/* ================= Tokens ================= */
:root {
  --font: "Tajawal", system-ui, -apple-system, "Segoe UI", sans-serif;
  --blue: #4f7cff;
  --purple: #8b5cf6;
  --grad: linear-gradient(115deg, var(--blue), var(--purple));
  --r-sm: 12px; --r-md: 20px; --r-lg: 32px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --t: .3s var(--ease);
  --header-h: 68px;
}
[data-theme="dark"] {
  --bg: #06070d;
  --surface: #0c0e1a;
  --surface-2: #11142380;
  --solid-2: #111424;
  --paper: #0e1120;
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(126, 140, 255, .45);
  --text: #eff1fa;
  --muted: #9ba1bb;
  --dim: #5a5f7c;
  --accent: #8aa2ff;
  --shadow: 0 30px 60px -30px rgba(0, 0, 0, .9);
  --glow-a: rgba(139, 92, 246, .16);
  --glow-b: rgba(79, 124, 255, .14);
  --grid: rgba(255, 255, 255, .045);
  --grain: .07;
}
[data-theme="light"] {
  --bg: #f4f4fa;
  --surface: #ffffff;
  --surface-2: #ffffffb0;
  --solid-2: #ecedf7;
  --paper: #fffefb;
  --line: rgba(22, 26, 70, .1);
  --line-strong: rgba(79, 70, 229, .45);
  --text: #11132b;
  --muted: #545977;
  --dim: #8a90ad;
  --accent: #4338ca;
  --shadow: 0 30px 60px -34px rgba(40, 44, 120, .35);
  --glow-a: rgba(139, 92, 246, .1);
  --glow-b: rgba(79, 124, 255, .1);
  --grid: rgba(22, 26, 70, .05);
  --grain: .05;
}

/* ================= Base ================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; transition: background .4s, color .4s; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, dl, dd, figure, blockquote { margin: 0; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 8px; }
.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Missing images fall back to their placeholder */
.has-img.no-img img { display: none; }
.fb { display: none; }
.no-img .fb { display: grid; }

/* Background layers */
.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.bg-light { position: absolute; inset: 0; background:
  radial-gradient(760px 520px at 86% 4%, var(--glow-a), transparent 70%),
  radial-gradient(700px 520px at 4% 36%, var(--glow-b), transparent 70%),
  radial-gradient(900px 400px at 50% 110%, var(--glow-a), transparent 70%);
  transform: translate3d(0, var(--py, 0px), 0); }
.bg-grid { position: absolute; inset: 0;
  background: linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 80px 80px, linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%); }
.bg-grain { position: absolute; inset: 0; opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; }
.progress span { display: block; height: 100%; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; }

/* ================= Header ================= */
.header { position: sticky; top: 0; z-index: 50; height: var(--header-h); border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.header.scrolled { background: color-mix(in srgb, var(--bg) 72%, transparent); backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3); border-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.12rem; }
.logo-img { height: 32px; width: auto; display: block; object-fit: contain; }
.logo-mark { width: 22px; height: 22px; border-radius: 7px; background: var(--grad); position: relative; flex: none; }
.logo-mark::after { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: var(--bg); }
.nav { display: flex; gap: 2px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--surface) 60%, transparent); }
.nav a { padding: 7px 14px; border-radius: 999px; color: var(--muted); font-weight: 500; font-size: .9rem; transition: color .2s, background .2s; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); background: var(--solid-2); }
.header-actions { display: flex; gap: 8px; }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 70%, transparent); cursor: pointer; transition: var(--t); }
.icon-btn:hover { border-color: var(--line-strong); transform: translateY(-1px); }
[data-theme="dark"] .i-moon, [data-theme="light"] .i-sun { display: none; }
.menu-btn { display: none; }
.bars { position: relative; width: 16px; height: 10px; }
.bars i { position: absolute; left: 0; width: 100%; height: 1.6px; background: currentColor; border-radius: 2px; transition: var(--t); }
.bars i:first-child { top: 0; } .bars i:last-child { bottom: 0; }
.menu-btn[aria-expanded="true"] .bars i:first-child { top: 4px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] .bars i:last-child { bottom: 4px; transform: rotate(-45deg); }
.li-icon { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 5px; background: #fff; color: #4338ca; font-weight: 900; font-size: .78rem; line-height: 1; }
.li-icon { position: relative; overflow: hidden; }
.li-icon img { width: 100%; height: 100%; object-fit: contain; }
.li-icon .fb { place-items: center; }
.li-icon { width: 22px; height: 22px; border-radius: 5px; background: #0a66c2; color: #fff; }
.li-link .li-icon { width: 24px; height: 24px; }

/* ================= Shared ================= */
.section { padding-block: clamp(72px, 10vw, 140px); }
.label-row { display: flex; align-items: center; gap: 14px; margin-bottom: clamp(28px, 5vw, 56px); font-size: .74rem; letter-spacing: .24em; font-weight: 700; }
.label-row i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-strong), transparent); }
.sec-num { color: var(--accent); }
.sec-name { color: var(--muted); }
h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; text-wrap: balance; }
.lead { color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 34em; }
.demo-note { margin-top: 18px; font-size: .74rem; letter-spacing: .08em; color: var(--dim); }
.demo-note::before { content: "◦ "; }
.eyebrow { font-size: .74rem; font-weight: 700; letter-spacing: .28em; color: var(--accent); margin-bottom: 18px; }

.btn { position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 999px; font-weight: 700; border: 1px solid transparent; transition: var(--t); cursor: pointer; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 14px 30px -14px rgba(99, 102, 241, .9), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 36px -14px rgba(99, 102, 241, .95), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-ghost { border-color: var(--line); background: color-mix(in srgb, var(--surface) 60%, transparent); }
.btn-ghost:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.btn-lg { padding: 18px 34px; font-size: 1.05rem; }
.btn[aria-disabled="true"] { opacity: .6; cursor: not-allowed; }
.btn[aria-disabled="true"]:hover { transform: none; }

/* ================= Badges ================= */
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; margin-bottom: 4px; }
.badge { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 70%, transparent); font-size: .78rem; font-weight: 600; letter-spacing: .05em; color: var(--muted); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .25s, color .25s; }
.badge:hover { border-color: var(--line-strong); color: var(--text); }
.badge svg { color: var(--accent); flex: none; }

/* ================= Hero ================= */
.hero { position: relative; min-height: calc(100svh - var(--header-h)); display: flex; flex-direction: column; justify-content: center; padding-block: 24px 32px; }
.hero-meta { display: flex; align-items: center; gap: 14px; font-size: .68rem; letter-spacing: .26em; color: var(--dim); font-weight: 700; }
.hero-meta i { width: 44px; height: 1px; background: var(--line-strong); }
.hero-meta-top { margin-bottom: clamp(20px, 4vw, 44px); }
.hero-meta-bottom { margin-top: clamp(20px, 4vw, 44px); justify-content: space-between; }
.hero-meta-bottom i { flex: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.role-tag { display: inline-flex; align-items: center; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 70%, transparent); font-size: .72rem; letter-spacing: .2em; font-weight: 700; margin-bottom: 28px; }
.name { font-size: clamp(3.4rem, 10.5vw, 9rem); line-height: .92; font-weight: 900; letter-spacing: -.045em; }
.mask { display: block; overflow: hidden; padding-bottom: .08em; }
.mask-in { display: inline-block; transform: translateY(110%); transition: transform 1.1s var(--ease); transition-delay: calc(var(--i) * .1s + .15s); }
.loaded .mask-in { transform: none; }
.mask-in.grad { padding-right: .04em; }
.hero-role { margin-top: 28px; font-size: clamp(1.2rem, 2.2vw, 1.6rem); font-weight: 700; }
.hero-intro { margin-top: 10px; color: var(--muted); max-width: 30em; font-size: 1.1rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }

.portrait { position: relative; width: min(100%, 430px); justify-self: end; margin-inline-end: 36px; opacity: 0; transform: translateY(30px) scale(.97); transition: opacity 1.2s var(--ease) .3s, transform 1.2s var(--ease) .3s; }
.loaded .portrait { opacity: 1; transform: none; }
.portrait-frame { position: relative; aspect-ratio: 4 / 5; border-radius: var(--r-lg) var(--r-lg) 140px var(--r-lg); overflow: hidden; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow); isolation: isolate; transform: translate3d(calc(var(--mx, 0) * -8px), calc(var(--my, 0) * -8px), 0); transition: transform .3s ease-out; }
.portrait-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 20%; z-index: 1; }
.portrait-frame::after { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(180deg, transparent 60%, color-mix(in srgb, var(--bg) 45%, transparent)), linear-gradient(150deg, transparent 55%, rgba(79, 124, 255, .18)); }
.portrait-fallback { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(150deg, var(--solid-2), var(--surface)); }
.portrait-fallback span { font-size: 6rem; font-weight: 900; letter-spacing: -.04em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .55; }
.portrait-layer { position: absolute; inset: 0; border-radius: var(--r-lg) var(--r-lg) 140px var(--r-lg); border: 1px solid var(--line); }
.portrait-layer.l2 { transform: translate(18px, 18px); background: linear-gradient(150deg, rgba(79, 124, 255, .16), rgba(139, 92, 246, .1)); }
.portrait-layer.l3 { transform: translate(36px, 36px); opacity: .6; }
.corner { position: absolute; z-index: 3; width: 22px; height: 22px; border: 1.5px solid rgba(255, 255, 255, .6); }
.corner.tl { top: 16px; left: 16px; border-right: 0; border-bottom: 0; }
.corner.br { bottom: 16px; right: 16px; border-left: 0; border-top: 0; }
.float { position: absolute; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 14px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 82%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); font-size: .76rem; font-weight: 700; letter-spacing: .14em; box-shadow: var(--shadow); }
.float small { color: var(--accent); font-size: .68rem; }
.f-a { left: -28px; bottom: 56px; animation: bob 7s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* ================= About ================= */
.about { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: end; }
.statement { font-size: clamp(2.2rem, 5.4vw, 4.4rem); margin-bottom: 28px; }
.panel-info { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-2); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); overflow: hidden; }
.panel-info div { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 24px; transition: background .25s; }
.panel-info div:hover { background: color-mix(in srgb, var(--blue) 7%, transparent); }
.panel-info div + div { border-top: 1px solid var(--line); }
.panel-info dt { font-size: .68rem; letter-spacing: .22em; color: var(--muted); font-weight: 700; }
.panel-info dd { font-weight: 700; font-size: 1.1rem; }
.panel-info .panel-highlight { background: color-mix(in srgb, var(--blue) 5%, transparent); }
.panel-info .panel-highlight dt { color: var(--accent); }
.panel-info .panel-highlight dd { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ================= Skills ================= */
.skills { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: clamp(32px, 5vw, 56px); }
.skill { position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 320px; padding: 28px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-2); overflow: hidden; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .3s, transform .5s var(--ease); }
.skill::before { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .4s; background: radial-gradient(260px circle at var(--sx, 50%) var(--sy, 0%), color-mix(in srgb, var(--blue) 22%, transparent), transparent 70%); }
.skill::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.skill:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.skill:hover::before { opacity: 1; }
.skill:hover::after { transform: scaleX(1); }
.skill > * { position: relative; }
.skill-num { font-size: clamp(3.4rem, 6vw, 5rem); font-weight: 900; line-height: 1; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1px var(--line-strong); transition: color .4s; }
.skill:hover .skill-num { color: color-mix(in srgb, var(--purple) 24%, transparent); }
.skill h3 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; letter-spacing: -.03em; margin-top: 56px; }
.skill p { color: var(--muted); margin-top: 8px; font-size: .98rem; }

/* ================= Recommendation letter ================= */
.letter-section { padding-block: clamp(72px, 10vw, 140px); border-block: 1px solid var(--line); background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--blue) 5%, transparent), transparent); }
.letter-intro { margin-bottom: clamp(28px, 5vw, 48px); }
.letter-intro h2 { margin-bottom: 14px; }
.letter { position: relative; display: grid; grid-template-columns: 280px 1fr; border: 1px solid var(--line-strong); border-radius: var(--r-lg); background: var(--paper); box-shadow: var(--shadow); overflow: hidden; }
.letter::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad); z-index: 2; }
.letter-rail { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; padding: 44px 30px 34px; border-right: 1px solid var(--line); background: linear-gradient(180deg, color-mix(in srgb, var(--blue) 7%, transparent), transparent 70%); }
.founder-photo { position: relative; width: 84px; height: 84px; border-radius: 50%; overflow: hidden; border: 2px solid var(--line-strong); background: var(--grad); display: grid; place-items: center; margin-bottom: 16px; flex: none; }
.founder-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.founder-photo .fb { place-items: center; color: #fff; font-weight: 900; font-size: 1.8rem; }
.rail-name { font-weight: 800; font-size: 1.15rem; line-height: 1.3; }
.rail-role { color: var(--muted); font-size: .92rem; }
.rail-meta { display: grid; gap: 14px; width: 100%; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.rail-meta dt { font-size: .62rem; letter-spacing: .24em; color: var(--accent); font-weight: 700; }
.rail-meta dd { font-weight: 500; font-size: .95rem; }
.seal { margin-top: auto; align-self: flex-start; display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; border: 1.5px dashed var(--line-strong); color: var(--accent); font-size: .6rem; font-weight: 800; letter-spacing: .2em; text-align: center; line-height: 1.5; transform: rotate(-10deg); margin-top: 40px; }
.seal span { display: grid; place-items: center; width: 68px; height: 68px; border-radius: 50%; border: 1px solid var(--line); }
.letter-body { padding: clamp(28px, 5vw, 64px); }
.letter-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-bottom: 22px; margin-bottom: 36px; border-bottom: 1px solid var(--line); }
.lh-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; }
.letter-logo { height: 36px; width: auto; display: block; object-fit: contain; }
.lh-tag { font-size: .66rem; letter-spacing: .26em; color: var(--muted); font-weight: 700; }
.salute { font-size: 1.15rem; font-weight: 700; margin-bottom: 20px; }
.letter-body p { font-size: clamp(1.05rem, 1.5vw, 1.2rem); line-height: 1.85; color: color-mix(in srgb, var(--text) 86%, transparent); max-width: 40em; }
.letter-body p + p { margin-top: 18px; }
.letter-body em { font-style: normal; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dropcap::first-letter { float: left; font-size: 4.2rem; line-height: .85; font-weight: 900; padding: 6px 12px 0 0; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.letter-foot { margin-top: 44px; }
.letter-body .close { color: var(--muted); }
.signoff { display: grid; margin-top: 22px; padding-top: 18px; width: fit-content; min-width: 240px; border-top: 1px solid var(--line-strong); }
.signoff strong { font-size: 1.25rem; font-weight: 800; }
.signoff span { color: var(--muted); font-size: .95rem; }
.letter-section .demo-note { margin-top: 20px; }

/* ================= Achievements ================= */
.ach-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.ach-side { position: sticky; top: 110px; }
.ach-side h2 { margin-bottom: 18px; }
.timeline { position: relative; display: grid; gap: 20px; padding-left: 44px; }
.tl-line { position: absolute; left: 11px; top: 10px; bottom: 10px; width: 1px; background: var(--line); }
.tl-line span { display: block; width: 100%; height: 100%; background: var(--grad); transform: scaleY(0); transform-origin: top; }
.tl-item { position: relative; padding: 26px 28px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface-2); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .3s, transform .4s var(--ease); }
.tl-item::before { content: ""; position: absolute; left: -41px; top: 34px; width: 13px; height: 13px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--dim); transition: var(--t); }
.tl-item.in::before { border-color: var(--purple); background: var(--purple); box-shadow: 0 0 0 5px color-mix(in srgb, var(--purple) 20%, transparent); }
.tl-item:hover { transform: translateX(6px); border-color: var(--line-strong); }
.tl-num { font-size: .72rem; letter-spacing: .24em; color: var(--accent); font-weight: 700; }
.tl-item h3 { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; margin: 6px 0; }
.tl-item p { color: var(--muted); }

/* ================= Inside CoreX ================= */
.corex { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(24px, 5vw, 80px); align-items: center; }
.corex h2 { margin-bottom: 20px; }
.net { border: 1px solid var(--line); border-radius: var(--r-lg); background: radial-gradient(400px 260px at 50% 0%, var(--glow-a), transparent 70%), var(--surface-2); padding: 12px; }
#net { width: 100%; height: auto; display: block; overflow: visible; }
#net .flow { fill: none; stroke: var(--line-strong); stroke-width: 1.2; stroke-dasharray: 500; stroke-dashoffset: 500; transition: stroke-dashoffset 1.6s var(--ease); }
#net.drawn .flow { stroke-dashoffset: 0; }
#net .node rect { fill: var(--surface); stroke: var(--line); transition: stroke .3s; }
#net .node:hover rect { stroke: var(--line-strong); }
#net .node text { fill: var(--text); font-family: inherit; font-weight: 700; font-size: 17px; }
#net .node .sub { fill: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .14em; }
#net .node .idx { fill: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
#net .you rect { stroke: url(#ng); stroke-width: 1.5; fill: color-mix(in srgb, var(--blue) 10%, var(--surface)); }
#net .pkt { fill: var(--purple); }
#net .node { opacity: 0; transform: translateY(10px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--k) * .18s); }
#net.drawn .node { opacity: 1; transform: none; }

/* ================= Projects ================= */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: clamp(28px, 5vw, 56px); }
.pj { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-height: 400px; padding: clamp(26px, 4vw, 40px); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface-2); overflow: hidden; isolation: isolate; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: border-color .3s, transform .5s var(--ease); }
.pj:hover { border-color: var(--line-strong); transform: translateY(-6px); }
.pj-art { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(380px 280px at 85% 10%, color-mix(in srgb, var(--purple) 28%, transparent), transparent 70%),
  radial-gradient(340px 260px at 5% 100%, color-mix(in srgb, var(--blue) 24%, transparent), transparent 70%),
  linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 40px 40px, linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 40px 40px;
  transition: transform .9s var(--ease); }
.pj:hover .pj-art { transform: scale(1.07); }
.logo-tile { position: relative; display: grid; place-items: center; width: 96px; height: 96px; padding: 0; overflow: hidden; background: #000; border-radius: 24px; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow); margin-bottom: auto; }
.logo-tile img { width: 100%; height: 100%; object-fit: cover; }
.logo-tile .fb { place-items: center; font-size: 2.2rem; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pj-tag { margin-top: 48px; font-size: .68rem; letter-spacing: .26em; font-weight: 700; color: var(--accent); }
.pj h3 { font-size: clamp(2.2rem, 4.4vw, 3.6rem); font-weight: 900; letter-spacing: -.035em; line-height: 1.05; margin: 6px 0 10px; }
.pj-desc { color: var(--muted); max-width: 26em; }
.pj-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); font-weight: 700; font-size: .92rem; background: color-mix(in srgb, var(--surface) 70%, transparent); transition: var(--t); }
a.pj-link:hover { background: var(--grad); color: #fff; border-color: transparent; }
.pj-link.is-off { color: var(--dim); border-style: dashed; }

/* ================= CTA ================= */
.cta { padding-block: clamp(32px, 6vw, 72px) clamp(72px, 10vw, 140px); }
.cta-box { position: relative; overflow: hidden; display: grid; justify-items: center; text-align: center; gap: 22px; padding: clamp(56px, 10vw, 128px) 24px; border: 1px solid var(--line-strong); border-radius: 40px; background: radial-gradient(620px 320px at 50% 0%, var(--glow-a), transparent 70%), radial-gradient(520px 300px at 50% 120%, var(--glow-b), transparent 70%), var(--surface); }
.cta-lines { position: absolute; inset: 0; z-index: 0; background: repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 90px); -webkit-mask-image: radial-gradient(ellipse, #000, transparent 70%); mask-image: radial-gradient(ellipse, #000, transparent 70%); }
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { font-size: clamp(3rem, 9vw, 7.5rem); font-weight: 900; letter-spacing: -.045em; line-height: .95; }
.cta-box .lead { margin-inline: auto; }

/* ================= Footer ================= */
.footer { border-top: 1px solid var(--line); padding-block: 40px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.footer p, .footer small { color: var(--muted); font-size: .92rem; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); transition: color .2s; }
.footer-links a:hover { color: var(--text); }

/* ================= Reveal ================= */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease) var(--d, 0s), transform .9s var(--ease) var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .tl-item { opacity: 0; transform: translateY(26px); }
.js .tl-item.in { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease), border-color .3s; }
.js .tl-item.in:hover { transform: translateX(6px); }
/* Keep hover motion after the reveal transition finishes */
.js .skill.reveal.in:hover, .js .pj.reveal.in:hover { transition: border-color .3s, transform .5s var(--ease); }

/* ================= Responsive ================= */
@media (max-width: 1100px) {
  .skills { grid-template-columns: repeat(2, 1fr); }
  .skill { min-height: 260px; }
}
@media (max-width: 1020px) {
  .nav a { padding: 7px 10px; font-size: .84rem; }
  .ach-layout, .corex { grid-template-columns: 1fr; }
  .ach-side { position: static; }
  .letter { grid-template-columns: 1fr; }
  .letter-rail { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px 18px; border-right: 0; border-bottom: 1px solid var(--line); padding: 32px 28px 24px; }
  .founder-photo { margin-bottom: 0; }
  .rail-name, .rail-role { flex-basis: calc(100% - 110px); }
  .rail-meta { margin-top: 18px; padding-top: 18px; grid-template-columns: repeat(3, 1fr); }
  .seal { display: none; }
}
@media (max-width: 860px) {
  .menu-btn { display: grid; }
  .nav { position: fixed; top: var(--header-h); left: 12px; right: 12px; flex-direction: column; gap: 2px; padding: 10px; border-radius: 24px; background: color-mix(in srgb, var(--bg) 94%, transparent); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: var(--shadow); opacity: 0; transform: translateY(-8px); pointer-events: none; transition: var(--t); }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 14px 18px; font-size: 1rem; border-radius: 16px; }
  .hero-grid { grid-template-columns: 1fr; }
  .portrait { order: -1; justify-self: center; width: min(78%, 340px); margin-inline: 0; margin-bottom: 36px; }
  .f-a { left: -12px; }
  .about { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .pj { min-height: 340px; }
}
@media (max-width: 560px) {
  .skills { grid-template-columns: 1fr; }
  .skill { min-height: 200px; }
  .skill h3 { margin-top: 28px; }
  .timeline { padding-left: 34px; }
  .tl-item::before { left: -31px; }
  .tl-line { left: 6px; }
  .tl-item { padding: 20px; }
  .rail-meta { grid-template-columns: 1fr; }
  .hero-meta span:last-child { display: none; }
  .hero-meta-bottom span:last-child { display: inline; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
  .js .reveal, .js .tl-item, .portrait, #net .node { opacity: 1; transform: none; }
  .mask-in { transform: none; }
  #net .flow { stroke-dashoffset: 0; }
}