/* =========================================================
   Summit Quant Capital - Global Styles
   Brand Colors:
   - Background: #000000 / #0A0A0A
   - Gold: #D4AF37
   - Text: #FFFFFF / #AAAAAA
   ========================================================= */

/* Tailwind imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --color-bg: #0c1220;
  --color-bg-alt: #111830;
  --color-surface: #182038;
  --color-gold: #D4AF37;
  --color-gold-light: #F3D77B;
  --color-gold-dark: #A3832A;
  /* Auxiliary accents — used sparingly to break the monochrome darkness */
  --color-cyan: #34D8C0;
  --color-cyan-soft: rgba(52, 216, 192, 0.12);
  --color-violet: #9D7BFF;
  --color-violet-soft: rgba(157, 123, 255, 0.12);
  --color-amber: #E69A4D;
  --color-amber-soft: rgba(230, 154, 77, 0.12);
  /* Light blue — new auxiliary accent to brighten the palette & break the monochrome */
  --color-blue: #5BA8F0;
  --color-blue-light: #8FC7FF;
  --color-blue-soft: rgba(91, 168, 240, 0.14);
  --color-text: #F4F6FA;
  --color-text-muted: #B6BAC4;
  --color-border: #222222;
  --max-width: 1400px;
  --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-smooth: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

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

/* Selection */
::selection {
  background: rgba(212, 175, 55, 0.3);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Container */
.container-summit {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container-summit {
    padding: 0 40px;
  }
}
@media (min-width: 1280px) {
  .container-summit {
    padding: 0 64px;
  }
}

/* Typography helpers */
.text-gold {
  color: var(--color-gold);
}
.text-gold-light {
  color: var(--color-gold-light);
}
.text-muted {
  color: var(--color-text-muted);
}

.bg-surface {
  background-color: var(--color-surface);
}
.border-gold {
  border-color: var(--color-gold);
}

/* Gradient text */
.gradient-gold {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Gold line */
.gold-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth), padding var(--transition-smooth), box-shadow var(--transition-smooth);
  padding: 24px 0;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .navbar-inner {
    padding: 0 40px;
  }
}
@media (min-width: 1280px) {
  .navbar-inner {
    padding: 0 64px;
  }
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-img {
  height: 70px;
  width: auto;
  transition: transform var(--transition-fast);
}
.logo-link:hover .logo-img {
  transform: scale(1.03);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text span:first-child {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}
.logo-text span:last-child {
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

.nav-menu {
  display: none;
}
@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
  }
}

.nav-link {
  position: relative;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 6px 0;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}
.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: var(--color-gold);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: var(--color-gold);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(30px);
  border-left: 1px solid rgba(212, 175, 55, 0.1);
  z-index: 999;
  padding: 100px 32px 40px;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}
.mobile-menu a {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-gold);
  padding-left: 12px;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  z-index: 998;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
}

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

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, rgba(0,0,0,0.3) 0%, #000 100%);
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 0;
  transform: perspective(1000px) rotateX(60deg);
  transform-origin: center top;
  opacity: 0.4;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 1100px;
}

.hero-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  line-height: 1.05;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.65rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
  font-weight: 300;
}

.hero-slogan {
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  letter-spacing: 0.15em;
  color: var(--color-gold-light);
  margin-bottom: 48px;
  font-weight: 500;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 2px;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  border: none;
}
.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
  color: #000;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transition: left 0.6s ease;
}
.btn-primary:hover::before {
  left: 100%;
}
.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

/* Section defaults */
.section {
  position: relative;
  padding: 100px 0;
}
@media (min-width: 768px) {
  .section {
    padding: 140px 0;
  }
}

.section-alt {
  background:
    radial-gradient(60% 50% at 15% 20%, rgba(91, 168, 240, 0.09), transparent 60%),
    radial-gradient(55% 50% at 85% 80%, rgba(157, 123, 255, 0.07), transparent 60%),
    radial-gradient(50% 50% at 50% 100%, rgba(212, 175, 55, 0.05), transparent 60%),
    var(--color-bg-alt);
}

.section-label {
  display: inline-block;
  color: var(--color-gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-desc {
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  max-width: 720px;
}

/* Reveal animation base */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* About section image */
.about-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  border: 1px solid rgba(212, 175, 55, 0.1);
}
.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), transparent 60%);
  z-index: 1;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Data cards */
.data-card {
  background: rgba(17, 17, 17, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  padding: 32px;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.data-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(212, 175, 55, 0.05);
}
.data-card .number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 8px;
  line-height: 1;
}
.data-card .label {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.data-card .desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Business cards */
.busi-card {
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 36px;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.busi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.busi-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.25);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.busi-card:hover::before {
  transform: scaleX(1);
}
.busi-card .icon {
  position: relative;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  color: var(--color-gold);
  z-index: 1;
}
.busi-card .icon::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,0.16), transparent 70%);
  opacity: 0.8;
  z-index: -1;
}
.busi-card .icon.icon-cyan::before  { background: radial-gradient(circle, rgba(52,216,192,0.16), transparent 70%); }
.busi-card .icon.icon-violet::before{ background: radial-gradient(circle, rgba(157,123,255,0.16), transparent 70%); }
.busi-card .icon.icon-amber::before { background: radial-gradient(circle, rgba(230,154,77,0.16), transparent 70%); }
.busi-card .icon.icon-blue::before  { background: radial-gradient(circle, rgba(91,168,240,0.18), transparent 70%); }
.busi-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.busi-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Solution rows */
.solution-row {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 1024px) {
  .solution-row {
    grid-template-columns: 1fr 1fr;
  }
  .solution-row.reverse {
    direction: rtl;
  }
  .solution-row.reverse > * {
    direction: ltr;
  }
}

.solution-card {
  background: rgba(17, 17, 17, 0.5);
  border-left: 3px solid rgba(212, 175, 55, 0.4);
  padding: 32px;
  border-radius: 0 4px 4px 0;
}
.solution-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
}
.solution-card h3 span {
  color: var(--color-gold);
  margin-right: 10px;
}
.solution-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.solution-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.10);
  border: 1px solid rgba(212, 175, 55, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  margin-bottom: 24px;
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.08);
}
.solution-icon.icon-cyan  { background: rgba(52,216,192,0.10); border-color: rgba(52,216,192,0.25); box-shadow: 0 0 30px rgba(52,216,192,0.08); }
.solution-icon.icon-violet{ background: rgba(157,123,255,0.10); border-color: rgba(157,123,255,0.25); box-shadow: 0 0 30px rgba(157,123,255,0.08); }
.solution-icon.icon-amber { background: rgba(230,154,77,0.10); border-color: rgba(230,154,77,0.25); box-shadow: 0 0 30px rgba(230,154,77,0.08); }
.solution-icon.icon-blue  { background: rgba(91,168,240,0.10); border-color: rgba(91,168,240,0.25); box-shadow: 0 0 30px rgba(91,168,240,0.08); }

/* Advantage cards */
.advantage-card {
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 36px;
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.advantage-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.3);
}
.advantage-card .num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(212, 175, 55, 0.18);
  line-height: 1;
}
.advantage-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-right: 50px;
}
.advantage-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
}
@media (min-width: 1024px) {
  .timeline {
    padding-left: 0;
  }
}

.timeline-track {
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold), rgba(91,168,240,0.45) 60%, rgba(91,168,240,0.1));
}
@media (min-width: 1024px) {
  .timeline-track {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}
@media (min-width: 1024px) {
  .timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
  .timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    grid-column: 1;
  }
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
    text-align: left;
  }
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 3px solid var(--color-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
  z-index: 2;
}
@media (min-width: 1024px) {
  .timeline-dot {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 8px;
}
.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.timeline-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Mission/Vision */
.mission-block {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.mission-quote {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 48px;
  color: rgba(255, 255, 255, 0.95);
}
.mission-quote strong {
  color: var(--color-gold);
  font-weight: 500;
}

.principles {
  display: grid;
  gap: 24px;
}
@media (min-width: 768px) {
  .principles {
    grid-template-columns: repeat(3, 1fr);
  }
}
.principle {
  padding: 32px;
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  background: rgba(17, 17, 17, 0.4);
}
.principle h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-gold);
}
.principle p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  position: relative;
  padding: 120px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #080b13 50%, var(--color-bg) 100%);
  overflow: hidden;
}
.cta-section .container-summit {
  position: relative;
  z-index: 1;
}

/*  hero  */
.team-hero .container-summit {
  position: relative;
  z-index: 1;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.4), transparent);
}

/* Footer */
.footer {
  background:
    radial-gradient(60% 40% at 85% 10%, rgba(212, 175, 55, 0.07), transparent 60%),
    radial-gradient(50% 40% at 10% 90%, rgba(91, 168, 240, 0.06), transparent 60%),
    #070b14;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 20px;
  max-width: 320px;
}

.footer-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 6px;
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* Credentials page */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.cred-card {
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(255,255,255,0.05), transparent 55%),
    rgba(30, 40, 64, 0.60);
  border: 1px solid rgba(255, 255, 255, 0.10);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 14px 38px rgba(0,0,0,0.40);
}
@media (min-width: 768px) {
  .cred-grid {
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  }
}

.cred-card {
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.cred-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.3);
}
.cred-card img {
  width: 100%;
  height: auto;
  display: block;
  background: #111;
}
.cred-card .cred-title {
  padding: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Team page */
.team-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #080b13 0%, #0c1220 100%);
  padding: 160px 0 80px;
}

.team-grid {
  display: grid;
  gap: 48px;
  align-items: start;
}
@media (min-width: 1024px) {
  .team-grid {
    grid-template-columns: 2fr 3fr;
  }
}

.team-photo {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.1);
}
.team-photo img {
  width: 100%;
  height: auto;
  display: block;
}
.team-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(0,0,0,0.6) 100%);
}

.team-name {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 6px;
}
.team-role {
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.team-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gold);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.team-list {
  display: grid;
  gap: 10px;
}
.team-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.team-list-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  margin-top: 8px;
  flex-shrink: 0;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.open {
  display: flex;
}
.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border: 1px solid rgba(212, 175, 55, 0.2);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.lightbox-close:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

/* Utility */
.divider-gold {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-dark));
  margin: 24px 0;
}
.divider-gold.center {
  margin-left: auto;
  margin-right: auto;
}

/* Parallax helpers */
.parallax-slow {
  will-change: transform;
}

/* =========================================================
   Impeccable Upgrade —  / 
   ========================================================= */

/* ----------  ---------- */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    /*  */
    radial-gradient(55% 48% at 12% 8%, rgba(212, 175, 55, 0.20), transparent 58%),
    /*  */
    radial-gradient(54% 50% at 90% 92%, rgba(212, 175, 55, 0.15), transparent 58%),
    /*  +  */
    radial-gradient(48% 44% at 82% 30%, rgba(91, 168, 240, 0.18), transparent 58%),
    /*  */
    radial-gradient(44% 42% at 18% 72%, rgba(157, 123, 255, 0.14), transparent 60%),
    /*  */
    radial-gradient(72% 62% at 50% 45%, rgba(42, 58, 95, 0.36), transparent 74%),
    /*  */
    linear-gradient(180deg, #0e1628 0%, #0c1220 50%, #090d18 100%);
}
.page-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/bg-grid.svg');
  background-size: 90px 90px;
  opacity: 0.45;
  /*  */
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 95%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 95%);
}
.page-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/bg-noise.svg');
  background-size: 240px 240px;
  opacity: 0.05;
  mix-blend-mode: overlay;
}

/* ---------- Section  /  /  ---------- */
.section > .container-summit {
  position: relative;
  z-index: 1;
}
.section-decor {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.45;
}
.decor-orbits {
  width: clamp(360px, 42vw, 560px);
  height: clamp(360px, 42vw, 560px);
  background-image: url('../images/bg-orbits.svg');
}
.decor-orbits.tr { top: -100px; right: -120px; }
.decor-orbits.bl { bottom: -120px; left: -120px; transform: rotate(180deg); }
.decor-mosaic {
  width: clamp(320px, 36vw, 520px);
  height: clamp(240px, 27vw, 390px);
  background-image: url('../images/bg-mosaic.svg');
  opacity: 0.6;
}

/*  */
.float-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.22), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
  animation: floatOrb 12s ease-in-out infinite;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(30px, -25px) scale(1.12); opacity: 0.8; }
}

/* ----------  ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, #F3D77B, #D4AF37 50%, #A3832A);
  z-index: 1100;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

/* ----------  ---------- */
.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F3D77B 0%, #D4AF37 50%, #A3832A 100%);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 950;
  border: none;
  opacity: 0;
  transform: translateY(24px) scale(0.7);
  pointer-events: none;
  transition: opacity 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.3s ease;
  box-shadow: 0 8px 28px rgba(212, 175, 55, 0.35);
}
.back-to-top.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top:hover {
  box-shadow: 0 12px 42px rgba(212, 175, 55, 0.55);
  transform: translateY(-3px) scale(1.06);
}
.back-to-top svg {
  width: 22px;
  height: 22px;
  transition: transform 0.3s ease;
}
.back-to-top:hover svg { transform: translateY(-3px); }
@media (min-width: 768px) {
  .back-to-top { right: 36px; bottom: 36px; width: 56px; height: 56px; }
}

/* ----------  spotlight ---------- */
.spotlight {
  position: relative;
  overflow: hidden;
}
.spotlight::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(212, 175, 55, 0.12), transparent 42%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}
.spotlight:hover::after { opacity: 1; }
.spotlight > * { position: relative; z-index: 2; }

/* ----------  ---------- */
.magnetic { display: inline-block; transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); will-change: transform; }

/* ----------  reveal  ---------- */
.reveal-left {
  opacity: 0;
  transform: translateX(-44px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal-right {
  opacity: 0;
  transform: translateX(44px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal-left.visible, .reveal-right.visible, .reveal-scale.visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/*  */
.section-title-underline {
  display: inline-block;
  position: relative;
}
.section-title-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-dark));
  transition: width 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}
.section-title-underline.visible::after { width: 100%; }

/* ---------- / ---------- */
.bg-figure {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.12);
}
.bg-figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bg-figure::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(212, 175, 55, 0.10), transparent 60%);
  mix-blend-mode: screen;
}

/* =========================================================
    —  + 
   ========================================================= */
.cred-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 56px;
  align-items: start;
}
.cred-nav {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cred-nav .cred-nav-title {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
  font-weight: 600;
}
.cred-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 11px 14px;
  border-left: 2px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, padding-left 0.3s ease;
  border-radius: 0 4px 4px 0;
}
.cred-nav a:hover { color: var(--color-gold); padding-left: 20px; }
.cred-nav a.active {
  color: var(--color-gold);
  border-left-color: var(--color-gold);
  background: rgba(212, 175, 55, 0.07);
}
@media (max-width: 900px) {
  .cred-layout { grid-template-columns: 1fr; gap: 28px; }
  .cred-nav {
    position: sticky;
    top: 68px;
    z-index: 60;
    flex-direction: row;
    overflow-x: auto;
    gap: 6px;
    padding: 10px 0 12px;
    background: rgba(6, 6, 6, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
  }
  .cred-nav .cred-nav-title { display: none; }
  .cred-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    padding: 8px 14px;
    border-radius: 4px;
  }
  .cred-nav a:hover { padding-left: 14px; }
  .cred-nav a.active { border-left: none; border-bottom-color: var(--color-gold); background: rgba(212, 175, 55, 0.07); }
}

.cred-group { margin-bottom: 80px; scroll-margin-top: 100px; }
.cred-group-title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.cred-group-title::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--color-gold);
  flex-shrink: 0;
}
.cred-group-sub {
  color: var(--color-text-muted);
  margin-bottom: 30px;
  font-size: 0.95rem;
  padding-left: 46px;
}
.cred-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}
.cred-shot {
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(30, 40, 64, 0.55);
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}
.cred-shot:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.45);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.55), 0 0 26px rgba(212, 175, 55, 0.08);
}
.cred-shot img { width: 100%; height: auto; display: block; background: #0e0e0e; }
.cred-shot .cap {
  padding: 12px 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  letter-spacing: 0.02em;
}

/*  hero  */
.cred-hero-decor {
  position: absolute;
  right: -80px;
  top: 60px;
  width: 420px;
  height: 420px;
  background: url('../images/bg-orbits.svg') no-repeat center / contain;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

/* =========================================================
   
   ========================================================= */
.contact-placeholder {
  border: 1px dashed rgba(212, 175, 55, 0.3);
  border-radius: 6px;
  padding: 28px 32px;
  background: rgba(212, 175, 55, 0.03);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-placeholder .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 12px var(--color-gold);
  flex-shrink: 0;
}

/*  */
.data-card .number { letter-spacing: -0.02em; }

/* hero  */
.hero-content::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(212,175,55,0.10), transparent 60%);
  z-index: -1;
}

/*  */
.cred-main { min-width: 0; }
.cred-cert { margin-bottom: 52px; }
.cred-cert-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  padding-left: 46px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.cred-pages {
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}
.cred-gallery .cred-shot img { border-bottom: 1px solid rgba(255, 255, 255, 0.07); }


/* =========================================================
   Palette Expansion —  /  / 
   ========================================================= */

/* Accent text + icon colors */
.text-cyan { color: var(--color-cyan); }
.text-violet { color: var(--color-violet); }
.text-amber { color: var(--color-amber); }

/* Accent gradients for numbers / titles */
.gradient-cyan {
  background: linear-gradient(135deg, #7AF0E0 0%, var(--color-cyan) 55%, #1F9C8C 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.gradient-violet {
  background: linear-gradient(135deg, #C7B4FF 0%, var(--color-violet) 55%, #6E51D6 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.gradient-amber {
  background: linear-gradient(135deg, #F6C089 0%, var(--color-amber) 55%, #B26E2E 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Accent border / glow helpers for cards & icons */
.border-cyan { border-color: rgba(52, 216, 192, 0.4) !important; }
.border-violet { border-color: rgba(157, 123, 255, 0.4) !important; }
.border-amber { border-color: rgba(230, 154, 77, 0.4) !important; }

.icon-accent {
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-gold { color: var(--color-gold) !important; }
.icon-cyan { color: var(--color-cyan) !important; }
.icon-violet { color: var(--color-violet) !important; }
.icon-amber { color: var(--color-amber) !important; }

/* Spliced contrasting color blocks — subtle, behind content, breaks monotony */
.splice-block {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
  filter: blur(0.5px);
}
.splice-gold-cyan {
  background: linear-gradient(120deg, rgba(212,175,55,0.10) 0%, rgba(212,175,55,0.02) 38%, rgba(52,216,192,0.08) 70%, rgba(52,216,192,0.0) 100%);
}
.splice-violet-amber {
  background: linear-gradient(140deg, rgba(157,123,255,0.10) 0%, rgba(157,123,255,0.02) 40%, rgba(230,154,77,0.08) 75%, rgba(230,154,77,0.0) 100%);
}
.splice-diag {
  border-radius: 60% 40% 55% 45% / 45% 55% 45% 55%;
}

/* =========================================================
   Hero — 
   ========================================================= */
.hero-bg-img {
  position: absolute;
  left: 0;
  right: 0;
  top: -10%;
  height: 120%;
  z-index: 0;
  background-image: url('../images/bg-hero.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(60% 50% at 78% 28%, rgba(212, 175, 55, 0.12), transparent 55%),
    radial-gradient(60% 50% at 22% 80%, rgba(91, 168, 240, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(6,10,18,0.42) 0%, rgba(6,10,18,0.62) 60%, rgba(6,10,18,0.92) 100%);
}

/* =========================================================
   Carousel (business / advantages)
   ========================================================= */
.carousel { position: relative; }
.carousel-viewport {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 4px 24px;
  margin: 0 -4px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.carousel-viewport::-webkit-scrollbar { display: none; }
.carousel-slide {
  scroll-snap-align: start;
  flex: 0 0 100%;
}
@media (min-width: 640px) { .carousel-slide { flex: 0 0 calc(50% - 12px); } }
@media (min-width: 1024px) { .carousel-slide { flex: 0 0 calc(33.333% - 16px); } }

.carousel-btn {
  position: absolute;
  top: 38%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(10,10,10,0.7);
  border: 1px solid rgba(212,175,55,0.3);
  color: var(--color-gold);
  font-size: 1.4rem; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 5;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(6px);
}
.carousel-btn:hover { background: var(--color-gold); color: #000; box-shadow: 0 8px 24px rgba(212,175,55,0.4); }
.carousel-btn.prev { left: -10px; }
.carousel-btn.next { right: -10px; }
.carousel-btn:disabled { opacity: 0.25; cursor: default; box-shadow: none; }
@media (max-width: 1023px) { .carousel-btn { display: none; } }

.carousel-dots {
  display: flex; gap: 10px; justify-content: center; margin-top: 8px;
}
.carousel-dots button {
  width: 9px; height: 9px; border-radius: 50%;
  border: none; padding: 0; cursor: pointer;
  background: rgba(255,255,255,0.18);
  transition: width 0.35s cubic-bezier(0.22,1,0.36,1), background 0.35s ease;
}
.carousel-dots button.active {
  width: 28px; border-radius: 5px;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-gold));
}

/* =========================================================
   Lightbox — wheel zoom + drag pan
   ========================================================= */
.lightbox { cursor: zoom-out; }
.lightbox.zoomed { cursor: grab; }
.lightbox.grabbing { cursor: grabbing; }
.lightbox img {
  max-width: 92vw;
  max-height: 86vh;
  object-fit: contain;
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  transition: transform 0.06s linear;
  transform-origin: center center;
  will-change: transform;
}
.lightbox-hint {
  position: absolute;
  bottom: 22px; left: 50%; transform: translateX(-50%);
  font-size: 0.8rem; letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: rgba(10,10,10,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 8px 16px; border-radius: 999px;
  backdrop-filter: blur(6px);
  pointer-events: none;
  z-index: 5;
}
.lightbox-hint b { color: var(--color-gold); font-weight: 600; }


/* =========================================================
   Brightness & Layering Upgrade
    /  /  / 
   ========================================================= */

/* ----  ---- */
.text-blue { color: var(--color-blue); }
.gradient-blue {
  background: linear-gradient(135deg, var(--color-blue-light) 0%, var(--color-blue) 55%, #2F6FB8 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.border-blue { border-color: rgba(91, 168, 240, 0.4) !important; }
.icon-blue { color: var(--color-blue) !important; }

/*  + / +  */
.splice-blue-gold {
  background: linear-gradient(120deg, rgba(91,168,240,0.12) 0%, rgba(91,168,240,0.02) 40%, rgba(212,175,55,0.10) 72%, rgba(212,175,55,0) 100%);
}
.splice-blue-violet {
  background: linear-gradient(140deg, rgba(91,168,240,0.12) 0%, rgba(91,168,240,0.02) 42%, rgba(157,123,255,0.10) 75%, rgba(157,123,255,0) 100%);
}

/* ---- “” ---- */
.glass {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.015) 45%, rgba(255,255,255,0) 100%),
    rgba(20, 26, 40, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 10px;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 18px 50px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
/*  */
.glass::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
  opacity: 0.6;
}
/* “” */
.glass-edge::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  pointer-events: none;
  z-index: 0;
}

/*  — / */
.glass-gold    { background: linear-gradient(160deg, rgba(212,175,55,0.14), rgba(28,36,56,0.70) 55%), rgba(28,36,56,0.70); border-color: rgba(212,175,55,0.26); }
.glass-cyan    { background: linear-gradient(160deg, rgba(52,216,192,0.14), rgba(28,36,56,0.70) 55%), rgba(28,36,56,0.70); border-color: rgba(52,216,192,0.26); }
.glass-violet  { background: linear-gradient(160deg, rgba(157,123,255,0.14), rgba(28,36,56,0.70) 55%), rgba(28,36,56,0.70); border-color: rgba(157,123,255,0.26); }
.glass-amber   { background: linear-gradient(160deg, rgba(230,154,77,0.14), rgba(28,36,56,0.70) 55%), rgba(28,36,56,0.70); border-color: rgba(230,154,77,0.26); }
.glass-blue    { background: linear-gradient(160deg, rgba(91,168,240,0.16), rgba(28,36,56,0.70) 55%), rgba(28,36,56,0.70); border-color: rgba(91,168,240,0.32); }

/*  */
.glass-glow-gold:hover   { box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 22px 60px rgba(212,175,55,0.16); border-color: rgba(212,175,55,0.45); }
.glass-glow-cyan:hover   { box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 22px 60px rgba(52,216,192,0.16); border-color: rgba(52,216,192,0.45); }
.glass-glow-violet:hover { box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 22px 60px rgba(157,123,255,0.16); border-color: rgba(157,123,255,0.45); }
.glass-glow-amber:hover  { box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 22px 60px rgba(230,154,77,0.16); border-color: rgba(230,154,77,0.45); }
.glass-glow-blue:hover   { box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 22px 60px rgba(91,168,240,0.18); border-color: rgba(91,168,240,0.5); }

/* ----  ---- */
.section-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.42;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 78%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 78%, transparent 100%);
}
.section-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,13,22,0.38) 0%, rgba(10,13,22,0.55) 50%, rgba(10,13,22,0.72) 100%);
}
/* CTA  */
.section-photo.strong { opacity: 0.64; }
.section-photo.strong::after {
  background: linear-gradient(180deg, rgba(8,11,19,0.50) 0%, rgba(8,11,19,0.74) 100%);
}

/* ----  + / ---- */
.data-card {
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(255,255,255,0.07), transparent 55%),
    rgba(30, 40, 64, 0.70);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 18px 46px rgba(0,0,0,0.45);
}
.data-card:hover {
  border-color: rgba(212, 175, 55, 0.55);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16), 0 26px 66px rgba(0,0,0,0.55), 0 0 30px rgba(212,175,55,0.12);
}

.busi-card {
  background:
    radial-gradient(130% 120% at 0% 0%, rgba(255,255,255,0.07), transparent 55%),
    rgba(30, 40, 64, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 18px 46px rgba(0,0,0,0.45);
}
.busi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.busi-card:hover {
  border-color: rgba(212, 175, 55, 0.45);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16), 0 22px 56px rgba(0,0,0,0.50);
}

/* Business / Advantage cards — color-coded top accent stripes to break monotony */
.carousel-slide:nth-child(6n+1) .busi-card::before,
.carousel-slide:nth-child(6n+1) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }
.carousel-slide:nth-child(6n+2) .busi-card::before,
.carousel-slide:nth-child(6n+2) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-cyan), transparent); }
.carousel-slide:nth-child(6n+3) .busi-card::before,
.carousel-slide:nth-child(6n+3) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-violet), transparent); }
.carousel-slide:nth-child(6n+4) .busi-card::before,
.carousel-slide:nth-child(6n+4) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-amber), transparent); }
.carousel-slide:nth-child(6n+5) .busi-card::before,
.carousel-slide:nth-child(6n+5) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }
.carousel-slide:nth-child(6n+6) .busi-card::before,
.carousel-slide:nth-child(6n+6) .advantage-card::before { background: linear-gradient(90deg, transparent, var(--color-blue), transparent); }

.advantage-card {
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(255,255,255,0.07), transparent 55%),
    rgba(30, 40, 64, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 18px 46px rgba(0,0,0,0.45);
}
.advantage-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.advantage-card:hover {
  border-color: rgba(212, 175, 55, 0.48);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16), 0 22px 56px rgba(0,0,0,0.50);
}
.busi-card:hover::before,
.advantage-card:hover::before { transform: scaleX(1); }

.solution-card {
  background:
    radial-gradient(120% 110% at 100% 0%, rgba(255,255,255,0.07), transparent 55%),
    rgba(30, 40, 64, 0.70);
  border-left: 3px solid rgba(212, 175, 55, 0.55);
  border-radius: 0 12px 12px 0;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 16px 42px rgba(0,0,0,0.42);
}

.principle {
  padding: 32px;
  border-top: 1px solid rgba(212, 175, 55, 0.40);
  background:
    linear-gradient(180deg, rgba(212,175,55,0.07), rgba(30,40,64,0.62) 60%),
    rgba(30, 40, 64, 0.58);
  border-radius: 0 0 10px 10px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

/* hero  */
.hero-photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center bottom;
  opacity: 0.30;
  -webkit-mask-image: linear-gradient(180deg, transparent 45%, #000 100%);
  mask-image: linear-gradient(180deg, transparent 45%, #000 100%);
}

/*  */
.typed-cursor {
  display: inline-block;
  width: 3px;
  height: 1.05em;
  margin-left: 4px;
  background: var(--color-gold);
  transform: translateY(0.16em);
  animation: caretBlink 1s steps(1) infinite;
  box-shadow: 0 0 10px rgba(212,175,55,0.7);
}
@keyframes caretBlink { 50% { opacity: 0; } }

/* ===================== 修复背景图模糊问题 统一规则 ===================== */
/* 全局板块背景图、Hero大图统一约束缩放上限，禁止过度拉伸 */
.hero-photo,
.section-photo {
  background-position: center center !important;
  /* 核心：最大放大1.1倍，超过不再拉伸，从根源解决糊图；去掉100%强制拉伸 */
  background-size: min(cover, 110%) !important;
  background-repeat: no-repeat !important;
  /* 原图底层加深渐变，弱化轻微模糊观感，不影响文字对比度 */
}

/* Hero装饰分层背景一并限制放大，多层叠加避免多重放大糊掉 */
.hero-bg-img {
  background-position: center center !important;
  background-size: min(cover, 115%) !important;
  background-repeat: no-repeat !important;
}

/* 针对 about 内独立背景图补充兼容 */
#about .section-photo {
  background-size: min(cover, 110%) !important;
}

/* roadmap、cta 深色板块背景统一同步规则 */
#roadmap .section-photo,
.cta-section .section-photo.strong {
  background-size: min(cover, 110%) !important;
}

/* 优化遮罩层级冲突修复（原有渐变遮罩不会被图片盖住文字） */
.hero-photo::before,
.section-photo::after {
  z-index: 1;
}
.section > .container-summit,
.hero-content {
  position: relative;
  z-index: 2;
}