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

:root {
  --teal:      #0D9488;
  --teal-dark: #0A7B72;
  --teal-light:#14B8A6;
  --violet:    #7C3AED;
  --violet-light: #A78BFA;
  --cyan:      #06B6D4;
  --emerald:   #10B981;
  --bg:        #FFFFFF;
  --bg-soft:   #F8FAFC;
  --bg-card:   #FFFFFF;
  --border:    #E2E8F0;
  --text:      #0F172A;
  --text-2:    #475569;
  --text-3:    #94A3B8;
  --radius:    14px;
  --radius-lg: 24px;
  --shadow:    0 4px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.12);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

body.lang-zh {
  font-family: 'Noto Sans TC', 'Plus Jakarta Sans', sans-serif;
  line-height: 1.8;
}

/* ─── Cursor Glow ───────────────────────────────────────────────────────────── */
#cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,148,136,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transition: transform 0s;
}

/* ─── Typography ────────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.body-lang-zh h1, .body-lang-zh h2, .body-lang-zh h3 {
  letter-spacing: 0;
}

/* ─── Utilities ─────────────────────────────────────────────────────────────── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-teal {
  background: rgba(13,148,136,0.1);
  color: var(--teal);
  border: 1px solid rgba(13,148,136,0.2);
}

.badge-violet {
  background: rgba(124,58,237,0.08);
  color: var(--violet);
  border: 1px solid rgba(124,58,237,0.15);
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.gradient-text {
  background: linear-gradient(135deg, var(--teal) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 12px 0 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── Reveal Animations ─────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ─── Navbar ────────────────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 20px 0;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition), padding var(--transition);
}

#navbar.scrolled {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 14px 0;
}

#navbar.hidden-nav { transform: translateY(-100%); }
#navbar.visible-nav { transform: translateY(0); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  background: linear-gradient(135deg, var(--teal), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: var(--bg-soft);
}
.nav-portal-link {
  background: #0D9488 !important;
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600 !important;
}
.nav-portal-link:hover {
  opacity: 0.88;
  background: #0D9488 !important;
  color: #fff !important;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 5px 12px;
  border: none;
  border-radius: 100px;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.lang-btn.active {
  background: var(--text);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.btn-cta-sm {
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  color: #fff;
  border: none;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.btn-cta-sm:hover { opacity: 0.9; transform: translateY(-1px); }

/* Mobile Menu Toggle */
#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

#menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile Menu */
#mobile-menu {
  display: none;
  position: fixed;
  top: 0; right: -100%;
  width: min(320px, 80vw);
  height: 100vh;
  background: #fff;
  box-shadow: var(--shadow-lg);
  z-index: 950;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 80px 24px 32px;
  flex-direction: column;
  gap: 8px;
}

#mobile-menu.open { right: 0; }

#mobile-menu a {
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  border-radius: var(--radius);
  transition: background var(--transition);
}

#mobile-menu a:hover { background: var(--bg-soft); }

.mobile-lang-row {
  margin-top: 16px;
  display: flex;
  gap: 8px;
}
.mobile-lang-row .lang-btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #fff;
  font-weight: 600;
  cursor: pointer;
}

#menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 940;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#menu-overlay.open { opacity: 1; pointer-events: auto; }

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
  background: linear-gradient(160deg, #f0fdfa 0%, #faf5ff 50%, #f0f9ff 100%);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-content h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  margin: 16px 0 20px;
  line-height: 1.08;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--violet) 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(13,148,136,0.3);
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(13,148,136,0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border: 2px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 100px;
  text-decoration: none;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(13,148,136,0.04);
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 4px;
}

/* ─── Services ──────────────────────────────────────────────────────────────── */
#services {
  padding: 96px 0;
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 24px;
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.2s ease;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--violet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
  border-color: rgba(13,148,136,0.25);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  position: relative;
}

.service-icon.teal {
  background: rgba(13,148,136,0.1);
}

.service-icon.violet {
  background: rgba(124,58,237,0.08);
}

.service-icon.cyan {
  background: rgba(6,182,212,0.1);
}

.service-icon.emerald {
  background: rgba(16,185,129,0.1);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.service-card p {
  color: var(--text-2);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ─── Service card New badge ─────────────────────────────────────────────────── */
.service-card--highlight {
  border-color: rgba(13,148,136,0.2);
  background: linear-gradient(135deg, rgba(13,148,136,0.03) 0%, rgba(124,58,237,0.03) 100%);
  position: relative;
}

.service-new-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 3px 10px;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
}

/* ─── Portfolio ──────────────────────────────────────────────────────────────── */
#portfolio {
  padding: 96px 0;
  background: var(--bg-soft);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 28px;
}

.portfolio-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13,148,136,0.2);
}

/* Browser chrome header */
.portfolio-card-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  min-height: 100px;
  justify-content: center;
}

.portfolio-header--teal   { background: linear-gradient(135deg, rgba(13,148,136,0.12) 0%, rgba(6,182,212,0.08) 100%); }
.portfolio-header--violet { background: linear-gradient(135deg, rgba(124,58,237,0.1) 0%, rgba(168,85,247,0.07) 100%); }
.portfolio-header--cyan   { background: linear-gradient(135deg, rgba(6,182,212,0.1) 0%, rgba(16,185,129,0.07) 100%); }

.portfolio-browser-dots {
  position: absolute;
  top: 12px;
  left: 14px;
  display: flex;
  gap: 5px;
}

.portfolio-browser-dots span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--border);
}

.portfolio-browser-dots span:nth-child(1) { background: #ff5f57; }
.portfolio-browser-dots span:nth-child(2) { background: #febc2e; }
.portfolio-browser-dots span:nth-child(3) { background: #28c840; }

.portfolio-url-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 5px 12px;
  max-width: 200px;
  width: 100%;
}

.portfolio-lock { font-size: 11px; }

.portfolio-url-text {
  font-family: 'Space Grotesk', monospace;
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.portfolio-preview-icon {
  position: absolute;
  right: 16px;
  bottom: 10px;
  font-size: 32px;
  opacity: 0.5;
}

/* Card body */
.portfolio-card-body {
  padding: 24px 28px 28px;
  position: relative;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.ptag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.ptag-teal   { background: rgba(13,148,136,0.1);  color: var(--teal);   border: 1px solid rgba(13,148,136,0.2); }
.ptag-violet { background: rgba(124,58,237,0.08); color: var(--violet); border: 1px solid rgba(124,58,237,0.15); }
.ptag-cyan   { background: rgba(6,182,212,0.1);   color: var(--cyan);   border: 1px solid rgba(6,182,212,0.2); }
.ptag-emerald{ background: rgba(16,185,129,0.1);  color: var(--emerald);border: 1px solid rgba(16,185,129,0.2); }

.portfolio-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.portfolio-card-body p {
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 18px;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(13,148,136,0.3);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.portfolio-link:hover {
  color: var(--teal-dark);
  border-color: var(--teal);
}

@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ─── Features ──────────────────────────────────────────────────────────────── */
#features {
  padding: 96px 0;
  background: linear-gradient(160deg, #f0fdfa 0%, #faf5ff 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.feature-item:hover { transform: translateY(-3px); }

.feature-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  box-shadow: 0 4px 16px rgba(13,148,136,0.25);
}

.feature-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.feature-body p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ─── Sneak Peek ─────────────────────────────────────────────────────────────── */
#sneak-peek {
  padding: 96px 0;
  background: linear-gradient(160deg, #0F172A 0%, #1E1B4B 55%, #0A2A28 100%);
  position: relative;
  overflow: hidden;
}

#sneak-peek::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}

#sneak-peek::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -100px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(13,148,136,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.sneak-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: center;
}

.sneak-label-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

#sneak-peek .badge { margin-bottom: 0; }

.sneak-tag {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--teal);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.sneak-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: #fff;
  margin-bottom: 1rem;
}

.sneak-content > p {
  color: #94A3B8;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 1.75rem;
}

.sneak-features {
  list-style: none;
  padding: 0; margin: 0 0 1.5rem;
  display: flex; flex-direction: column; gap: 12px;
}

.sneak-features li {
  display: flex; align-items: flex-start; gap: 12px;
  color: #CBD5E1;
  font-size: 0.95rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.sneak-bullet { flex-shrink: 0; font-size: 1.1rem; line-height: 1.45; }

.sneak-subtext {
  font-size: 0.85rem;
  color: rgba(167,139,250,0.9);
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.sneak-cta {
  display: inline-flex; align-items: center;
  padding: 11px 26px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: rgba(255,255,255,0.65);
  font-weight: 700; font-size: 0.88rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  letter-spacing: 0.06em;
  cursor: default;
  user-select: none;
}

/* Phone visual */
.sneak-visual { position: relative; flex-shrink: 0; }

.sneak-phone {
  width: 190px;
  background: #1E293B;
  border-radius: 30px;
  border: 2px solid rgba(255,255,255,0.1);
  padding: 14px 14px 22px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
}

.sneak-phone-bar {
  width: 56px; height: 5px;
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  margin: 0 auto 14px;
}

.sneak-phone-screen {
  background: #0F172A;
  border-radius: 18px;
  padding: 16px 14px;
  min-height: 230px;
  display: flex; flex-direction: column; gap: 14px;
}

.sneak-qr {
  width: 72px; height: 72px;
  margin: 0 auto;
  border-radius: 8px;
  position: relative;
  background: repeating-conic-gradient(rgba(13,148,136,0.5) 0% 25%, transparent 0% 50%) 0/8px 8px;
  opacity: 0.75;
}

.sneak-qr::before, .sneak-qr::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border: 3px solid rgba(13,148,136,0.95);
  border-radius: 4px;
  box-sizing: border-box;
  background: #0F172A;
}

.sneak-qr::before { top: 4px; left: 4px; }
.sneak-qr::after  { top: 4px; right: 4px; }

.sneak-menu-items { display: flex; flex-direction: column; gap: 10px; }

.sneak-menu-item {
  display: flex; align-items: center; gap: 8px;
}

.sneak-menu-dot {
  width: 28px; height: 28px; border-radius: 6px;
  background: rgba(255,255,255,0.07); flex-shrink: 0;
}

.sneak-menu-lines { flex: 1; display: flex; flex-direction: column; gap: 5px; }

.sneak-menu-line {
  height: 6px; border-radius: 3px;
  background: rgba(255,255,255,0.1);
}

.sneak-menu-line.short { width: 55%; }

.sneak-order-btn {
  height: 32px;
  background: linear-gradient(135deg, #0D9488, #7C3AED);
  border-radius: 8px;
  opacity: 0.85;
}

.sneak-ping {
  position: absolute;
  border-radius: 50%;
  animation: sneakPing 2.2s ease-in-out infinite;
}

.sneak-ping-1 {
  width: 12px; height: 12px;
  background: rgba(13,148,136,0.4);
  border: 2px solid rgba(13,148,136,0.65);
  top: 24px; right: -16px;
  animation-delay: 0s;
}

.sneak-ping-2 {
  width: 10px; height: 10px;
  background: rgba(124,58,237,0.4);
  border: 2px solid rgba(124,58,237,0.55);
  bottom: 50px; left: -16px;
  animation-delay: 1s;
}

@keyframes sneakPing {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.7); opacity: 0.25; }
}

@media (max-width: 768px) {
  .sneak-inner { grid-template-columns: 1fr; }
  .sneak-visual { display: none; }
}

/* ─── Demo Section ──────────────────────────────────────────────────────────── */
#demo {
  padding: 80px 0;
  background: var(--bg);
}

.demo-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.demo-card::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.08), transparent);
}

.demo-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 12px 0 16px;
}

.demo-card p {
  color: var(--text-2);
  max-width: 480px;
  margin: 0 auto 24px;
}

.demo-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(13,148,136,0.06);
  border: 1px solid rgba(13,148,136,0.15);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--teal);
  font-weight: 500;
}

.demo-lang-big {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 32px 0;
}

.demo-lang-big button {
  padding: 12px 28px;
  border-radius: 100px;
  border: 2px solid var(--border);
  background: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-2);
  transition: all var(--transition);
}

.demo-lang-big button.active {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
  box-shadow: 0 4px 16px rgba(13,148,136,0.3);
}

/* ─── Contact ───────────────────────────────────────────────────────────────── */
#contact {
  padding: 96px 0;
  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  top: -200px; left: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.12), transparent 70%);
}

#contact::after {
  content: '';
  position: absolute;
  bottom: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.1), transparent 70%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.contact-text .badge {
  background: rgba(13,148,136,0.15);
  color: #5eead4;
  border-color: rgba(13,148,136,0.3);
}

.contact-text h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #fff;
  margin: 16px 0 20px;
}

.contact-text p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.contact-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
}

.check-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(13,148,136,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #5eead4;
  font-size: 12px;
}

.contact-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
  text-align: center;
}

.wa-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: #25D366;
  color: #fff;
  text-decoration: none;
  border-radius: 100px;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 24px 0 16px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(37,211,102,0.3);
  -webkit-tap-highlight-color: transparent;
}

.wa-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(37,211,102,0.4);
}

.wa-icon {
  font-size: 1.4rem;
}

.wa-note {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.contact-card h3 {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.9);
}

.contact-card > p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin: 8px 0 0;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
footer {
  padding: 40px 0;
  background: #080e1a;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.footer-logo span {
  background: linear-gradient(135deg, var(--teal), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

.footer-links { display: flex; gap: 1rem; }
.footer-links a { color: rgba(255,255,255,0.35); font-size: 0.82rem; text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }

/* ─── Geometric Decorations ─────────────────────────────────────────────────── */
.geo-deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.geo-ring {
  width: 300px; height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(13,148,136,0.1);
}

.geo-ring-2 {
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(124,58,237,0.1);
}

/* ─── Section Background Dots ───────────────────────────────────────────────── */
.dot-pattern {
  background-image: radial-gradient(circle, rgba(13,148,136,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-cta-sm.desktop-only { display: none; }
  #menu-toggle { display: flex; pointer-events: auto; position: relative; z-index: 1001; min-width: 44px; min-height: 44px; justify-content: center; align-items: center; }
  #mobile-menu { display: flex; }
  #menu-overlay { display: block; }

  .hero-stats { gap: 24px; }

  .services-grid { grid-template-columns: 1fr; }

  .demo-card { padding: 32px 24px; }

  .demo-lang-big { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  #hero { padding: 100px 0 60px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .section-header { margin-bottom: 40px; }
  .demo-card { padding: 24px 16px; }
  .contact-card { padding: 24px 16px; }
  .wa-button { width: 100%; justify-content: center; }
}

/* ─── Scroll Indicator ──────────────────────────────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: 0.75rem;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid var(--text-3);
  border-radius: 11px;
  position: relative;
}

.scroll-wheel {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 6px;
  background: var(--text-3);
  border-radius: 2px;
  animation: scroll-wheel 1.5s ease-in-out infinite;
}

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

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ─── Tag stripe ─────────────────────────────────────────────────────────────── */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 32px;
}

.tech-tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  font-family: 'Space Grotesk', sans-serif;
}

/* ─── Page Transition + Language Overlay defined in shared-nav.css ───────────── */

/* ─── Portfolio Live Badge ─────────────────────────────────────────────────── */
.portfolio-live-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #DC2626;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  z-index: 5;
  animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ─── Reduced Motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .reveal-left {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll-indicator,
  .scroll-wheel,
  .badge-dot,
  .sneak-ping,
  .portfolio-live-badge {
    animation: none !important;
  }

  #page-transition,
  #lang-overlay {
    transition: none !important;
  }
}