/* ===========================
   CSS VARIABLES
   =========================== */
:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --accent-cyan: #00d4ff;
  --accent-purple: #7b2fff;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-muted: rgba(255, 255, 255, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 212, 255, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===========================
   LANGUAGE
   =========================== */
.lang-zh { display: none !important; }
body.zh .lang-en { display: none !important; }
body.zh .lang-zh { display: block !important; }
body.zh .lang-zh-inline { display: inline !important; }
body.en .lang-en-inline { display: inline !important; }
.lang-zh-inline { display: none !important; }

/* ===========================
   TYPOGRAPHY
   =========================== */
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 600; }
p { font-size: 0.95rem; color: var(--text-secondary); }

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

/* ===========================
   LAYOUT
   =========================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5.5rem 0; }
.section-sm { padding: 3.5rem 0; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { max-width: 580px; margin: 0 auto; font-size: 1rem; }
.divider { width: 50px; height: 3px; background: var(--accent-gradient); border-radius: 2px; margin: 0.75rem auto 0; }

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 0; transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5, 5, 16, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.nav-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 800; }
.logo-icon {
  width: 34px; height: 34px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: white;
  flex-shrink: 0;
}
.nav-logo .brand-name { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--accent-gradient); transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.lang-toggle {
  padding: 0.35rem 0.85rem; border-radius: 100px;
  font-size: 0.78rem; font-weight: 600; color: var(--text-secondary);
  border: 1px solid var(--border); transition: var(--transition); letter-spacing: 0.04em;
}
.lang-toggle:hover { color: var(--accent-cyan); border-color: var(--border-accent); background: rgba(0,212,255,0.05); }

.nav-cta {
  padding: 0.45rem 1.1rem; background: var(--accent-gradient);
  border-radius: 100px; font-size: 0.82rem; font-weight: 600; color: white;
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,212,255,0.35); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(5, 5, 16, 0.98); backdrop-filter: blur(24px);
  flex-direction: column; align-items: center; justify-content: center; gap: 1.75rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.4rem; font-weight: 600; color: var(--text-secondary); }
.mobile-menu a:hover { color: var(--accent-cyan); }
.mobile-close-btn {
  position: absolute; top: 1.5rem; right: 1.75rem;
  font-size: 1.5rem; color: var(--text-secondary); background: none; border: none; cursor: pointer;
}
.mobile-close-btn:hover { color: var(--text-primary); }
.mobile-menu-bottom { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1.6rem; border-radius: 100px; font-size: 0.9rem; font-weight: 600;
  transition: var(--transition); cursor: pointer; border: none; text-decoration: none;
}
.btn-primary { background: var(--accent-gradient); color: white; }
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,212,255,0.3); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--border-accent); color: var(--accent-cyan); background: rgba(0,212,255,0.05); transform: translateY(-2px); }
.btn-sm { padding: 0.45rem 1.1rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }

/* ===========================
   HERO - HOMEPAGE
   =========================== */
.hero {
  position: relative; min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 3rem; padding-top: 5rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(0,212,255,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(123,47,255,0.07) 0%, transparent 55%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}
.hero-content { position: relative; z-index: 1; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  color: var(--accent-cyan); margin-bottom: 1.5rem;
}
.hero-tag::before {
  content: ''; width: 6px; height: 6px; background: var(--accent-cyan);
  border-radius: 50%; animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}
.hero h1 { margin-bottom: 1.25rem; }
.hero-desc { font-size: 1.05rem; max-width: 520px; margin-bottom: 2.25rem; line-height: 1.75; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero Visual */
.hero-visual { position: relative; z-index: 1; height: 500px; }
.hero-main-card {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 260px;
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(123,47,255,0.06));
  border: 1px solid rgba(0,212,255,0.15); border-radius: var(--radius-lg);
  padding: 2rem; text-align: center;
}
.hmc-icon {
  width: 64px; height: 64px; margin: 0 auto 1rem;
  background: var(--accent-gradient); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; font-size: 2rem;
}
.hmc-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.hmc-sub { font-size: 0.78rem; color: var(--text-muted); }

.float-card {
  position: absolute;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md); padding: 0.9rem 1.1rem;
  backdrop-filter: blur(10px); animation: float 6s ease-in-out infinite;
  min-width: 130px;
}
.float-card:nth-child(2) { top: 8%; right: 5%; animation-delay: 0s; }
.float-card:nth-child(3) { top: 38%; right: 0%; animation-delay: 1.2s; }
.float-card:nth-child(4) { bottom: 18%; right: 8%; animation-delay: 0.6s; }
.float-card:nth-child(5) { bottom: 38%; left: 2%; animation-delay: 1.8s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.fc-label { font-size: 0.68rem; color: var(--text-muted); margin-bottom: 0.25rem; letter-spacing: 0.05em; }
.fc-value { font-size: 1.1rem; font-weight: 700; }
.fc-value.cyan { color: var(--accent-cyan); }
.fc-value.purple { color: #a66bff; }
.fc-value.green { color: #00e676; }
.fc-value.orange { color: #ffa726; }

/* ===========================
   CARDS
   =========================== */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.75rem; transition: var(--transition);
}
.card:hover { background: var(--bg-card-hover); border-color: var(--border-accent); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 1.1rem;
}
.icon-cyan { background: rgba(0,212,255,0.1); color: var(--accent-cyan); }
.icon-purple { background: rgba(123,47,255,0.1); color: #a66bff; }
.icon-green { background: rgba(0,230,118,0.1); color: #00e676; }
.icon-orange { background: rgba(255,167,38,0.1); color: #ffa726; }
.icon-pink { background: rgba(255,64,129,0.1); color: #ff4081; }
.icon-blue { background: rgba(41,182,246,0.1); color: #29b6f6; }
.card h3 { margin-bottom: 0.6rem; }
.card p { font-size: 0.9rem; line-height: 1.7; }

/* ===========================
   GRIDS
   =========================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }

/* ===========================
   STATS
   =========================== */
.stat-card {
  text-align: center; padding: 2rem 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.stat-number {
  font-size: 2.6rem; font-weight: 800; line-height: 1;
  background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 0.4rem;
}
.stat-label { font-size: 0.85rem; color: var(--text-secondary); }

/* ===========================
   BG ALTERNATES
   =========================== */
.bg-alt { background: var(--bg-secondary); }

.section-divider { height: 1px; background: var(--border); margin: 0; }

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(123,47,255,0.05));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  text-align: center; padding: 5rem 0;
}
.cta-section h2 { margin-bottom: 0.75rem; }
.cta-section p { max-width: 480px; margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===========================
   PAGE HERO (inner pages)
   =========================== */
.page-hero {
  padding: 9rem 0 4rem; text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center top, rgba(0,212,255,0.06) 0%, transparent 65%);
}
.page-hero > .container { position: relative; }
.page-hero .section-tag { margin-bottom: 0.75rem; }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* ===========================
   ABOUT PAGE
   =========================== */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.mv-card {
  padding: 2.25rem; border-radius: var(--radius-lg); border: 1px solid var(--border);
}
.mv-card.mission {
  background: linear-gradient(135deg, rgba(0,212,255,0.05), transparent);
  border-color: rgba(0,212,255,0.15);
}
.mv-card.vision {
  background: linear-gradient(135deg, rgba(123,47,255,0.05), transparent);
  border-color: rgba(123,47,255,0.15);
}
.mv-icon { font-size: 2.25rem; margin-bottom: 0.9rem; }
.mv-card h3 { margin-bottom: 0.75rem; }
.mv-card p { line-height: 1.8; }

.team-card {
  text-align: center; padding: 1.75rem 1.25rem;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: var(--transition);
}
.team-card:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.team-avatar {
  width: 72px; height: 72px; border-radius: 50%; background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; margin: 0 auto 1rem;
}
.team-card h4 { margin-bottom: 0.25rem; }
.team-card p { font-size: 0.82rem; color: var(--text-muted); }

.about-intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.about-intro-text h2 { margin-bottom: 1rem; }
.about-intro-text p { line-height: 1.8; margin-bottom: 1rem; }
.about-visual {
  position: relative; padding: 2rem;
  background: linear-gradient(135deg, rgba(0,212,255,0.04), rgba(123,47,255,0.04));
  border: 1px solid var(--border); border-radius: var(--radius-lg); text-align: center;
}
.about-visual-icon { font-size: 5rem; margin-bottom: 1rem; }
.about-badge-row { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-top: 1.5rem; }
.badge {
  display: inline-block; padding: 0.25rem 0.75rem; border-radius: 100px;
  font-size: 0.75rem; font-weight: 600;
}
.badge-cyan { background: rgba(0,212,255,0.1); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.2); }
.badge-purple { background: rgba(123,47,255,0.1); color: #a66bff; border: 1px solid rgba(123,47,255,0.2); }
.badge-green { background: rgba(0,230,118,0.1); color: #00e676; border: 1px solid rgba(0,230,118,0.2); }

/* ===========================
   SERVICES PAGE
   =========================== */
.service-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
  padding: 2.5rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); margin-bottom: 1.5rem; transition: var(--transition);
}
.service-detail:hover { border-color: var(--border-accent); }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.sd-icon { font-size: 3.5rem; margin-bottom: 0.75rem; }
.sd-tag { font-size: 0.75rem; color: var(--accent-cyan); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.sd-content h3 { margin-bottom: 0.75rem; }
.sd-content p { line-height: 1.75; margin-bottom: 1rem; }
.sd-features { display: flex; flex-direction: column; gap: 0.6rem; }
.sd-feature {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.875rem; color: var(--text-secondary);
}
.sd-feature::before {
  content: ''; width: 6px; height: 6px; flex-shrink: 0;
  background: var(--accent-cyan); border-radius: 50%;
}
.sd-visual {
  background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(123,47,255,0.05));
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 2.5rem; text-align: center;
}
.sd-visual-icon { font-size: 5rem; margin-bottom: 1rem; }
.sd-visual p { font-size: 0.85rem; }

/* ===========================
   CONTACT PAGE
   =========================== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 3rem; }

.contact-info-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); margin-bottom: 1rem; transition: var(--transition);
}
.contact-info-item:hover { border-color: var(--border-accent); }
.ci-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1); display: flex; align-items: center;
  justify-content: center; font-size: 1.1rem; flex-shrink: 0;
}
.ci-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; margin-bottom: 0.3rem; }
.ci-value { font-size: 0.9rem; color: var(--text-primary); line-height: 1.5; }
.ci-value a { color: var(--accent-cyan); }
.ci-value a:hover { text-decoration: underline; }

.form-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.25rem;
}
.form-card h3 { margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0.4rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.7rem 0.9rem;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: inherit; font-size: 0.9rem; transition: var(--transition); outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--border-accent); background: rgba(0,212,255,0.03);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: #0d0d2b; color: white; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ===========================
   LEGAL PAGES (Privacy & Terms)
   =========================== */
.legal-wrapper { max-width: 820px; margin: 0 auto; padding-bottom: 5rem; }
.legal-meta {
  padding: 1rem 1.5rem; margin-bottom: 2.5rem;
  background: rgba(0,212,255,0.05); border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.legal-meta p { font-size: 0.875rem; margin: 0; }
.legal-toc {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.5rem; margin-bottom: 2.5rem;
}
.legal-toc h4 { margin-bottom: 1rem; color: var(--text-secondary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; }
.legal-toc ol { list-style: decimal; padding-left: 1.25rem; }
.legal-toc ol li { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 0.4rem; }
.legal-toc ol li a { color: var(--text-secondary); }
.legal-toc ol li a:hover { color: var(--accent-cyan); }

.legal-content h2 {
  font-size: 1.5rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 0.75rem;
  color: var(--text-primary); padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 {
  font-size: 1.05rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem;
  color: var(--accent-cyan);
}
.legal-content p { line-height: 1.8; margin-bottom: 0.9rem; font-size: 0.9rem; }
.legal-content ul { margin: 0.5rem 0 1rem 1.5rem; list-style: disc; }
.legal-content ul li { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.4rem; line-height: 1.7; }
.legal-content strong { color: var(--text-primary); font-weight: 600; }

/* ===========================
   FOOTER
   =========================== */
footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.875rem; max-width: 250px; line-height: 1.7; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.875rem; color: var(--text-secondary); }
.footer-links a:hover { color: var(--accent-cyan); }
.footer-contact-item { display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.6rem; }
.fci-icon { font-size: 0.85rem; margin-top: 2px; flex-shrink: 0; }
.fci-text { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.5; }
.fci-text a { color: var(--accent-cyan); }
.fci-text a:hover { text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.75rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.82rem; color: var(--text-muted); }
.footer-legal a:hover { color: var(--text-secondary); }

/* ===========================
   ANIMATIONS (scroll)
   =========================== */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-d1 { transition-delay: 0.1s; }
.fade-up-d2 { transition-delay: 0.2s; }
.fade-up-d3 { transition-delay: 0.3s; }
.fade-up-d4 { transition-delay: 0.4s; }
.fade-up-d5 { transition-delay: 0.5s; }

/* ===========================
   GLOW ORBS
   =========================== */
.orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(90px); opacity: 0.6;
}
.orb-cyan { background: rgba(0,212,255,0.1); }
.orb-purple { background: rgba(123,47,255,0.1); }

/* ===========================
   MISC UTILS
   =========================== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-cyan); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-intro-grid { grid-template-columns: 1fr; gap: 2rem; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail.reverse { direction: ltr; }
  .service-detail.reverse > * { direction: ltr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }
  .section { padding: 4rem 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .mv-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}