/* ==========================================================================
   ENDTECH AI SOLUTIONS — Global Design System
   Engineering Intelligence. Building the Future.
   Palette: Charcoal Brown / Deep Green / Cream / Amber Orange
   Stack: Bootstrap 5 + custom layer (no other frameworks)
   ========================================================================== */

/* ---------- 1. Design tokens (dark = default) ---------- */
:root {
  --font-head: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --bg: #f8f9f6;
  --bg-2: #eef3ee;
  --bg-3: #e8efe8;
  --card: rgba(255, 255, 255, 0.9);
  --card-solid: #ffffff;
  --border: rgba(46, 89, 71, 0.12);
  --border-strong: rgba(46, 89, 71, 0.2);
  --grid: rgba(46, 89, 71, 0.08);

  --text: #1d2a24;
  --muted: #5d6d65;
  --blue: #2e5947;
  --cyan: #e67e00;
  --green: #6fae86;
  --amber: #d9a441;
  --red: #d9614f;

  --grad: var(--blue);
  --grad-soft: rgba(46, 89, 71, 0.1);
  --shadow: 0 10px 24px rgba(30, 42, 36, 0.06);
  --glow: 0 0 0 rgba(46, 89, 71, 0);
  --on-grad: #ffffff;
  --nav-h: 76px;
  color-scheme: light;
}

/* ---------- 2. Base ---------- */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}
h1, h2, h3, h4, h5, .font-head { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; }
::selection { background: rgba(230, 126, 0, 0.35); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 8px; }
a { text-decoration: none; }
img, svg, canvas { max-width: 100%; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 3000;
  background: var(--grad); color: var(--on-grad); padding: 10px 18px;
  border-radius: 8px; font-weight: 600; transition: top 0.25s;
}
.skip-link:focus { top: 12px; color: var(--on-grad); }

/* ---------- 3. Typography helpers ---------- */
.text-gradient { background: none; color: var(--blue); -webkit-text-fill-color: var(--blue); }
.text-muted-2 { color: var(--muted) !important; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--cyan);
  padding: 7px 16px; border: 1px solid var(--border-strong);
  border-radius: 100px; background: rgba(230, 126, 0, 0.08);
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.section-pad { padding: 96px 0; }
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 18px 0 14px; }
.section-lead { color: var(--muted); font-size: 1.06rem; max-width: 640px; }
.section-lead.mx-auto { text-align: center; }

/* ---------- 4. Buttons ---------- */
.btn-grad {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--grad); color: var(--on-grad) !important; font-weight: 700;
  border: none; border-radius: 12px; padding: 13px 28px;
  box-shadow: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.btn-grad:hover { opacity: 0.96; transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text) !important; font-weight: 600; border-radius: 12px;
  padding: 13px 28px; border: 1px solid var(--border-strong);
  background: rgba(232, 225, 166, 0.06); backdrop-filter: blur(6px);
  transition: all 0.25s ease;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan) !important; transform: translateY(-2px); }
.link-arrow { color: var(--cyan); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: gap 0.25s; }
.link-arrow:hover { gap: 14px; color: var(--cyan); }

/* ---------- 5. Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 5000; display: grid; place-items: center;
  background: #1a150d; transition: opacity 0.55s ease, visibility 0.55s;
}
#preloader.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.pre-core { text-align: center; }
.pre-mark {
  width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 18px;
  background: var(--grad); display: grid; place-items: center;
  font-family: var(--font-head); font-size: 1.9rem; font-weight: 700; color: var(--on-grad);
  animation: prePulse 1.4s ease-in-out infinite;
}
.pre-name { color: #f6f1de; font-family: var(--font-head); letter-spacing: 0.28em; font-size: 0.85rem; }
.pre-bar { width: 180px; height: 3px; margin: 16px auto 0; border-radius: 4px; background: rgba(232, 225, 166, 0.2); overflow: hidden; }
.pre-bar::after { content: ""; display: block; width: 40%; height: 100%; background: var(--grad); border-radius: 4px; animation: preSlide 1.1s ease-in-out infinite; }
@keyframes prePulse { 0%, 100% { box-shadow: 0 0 0 rgba(230,126,0,0.5); } 50% { box-shadow: 0 0 42px rgba(230,126,0,0.65); } }
@keyframes preSlide { 0% { transform: translateX(-120%); } 100% { transform: translateX(320%); } }

/* ---------- 6. Navbar ---------- */
.navbar-endtech { transition: all 0.35s ease; padding: 14px 0; }
.navbar-endtech.scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); padding: 8px 0; box-shadow: 0 10px 30px rgba(15, 11, 5, 0.35);
}
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; background: var(--grad);
  display: grid; place-items: center; color: var(--on-grad); font-family: var(--font-head);
  font-weight: 700; font-size: 1.2rem; box-shadow: 0 6px 18px rgba(46, 89, 71, 0.45); flex: none;
}
.brand-text { line-height: 1.05; }
.brand-text b { font-family: var(--font-head); font-size: 1.02rem; letter-spacing: 0.04em; color: var(--text); }
.brand-text span { font-size: 0.6rem; letter-spacing: 0.34em; color: var(--cyan); font-weight: 600; }
.navbar-endtech .nav-link {
  color: var(--muted); font-weight: 500; font-size: 0.95rem;
  padding: 10px 14px !important; border-radius: 10px; position: relative; transition: color 0.25s;
}
.navbar-endtech .nav-link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 6px; height: 2px;
  background: var(--grad); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.3s;
}
.navbar-endtech .nav-link:hover, .navbar-endtech .nav-link.active { color: var(--text); }
.navbar-endtech .nav-link:hover::after, .navbar-endtech .nav-link.active::after { transform: scaleX(1); }
.nav-icon-btn {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  border: 1px solid var(--border-strong); background: rgba(232, 225, 166, 0.06);
  color: var(--text); transition: all 0.25s; flex: none;
}
.nav-icon-btn:hover { border-color: var(--blue); color: var(--blue); }
.navbar-toggler { border: 1px solid var(--border-strong); border-radius: 12px; padding: 9px 11px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(230, 126, 0, 0.25); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23e67e00' stroke-linecap='round' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
@media (max-width: 991px) {
  .navbar-endtech .navbar-collapse {
    background: var(--card-solid); border: 1px solid var(--border);
    border-radius: 18px; padding: 18px; margin-top: 14px; box-shadow: var(--shadow);
  }
}

/* ---------- 7. Hero (home) ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--nav-h) + 48px) 0 90px; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 35%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 75% at 50% 35%, #000 25%, transparent 78%);
  opacity: 0.9;
}
#heroNet { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.orb-1 { width: 460px; height: 460px; background: rgba(46, 89, 71, 0.32); top: -140px; right: -80px; animation: orbFloat 11s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: rgba(230, 126, 0, 0.2); bottom: -160px; left: -120px; animation: orbFloat 13s ease-in-out infinite reverse; }
.orb-3 { width: 240px; height: 240px; background: rgba(217, 164, 65, 0.18); top: 38%; left: 36%; animation: orbFloat 15s ease-in-out infinite; }
@keyframes orbFloat { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-30px, 34px); } }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); line-height: 1.06; margin: 22px 0; }
.hero .lead { color: var(--muted); font-size: 1.12rem; max-width: 560px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.hero-trust i { color: var(--cyan); font-size: 1.05rem; }

/* Hero visual: glass code panel + floating chips + ring */
.hero-visual { position: relative; }
.ring-rotate {
  position: absolute; width: 130%; aspect-ratio: 1; top: 50%; left: 50%;
  transform: translate(-50%, -50%); border-radius: 50%; pointer-events: none;
  border: 1px dashed rgba(232, 225, 166, 0.28); animation: spin 46s linear infinite;
}
.ring-rotate::before { content: ""; position: absolute; inset: 12%; border-radius: 50%; border: 1px dashed rgba(230, 126, 0, 0.24); animation: spin 30s linear infinite reverse; }
.ring-rotate::after { content: ""; position: absolute; top: 6%; left: 50%; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.code-panel {
  position: relative; border-radius: 20px; background: var(--card);
  border: 1px solid var(--border); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow); overflow: hidden;
}
.code-head { display: flex; align-items: center; gap: 7px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.code-head i.dot { width: 11px; height: 11px; border-radius: 50%; }
.code-head .d1 { background: #ff6058; } .code-head .d2 { background: #ffbd2e; } .code-head .d3 { background: #28c840; }
.code-head small { margin-left: auto; color: var(--muted); font-family: monospace; font-size: 0.72rem; }
.code-body { padding: 20px 22px 24px; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 0.82rem; line-height: 1.85; min-height: 238px; }
.code-body .ln { display: block; white-space: pre-wrap; }
.tok-k { color: #8fd19e; } .tok-s { color: #e8d68a; } .tok-f { color: #f2a53f; } .tok-c { color: #8a7c5c; } .tok-n { color: #d9b34d; } .tok-v { color: #f6f1de; }
.type-line { display: block; margin-top: 6px; color: var(--green); }
.caret { display: inline-block; width: 8px; height: 1em; background: var(--cyan); vertical-align: -2px; animation: blink 0.9s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.float-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 16px; border-radius: 14px; font-size: 0.8rem; font-weight: 600;
  background: var(--card); border: 1px solid var(--border-strong); color: var(--text);
  backdrop-filter: blur(12px); box-shadow: 0 8px 16px rgba(30, 42, 36, 0.05); animation: chipFloat 6s ease-in-out infinite;
}
.float-chip i { color: var(--cyan); }
.chip-1 { top: -22px; left: -26px; animation-delay: 0s; }
.chip-2 { bottom: -20px; right: -20px; animation-delay: 1.6s; }
.chip-3 { top: 42%; right: -42px; animation-delay: 3s; }
@keyframes chipFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: var(--muted); font-size: 1.3rem; animation: hintBounce 2s ease-in-out infinite; }
@keyframes hintBounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 10px); } }

/* Capability marquee */
.marquee { border-block: 1px solid var(--border); background: var(--bg-2); overflow: hidden; padding: 18px 0; }
.marquee-track { display: flex; gap: 0; width: max-content; animation: marquee 30s linear infinite; }
.marquee-track span { display: inline-flex; align-items: center; gap: 14px; padding: 0 26px; font-family: var(--font-head); font-weight: 600; letter-spacing: 0.12em; color: var(--muted); font-size: 0.86rem; text-transform: uppercase; white-space: nowrap; }
.marquee-track span::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); margin-left: 26px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 8. Cards ---------- */
.card-glass {
  height: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 30px 28px; position: relative; overflow: hidden;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.card-glass::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity 0.2s;
}
.card-glass:hover { border-color: var(--border-strong); box-shadow: 0 8px 18px rgba(46, 89, 71, 0.08); }
.card-glass:hover::before { opacity: 1; }
.icon-badge {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border-strong);
  color: var(--cyan); font-size: 1.5rem; margin-bottom: 20px; transition: all 0.3s;
}
.card-glass:hover .icon-badge { background: var(--grad); color: var(--on-grad); transform: scale(1.06) rotate(-4deg); }
.card-glass h3, .card-glass h4 { font-size: 1.15rem; margin-bottom: 10px; }
.card-glass p { color: var(--muted); font-size: 0.92rem; margin-bottom: 0; }
.mini-list { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 9px; }
.mini-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 0.9rem; }
.mini-list i { color: var(--cyan); margin-top: 2px; flex: none; }
.service-num { position: absolute; top: 18px; right: 22px; font-family: var(--font-head); font-size: 2.4rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1px var(--border-strong); }

/* ---------- 9. Stats / counters ---------- */
.stat-card { text-align: center; padding: 34px 20px; }
.stat-num { font-family: var(--font-head); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { color: var(--muted); font-size: 0.9rem; font-weight: 500; margin-top: 6px; }

/* Mission / vision cards */
.mv-card { border-radius: 20px; padding: 32px; height: 100%; background: var(--grad-soft); border: 1px solid var(--border-strong); position: relative; overflow: hidden; }
.mv-card i { font-size: 1.7rem; color: var(--cyan); }
.mv-card h3 { margin: 14px 0 10px; }
.mv-card p { color: var(--muted); margin: 0; }

/* ---------- 10. Process timeline ---------- */
.process-wrap { position: relative; margin-top: 40px; }
.process-wrap::before {
  content: ""; position: absolute; top: 26px; left: 4%; right: 4%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-strong) 15%, var(--border-strong) 85%, transparent);
}
.step { text-align: center; position: relative; padding: 0 8px; }
.step-dot {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; background: var(--card-solid);
  border: 1px solid var(--border-strong); color: var(--cyan);
  font-family: var(--font-head); font-weight: 700; position: relative; z-index: 2;
  transition: all 0.3s;
}
.step:hover .step-dot { background: var(--grad); color: var(--on-grad); box-shadow: none; }
.step h4 { font-size: 1rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.82rem; margin: 0; }
@media (max-width: 991px) {
  .process-wrap::before { left: 25px; right: auto; top: 4%; bottom: 4%; width: 2px; height: auto; background: linear-gradient(transparent, var(--border-strong) 12%, var(--border-strong) 88%, transparent); }
  .step { display: flex; text-align: left; gap: 18px; padding: 12px 0; }
  .step-dot { margin: 0; flex: none; }
}

/* ---------- 11. Solutions / visual panels ---------- */
.visual-panel {
  border-radius: 22px; background: var(--card); border: 1px solid var(--border);
  backdrop-filter: blur(12px); box-shadow: var(--shadow); padding: 26px; position: relative; overflow: hidden;
}
.visual-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 34px 34px; opacity: 0.85;
  -webkit-mask-image: radial-gradient(circle at 70% 20%, #000, transparent 75%);
  mask-image: radial-gradient(circle at 70% 20%, #000, transparent 75%);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; position: relative; z-index: 1; }
.panel-head span { font-family: monospace; font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; }
.live-dot { display: inline-flex; align-items: center; gap: 7px; font-size: 0.72rem; color: var(--green); font-weight: 600; }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: blink 1.4s infinite; }
.kpi-row { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }
.kpi { flex: 1 1 120px; background: rgba(232, 225, 166, 0.08); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.kpi b { display: block; font-family: var(--font-head); font-size: 1.25rem; }
.kpi small { color: var(--muted); font-size: 0.72rem; }
.bars { display: flex; align-items: flex-end; gap: 10px; height: 130px; margin-top: 22px; position: relative; z-index: 1; }
.bars .bar { flex: 1; border-radius: 8px 8px 4px 4px; background: var(--grad); opacity: 0.85; transform-origin: bottom; animation: barGrow 1.2s cubic-bezier(0.22, 1, 0.36, 1) both; }
@keyframes barGrow { from { transform: scaleY(0); } }
.chat-row { display: flex; gap: 12px; margin-bottom: 14px; position: relative; z-index: 1; }
.chat-row.me { justify-content: flex-end; }
.chat-bubble { max-width: 78%; padding: 12px 16px; border-radius: 16px; font-size: 0.85rem; background: rgba(232, 225, 166, 0.1); border: 1px solid var(--border); }
.chat-row.me .chat-bubble { background: var(--grad-soft); border-color: var(--border-strong); }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: 100px; border: 1px solid var(--border-strong); background: rgba(232, 225, 166, 0.08); font-size: 0.78rem; font-weight: 600; color: var(--muted); margin: 4px 4px 0 0; transition: all 0.25s; }
.chip:hover { color: var(--cyan); border-color: var(--cyan); }
.chip i { color: var(--cyan); }

/* ---------- 12. Filter pills (services) ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.filter-btn {
  border: 1px solid var(--border-strong); background: transparent; color: var(--muted);
  padding: 10px 22px; border-radius: 100px; font-weight: 600; font-size: 0.88rem; transition: all 0.25s;
}
.filter-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.filter-btn.active { background: var(--grad); color: var(--on-grad); border-color: transparent; box-shadow: none; }
.filter-item { transition: opacity 0.35s ease, transform 0.35s ease; }
.filter-item.is-hidden { display: none; }

/* ---------- 13. Cyber dashboard visual ---------- */
.dash-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; align-items: center; margin-bottom: 16px; position: relative; z-index: 1; }
.dash-row label { color: var(--muted); font-size: 0.8rem; }
.dash-row b { font-family: monospace; font-size: 0.78rem; color: var(--cyan); }
.dash-bar { grid-column: 1 / -1; height: 8px; border-radius: 6px; background: rgba(232, 225, 166, 0.14); overflow: hidden; }
.dash-bar span { display: block; height: 100%; border-radius: 6px; background: var(--grad); width: 0; transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1) 0.3s; }
.visible .dash-bar span, .in-view .dash-bar span { width: var(--w); }
.log-box { font-family: monospace; font-size: 0.72rem; line-height: 1.9; color: var(--muted); background: rgba(15, 11, 5, 0.5); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; position: relative; z-index: 1; }
.log-ok { color: var(--green); } .log-warn { color: var(--amber); }

/* Risk matrix */
.risk-matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; position: relative; z-index: 1; }
.risk-cell { aspect-ratio: 1.4; border-radius: 12px; display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 0.78rem; border: 1px solid var(--border); }
.risk-low { background: rgba(111, 174, 134, 0.16); color: var(--green); }
.risk-med { background: rgba(217, 164, 65, 0.16); color: var(--amber); }
.risk-high { background: rgba(217, 97, 79, 0.16); color: var(--red); }

/* ---------- 14. CTA band ---------- */
.cta-band { position: relative; border-radius: 28px; overflow: hidden; padding: 64px 40px; text-align: center; background: var(--bg-3); border: 1px solid var(--border-strong); }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 10%, rgba(46, 89, 71, 0.4), transparent 55%),
              radial-gradient(circle at 85% 90%, rgba(230, 126, 0, 0.3), transparent 55%);
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px; opacity: 0.7;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 85%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 85%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }

/* ---------- 15. Page hero (inner pages) ---------- */
.page-hero { position: relative; padding: calc(var(--nav-h) + 72px) 0 84px; overflow: hidden; background: var(--bg-2); }
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); margin: 20px 0 16px; }
.page-hero .lead { color: var(--muted); max-width: 640px; font-size: 1.08rem; }
.crumb { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 0.84rem; }
.crumb a { color: var(--cyan); }
.bg-alt { background: var(--bg-2); }

/* ---------- 16. Projects ---------- */
.project-badge { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); }
.view-project { cursor: pointer; }
.modal-content { background: var(--card-solid); border: 1px solid var(--border-strong); border-radius: 22px; color: var(--text); }
.modal-header, .modal-footer { border-color: var(--border); }
.btn-close { filter: invert(1) grayscale(1); }
.proj-detail h5 { color: var(--cyan); margin: 20px 0 8px; font-size: 0.95rem; }
.proj-detail p, .proj-detail li { color: var(--muted); font-size: 0.92rem; }

/* ---------- 17. Contact ---------- */
.info-card { display: flex; gap: 18px; align-items: flex-start; padding: 22px; }
.info-card .icon-badge { width: 48px; height: 48px; font-size: 1.2rem; margin: 0; flex: none; }
.info-card h3 { font-size: 1rem; margin-bottom: 4px; }
.info-card p { font-size: 0.88rem; margin: 0; }
.placeholder-note { font-size: 0.72rem; color: var(--amber); display: block; margin-top: 4px; }
.form-label { font-weight: 600; font-size: 0.88rem; }
.form-control, .form-select {
  background: rgba(232, 225, 166, 0.05); border: 1px solid var(--border-strong);
  color: var(--text); border-radius: 12px; padding: 13px 16px; font-size: 0.95rem;
}
.form-control:focus, .form-select:focus {
  background: rgba(232, 225, 166, 0.09); color: var(--text);
  border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(230, 126, 0, 0.15);
}
.form-control::placeholder { color: var(--muted); opacity: 0.7; }
.form-select option { background: var(--card-solid); color: var(--text); }
.invalid-feedback { font-size: 0.8rem; }
.form-note { font-size: 0.78rem; color: var(--muted); display: flex; gap: 8px; align-items: flex-start; }
.form-success { display: none; border-radius: 16px; padding: 20px 24px; background: rgba(111, 174, 134, 0.12); border: 1px solid rgba(111, 174, 134, 0.4); color: var(--green); }
.form-success.show { display: block; }
.form-error { display: none; border-radius: 16px; padding: 16px 20px; background: rgba(217, 97, 79, 0.09); border: 1px solid rgba(217, 97, 79, 0.35); color: var(--red); }
.form-error.show { display: block; }

/* ---------- 18. Footer ---------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 72px 0 0; position: relative; overflow: hidden; }
.footer::before { content: ""; position: absolute; top: -120px; left: 50%; transform: translateX(-50%); width: 640px; height: 240px; background: rgba(46, 89, 71, 0.2); filter: blur(100px); border-radius: 50%; pointer-events: none; }
.footer h5 { font-size: 0.82rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text); margin-bottom: 20px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer-links a { color: var(--muted); font-size: 0.92rem; transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px; }
.footer-links a i { font-size: 0.6rem; color: var(--cyan); opacity: 0; transform: translateX(-6px); transition: all 0.25s; }
.footer-links a:hover { color: var(--cyan); }
.footer-links a:hover i { opacity: 1; transform: translateX(0); }
.social-btn { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--border-strong); color: var(--muted); transition: all 0.25s; }
.social-btn:hover { background: var(--grad); color: var(--on-grad); border-color: transparent; transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 52px; padding: 24px 0; color: var(--muted); font-size: 0.84rem; }

/* ---------- 19. Back to top ---------- */
.back-to-top {
  position: fixed; bottom: 26px; right: 26px; z-index: 900;
  width: 50px; height: 50px; border-radius: 14px; border: none;
  background: var(--grad); color: var(--on-grad); font-size: 1.15rem;
  box-shadow: 0 10px 30px rgba(230, 126, 0, 0.45);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: all 0.35s ease;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ---------- 20. Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 21. Legal prose ---------- */
.prose h2 { font-size: 1.3rem; margin: 38px 0 12px; }
.prose p, .prose li { color: var(--muted); font-size: 0.95rem; line-height: 1.85; }
.prose ul { padding-left: 20px; }

/* ---------- 22. Responsive tweaks ---------- */
@media (max-width: 991px) {
  .hero { min-height: auto; padding-bottom: 70px; }
  .hero-visual { margin-top: 56px; max-width: 440px; }
  .float-chip { display: none; }
  .scroll-hint { display: none; }
}
@media (max-width: 575px) {
  .section-pad { padding: 68px 0; }
  .cta-band { padding: 48px 24px; }
  .code-body { font-size: 0.72rem; min-height: 200px; }
}

/* ---------- 23. Reduced motion (accessibility) ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}