/* ===========================
   CSS Variables & Reset
=========================== */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --secondary: #db2777;
  --accent: #f472b6;
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card2: #16161f;
  --border: rgba(124, 58, 237, 0.2);
  --text-primary: #f0f0ff;
  --text-secondary: #9999bb;
  --text-muted: #5a5a7a;
  --gradient: linear-gradient(135deg, #7c3aed, #db2777);
  --gradient-2: linear-gradient(135deg, #0369a1, #7c3aed);
  --shadow: 0 8px 32px rgba(124, 58, 237, 0.15);
  --shadow-lg: 0 20px 60px rgba(124, 58, 237, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===========================
   Utilities
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.55);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  border: 1.5px solid rgba(124, 58, 237, 0.5);
  color: var(--primary-light);
  background: rgba(124, 58, 237, 0.05);
}

.btn-outline:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* ===========================
   Navbar
=========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(124, 58, 237, 0.12);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary-light);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   Hero Section
=========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,58,237,0.18) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 80% 80%, rgba(219,39,119,0.12) 0%, transparent 60%),
              linear-gradient(180deg, #0a0a0f 0%, #0d0d18 100%);
}

.star {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: white;
  animation: twinkle var(--d) ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.2; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1.3); }
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  top: -100px; left: -100px;
  background: rgba(124, 58, 237, 0.12);
  animation-delay: 0s;
}

.orb-2 {
  width: 400px; height: 400px;
  bottom: -80px; right: -80px;
  background: rgba(219, 39, 119, 0.1);
  animation-delay: -3s;
}

.orb-3 {
  width: 300px; height: 300px;
  top: 50%; right: 20%;
  background: rgba(3, 105, 161, 0.08);
  animation-delay: -6s;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero-title {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-desc {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item > span:not(.stat-num):not(.stat-label) {
  font-size: 22px;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  animation: fadeIn 1s ease 1s both;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 1.5px solid var(--text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 2px;
  animation: scrollDown 2s ease infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(16px); opacity: 0; }
}

/* ===========================
   Works Section
=========================== */
.works {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(12,12,20,1) 100%);
}

.works-filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: transparent;
  transition: all var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.work-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.work-card:hover {
  transform: translateY(-8px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: var(--shadow-lg);
}

.work-card.hidden { display: none; }

.work-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.work-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.work-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.art-circle {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  animation: spin 20s linear infinite;
}

.art-lines {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.15);
  animation: spin 10s linear infinite reverse;
}

.art-icon {
  font-size: 42px;
  position: relative;
  z-index: 1;
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.work-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.work-card:hover .work-cover {
  transform: scale(1.06);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.work-card:hover .work-overlay { opacity: 1; }

.work-play {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: white;
  color: var(--primary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
  padding-left: 4px;
}

.work-play:hover { transform: scale(1.1); }

.work-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  font-size: 12px;
  color: white;
  font-weight: 500;
}

.work-info {
  padding: 20px;
}

.work-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.work-info > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.work-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 3px 10px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 100px;
  font-size: 12px;
  color: var(--primary-light);
}

.work-score {
  margin-left: auto;
  font-size: 13px;
  color: #fbbf24;
  font-weight: 600;
}

.works-more { text-align: center; }

/* ===========================
   About Section
=========================== */
.about {
  background: linear-gradient(180deg, rgba(12,12,20,1) 0%, var(--bg-dark) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual { position: relative; }

.about-img-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-img-inner {
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(124,58,237,0.2), rgba(219,39,119,0.1));
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-svg { width: 85%; height: 85%; }

.about-badge-1, .about-badge-2 {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  animation: float 4s ease-in-out infinite;
}

.about-badge-1 { top: 20px; right: -30px; animation-delay: 0s; }
.about-badge-2 { bottom: 40px; left: -20px; animation-delay: -2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-icon { font-size: 28px; }

.badge-num {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge-text { font-size: 12px; color: var(--text-muted); }

.about-content .section-tag { display: inline-block; }
.about-content .section-title { text-align: left; margin-top: 12px; }

.about-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.8;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===========================
   Services Section
=========================== */
.services {
  background: radial-gradient(ellipse 80% 50% at 50% 50%, rgba(124,58,237,0.07) 0%, transparent 70%),
              var(--bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: var(--shadow);
}

.service-card--featured {
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(219,39,119,0.1));
  border-color: rgba(124, 58, 237, 0.4);
}

.service-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  padding: 4px 14px;
  background: var(--gradient);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: white;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--sc1), var(--sc2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  padding: 12px;
}

.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 13px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  font-size: 10px;
  top: 2px;
}

/* ===========================
   Team Section
=========================== */
.team {
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(12,12,20,1) 100%);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(124, 58, 237, 0.4);
}

.team-avatar {
  background: linear-gradient(135deg, var(--ta1), var(--ta2));
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.team-avatar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1), transparent);
}

.team-avatar svg { width: 80px; height: 80px; position: relative; }

.team-info {
  padding: 24px;
}

.team-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role {
  font-size: 12px;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.team-info > p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.team-social {
  display: flex;
  gap: 8px;
}

.social-link {
  padding: 4px 12px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 100px;
  font-size: 12px;
  color: var(--primary-light);
  transition: all var(--transition);
}

.social-link:hover {
  background: rgba(124, 58, 237, 0.25);
}

/* ===========================
   Partners Section
=========================== */
.partners {
  background: rgba(12,12,20,1);
  padding: 70px 0;
  overflow: hidden;
}

.partners-track-wrap {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.partners-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marquee 20s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.partner-item {
  padding: 16px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--transition);
}

.partner-item:hover {
  color: var(--text-primary);
  border-color: rgba(124, 58, 237, 0.4);
}

/* ===========================
   Contact Section
=========================== */
.contact {
  background: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  font-size: 24px;
  width: 48px;
  height: 48px;
  background: rgba(124, 58, 237, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

.contact-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-btn {
  padding: 8px 18px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-light);
  transition: all var(--transition);
}

.social-btn:hover {
  background: rgba(124, 58, 237, 0.25);
  transform: translateY(-2px);
}

/* ===========================
   Contact Form
=========================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color var(--transition);
  outline: none;
  resize: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239999bb' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group select option {
  background: #1a1a28;
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

/* Submit button loading state */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

.form-success {
  padding: 14px 18px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: #34d399;
}

/* ===========================
   Footer
=========================== */
.footer {
  background: rgba(8, 8, 14, 1);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand .logo { margin-bottom: 20px; }

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  padding: 6px 14px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-social a:hover {
  color: var(--primary-light);
  border-color: rgba(124, 58, 237, 0.4);
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links ul li a:hover { color: var(--primary-light); }

.footer-qr {
  display: flex;
  gap: 16px;
}

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-placeholder {
  width: 80px;
  height: 80px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  color: var(--text-muted);
}

.qr-box span {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-bottom a:hover { color: var(--primary-light); }

/* ===========================
   Back to top
=========================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--gradient);
  color: white;
  border-radius: 50%;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  pointer-events: none;
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.55);
}

/* ===========================
   Animations
=========================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  animation: fadeInUp 0.6s ease both;
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual { display: flex; justify-content: center; }
  .about-content .section-title { text-align: center; }
  .about-content .section-tag { text-align: center; display: block; }
  .about-content { text-align: center; }
  .feature-item { text-align: left; }
  .about-content .btn { display: inline-flex; }

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

@media (max-width: 768px) {
  .section { padding: 70px 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 12px 16px 20px;
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }

  .menu-toggle { display: flex; }

  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .about-badge-1 { right: 0; }
  .about-badge-2 { left: 0; }

  .hero-btns { flex-direction: column; align-items: center; }
}

/* ===========================
   Video Modal
=========================== */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.video-modal.open {
  opacity: 1;
  pointer-events: all;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.video-modal-box {
  position: relative;
  width: 100%;
  max-width: 900px;
  background: #0d0d18;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(124, 58, 237, 0.3);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(124,58,237,0.15);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.video-modal.open .video-modal-box {
  transform: scale(1) translateY(0);
}

.video-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.video-modal-close:hover {
  background: rgba(239, 68, 68, 0.8);
  transform: rotate(90deg);
}

.video-modal-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-modal-player video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

@media (max-width: 480px) {
  .services-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .about-img-inner { width: 280px; height: 280px; }
  .back-to-top { bottom: 20px; right: 20px; }
}