/* ============================================
   SSAG-X | ITEAM
   Institutional light theme
   ============================================ */

:root {
  --bg:        #f7fbff;
  --bg-2:      #edf4fb;
  --bg-card:   rgba(255, 255, 255, 0.94);
  --border:    rgba(27, 88, 146, 0.10);
  --border-2:  rgba(20, 116, 140, 0.22);

  --cyan:      #13748e;
  --cyan-dim:  rgba(19, 116, 142, 0.08);
  --cyan-glow: rgba(19, 116, 142, 0.18);
  --blue:      #2058a6;
  --green:     #78b833;
  --purple:    #dbe5f4;

  --text:      #17324f;
  --text-2:    #4c647c;
  --text-3:    #74879b;

  --font-display: 'Poppins', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
  --font-body:    'Manrope', sans-serif;

  --radius:    14px;
  --radius-lg: 24px;
  --header-h:  70px;
  --transition: 0.25s ease;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── BACKGROUND EFFECTS ── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(18,144,113,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,144,113,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
}
.bg-glow {
  position: fixed; z-index: 0; pointer-events: none;
  border-radius: 50%; filter: blur(120px); opacity: 0.35;
}
.glow-1 { width: 620px; height: 620px; top: -220px; left: -180px; background: radial-gradient(circle, rgba(101,185,107,0.16), transparent 72%); }
.glow-2 { width: 540px; height: 540px; top: 35%; right: -140px; background: radial-gradient(circle, rgba(45,127,143,0.14), transparent 70%); animation: glowFloat 8s ease-in-out infinite alternate; }
.glow-3 { width: 420px; height: 420px; bottom: 8%; left: 18%; background: radial-gradient(circle, rgba(18,144,113,0.12), transparent 70%); animation: glowFloat 12s ease-in-out infinite alternate-reverse; }

@keyframes glowFloat {
  from { transform: translateY(0) scale(1); opacity: 0.3; }
  to   { transform: translateY(-40px) scale(1.1); opacity: 0.5; }
}

/* ── HEADER ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  background: rgba(5, 8, 12, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  transition: background var(--transition);
}
.site-header.scrolled {
  background: rgba(5, 8, 12, 0.96);
  border-bottom-color: rgba(255,255,255,0.14);
}

.brand {
  display: flex; align-items: center; gap: 0.75rem;
}
.brand-logo {
  width: 132px; height: 48px; border-radius: 10px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  padding: 0.35rem 0.7rem;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-kicker { font-family: var(--font-mono); font-size: 0.5rem; color: rgba(226,235,245,0.62); letter-spacing: 0.06em; margin-bottom: 0.35rem; text-transform: uppercase; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1rem; letter-spacing: 0.04em; color: #ffffff; }
.brand-sub  { font-family: var(--font-mono); font-size: 0.56rem; color: rgba(226,235,245,0.78); letter-spacing: 0.06em; margin-top: 3px; text-transform: uppercase; }

.main-nav { display: flex; gap: 2rem; }
.main-nav a {
  font-size: 0.85rem; font-weight: 600; color: rgba(235,243,250,0.82);
  letter-spacing: 0.04em; transition: color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--cyan); transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.main-nav a:hover { color: #ffffff; }
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.btn-ghost {
  padding: 0.45rem 1rem; font-size: 0.82rem; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.18); border-radius: 10px; color: rgba(235,243,250,0.84);
  background: rgba(255,255,255,0.05);
  transition: all var(--transition);
}
.btn-ghost:hover { color: #ffffff; border-color: rgba(255,255,255,0.32); background: rgba(255,255,255,0.10); }

.btn-primary {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 1.1rem; font-size: 0.82rem; font-weight: 600;
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  color: white; border-radius: 8px; border: none;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.dot-live, .dot-pulse {
  display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
  50% { opacity: 0.6; box-shadow: 0 0 12px var(--green); }
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: rgba(255,255,255,0.82); border-radius: 2px; transition: all var(--transition); }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; inset: 0; top: var(--header-h); z-index: 99;
  background: rgba(5, 8, 12, 0.97); flex-direction: column; align-items: center;
  justify-content: center; gap: 2rem; backdrop-filter: blur(20px);
}
.mobile-nav a { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: rgba(235,243,250,0.88); }
.mobile-nav a:hover { color: #ffffff; }
.mobile-cta { color: #ffffff !important; }
body.nav-open .mobile-nav { display: flex; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  min-height: auto;
  padding: calc(var(--header-h) + 2.5rem) 2rem 3rem;
  display: flex; flex-direction: column;
  position: relative; z-index: 1;
  max-width: 1300px; margin: 0 auto; width: 100%;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: start;
}
.eyebrow-row { margin-bottom: 1.5rem; }
.badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.4rem 1rem; border-radius: 100px;
  border: 1px solid var(--border-2);
  background: rgba(255, 255, 255, 0.86);
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--cyan); letter-spacing: 0.08em;
}

.hero-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(3.1rem, 6vw, 5.3rem);
  line-height: 0.96; letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 620px;
}
.hero-title .line-1 { display: block; color: var(--text); }
.hero-title .line-2 { display: block; color: var(--blue); }
.hero-title .line-3 { display: block; color: var(--cyan); }

.hero-lead {
  font-size: 1.02rem; color: var(--text-2); line-height: 1.75;
  max-width: 560px; margin-bottom: 2rem;
}

.hero-cta { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }

.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 1.75rem; font-size: 0.9rem; font-weight: 600;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white; border-radius: var(--radius); border: none;
  transition: all var(--transition); box-shadow: 0 12px 32px rgba(18,144,113,0.18);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(18,144,113,0.24); }

.btn-hero-secondary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 1.75rem; font-size: 0.9rem; font-weight: 500;
  border: 1px solid var(--border-2); color: var(--text-2);
  border-radius: var(--radius); background: rgba(255,255,255,0.84);
  transition: all var(--transition);
}
.btn-hero-secondary:hover { color: var(--cyan); border-color: var(--cyan); background: var(--cyan-dim); }

.hero-stats {
  display: flex; align-items: center; gap: 2rem;
}
.stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-number {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: var(--cyan); line-height: 1;
}
.stat-label { font-size: 0.72rem; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Hero visual */
.hero-visual {
  position: relative; display: flex; align-items: flex-start; justify-content: center;
  padding-top: 0.75rem;
}
.hero-img-wrap {
  position: relative; z-index: 2;
  border-radius: 28px;
  border: 1px solid rgba(18,144,113,0.14);
  overflow: hidden;
  box-shadow: 0 28px 80px rgba(32, 92, 74, 0.12);
  max-width: 560px;
}
.hero-img { width: 100%; display: block; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; }
.hero-img-glow {
  position: absolute; inset: -50%;
  background: radial-gradient(circle at center, rgba(18,144,113,0.08), transparent 70%);
  pointer-events: none;
}
.hero-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 76%, rgba(246,251,248,0.14));
}

/* ── MARQUEE ── */
.marquee-wrap {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 0.8rem 0;
  background: rgba(255, 255, 255, 0.5);
}
.marquee-track {
  display: flex; gap: 1.5rem; width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase;
  align-items: center;
}
.marquee-track .sep { color: var(--cyan); opacity: 0.5; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── SECTIONS ── */
.section {
  position: relative; z-index: 1;
  padding: 6rem 2rem;
  max-width: 1300px; margin: 0 auto; width: 100%;
}
.section-dark {
  max-width: 100%;
  background: linear-gradient(180deg, rgba(32,88,166,0.03), rgba(19,116,142,0.05), rgba(120,184,51,0.03));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 2rem;
}
.section-dark .container-split {
  max-width: 1300px; margin: 0 auto;
}

.section-head {
  text-align: center; max-width: 700px; margin: 0 auto 4rem;
}
.section-label {
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1rem;
}
.section-label .label-line { width: 30px; height: 1px; background: var(--cyan); }

.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.02em; line-height: 1.1;
  margin-bottom: 1rem;
}
.section-desc { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; }

/* ── LAB CARDS ── */
.lab-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.lab-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,252,0.94));
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 40px rgba(31, 93, 75, 0.08);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
  display: flex; flex-direction: column;
}
.lab-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.lab-card:hover .card-glow { opacity: 1; }

.card-featured { border-color: rgba(18,144,113,0.28); }
.card-featured .card-title { color: var(--blue); }

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.card-icon {
  width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--border-2);
  background: rgba(32,88,166,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
}

.card-status {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em;
  padding: 0.25rem 0.65rem; border-radius: 100px;
}
.status-active { background: rgba(120,184,51,0.12); color: #5b8d23; border: 1px solid rgba(120,184,51,0.24); }
.status-beta   { background: rgba(32,88,166,0.10); color: var(--blue); border: 1px solid rgba(32,88,166,0.20); }
.status-soon   { background: rgba(138,155,192,0.1); color: var(--text-3); border: 1px solid var(--border); }

.card-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  margin-bottom: 0.75rem; letter-spacing: -0.01em;
}
.card-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.65; margin-bottom: 1.25rem; flex: 1; }

.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }
.card-tags span {
  font-family: var(--font-mono); font-size: 0.65rem; padding: 0.25rem 0.6rem;
  border-radius: 6px; background: rgba(18,144,113,0.06);
  border: 1px solid var(--border); color: var(--text-3); letter-spacing: 0.06em;
}
.card-link {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--cyan); letter-spacing: 0.04em;
  margin-top: auto;
  transition: gap var(--transition);
}
.card-link:hover { gap: 0.75rem; }
.card-link.muted { color: var(--text-3); }
.card-link.muted:hover { color: var(--text-2); }

.card-glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(circle at 30% 20%, rgba(18,144,113,0.08), transparent 60%);
  transition: opacity 0.4s ease;
}
.card-hubteam .card-glow  { background: radial-gradient(circle at 30% 20%, rgba(45,127,143,0.1), transparent 60%); }
.card-twinops .card-glow  { background: radial-gradient(circle at 30% 20%, rgba(18,144,113,0.12), transparent 60%); }
.card-catalog .card-glow  { background: radial-gradient(circle at 30% 20%, rgba(101,185,107,0.1), transparent 60%); }

/* ── MVPs SECTION ── */
.container-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start;
}
.split-left .section-label { justify-content: flex-start; }
.split-left .section-title { text-align: left; }
.split-left .section-desc  { text-align: left; }

.trl-scale {
  margin-top: 2rem;
  display: flex; align-items: center; gap: 1rem;
}
.trl-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); letter-spacing: 0.1em; }
.trl-bars { display: flex; gap: 4px; }
.trl-bar {
  width: 28px; height: 6px; border-radius: 3px;
  background: var(--border);
  transition: background var(--transition);
}
.trl-bar.active { background: linear-gradient(90deg, var(--green), var(--cyan)); }
.trl-value { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); }

.mvp-list { display: flex; flex-direction: column; gap: 1rem; }
.mvp-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.mvp-active:hover { border-color: var(--border-2); transform: translateX(4px); }
.mvp-soon { opacity: 0.72; }

.mvp-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan); border: 1px solid var(--border-2);
  border-radius: 8px; background: rgba(18,144,113,0.08);
}
.mvp-soon .mvp-icon { color: var(--text-3); background: transparent; }

.mvp-info { flex: 1; }
.mvp-name { display: block; font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 0.3rem; }
.mvp-tags-row { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.mvp-tags-row em {
  font-style: normal; font-family: var(--font-mono); font-size: 0.62rem;
  color: var(--text-3); letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem; border-radius: 4px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.78);
}
.mvp-trl { text-align: right; flex-shrink: 0; }
.mvp-trl span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); }
.soon-badge {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-3) !important;
  padding: 0.25rem 0.6rem; border-radius: 6px; border: 1px solid var(--border);
}
.mvp-arrow { color: var(--cyan); font-size: 1rem; margin-top: 0.25rem; transition: transform var(--transition); }
.mvp-active:hover .mvp-arrow { transform: translateX(4px); }

/* ── ARCHITECTURE ── */
.arch-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}

.arch-diagram {
  background: rgba(255,255,255,0.88); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 2rem; display: flex; flex-direction: column; gap: 0;
}
.arch-layer { padding: 1rem 0; }
.arch-layer-label {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-3);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.75rem;
}
.arch-nodes { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.arch-node {
  flex: 1; min-width: 80px; padding: 0.75rem 1rem;
  border: 1px solid var(--border-2); border-radius: 10px;
  background: rgba(18,144,113,0.06); text-align: center;
  transition: all var(--transition);
}
.arch-node:hover { border-color: var(--cyan); background: var(--cyan-dim); }
.arch-node span { display: block; font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; color: var(--text); }
.arch-node small { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-3); }

.node-caddy  { border-color: rgba(0,200,255,0.35); }
.node-hub    { border-color: rgba(0,100,255,0.3); }
.node-twin   { border-color: rgba(0,229,160,0.3); }
.node-pg     { border-color: rgba(45,127,143,0.26); }
.node-redis  { border-color: rgba(101,185,107,0.26); }

.arch-arrows { display: flex; justify-content: center; padding: 0.5rem 0; }
.arch-arrow {
  width: 1px; height: 24px;
  background: linear-gradient(to bottom, rgba(18,144,113,0.32), transparent);
  position: relative;
}
.arch-arrow::after {
  content: '▼'; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
  color: var(--cyan); font-size: 0.5rem; opacity: 0.5;
}

.arch-info { display: flex; flex-direction: column; gap: 1.5rem; }
.arch-item { display: flex; align-items: flex-start; gap: 1rem; }
.arch-item-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-2); border-radius: 10px;
  color: var(--cyan); background: rgba(18,144,113,0.08);
  margin-top: 2px;
}
.arch-item strong { display: block; font-family: var(--font-display); font-weight: 700; margin-bottom: 0.3rem; }
.arch-item p { font-size: 0.875rem; color: var(--text-2); line-height: 1.6; }

/* ── CORE SECTION ── */
.section-core {
  max-width: 100%;
  padding: 6rem 2rem;
  background: linear-gradient(180deg, transparent, rgba(32,88,166,0.05), rgba(120,184,51,0.04));
  border-top: 1px solid var(--border);
}
.core-inner {
  max-width: 1300px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.core-img-wrap { position: relative; display: flex; align-items: center; justify-content: center; }
.core-img {
  max-width: 400px; width: 100%;
  filter: drop-shadow(0 18px 30px rgba(32,92,74,0.12));
  animation: floatImg 6s ease-in-out infinite alternate;
  border-radius: 28px;
}
@keyframes floatImg {
  from { transform: translateY(0); }
  to   { transform: translateY(-15px); }
}
.core-glow {
  position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(18,144,113,0.12), transparent 70%);
  pointer-events: none;
}
.core-content .section-label { justify-content: flex-start; }
.core-content .section-title { text-align: left; margin-bottom: 1rem; }
.core-content p { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; margin-bottom: 2rem; }

.subdomain-list { display: flex; flex-direction: column; gap: 0.6rem; }
.subdomain-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px; border: 1px solid transparent;
  transition: all var(--transition);
}
.subdomain-item:hover { border-color: var(--border); background: rgba(18,144,113,0.05); }
.sd-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.sd-dot.active { background: var(--green); box-shadow: 0 0 8px var(--green); }
.sd-dot.soon   { background: var(--text-3); }
.subdomain-item code {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan);
  min-width: 200px;
}
.subdomain-item span { font-size: 0.8rem; color: var(--text-3); }

/* ── FOOTER ── */
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 3rem 2rem 1.5rem;
  background: linear-gradient(135deg, #17324f, #2058a6 58%, #13748e);
}
.footer-inner {
  max-width: 1300px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 3rem; margin-bottom: 2.5rem;
}
.footer-brand { display: flex; align-items: flex-start; gap: 1rem; }
.footer-logo { width: 132px; height: 48px; border-radius: 10px; border: 1px solid rgba(18,144,113,0.12); object-fit: contain; background: rgba(255,255,255,0.62); padding: 0.35rem 0.7rem; }
.footer-brand strong { display: block; font-family: var(--font-display); font-weight: 700; margin-bottom: 0.3rem; }
.footer-brand p { font-size: 0.8rem; color: rgba(235,243,250,0.74); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col-title { font-family: var(--font-mono); font-size: 0.68rem; color: rgba(235,243,250,0.64); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.25rem; }
.footer-col a { font-size: 0.85rem; color: rgba(255,255,255,0.86); transition: color var(--transition); }
.footer-col a:hover { color: #d6f2ff; }

.footer-bottom {
  max-width: 1300px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.78rem; color: rgba(235,243,250,0.72); font-family: var(--font-mono);
}

/* ── FADE-IN ANIMATIONS ── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-visual { display: none; }
  .lab-cards { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .container-split { grid-template-columns: 1fr; gap: 3rem; }
  .arch-grid { grid-template-columns: 1fr; gap: 3rem; }
  .core-inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
  .core-content .section-label { justify-content: center; }
  .core-content .section-title { text-align: center; }
  .subdomain-item code { min-width: auto; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: calc(var(--header-h) + 2rem) 1.25rem 3rem; }
  .brand-logo { width: 116px; height: 42px; }
  .hero-stats { gap: 1.25rem; }
  .section { padding: 4rem 1.25rem; }
  .section-dark { padding: 4rem 1.25rem; }
  .marquee-wrap { display: none; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .section-core { padding: 4rem 1.25rem; }
  .core-img { max-width: 250px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary { text-align: center; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .brand-kicker { display: none; }
  .stat-divider { display: none; }
  .footer-links { grid-template-columns: 1fr; }
  .subdomain-item code { font-size: 0.65rem; }
}