/* =========================================================
   Babakr Saad — Dual-Mode Portfolio
   Two color systems live in CSS variables and swap on
   [data-mode="tech"] or [data-mode="build"] on <html>.
   ========================================================= */

/* ---------- Reset + base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .8s ease, color .8s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; padding: 0; margin: 0; }
::selection { background: var(--accent); color: #000; }

/* ---------- Theme variables ---------- */
:root {
  --bg: #050816;
  --bg-2: #0a0f24;
  --surface: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.18);
  --text: #e8ebf7;
  --text-dim: #aab2cf;
  --text-mute: #6b7398;
  --accent: #00d4ff;
  --accent-2: #7c3aed;
  --accent-soft: rgba(0,212,255,0.15);
  --accent-glow: 0 0 40px rgba(0,212,255,0.35);
  --gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --grid-line: rgba(0,212,255,0.06);
  --shadow-card: 0 24px 48px -16px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04) inset;
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1240px;
  --t-fast: 200ms cubic-bezier(.4,0,.2,1);
  --t-base: 360ms cubic-bezier(.4,0,.2,1);
  --t-slow: 700ms cubic-bezier(.65,0,.35,1);
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
}

html[data-mode="build"] {
  --bg: #0d0805;
  --bg-2: #1a1108;
  --surface: rgba(255,255,255,0.035);
  --surface-2: rgba(255,255,255,0.06);
  --border: rgba(255,210,140,0.10);
  --border-strong: rgba(245,158,11,0.30);
  --text: #f5e9d3;
  --text-dim: #c5b29a;
  --text-mute: #8a7c66;
  --accent: #f59e0b;
  --accent-2: #ef4444;
  --accent-soft: rgba(245,158,11,0.18);
  --accent-glow: 0 0 40px rgba(245,158,11,0.35);
  --gradient: linear-gradient(135deg, #fbbf24 0%, #ef4444 100%);
  --grid-line: rgba(245,158,11,0.08);
}

/* color transitions for the morph */
.section, .topnav, .mode-dial, .nav-mode, .timeline-item,
.skill-cat, .project-card, .contact-card, .about-card,
.btn, .cred-tab, .cred-card {
  transition:
    background-color var(--t-base),
    color var(--t-base),
    border-color var(--t-base),
    box-shadow var(--t-base);
}

/* ---------- Shared layout helpers ---------- */
.section {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 11vw, 140px) clamp(20px, 5vw, 60px);
}
.section-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 56px;
}
.section-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: .14em;
}
.section-title {
  font-size: clamp(28px, 4.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}

/* ---------- Top nav ---------- */
.topnav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 40px);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  color: #000;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--accent-glow);
}
.brand-name { font-size: 15px; }
.navlinks {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.navlinks a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.navlinks a:hover,
.navlinks a.is-active {
  color: var(--text);
  background: var(--surface);
}
.nav-mode {
  position: relative;
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.nav-mode-btn {
  position: relative;
  z-index: 2;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--text-mute);
  border-radius: 999px;
  transition: color var(--t-fast);
}
.nav-mode-btn.is-active { color: #000; }
.nav-mode-thumb {
  position: absolute;
  top: 4px; left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  border-radius: 999px;
  background: var(--gradient);
  transition: transform var(--t-base);
  box-shadow: var(--accent-glow);
}
html[data-mode="build"] .nav-mode-thumb { transform: translateX(100%); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(120px, 14vh, 180px) clamp(20px, 5vw, 60px) 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: .8;
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
  transition: background-image var(--t-base);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "photo text"
    "dial  text";
  gap: 32px 56px;
  align-items: start;
  width: 100%;
}
.hero-photo  { grid-area: photo; align-self: center; }
.hero-text   { grid-area: text;  align-self: center; }
.mode-dial   { grid-area: dial; }

/* photo */
.hero-photo {
  position: relative;
  width: 280px;
  height: 280px;
  justify-self: center;
}
.photo-frame {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-2);
  box-shadow:
    0 20px 60px -20px rgba(0,0,0,.6),
    inset 0 0 0 4px var(--bg);
}
.photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(1.05);
}
.photo-ring {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 6 8;
  animation: ringSpin 26s linear infinite;
  filter: drop-shadow(0 0 8px var(--accent));
}
@keyframes ringSpin { to { transform: rotate(360deg); } }
.photo-badge {
  position: absolute;
  bottom: 6px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: .04em;
  color: var(--text-dim);
  white-space: nowrap;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .55; transform: scale(.8); }
}

/* hero text */
.hero-text { max-width: 720px; }
.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 16px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.kicker-line {
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.hero-name {
  font-size: clamp(48px, 8.5vw, 96px);
  line-height: .95;
  letter-spacing: -0.035em;
  margin: 0 0 18px;
  font-weight: 700;
}
.hero-name-fl, .hero-name-ln {
  display: inline-block;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-right: .15em;
}
.hero-name-ln {
  background: none;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
}
.hero-role {
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--text-dim);
  margin: 0 0 22px;
  font-weight: 500;
  letter-spacing: -0.005em;
  min-height: 1.2em;
}
.role-prefix {
  color: var(--text-mute);
  margin-right: 8px;
}
.role-text { color: var(--text); }
.role-caret {
  display: inline-block;
  width: 2px; height: 1.05em;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: -0.16em;
  animation: caret .9s steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0; } }
.hero-summary {
  max-width: 620px;
  color: var(--text-dim);
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .01em;
  border: 1px solid transparent;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: var(--gradient);
  color: #000;
  box-shadow: var(--accent-glow);
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
  z-index: -1;
}
.btn-primary:hover::after { background: rgba(255,255,255,.16); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.stat { display: flex; align-items: baseline; gap: 6px; }
.stat-num {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-suffix { color: var(--accent); font-weight: 700; font-size: 26px; }
.stat-label {
  margin-left: 4px;
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: .12em;
}

/* MODE DIAL — the centerpiece */
.mode-dial {
  position: relative;
  width: 100%;
  max-width: 380px;
  padding: 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  z-index: 3;
}
.dial-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-mute);
}
.dial-led {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.5s infinite;
}
.dial-title { color: var(--text-dim); }
.dial-meta { margin-left: auto; color: var(--accent); }

.dial-track {
  position: relative;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 14px;
  background: rgba(0,0,0,.25);
  isolation: isolate;
}
.dial-thumb {
  position: absolute;
  inset: 4px;
  height: calc(50% - 4px);
  border-radius: 10px;
  background: var(--gradient);
  z-index: 1;
  transition: transform var(--t-base);
  box-shadow: 0 8px 24px -8px var(--accent);
}
html[data-mode="build"] .dial-thumb { transform: translateY(100%); }

.dial-option {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  text-align: left;
  border-radius: 10px;
  color: var(--text-dim);
  transition: color var(--t-fast);
}
.dial-option .dial-icon {
  width: 28px; height: 28px;
  padding: 4px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  transition: color var(--t-fast), background var(--t-fast);
}
.dial-option[data-mode-target="tech"].is-active,
.dial-option[data-mode-target="build"].is-active {
  color: #000;
}
.dial-option.is-active .dial-icon {
  background: rgba(0,0,0,.18);
  color: #000;
}
.dial-name {
  display: block;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -.005em;
}
.dial-sub {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .04em;
  opacity: .85;
}
.dial-hint {
  margin: 12px 6px 4px;
  font-size: 11px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: .04em;
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  left: clamp(20px, 5vw, 60px);
  bottom: 30px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-mute);
  z-index: 3;
}
.cue-line {
  width: 50px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  position: relative;
  overflow: hidden;
}
.cue-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: cueSlide 2s infinite;
}
@keyframes cueSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: start;
}
.about-text {
  font-size: 17px;
  color: var(--text-dim);
  line-height: 1.85;
}
.about-text p + p { margin-top: 1em; }
.about-text strong { color: var(--text); }
.about-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.about-row:last-child { border-bottom: 0; padding-bottom: 0; }
.about-row span {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-mute);
}
.about-row strong { color: var(--text); font-weight: 600; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.skill-cat {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.skill-cat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
  z-index: 0;
}
.skill-cat:hover { border-color: var(--border-strong); }
.skill-cat:hover::before { opacity: .04; }
.skill-cat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.skill-cat-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
}
.skill-cat-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.skill-chip {
  font-size: 13px;
  padding: 6px 11px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: all var(--t-fast);
}
.skill-chip:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ============================================================
   TIMELINE / EXPERIENCE
   ============================================================ */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: .4;
}
.timeline-item {
  position: relative;
  padding: 22px 0 22px 36px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  top: 30px; left: -22px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg), var(--accent-glow);
}
.timeline-item.is-current::before {
  background: var(--accent);
  animation: pulse 1.6s infinite;
}
.tl-card {
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.tl-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}
.tl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: .04em;
}
.tl-period { color: var(--accent); }
.tl-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
}
.tl-company {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 12px;
}
.tl-bullets {
  display: grid;
  gap: 6px;
}
.tl-bullets li {
  position: relative;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.65;
}
.tl-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 1px;
  background: var(--accent);
}
.tl-bullets li.is-key { color: var(--text); }
.tl-bullets li.is-key::before { width: 10px; box-shadow: 0 0 6px var(--accent); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}
.project-card {
  position: relative;
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t-base), border-color var(--t-fast);
}
.project-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
}
.project-card:hover { transform: translateY(-4px); }
.project-card:hover::before { opacity: 1; }
.project-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}
.project-title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text);
}
.project-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-mute);
  margin-bottom: 14px;
  letter-spacing: .03em;
}
.project-meta span { padding: 3px 8px; border-radius: 6px; background: var(--surface-2); }
.project-body { color: var(--text-dim); font-size: 14.5px; line-height: 1.65; margin-bottom: 14px; }
.project-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.project-tags span {
  font-size: 11.5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  font-family: var(--mono);
  letter-spacing: .04em;
}

/* ============================================================
   CREDENTIALS (Education + Certs + Courses)
   ============================================================ */
.cred-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 28px;
}
.cred-tab {
  padding: 8px 14px;
  border-radius: 9px;
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 500;
}
.cred-tab.is-active {
  background: var(--gradient);
  color: #000;
  font-weight: 600;
}
.cred-panel {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.cred-panel[hidden] { display: none; }
.cred-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.cred-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.cred-issuer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.cred-issuer-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.cred-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}
.cred-meta {
  font-size: 12px;
  color: var(--text-mute);
}
.cred-modules {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cred-modules li {
  font-size: 13px;
  color: var(--text-dim);
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
}
.cred-modules li:last-child { border-bottom: 0; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
}
.contact-pitch h3 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 14px;
}
.contact-pitch p {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  max-width: 460px;
}
.contact-cards {
  display: grid;
  gap: 12px;
  align-content: start;
}
.contact-card {
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 4px 16px;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.contact-card svg {
  grid-row: 1 / span 2;
  width: 28px; height: 28px;
  color: var(--accent);
}
.contact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.contact-card strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.contact-card--static { cursor: default; }
.contact-card--static:hover { border-color: var(--border); transform: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px clamp(20px, 5vw, 60px) 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--text-mute);
  border-top: 1px solid var(--border);
}
.foot-r { display: flex; gap: 8px; align-items: center; }
.foot-mode {
  font-size: 12px;
  color: var(--text-mute);
  padding: 4px 8px;
  border-radius: 6px;
  transition: color var(--t-fast), background var(--t-fast);
}
.foot-mode:hover { color: var(--accent); background: var(--surface); }

/* ============================================================
   MODE WIPE — radial reveal animation
   ============================================================ */
.mode-wipe {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  background: var(--gradient);
  clip-path: circle(0 at var(--wx, 50%) var(--wy, 50%));
  display: grid;
  place-items: center;
  color: #000;
}
.mode-wipe.is-active {
  pointer-events: all;
  animation: wipeIn 700ms cubic-bezier(.6,0,.2,1) forwards;
}
.mode-wipe.is-out {
  animation: wipeOut 700ms cubic-bezier(.6,0,.2,1) forwards;
}
@keyframes wipeIn {
  0% { clip-path: circle(0 at var(--wx, 50%) var(--wy, 50%)); }
  100% { clip-path: circle(150% at var(--wx, 50%) var(--wy, 50%)); }
}
@keyframes wipeOut {
  0% { clip-path: circle(150% at var(--wx, 50%) var(--wy, 50%)); }
  100% { clip-path: circle(0 at var(--wx, 50%) var(--wy, 50%)); }
}
.mode-wipe-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 12vw, 140px);
  letter-spacing: .04em;
  color: #000;
  opacity: 0;
  transform: scale(.85);
  transition: opacity 400ms, transform 400ms;
}
.mode-wipe.is-active .mode-wipe-label {
  opacity: 1; transform: scale(1);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-in {
  opacity: 1; transform: none;
}

/* small stagger using CSS variable */
.reveal[style*="--delay"] { transition-delay: var(--delay); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "photo"
      "text"
      "dial";
    gap: 36px;
    text-align: center;
  }
  .hero-photo { margin: 0 auto; }
  .kicker { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .mode-dial {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }
  .scroll-cue { display: none; }
  .about-grid, .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .navlinks { display: none; }
  .nav-burger { display: flex; }
  .topnav.is-open .navlinks {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-2);
    padding: 12px;
    border-bottom: 1px solid var(--border);
  }
  .timeline { padding-left: 22px; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .photo-ring { animation: none; }
  .reveal { opacity: 1; transform: none; }
}
