY(-10px) rotate(-3deg); }
}
@keyframes float-reverse {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(20px) rotate(-5deg); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(76,175,106,0.3); }
  50% { box-shadow: 0 0 40px rgba(76,175,106,0.6); }
}
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes counter-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes orbit {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}
@keyframes particle-float {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ══════════════════════════════════
   HERO SECTION — 3D IMMERSIVE
══════════════════════════════════ */
.hero {
  min-height: 100vh; position: relative;
  background: var(--green-dark);
  overflow: hidden;
  display: flex; align-items: center;
}

/* Animated gradient background */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg::before {
  content: '';
  position: absolute; inset: -50%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    rgba(26,92,53,0.4) 0deg,
    rgba(15,46,26,0.6) 60deg,
    rgba(46,125,82,0.3) 120deg,
    rgba(15,46,26,0.5) 180deg,
    rgba(26,92,53,0.4) 240deg,
    rgba(15,46,26,0.6) 300deg,
    rgba(26,92,53,0.4) 360deg
  );
  animation: gradient-shift 12s ease infinite;
  background-size: 400% 400%;
}
.hero-bg img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0.25; filter: saturate(0.7);
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.hero:hover .hero-bg img { transform: scale(1.12); }

.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at 30% 50%, rgba(26,92,53,0.5) 0%, rgba(15,46,26,0.85) 100%);
}

/* 3D floating geometric shapes */
.hero-shapes {
  position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden;
}
.shape {
  position: absolute; border-radius: 8px;
  background: linear-gradient(135deg, rgba(76,175,106,0.15), rgba(200,168,75,0.08));
  backdrop-filter: blur(2px);
  border: 1px solid rgba(200,168,75,0.15);
}
.shape-1 {
  width: 80px; height: 80px; top: 20%; left: 8%;
  animation: float 8s ease-in-out infinite;
  transform: rotate(15deg);
}
.shape-2 {
  width: 50px; height: 50px; top: 65%; left: 5%;
  border-radius: 50%;
  animation: float-reverse 7s ease-in-out infinite 1s;
}
.shape-3 {
  width: 120px; height: 120px; top: 15%; right: 8%;
  animation: float 9s ease-in-out infinite 0.5s;
  border-radius: 24px;
  transform: rotate(-20deg);
}
.shape-4 {
  width: 30px; height: 30px; bottom: 25%; right: 15%;
  border-radius: 50%;
  animation: float-reverse 6s ease-in-out infinite 2s;
  background: linear-gradient(135deg, rgba(200,168,75,0.2), rgba(200,168,75,0.05));
}
.shape-5 {
  width: 60px; height: 60px; bottom: 40%; left: 15%;
  animation: spin-slow 20s linear infinite;
  border-radius: 12px;
  transform: rotate(45deg);
}
.shape-6 {
  width: 15px; height: 15px; top: 35%; right: 25%;
  background: rgba(200,168,75,0.4);
  animation: float 5s ease-in-out infinite 0.3s;
}

/* 3D Particles */
.particles {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
}
.particle {
  position: absolute; width: 3px; height: 3px;
  background: rgba(200,168,75,0.6); border-radius: 50%;
  animation: particle-float linear infinite;
}

/* Hero content */
.hero-content {
  position: relative; z-index: 10; color: white;
  max-width: 720px; padding: 120px 0 80px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,168,75,0.12); border: 1px solid rgba(200,168,75,0.35);
  color: var(--gold-light); padding: 6px 16px; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
  animation: pulse-glow 3s ease-in-out infinite;
}
.hero-badge-dot {
  width: 6px; height: 6px; background: var(--gold); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.3} }
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 900;
  line-height: 1.0; margin-bottom: 6px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero h1 span {
  color: var(--gold-light);
  display: block;
  text-shadow: 0 0 40px rgba(200,168,75,0.4);
}
.hero-en {
  font-size: 0.82rem; opacity: 0.5; letter-spacing: 0.22em;
  text-transform: uppercase; margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.15rem; line-height: 1.8; opacity: 0.82;
  margin-bottom: 40px; max-width: 560px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 72px; }

/* 3D Hero stats */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.12);
  position: relative;
}
.hero-stats::before {
  content: '';
  position: absolute; top: 0; left: -40px; right: -40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,168,75,0.4), transparent);
}
.hero-stat-num {
  font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 900;
  color: var(--gold-light); line-height: 1;
  position: relative;
}
.hero-stat-label { font-size: 0.72rem; opacity: 0.6; margin-top: 6px; letter-spacing: 0.06em; }

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.4); font-size: 0.72rem; letter-spacing: 0.1em;
}
.scroll-mouse {
  width: 22px; height: 34px; border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 12px; position: relative;
  display: flex; align-items: flex-start; justify-content: center; padding-top: 6px;
}
.scroll-dot {
  width: 3px; height: 6px; background: var(--gold); border-radius: 2px;
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim {
  0% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(10px); opacity: 0.3; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ══════════════════════════════════
   STATS BAR — 3D CARDS
══════════════════════════════════ */
.stats-bar {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  padding: 64px 0; color: white;
  position: relative; overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.015) 40px,
    rgba(255,255,255,0.015) 41px
  );
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; position: relative; z-index: 1; }
.stat-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 28px 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-item::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0); transition: var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-6px); }
.stat-item:hover::before { transform: scaleX(1); }
.stat-num {
  font-family: 'Playfair Display', serif; font-size: 2.8rem; font-weight: 900;
  color: var(--gold-light); line-height: 1;
  text-shadow: 0 0 30px rgba(200,168,75,0.4);
}
.stat-label { font-size: 0.82rem; opacity: 0.7; margin-top: 8px; letter-spacing: 0.06em; }

/* ══════════════════════════════════
   ABOUT PREVIEW — 3D IMAGE + FLOAT
══════════════════════════════════ */
.about-preview { background: var(--white); }
.about-preview-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: center;
}
.about-preview-img {
  border-radius: var(--radius); overflow: visible;
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
}
.about-preview-img img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius);
  box-shadow: var(--shadow-3d);
  transition: var(--transition-slow);
  transform: rotateY(-8deg) rotateX(4deg);
}
.about-preview-img:hover img {
  transform: rotateY(0deg) rotateX(0deg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.2);
}
.about-year {
  position: absolute; bottom: -24px; right: -24px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--green-dark);
  padding: 20px 28px; border-radius: var(--radius-sm);
  font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 900;
  box-shadow: 0 12px 32px rgba(200,168,75,0.4);
  transform: translateZ(40px) rotate(-6deg);
  transition: var(--transition);
  z-index: 2;
}
.about-preview-img:hover .about-year {
  transform: translateZ(60px) rotate(-3deg) scale(1.05);
}
.about-year small { display: block; font-family: 'Noto Sans HK', sans-serif; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-feature {
  background: var(--green-pale); border-radius: var(--radius-sm); padding: 20px;
  border-left: 3px solid var(--green);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.about-feature::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(46,125,82,0.05), transparent);
  opacity: 0; transition: var(--transition);
}
.about-feature:hover { transform: translateX(6px) translateY(-2px); box-shadow: 0 4px 16px rgba(46,125,82,0.15); }
.about-feature:hover::before { opacity: 1; }
.about-feature h4 { font-size: 0.88rem; font-weight: 700; color: var(--green-dark); margin-bottom: 4px; }
.about-feature p { font-size: 0.78rem; color: var(--gray); }

/* ══════════════════════════════════
   SERVICES — 3D CARD GRID
══════════════════════════════════ */
.services-preview { background: var(--light); position: relative; overflow: hidden; }
.services-preview::before {
  content: '';
  position: absolute; top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(46,125,82,0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.services-preview-header { text-align: center; margin-bottom: 56px; }
.services-preview-header .section-desc { margin: 0 auto; }
.services-grid-2 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.service-card {
  background: white; border-radius: var(--radius); padding: 36px 28px;
  box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.04);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative; overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s;
}
.service-card:hover { transform: translateY(-12px) rotateX(3deg) rotateY(-3deg); box-shadow: var(--shadow-3d); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2.4rem; margin-bottom: 18px; display: block; transition: var(--transition); }
.service-card:hover .service-icon { transform: scale(1.2) rotate(-5deg); }
.service-card h3 { font-size: 1rem; font-weight: 700; color: var(--green-dark); margin-bottom: 10px; }
.service-card p { font-size: 0.85rem; color: var(--gray); line-height: 1.7; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.service-tag {
  background: var(--green-pale); color: var(--green);
  padding: 3px 10px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 500;
  transition: var(--transition);
}
.service-tag:hover { background: var(--green); color: white; transform: scale(1.05); }

/* ══════════════════════════════════
   CERTS — 3D ROTATING CARDS
══════════════════════════════════ */
.certs-strip { background: var(--white); padding: 80px 0; }
.certs-strip-header { text-align: center; margin-bottom: 48px; }
.certs-logos {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 20px;
}
.cert-logo-item {
  background: var(--light); border-radius: var(--radius-sm);
  padding: 20px 32px; display: flex; flex-direction: column;
  align-items: center; gap: 6px; min-width: 130px;
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.4s,
              background 0.3s;
  cursor: pointer;
  position: relative; overflow: hidden;
}
.cert-logo-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(46,125,82,0.08), transparent);
  opacity: 0; transition: var(--transition);
}
.cert-logo-item:hover {
  transform: translateY(-10px) scale(1.08) rotateX(5deg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
  background: white;
  border-color: rgba(46,125,82,0.2);
}
.cert-logo-item:hover::after { opacity: 1; }
.cert-logo-item .cert-logo-icon { font-size: 2rem; transition: var(--transition); }
.cert-logo-item:hover .cert-logo-icon { transform: scale(1.15) rotate(-5deg); }
.cert-logo-item .cert-logo-name { font-size: 0.72rem; font-weight: 700; color: var(--green-dark); letter-spacing: 0.04em; }
.cert-logo-item .cert-logo-desc { font-size: 0.65rem; color: var(--gray-light); text-align: center; }

/* ══════════════════════════════════
   EQUIPMENT PREVIEW — 3D GALLERY
══════════════════════════════════ */
.equip-preview { background: var(--light); }
.equip-preview-header { text-align: center; margin-bottom: 56px; }
.equip-preview-header .section-desc { margin: 0 auto; }
.equip-showcase { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.eq-img {
  overflow: hidden; border-radius: var(--radius-sm);
  position: relative; cursor: pointer;
}
.eq-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.4s;
}
.eq-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,46,26,0.5), transparent);
  opacity: 0; transition: var(--transition);
}
.eq-img:hover img {
  transform: scale(1.1) rotate(1deg);
  filter: brightness(0.9);
}
.eq-img:hover::after { opacity: 1; }
.eq-big { grid-row: span 2; }

/* ══════════════════════════════════
   WHY US — GLASSMORPHISM CARDS
══════════════════════════════════ */
.whyus {
  background: var(--green-dark); color: white;
  position: relative; overflow: hidden;
}
.whyus::before {
  content: '';
  position: absolute; top: -30%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(76,175,106,0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-reverse 10s ease-in-out infinite;
}
.whyus::after {
  content: '';
  position: absolute; bottom: -20%; left: -5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(200,168,75,0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 12s ease-in-out infinite;
}
.whyus-header { text-align: center; margin-bottom: 72px; position: relative; z-index: 1; }
.whyus .section-tag { background: rgba(200,168,75,0.15); color: var(--gold-light); border: 1px solid rgba(200,168,75,0.25); }
.whyus .section-title { color: white; }
.whyus .section-desc { color: rgba(255,255,255,0.55); margin: 0 auto; }
.whyus-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative; z-index: 1;
}
.whyus-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 40px 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition-slow);
  position: relative; overflow: hidden;
}
.whyus-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(76,175,106,0.08), rgba(200,168,75,0.04));
  opacity: 0; transition: var(--transition);
}
.whyus-card:hover {
  background: rgba(255,255,255,0.09);
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(76,175,106,0.3);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.whyus-card:hover::before { opacity: 1; }
.whyus-icon { font-size: 2.2rem; margin-bottom: 18px; display: block; transition: var(--transition); }
.whyus-card:hover .whyus-icon { transform: scale(1.2) rotate(-8deg); }
.whyus-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.whyus-card p { font-size: 0.85rem; opacity: 0.6; line-height: 1.7; }

/* ══════════════════════════════════
   PROCESS — 3D STEPS
══════════════════════════════════ */
.process-preview { background: var(--white); }
.process-preview-header { text-align: center; margin-bottom: 72px; }
.process-preview-header .section-desc { margin: 0 auto; }
.process-steps {
  display: flex; position: relative; align-items: flex-start;
}
.process-steps::before {
  content: ''; position: absolute; top: 44px; left: 8%; right: 8%;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  z-index: 0;
  border-radius: 2px;
}
.process-step {
  flex: 1; text-align: center; position: relative; z-index: 1; padding: 0 16px;
}
.process-step-num {
  width: 88px; height: 88px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  color: white; display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 1.8rem; font-weight: 900;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(46,125,82,0.3);
  transition: var(--transition);
  position: relative;
}
.process-step-num::before {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(46,125,82,0.3);
  transition: var(--transition);
}
.process-step:hover .process-step-num {
  transform: scale(1.1) rotateY(180deg);
  box-shadow: 0 16px 48px rgba(46,125,82,0.5);
}
.process-step:hover .process-step-num::before {
  transform: scale(1.3);
  opacity: 0;
}
.process-step h4 { font-size: 0.95rem; font-weight: 700; color: var(--green-dark); margin-bottom: 8px; }
.process-step p { font-size: 0.8rem; color: var(--gray); line-height: 1.6; }

/* ══════════════════════════════════
   CTA SECTION — 3D GLASS + GLOW
══════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  color: white; text-align: center; padding: 110px 0;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,0.01) 30px,
    rgba(255,255,255,0.01) 31px
  );
}
.cta-section::after {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(200,168,75,0.08) 0%, transparent 70%);
  animation: pulse-glow 4s ease-in-out infinite;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; margin-bottom: 16px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.cta-section p { opacity: 0.72; max-width: 480px; margin: 0 auto 36px; font-size: 1.05rem; }
.cta-phone {
  font-size: 2.2rem; font-weight: 900; color: var(--gold-light);
  letter-spacing: 0.06em; margin-bottom: 36px;
  text-shadow: 0 0 30px rgba(200,168,75,0.4);
  animation: pulse-glow 3s ease-in-out infinite;
}

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
footer { background: #081510; color: rgba(255,255,255,0.55); padding: 72px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand h3 { color: white; font-size: 1.1rem; font-weight: 900; margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; }
.footer-brand .footer-contact { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.footer-brand .footer-contact span { font-size: 0.82rem; display: flex; align-items: center; gap: 8px; }
.footer-col h4 { color: white; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 0.85rem; transition: var(--transition); }
.footer-col li a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px;
  text-align: center; font-size: 0.78rem;
}

/* ══════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  padding: 160px 0 100px; color: white; text-align: center;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: conic-gradient(from 0deg at 80% 20%, rgba(46,125,82,0.3), transparent 40%),
              conic-gradient(from 180deg at 20% 80%, rgba(200,168,75,0.15), transparent 40%);
  animation: gradient-shift 10s ease infinite;
  background-size: 400% 400%;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900; margin-bottom: 12px;
}
.page-hero p { font-size: 1.05rem; opacity: 0.75; max-width: 520px; margin: 0 auto; }

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .about-preview-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid-2 { grid-template-columns: 1fr 1fr; }
  .whyus-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { flex-wrap: wrap; gap: 32px; }
  .process-steps::before { display: none; }
  .equip-showcase { grid-template-columns: 1fr; }
  .equip-showcase .eq-big { grid-row: span 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-preview-img img { transform: none; }
  .about-year { transform: none; }
}
@media (max-width: 600px) {
  .services-grid-2 { grid-template-columns: 1fr; }
  .whyus-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}