/* Weizeo Design System - Apple x Spotify x Notion */
/* =====================================================
   WEIZEO DESIGN SYSTEM
   Inspired by Apple, Spotify & Notion
   ===================================================== */

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

:root {
  /* Brand Colors */
  --blue:        #0066cc;
  --blue-bright: #2997ff;
  --blue-glow:   rgba(0,102,204,0.18);
  --purple:      #5645d4;
  --purple-glow: rgba(86,69,212,0.18);
  --green:       #1ed760;
  --green-glow:  rgba(30,215,96,0.18);

  /* Surfaces */
  --bg:          #0a0a0f;
  --bg-2:        #111118;
  --bg-3:        #16161f;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.07);
  --surface-3:   rgba(255,255,255,0.10);

  /* Glass */
  --glass-bg:    rgba(20,20,32,0.72);
  --glass-border:rgba(255,255,255,0.10);

  /* Text */
  --ink:         #ffffff;
  --ink-2:       rgba(255,255,255,0.72);
  --ink-3:       rgba(255,255,255,0.45);
  --ink-4:       rgba(255,255,255,0.28);

  /* Accents */
  --accent-blue:   #0066cc;
  --accent-purple: #5645d4;
  --accent-green:  #1ed760;

  /* Radius */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  18px;
  --r-xl:  24px;
  --r-2xl: 32px;
  --r-pill:9999px;

  /* Spacing */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px;--sp-16: 64px;--sp-20: 80px;--sp-24: 96px;

  /* Nav */
  --nav-h: 64px;

  /* Fonts */
  --font: 'Inter', system-ui, -apple-system, sans-serif;

  /* Transitions */
  --t-fast:   150ms ease;
  --t-base:   250ms ease;
  --t-slow:   450ms cubic-bezier(0.16,1,0.3,1);
  --t-spring: 600ms cubic-bezier(0.34,1.56,0.64,1);
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; cursor: pointer; font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--r-pill);
  padding: 10px 22px;
  transition: transform var(--t-base), opacity var(--t-base), box-shadow var(--t-base), background var(--t-base);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: #0071e3;
  box-shadow: 0 0 0 4px var(--blue-glow), 0 8px 24px rgba(0,102,204,0.35);
}

.btn-large { font-size: 17px; padding: 13px 28px; }

.btn-ghost {
  background: var(--surface-2);
  color: var(--ink);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  background: var(--surface-3);
  border-color: rgba(255,255,255,0.2);
}

.btn-nav {
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--glass-border);
  font-size: 13px;
  padding: 7px 16px;
  backdrop-filter: blur(12px);
}
.btn-nav:hover { background: var(--surface-3); color: var(--ink); }

.btn-outline-white {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(255,255,255,0.35);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

.w-full { width: 100%; justify-content: center; }

/* --- Global Nav --- */
.global-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(10,10,15,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--t-base), border-color var(--t-base);
}
.global-nav.scrolled {
  background: rgba(10,10,15,0.92);
  border-bottom-color: rgba(255,255,255,0.10);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-right: auto;
}
.nav-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.nav-links {
  display: flex;
  gap: var(--sp-1);
}
.nav-link {
  font-size: 13px;
  color: var(--ink-3);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-link:hover { color: var(--ink); background: var(--surface-2); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
  margin-left: var(--sp-2);
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink-2);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--sp-2);
  padding: 0 var(--sp-6);
  background: rgba(10,10,15,0.98);
  border-top: 1px solid rgba(255,255,255,0.07);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow), padding var(--t-slow);
}
.mobile-menu.open {
  max-height: 400px;
  padding: var(--sp-4) var(--sp-6) var(--sp-6);
}
.mobile-link {
  font-size: 17px;
  color: var(--ink-2);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-cta { margin-top: var(--sp-3); }

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + var(--sp-20)) var(--sp-6) var(--sp-20);
  overflow: hidden;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(86,69,212,0.6) 0%, transparent 70%);
  top: -200px; left: -150px;
  animation-duration: 10s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,102,204,0.5) 0%, transparent 70%);
  top: 10%; right: -100px;
  animation-duration: 13s;
  animation-delay: -3s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(30,215,96,0.3) 0%, transparent 70%);
  bottom: -100px; left: 40%;
  animation-duration: 11s;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 15px) scale(0.97); }
}

.grid-lines {
  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;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 13px;
  color: var(--ink-3);
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  margin-bottom: var(--sp-6);
  backdrop-filter: blur(12px);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--green); }
  50%       { opacity: 0.6; box-shadow: 0 0 16px var(--green); }
}

.hero-title {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: var(--sp-6);
}

.text-gradient {
  background: linear-gradient(135deg, #6b8cff 0%, #a78bfa 40%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 400;
  color: var(--ink-3);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto var(--sp-10);
  letter-spacing: -0.01em;
}

.hero-actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.stat-num span {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-3);
}
.stat-label {
  font-size: 13px;
  color: var(--ink-4);
  margin-top: 2px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.1);
}

.scroll-hint {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-4);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50%       { transform: translateY(8px); opacity: 0.8; }
}

/* --- Sections --- */
.section {
  padding: var(--sp-24) 0;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: var(--sp-4);
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}

.section-sub {
  font-size: 17px;
  color: var(--ink-3);
  line-height: 1.65;
  max-width: 560px;
}

/* --- Services Grid --- */
.services-section { text-align: center; }
.services-section .section-sub { margin: 0 auto var(--sp-12); }
.services-section .section-title { margin-bottom: var(--sp-4); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  margin-top: var(--sp-12);
}

.service-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  text-align: left;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform var(--t-slow), border-color var(--t-base), box-shadow var(--t-base);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.18);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.service-card:hover .card-glow { opacity: 1; }

.card-glow {
  position: absolute;
  top: -80px; left: -80px;
  width: 240px; height: 240px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-slow);
}
.glow-blue   { background: rgba(0,102,204,0.4); }
.glow-purple { background: rgba(86,69,212,0.4); }
.glow-green  { background: rgba(30,215,96,0.25); }

.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
}
.icon-blue   { background: rgba(0,102,204,0.15); color: var(--blue-bright); }
.icon-purple { background: rgba(86,69,212,0.15); color: #a78bfa; }
.icon-green  { background: rgba(30,215,96,0.12); color: var(--green); }

.service-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: var(--sp-2);
}

.service-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--sp-3);
}

.service-desc {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.65;
  margin-bottom: var(--sp-5);
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}
.service-list li {
  font-size: 13px;
  color: var(--ink-3);
  padding-left: var(--sp-5);
  position: relative;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue-bright);
  opacity: 0.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-bright);
  transition: gap var(--t-fast);
}
.card-link:hover { gap: var(--sp-2); }

/* --- Features Section --- */
.features-section { overflow: hidden; }
.features-section .container { text-align: center; }
.features-section .section-title { margin-bottom: var(--sp-16); }

.features-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.feature-row-rev { direction: rtl; }
.feature-row-rev > * { direction: ltr; }

.feature-visual { display: flex; justify-content: center; }

/* Glass Feature Card */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.feature-card {
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  width: 100%;
  max-width: 420px;
  transition: transform var(--t-slow), box-shadow var(--t-slow);
}
.feature-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 32px 80px rgba(0,0,0,0.45);
}

.fc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
}
.fc-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
}
.fc-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--r-pill);
}
.badge-blue   { background: rgba(0,102,204,0.2); color: var(--blue-bright); }
.badge-green  { background: rgba(30,215,96,0.15); color: var(--green); }
.badge-purple { background: rgba(86,69,212,0.2); color: #a78bfa; }

.fc-big-num {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: var(--sp-5);
}
.fc-big-num small { font-size: 28px; color: var(--ink-3); }

.fc-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.fc-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--r-pill);
  overflow: hidden;
}
.fc-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-bright) 100%);
  border-radius: var(--r-pill);
  width: 0;
  transition: width 1.2s cubic-bezier(0.16,1,0.3,1);
}
.fc-bar-label { font-size: 12px; color: var(--ink-4); white-space: nowrap; }

.fc-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.fc-hl { color: var(--ink); font-weight: 600; }

/* Steps timeline */
.fc-steps {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.fc-step {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 14px;
  color: var(--ink-4);
  padding: var(--sp-2) 0;
}
.fc-step.done  { color: var(--ink-2); }
.fc-step.active{ color: var(--ink); font-weight: 600; }

.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
  transition: background var(--t-base), box-shadow var(--t-base);
}
.fc-step.done  .step-dot { background: var(--green); }
.fc-step.active .step-dot {
  background: var(--blue-bright);
  box-shadow: 0 0 10px var(--blue-bright);
  animation: pulse 2s ease-in-out infinite;
}

/* Skill bars */
.fc-skills { display: flex; flex-direction: column; gap: var(--sp-4); }
.fc-skill {}
.skill-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: var(--sp-2);
}

/* Feature text */
.feature-tag-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: var(--sp-4);
}
.feature-h {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}
.feature-p {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials-section { text-align: center; }
.testimonials-section .section-sub { margin: 0 auto var(--sp-12); }

.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-12);
}

.testi-card {
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  transition: transform var(--t-slow), border-color var(--t-base);
}
.testi-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.18);
}

.testi-quote {
  font-size: 48px;
  font-weight: 700;
  color: var(--blue-bright);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: -var(--sp-4);
}
.testi-text {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.7;
  flex: 1;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.testi-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.testi-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.testi-role { font-size: 12px; color: var(--ink-4); margin-top: 2px; }

/* --- FAQ --- */
.faq-section { text-align: center; }
.faq-container { max-width: 720px; }
.faq-list { margin-top: var(--sp-10); text-align: left; }

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
}
.faq-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }

.faq-q {
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-2);
  padding: var(--sp-5) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--t-fast);
  user-select: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: '+';
  font-size: 20px;
  font-weight: 300;
  color: var(--ink-4);
  transition: transform var(--t-base), color var(--t-fast);
  flex-shrink: 0;
  margin-left: var(--sp-4);
}
details[open] .faq-q {
  color: var(--ink);
}
details[open] .faq-q::after {
  transform: rotate(45deg);
  color: var(--blue-bright);
}

.faq-a {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.7;
  padding-bottom: var(--sp-5);
  padding-right: var(--sp-8);
}

/* --- CTA Band --- */
.cta-band {
  position: relative;
  padding: var(--sp-20) var(--sp-6);
  text-align: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(86,69,212,0.08) 0%, rgba(0,102,204,0.08) 100%);
}
.orb-cta-1 {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(86,69,212,0.4) 0%, transparent 70%);
  top: -200px; left: 10%;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 12s ease-in-out infinite;
}
.orb-cta-2 {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,102,204,0.3) 0%, transparent 70%);
  bottom: -150px; right: 15%;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 10s ease-in-out infinite;
  animation-delay: -4s;
}

.cta-content {
  position: relative;
  z-index: 1;
}
.cta-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}
.cta-sub {
  font-size: 17px;
  color: var(--ink-3);
  line-height: 1.65;
  margin-bottom: var(--sp-8);
}
.cta-actions {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact-section { padding: var(--sp-20) 0; }
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-12);
  align-items: start;
}

.contact-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--sp-4);
}
.contact-desc {
  font-size: 16px;
  color: var(--ink-3);
  line-height: 1.7;
  margin-bottom: var(--sp-10);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.contact-item {
  display: flex;
  gap: var(--sp-4);
}
.ci-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-bright);
  flex-shrink: 0;
}
.ci-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-1);
}
.ci-value {
  font-size: 15px;
  color: var(--ink-2);
}

/* Contact Form */
.contact-form-wrap {
  border-radius: var(--r-xl);
  padding: var(--sp-8);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: var(--surface-3);
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-group select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.45)' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group select option {
  background-color: #16161f;
  color: #ffffff;
}

/* --- Footer --- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--sp-12) 0 var(--sp-6);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-10);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-logo-link {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
  width: fit-content;
}
.footer-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}
.footer-slogan {
  font-size: 14px;
  color: var(--ink-4);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}
.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: var(--sp-3);
}
.footer-link {
  display: block;
  font-size: 13px;
  color: var(--ink-4);
  padding: var(--sp-1) 0;
  transition: color var(--t-fast);
}
.footer-link:hover { color: var(--ink-2); }

.footer-bottom {
  padding-top: var(--sp-6);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: 12px;
  color: var(--ink-4);
}

/* --- Animations --- */
.reveal, .reveal-up {
  opacity: 0;
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal { transform: scale(0.96); }
.reveal-up { transform: translateY(24px); }

.reveal.visible, .reveal-up.visible {
  opacity: 1;
  transform: none;
}

.d1 { transition-delay: 100ms; }
.d2 { transition-delay: 200ms; }
.d3 { transition-delay: 300ms; }
.d4 { transition-delay: 400ms; }
.d5 { transition-delay: 500ms; }

/* Animate bar fills */
.fc-fill.animated {
  width: var(--target-width, 95%) !important;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root { --sp-24: 80px; --sp-20: 64px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: var(--sp-8); }
  .feature-row-rev { direction: ltr; }
  .feature-visual { order: 2; }
  .feature-text { order: 1; text-align: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .contact-container { grid-template-columns: 1fr; gap: var(--sp-8); }
}

@media (max-width: 768px) {
  :root { --sp-24: 64px; --sp-20: 48px; --sp-16: 48px; --sp-12: 36px; }
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .burger { display: flex; }
  .mobile-menu { display: flex; }
  
  /* 移动端触摸优化 */
  .btn { min-height: 44px; }
  .btn-large { min-height: 48px; }
  
  .services-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .testi-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .hero-stats { gap: var(--sp-5); }
  .stat-divider { display: none; }
  .hero-actions { flex-direction: column; width: 100%; max-width: 100%; }
  .hero-actions .btn { width: 100%; }
  
  .feature-text { text-align: left; }
  .faq-container { padding: 0 var(--sp-4); }
  .footer-cols { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  
  /* 移动端表单优化 */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
    padding: 14px 16px;
  }
  
  .form-group select {
    background-position: right 12px center;
  }
  
  /* 移动端卡片间距优化 */
  .service-card,
  .testi-card,
  .feature-card {
    padding: var(--sp-6);
  }
  
  /* FAQ 移动端触摸区域 */
  .faq-q {
    padding: var(--sp-4) 0;
    font-size: 15px;
  }
  
  .faq-a {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  :root { --sp-24: 48px; --sp-20: 40px; --sp-16: 36px; --sp-12: 28px; --sp-8: 24px; }
  .hero-title { font-size: 36px; }
  .section-title { font-size: 28px; }
  .service-card { padding: var(--sp-6); }
  .feature-card { padding: var(--sp-6); }
  .testi-card { padding: var(--sp-6); }
}