/* ========================================================
   styles.css — 福州市同协信息技术有限公司官网全局样式
   Design: Dark Tech / Glassmorphism / Sci-fi Blue
   ======================================================== */

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

:root {
  --color-bg:        #060d1a;
  --color-bg-2:      #0a1628;
  --color-bg-3:      #0d1f3c;
  --color-primary:   #1a6fd4;
  --color-accent:    #00d4ff;
  --color-accent-2:  #7b6fff;
  --color-text:      #e0eaff;
  --color-muted:     #7a90b8;
  --color-border:    rgba(0, 212, 255, 0.15);
  --color-glass:     rgba(10, 22, 40, 0.65);
  --font-main:       'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition:      0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius:          12px;
  --radius-lg:       20px;
  --shadow-glow:     0 0 24px rgba(0, 212, 255, 0.2);
  --shadow-card:     0 8px 40px rgba(0, 0, 0, 0.45);
  --max-width:       1200px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 4px; }

/* ---- Utilities ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--color-accent);
  text-transform: uppercase;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.2;
}

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

.section-label {
  text-align: center;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: 32px;
}

.subsection-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 40px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.subsection-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* ---- Reveal Animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #0a52b0);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 111, 212, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26, 111, 212, 0.55);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.1) inset;
}
.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.2) inset, var(--shadow-glow);
}

/* ====================================================
   NAVBAR
   ==================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(6, 13, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
}
.logo-icon { display: flex; align-items: center; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-link {
  display: block;
  padding: 7px 18px;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 50px;
  transition: var(--transition);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(0, 212, 255, 0.1);
}
.nav-link.active {
  color: var(--color-accent);
}

.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-dropdown .dropdown-arrow {
  font-size: 9px;
  margin-left: 3px;
  opacity: 0.7;
  transition: transform 0.2s ease;
  color: var(--color-text);
}
.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  list-style: none;
  background: rgba(12, 22, 40, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 6px;
  margin-top: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  z-index: 1001;
}
.nav-dropdown:hover > .dropdown-menu,
.nav-dropdown:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  border-radius: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.dropdown-item:hover {
  color: #fff;
  background: rgba(0, 212, 255, 0.1);
}
.dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 6px 4px;
}
.dropdown-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.8;
}
.dropdown-group i {
  font-size: 12px;
}
.dropdown-item i {
  width: 14px;
  text-align: center;
  color: var(--color-accent);
  opacity: 0.7;
  font-size: 13px;
}
.dropdown-sub-item {
  padding-left: 36px;
}
.dropdown-sub-item i {
  opacity: 0.5;
}
.dropdown-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.dropdown-disabled:hover {
  background: transparent;
  color: var(--color-muted);
}
.coming-soon {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.1);
  border-radius: 4px;
  opacity: 0.8;
}

/* ---- Language Switcher ---- */
.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-left: 12px;
  flex-shrink: 0;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-main);
  padding: 5px 12px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.lang-btn:hover {
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.08);
}

.lang-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), #0a52b0);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ====================================================
   HERO SECTION
   ==================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, #0d2248 0%, var(--color-bg) 70%);
  padding-top: 80px;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 1;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,111,212,0.25) 0%, transparent 70%);
  top: -100px; left: -150px;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
  bottom: 50px; right: -100px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(123,111,255,0.12) 0%, transparent 70%);
  top: 40%; left: 60%;
  animation: orbFloat 12s ease-in-out infinite 2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 28px;
  letter-spacing: 1px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(36px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 20px;
}
.title-dot { color: var(--color-accent); }
.title-highlight {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(15px, 2vw, 20px);
  color: var(--color-muted);
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.5s both;
}
.scroll-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.4; }
}

/* ---- Advantages Cards ---- */
.advantages {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 24px 80px;
  margin-top: -20px;
}

.adv-card {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
  cursor: default;
}
.adv-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 212, 255, 0.15);
}

.adv-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,111,212,0.3), rgba(0,212,255,0.15));
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--color-accent);
  transition: var(--transition);
}
.adv-card:hover .adv-icon {
  background: linear-gradient(135deg, rgba(26,111,212,0.5), rgba(0,212,255,0.3));
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.adv-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.adv-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ====================================================
   STATS SECTION
   ==================================================== */
.stats-section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.stats-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-3) 50%, var(--color-bg) 100%);
}
.stats-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.stat-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transform: scaleX(0);
  transition: transform 0.5s ease;
}
.stat-item:hover::before { transform: scaleX(1); }
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-number {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 900;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  line-height: 1;
}
.stat-suffix {
  display: inline-block;
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  color: var(--color-accent);
  vertical-align: top;
  margin-top: 4px;
}
.stat-label {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 12px;
  letter-spacing: 1px;
}

/* ====================================================
   TECH STACK MARQUEE
   ==================================================== */
.tech-section {
  padding: 60px 0;
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.tech-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
}

.tech-track {
  display: flex;
  gap: 40px;
  animation: marquee 22s linear infinite;
  width: max-content;
}
.tech-track:hover { animation-play-state: paused; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 120px;
  transition: var(--transition);
  cursor: default;
  white-space: nowrap;
}
.tech-item:hover {
  background: rgba(0, 212, 255, 0.07);
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-4px);
}
.tech-item i { font-size: 28px; color: var(--color-accent); }
.tech-item span { font-size: 12px; color: var(--color-muted); font-weight: 500; }

/* ====================================================
   ABOUT SECTION
   ==================================================== */
.about-section {
  padding: 100px 0;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}
.about-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
  opacity: 0.3;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-text h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.about-text p {
  color: var(--color-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(26, 111, 212, 0.15);
  border: 1px solid rgba(26, 111, 212, 0.35);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
}

.about-card-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mvv-card {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
}
.mvv-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateX(4px);
  box-shadow: -4px 0 20px rgba(0, 212, 255, 0.1);
}
.mvv-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(26,111,212,0.3), rgba(0,212,255,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.mvv-card h4 { font-size: 15px; color: #fff; margin-bottom: 4px; }
.mvv-card p { font-size: 13px; color: var(--color-muted); line-height: 1.5; }

/* ---- Timeline ---- */
.timeline-wrap {
  margin-bottom: 80px;
}

.timeline {
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--color-accent), var(--color-primary), transparent);
  transform: translateX(-50%);
}

.tl-item {
  display: flex;
  width: 50%;
  padding-bottom: 40px;
  position: relative;
}
.tl-item.left {
  padding-right: 60px;
  justify-content: flex-end;
}
.tl-item.right {
  padding-left: 60px;
  margin-left: 50%;
}

.tl-dot {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 12px var(--color-accent);
  top: 6px;
}
.tl-item.left .tl-dot { right: -7px; }
.tl-item.right .tl-dot { left: -7px; }

.tl-content {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  max-width: 340px;
  transition: var(--transition);
}
.tl-content:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-glow);
}
.tl-year {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.tl-content h4 { font-size: 15px; color: #fff; margin-bottom: 6px; }
.tl-content p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

/* ---- Team ---- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 212, 255, 0.12);
}

.team-avatar {
  position: relative;
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--color-accent);
}
.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(0, 212, 255, 0.3);
  background: radial-gradient(circle at center, rgba(26,111,212,0.2), transparent);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
}

.team-card h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.team-card p { font-size: 13px; color: var(--color-muted); margin-bottom: 16px; line-height: 1.6; }

.team-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.team-skills span {
  font-size: 11px;
  padding: 3px 10px;
  background: rgba(26, 111, 212, 0.15);
  border: 1px solid rgba(26, 111, 212, 0.3);
  border-radius: 20px;
  color: #7ab8ff;
}

/* ====================================================
   SERVICES SECTION
   ==================================================== */
.services-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.services-bg {
  position: absolute;
  inset: 0;
  background: var(--color-bg-2);
}
.services-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(26,111,212,0.08) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(0,212,255,0.06) 0%, transparent 50%);
}

.services-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transition: var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.5s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.1);
}

.service-glow {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  top: -50px; right: -50px;
  pointer-events: none;
  transition: var(--transition);
}
.service-card:hover .service-glow {
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  transform: scale(1.3);
}

.service-number {
  position: absolute;
  top: 24px; right: 28px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(0, 212, 255, 0.06);
  line-height: 1;
  user-select: none;
  transition: var(--transition);
}
.service-card:hover .service-number {
  color: rgba(0, 212, 255, 0.1);
}

.service-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,111,212,0.35), rgba(0,212,255,0.18));
  border: 1px solid rgba(0, 212, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-accent);
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.service-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 28px;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #b8cce8;
}
.service-features li i {
  color: var(--color-accent);
  font-size: 12px;
  flex-shrink: 0;
}

.service-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.3);
  transition: var(--transition);
}
.service-btn:hover {
  gap: 14px;
  border-bottom-color: var(--color-accent);
}
.service-btn i { transition: transform var(--transition); }
.service-btn:hover i { transform: translateX(4px); }

/* ====================================================
   CONTACT SECTION
   ==================================================== */
.contact-section {
  padding: 100px 0;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 10% 90%, rgba(26,111,212,0.08) 0%, transparent 50%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

/* Info Cards */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition);
}
.info-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateX(4px);
}

.info-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(26,111,212,0.3), rgba(0,212,255,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.info-body h4 { font-size: 14px; color: #fff; margin-bottom: 4px; font-weight: 600; }
.info-body p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  text-align: center;
}
.qr-box {
  padding: 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}
.qr-card p { font-size: 12px; color: var(--color-muted); }

/* Contact Form */
.contact-form-wrap {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.5px;
}
.required { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  resize: vertical;
  -webkit-appearance: none;
}
.form-group select {
  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='%2300d4ff' 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;
  cursor: pointer;
}
.form-group select option {
  background: var(--color-bg-2);
  color: var(--color-text);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(120, 144, 184, 0.6);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #ff5757;
  box-shadow: 0 0 0 3px rgba(255, 87, 87, 0.1);
}

.form-error {
  font-size: 12px;
  color: #ff5757;
  height: 16px;
}

.btn-submit {
  align-self: flex-start;
  padding: 14px 36px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius);
  color: var(--color-accent);
  font-size: 14px;
  animation: fadeInUp 0.5s ease;
}
.form-success i { font-size: 20px; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====================================================
   FOOTER
   ==================================================== */
.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
}

.footer-top { padding: 60px 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 16px;
  text-decoration: none;
  transition: var(--transition);
}
.footer-social a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.35);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--color-muted);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer-contact p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.footer-contact i {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p, .footer-bottom a {
  font-size: 12px;
  color: rgba(120, 144, 184, 0.7);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--color-accent); }

.visit-counter {
  color: var(--color-bg-2);
  user-select: text;
  cursor: default;
}
.visit-counter::selection {
  background: var(--color-accent);
  color: #fff;
}

/* ====================================================
   BACK TO TOP
   ==================================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  z-index: 500;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.45);
}

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media (max-width: 1024px) {
  .advantages { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: rgba(6, 13, 26, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 24px 32px;
    gap: 4px;
    border-left: 1px solid var(--color-border);
    transition: right var(--transition);
    z-index: 999;
    overflow-y: auto;
  }
  .nav-menu.open { right: 0; }
  .nav-link { font-size: 16px; padding: 12px 16px; }
  .nav-dropdown {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-dropdown > .nav-link {
    width: 100%;
  }
  .nav-dropdown .dropdown-arrow { display: none; }
  .dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 24px;
    min-width: auto;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .dropdown-item {
    font-size: 14px;
    padding: 10px 12px;
    white-space: normal;
    word-break: break-word;
    line-height: 1.4;
    align-items: flex-start;
  }
  .dropdown-item span {
    flex: 1;
    min-width: 0;
    display: block;
  }
  .dropdown-item i {
    flex-shrink: 0;
    margin-top: 2px;
  }
  .dropdown-group {
    padding-left: 12px;
  }
  .nav-toggle { display: flex; z-index: 1000; }

  .lang-switch {
    margin-left: 8px;
    order: 3;
  }

  .hero-content { padding: 100px 24px 40px; }
  .hero-title { font-size: clamp(32px, 8vw, 52px); }
  .advantages {
    grid-template-columns: repeat(2, 1fr);
    padding-bottom: 60px;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 20px; }
  .tl-item { width: 100%; padding-left: 60px !important; padding-right: 0 !important; margin-left: 0 !important; justify-content: flex-start !important; }
  .tl-dot { left: 14px !important; right: auto !important; }
  .tl-content { max-width: 100%; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .advantages { grid-template-columns: 1fr; }
  .hero-badge { font-size: 11px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }
  .team-grid { grid-template-columns: 1fr; }
  .services-section { padding: 70px 0; }
  .about-section { padding: 70px 0; }
  .contact-section { padding: 70px 0; }
}