/* ============================================================
   Amir Rivand — Web Engineer · Personal Site
   base.css — tokens, reset, type, nav, hero, shared primitives
   ============================================================ */

:root {
  /* surfaces (dark, blue-tinted near-black) */
  --bg:        #05070f;
  --bg-1:      #090d18;
  --bg-2:      #0c1222;
  --panel:     rgba(16, 22, 40, 0.55);
  --panel-2:   rgba(20, 28, 50, 0.65);

  /* lines */
  --line:        rgba(146, 178, 255, 0.10);
  --line-soft:   rgba(146, 178, 255, 0.06);
  --line-strong: rgba(120, 160, 255, 0.24);

  /* text */
  --text:    #eaf0fb;
  --text-dim:  #9fb0cf;
  --text-faint: #5d6c8c;

  /* accents — overridden by palette tweak */
  --accent:   #2563eb;   /* royal blue */
  --accent-2: #38bdf8;   /* electric cyan */
  --accent-ink: #bcd2ff;

  /* neon intensity 0..1 — overridden by tweak */
  --neon: 0.6;

  /* derived glows */
  --glow-soft: color-mix(in oklab, var(--accent) 60%, transparent);
  --glow-cyan: color-mix(in oklab, var(--accent-2) 60%, transparent);

  /* type */
  --f-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --f-body:    "Manrope", ui-sans-serif, system-ui, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* layout */
  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 72px);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* ambient page background: deep blue field + faint grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 78% -8%, color-mix(in oklab, var(--accent) calc(22% * var(--neon)), transparent), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, color-mix(in oklab, var(--accent-2) calc(12% * var(--neon)), transparent), transparent 55%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 25%, transparent 80%);
  opacity: 0.7;
}

h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: color-mix(in oklab, var(--accent) 40%, transparent); color: #fff; }

/* scrollbar */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1b2540; border-radius: 20px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #25325a; }

/* ---------- shared layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
section { position: relative; }

.mono { font-family: var(--f-mono); font-weight: 500; letter-spacing: 0.02em; }
.eyebrow {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.section-head { margin-bottom: clamp(36px, 5vw, 64px); }
.section-head h2 {
  font-size: clamp(30px, 4.6vw, 56px);
  margin-top: 18px;
  max-width: 16ch;
}
.section-head .lede { color: var(--text-dim); margin-top: 18px; max-width: 56ch; font-size: 18px; }

.section-pad { padding-block: clamp(90px, 12vw, 168px); }

/* counter index for section labels */
.idx { color: var(--text-faint); }

/* glow helpers driven by --neon */
.glow-text {
  text-shadow:
    0 0 calc(28px * var(--neon)) var(--glow-soft),
    0 0 calc(60px * var(--neon)) color-mix(in oklab, var(--accent) calc(30% * var(--neon)), transparent);
}
.glow-cyan-text {
  text-shadow: 0 0 calc(26px * var(--neon)) var(--glow-cyan);
}

/* ---------- buttons ---------- */
.btn {
  --bg-btn: transparent;
  font-family: var(--f-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--bg-btn);
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), border-color .25s, box-shadow .35s, background .25s, color .2s;
  position: relative;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-2px); border-color: color-mix(in oklab, var(--accent) 70%, var(--line-strong)); }
.btn-primary {
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 90%, white 10%), var(--accent));
  color: #fff;
  border-color: transparent;
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--accent) 55%, transparent) inset,
    0 5px 16px rgba(3, 7, 20, 0.5);
}
.btn-primary:hover {
  box-shadow:
    0 0 0 1px color-mix(in oklab, var(--accent) 70%, transparent) inset,
    0 8px 22px rgba(3, 7, 20, 0.55);
}
.btn-ghost { background: color-mix(in oklab, var(--bg-2) 60%, transparent); backdrop-filter: blur(8px); }

/* pill / chip */
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: 0.03em;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel);
  color: var(--text-dim); backdrop-filter: blur(8px);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px color-mix(in oklab, #34d399 22%, transparent); }
.dot.live { animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 3px color-mix(in oklab, #34d399 25%, transparent);} 50% { box-shadow: 0 0 0 8px color-mix(in oklab, #34d399 0%, transparent);} }

/* glass card base */
.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--f-display); font-weight: 600; letter-spacing: -0.01em; }
.brand .mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  font-family: var(--f-mono); font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(140deg, var(--accent), color-mix(in oklab, var(--accent-2) 70%, var(--accent)));
  box-shadow: 0 0 calc(22px * var(--neon)) var(--glow-soft), inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand small { color: var(--text-faint); font-family: var(--f-mono); font-size: 11px; display: block; margin-top: 1px; letter-spacing: .04em; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a {
  font-family: var(--f-mono); font-size: 13px; color: var(--text-dim); letter-spacing: .02em;
  position: relative; padding: 6px 0; transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); box-shadow: 0 0 10px var(--glow-soft); transition: width .3s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; }

@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
}
@media (max-width: 560px) {
  .nav-cta .btn span.lbl { display: none; }
  .brand small { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: 90px; overflow: hidden; }
.hero .wrap { position: relative; z-index: 3; width: 100%; }
.hero-grid { display: grid; gap: 30px; }

.hero-status { margin-bottom: 30px; }

.hero h1 {
  font-size: clamp(58px, 13vw, 178px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  font-weight: 600;
}
.hero h1 .line { display: block; overflow: hidden; }
.hero h1 .grad {
  background: linear-gradient(96deg, var(--text) 12%, var(--accent-ink) 40%, var(--accent) 66%, var(--accent-2) 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: 30px;
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 36px; align-items: end;
}
.hero-sub p { color: var(--text-dim); font-size: clamp(16px, 1.6vw, 20px); max-width: 48ch; }
.hero-sub p strong { color: var(--text); font-weight: 600; }
.hero-meta { font-family: var(--f-mono); font-size: 12.5px; color: var(--text-faint); display: grid; gap: 8px; }
.hero-meta b { color: var(--accent-ink); font-weight: 500; }

.hero-cta { margin-top: 42px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: var(--line);
}
.hero-stats .stat { background: color-mix(in oklab, var(--bg-1) 84%, transparent); padding: 22px 24px; backdrop-filter: blur(8px); }
.hero-stats .n { font-family: var(--f-display); font-size: clamp(26px, 3.4vw, 40px); font-weight: 600; letter-spacing: -0.02em; }
.hero-stats .n em { font-style: normal; color: var(--accent); }
.hero-stats .l { font-family: var(--f-mono); font-size: 11.5px; color: var(--text-faint); margin-top: 6px; letter-spacing: .04em; }

@media (max-width: 720px) {
  .hero-sub { grid-template-columns: 1fr; gap: 22px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* hero visual layers (parallax) */
.hero-layers { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(40px); opacity: calc(0.5 + 0.5 * var(--neon));
  mix-blend-mode: screen;
}
.orb-a { width: 540px; height: 540px; top: -120px; right: -60px;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 70%, transparent), transparent 62%); }
.orb-b { width: 420px; height: 420px; bottom: -100px; left: -40px;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent-2) 55%, transparent), transparent 62%); }

/* conic beam variant */
.hero-beam {
  position: absolute; inset: -40% -10% auto -10%; height: 120%;
  background: conic-gradient(from 200deg at 70% 18%,
    transparent 0deg,
    color-mix(in oklab, var(--accent) 40%, transparent) 40deg,
    color-mix(in oklab, var(--accent-2) 36%, transparent) 70deg,
    transparent 110deg);
  filter: blur(18px);
  opacity: 0; transition: opacity .6s;
}
:root[data-hero="beam"] .hero-beam { opacity: calc(0.55 * (0.4 + var(--neon))); }
:root[data-hero="beam"] .orb-a, :root[data-hero="beam"] .orb-b { opacity: calc(0.3 * var(--neon)); }

/* particle field variant */
.hero-particles { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; }
:root[data-hero="particles"] .hero-particles { opacity: 1; }
:root[data-hero="particles"] .orb-a { opacity: calc(0.4 * var(--neon)); }
:root[data-hero="particles"] .hero-beam { opacity: 0 !important; }
.hero-particles i {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 calc(8px * var(--neon)) var(--glow-cyan);
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  from { transform: translateY(20px); opacity: 0; }
  10% { opacity: .9; }
  90% { opacity: .6; }
  to { transform: translateY(-120px); opacity: 0; }
}

/* scroll cue */
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: var(--f-mono); font-size: 11px; color: var(--text-faint);
  display: flex; flex-direction: column; align-items: center; gap: 10px; letter-spacing: .2em;
  z-index: 4;
}
.scroll-cue .bar { width: 1px; height: 42px; background: linear-gradient(var(--accent), transparent); position: relative; overflow: hidden; }
.scroll-cue .bar::after { content:""; position: absolute; top: -50%; left: 0; width: 100%; height: 50%; background: var(--text); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { top: -50%; } 100% { top: 120%; } }

/* ---------- reveal: content is always visible (scroll fade-in removed) ---------- */
[data-reveal] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .scroll-cue .bar::after, .dot.live, .hero-particles i { animation: none !important; }
  html { scroll-behavior: auto; }
}


/* ============================================================
   sections.css — about, skills, projects, experience,
   services, blog, contact, footer
   ============================================================ */

/* ---------- generic two-col section header ---------- */
.split-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.split-head .lede { color: var(--text-dim); font-size: 18px; max-width: 52ch; }
@media (max-width: 820px) { .split-head { grid-template-columns: 1fr; gap: 18px; } }

/* ============================================================
   ABOUT — terminal narrative + personality
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: stretch; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.about-copy h2 { font-size: clamp(28px, 3.6vw, 46px); max-width: 18ch; }
.about-copy .big { font-size: clamp(19px, 2vw, 24px); color: var(--text); margin-top: 26px; line-height: 1.5; }
.about-copy .big b { color: var(--accent-ink); font-weight: 600; }
.about-copy p { color: var(--text-dim); margin-top: 18px; max-width: 54ch; }

.terminal { padding: 0; overflow: hidden; align-self: start; }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; border-bottom: 1px solid var(--line); background: color-mix(in oklab, var(--bg-2) 70%, transparent); }
.term-bar .tdot { width: 11px; height: 11px; border-radius: 50%; background: #2a3550; }
.term-bar .tdot:nth-child(1){ background:#ff5f57;} .term-bar .tdot:nth-child(2){ background:#febc2e;} .term-bar .tdot:nth-child(3){ background:#28c840;}
.term-bar .tname { margin-left: 8px; font-family: var(--f-mono); font-size: 12px; color: var(--text-faint); }
.term-body { padding: 22px; font-family: var(--f-mono); font-size: 13.5px; line-height: 1.9; }
.term-body .c { color: var(--text-faint); }
.term-body .k { color: var(--accent-2); }
.term-body .s { color: #7ee0a8; }
.term-body .v { color: var(--text); }
.term-body .row { display: block; }
.term-body .out { color: var(--text-dim); padding-left: 0; }
.term-cursor { display: inline-block; width: 8px; height: 16px; background: var(--accent); vertical-align: -3px; margin-left: 4px; box-shadow: 0 0 calc(10px*var(--neon)) var(--glow-soft); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   SKILLS — marquee + categorized grid
   ============================================================ */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); border-block: 1px solid var(--line); padding-block: 22px; margin-bottom: 64px; }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: scrollX 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--f-display); font-size: clamp(22px, 3vw, 38px); font-weight: 600; color: var(--text-faint); white-space: nowrap; display: inline-flex; align-items: center; gap: 56px; transition: color .3s; }
.marquee-track span::after { content: "✳"; color: var(--accent); font-size: .6em; }
.marquee-track span:hover { color: var(--text); }
@keyframes scrollX { to { transform: translateX(-50%); } }

.skill-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .skill-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .skill-grid { grid-template-columns: 1fr; } }
.skill-cat { padding: 24px; transition: transform .35s, border-color .35s, box-shadow .35s; position: relative; overflow: hidden; }
.skill-cat::before { content:""; position:absolute; inset:0; background: radial-gradient(360px 160px at 100% 0%, color-mix(in oklab, var(--accent) calc(14%*var(--neon)), transparent), transparent 70%); opacity:0; transition:opacity .4s; }
.skill-cat:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 18px 50px rgba(0,0,0,.4); }
.skill-cat:hover::before { opacity: 1; }
.skill-cat .ci { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.skill-cat h4 { font-family: var(--f-mono); font-size: 13px; letter-spacing: .04em; color: var(--accent-ink); text-transform: uppercase; font-weight: 600; }
.skill-cat .ci .num { font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-family: var(--f-mono); font-size: 12px; padding: 5px 11px; border-radius: 8px; border: 1px solid var(--line); color: var(--text-dim); background: color-mix(in oklab, var(--bg-2) 50%, transparent); transition: color .2s, border-color .2s, background .2s; }
.tag:hover { color: var(--text); border-color: var(--line-strong); background: color-mix(in oklab, var(--accent) calc(14%*var(--neon)), transparent); }

/* ============================================================
   PROJECTS — sticky storytelling + card variants
   ============================================================ */
.projects-rail { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .projects-rail { grid-template-columns: 1fr; } }

/* shared project card */
.proj {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--panel);
  display: grid; grid-template-columns: 1fr; min-height: 0;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), border-color .5s, box-shadow .5s;
}
.proj:hover { border-color: var(--line-strong); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.proj.rev { grid-template-columns: 1fr; }
@media (max-width: 860px) { .proj, .proj.rev { grid-template-columns: 1fr; } .proj.rev .proj-shot { order: 0; } }

.proj-info { padding: clamp(26px, 3.4vw, 44px); display: flex; flex-direction: column; }
.proj-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: auto; }
.proj-no { font-family: var(--f-mono); font-size: 12px; color: var(--text-faint); letter-spacing: .1em; }
.proj-kind { font-family: var(--f-mono); font-size: 11px; color: var(--accent-ink); padding: 5px 10px; border: 1px solid var(--line-strong); border-radius: 999px; }
.proj-info h3 { font-size: clamp(26px, 3vw, 38px); margin-top: 30px; letter-spacing: -0.03em; }
.proj-role { font-family: var(--f-mono); font-size: 12.5px; color: var(--accent); margin-top: 12px; }
.proj-desc { color: var(--text-dim); margin-top: 16px; font-size: 16px; max-width: 62ch; }
.proj-metrics { display: flex; gap: 26px; margin-top: 24px; }
.proj-metrics .m b { font-family: var(--f-display); font-size: 24px; font-weight: 600; display: block; color: var(--text); }
.proj-metrics .m b em { font-style: normal; color: var(--accent); }
.proj-metrics .m span { font-family: var(--f-mono); font-size: 10.5px; color: var(--text-faint); letter-spacing: .04em; }
.proj-stack { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 26px; }
.proj-foot { margin-top: 26px; display: flex; align-items: center; gap: 16px; }
.proj-link { font-family: var(--f-mono); font-size: 13px; color: var(--text); display: inline-flex; align-items: center; gap: 8px; transition: gap .25s, color .25s; }
.proj-link:hover { gap: 12px; color: var(--accent-ink); }
.proj-link svg { width: 15px; height: 15px; }

/* project "screenshot" placeholder */
/* project preview removed — info-only cards */
.proj-shot { display: none !important; }
.proj-shot-disabled { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--bg-2), var(--bg-1)); border-left: 1px solid var(--line); }
.proj.rev .proj-shot { border-left: none; border-right: 1px solid var(--line); }
@media (max-width: 860px) { .proj-shot { border: none; border-top: 1px solid var(--line); min-height: 240px; } }
.proj-shot .ph {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, color-mix(in oklab, var(--accent) 7%, transparent) 0 2px, transparent 2px 11px);
}
.proj-shot .ph-label { position: absolute; left: 18px; bottom: 16px; font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); background: color-mix(in oklab, var(--bg) 60%, transparent); padding: 5px 9px; border-radius: 7px; border: 1px solid var(--line); }
.proj-shot .browser { position: absolute; inset: 26px 26px auto 26px; border-radius: 12px; border: 1px solid var(--line-strong); overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.5); transition: transform .6s cubic-bezier(.2,.7,.2,1); will-change: transform; }
.proj:hover .browser { transform: translateY(-6px); }
.browser-bar { height: 30px; display: flex; align-items: center; gap: 6px; padding: 0 12px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.browser-bar i { width: 8px; height: 8px; border-radius: 50%; background: #2a3550; }
.browser-bar .url { margin-left: 10px; font-family: var(--f-mono); font-size: 10px; color: var(--text-faint); }
.browser-screen { aspect-ratio: 16/10; background: linear-gradient(160deg, var(--bg-1), #0a1120); position: relative; padding: 16px; display: grid; gap: 9px; align-content: start; }
.sk { height: 9px; border-radius: 4px; background: color-mix(in oklab, var(--accent) 16%, #16203a); }
.sk.w1 { width: 40%; height: 16px; background: color-mix(in oklab, var(--accent) 30%, #16203a); }
.sk.w2 { width: 78%; } .sk.w3 { width: 60%; } .sk.w4 { width: 88%; }
.browser-screen .glowline { position:absolute; left:0; right:0; bottom:0; height:40%; background: radial-gradient(120% 80% at 50% 120%, color-mix(in oklab, var(--accent) calc(40%*var(--neon)), transparent), transparent 70%); }

/* CARD VARIANT: terminal */
:root[data-cards="terminal"] .proj { background: var(--bg-1); }
:root[data-cards="terminal"] .proj-shot { background: #070b15; }
:root[data-cards="terminal"] .proj-kind { background: color-mix(in oklab, var(--accent) 12%, transparent); }
:root[data-cards="terminal"] .proj-info { font-family: var(--f-mono); }
:root[data-cards="terminal"] .proj-info h3 { font-family: var(--f-mono); letter-spacing: -0.01em; }
:root[data-cards="terminal"] .proj-info h3::before { content: "› "; color: var(--accent); }

/* CARD VARIANT: minimal list */
:root[data-cards="minimal"] .projects-rail { gap: 0; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
:root[data-cards="minimal"] .proj { grid-template-columns: 1fr; min-height: 0; border: none; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 8px 0; }
:root[data-cards="minimal"] .proj.rev { grid-template-columns: 1fr; }
:root[data-cards="minimal"] .proj-shot { display: none; }
:root[data-cards="minimal"] .proj:hover { box-shadow: none; transform: none; background: color-mix(in oklab, var(--accent) calc(6%*var(--neon)), transparent); border-color: var(--line); }
:root[data-cards="minimal"] .proj-info { padding: clamp(26px,3vw,40px) clamp(16px,2vw,28px); display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; }
:root[data-cards="minimal"] .proj-top { display: contents; }
:root[data-cards="minimal"] .proj-info h3 { margin: 0; }
:root[data-cards="minimal"] .proj-desc, :root[data-cards="minimal"] .proj-metrics { display: none; }
:root[data-cards="minimal"] .proj-role { margin: 6px 0 0; }
:root[data-cards="minimal"] .proj-stack { margin: 0; max-width: 360px; }
:root[data-cards="minimal"] .proj-foot { margin: 0; }
:root[data-cards="minimal"] .proj-kind { display: none; }
@media (max-width: 860px) { :root[data-cards="minimal"] .proj-info { grid-template-columns: 1fr; gap: 12px; } :root[data-cards="minimal"] .proj-stack { display: none; } }

/* ============================================================
   EXPERIENCE — timeline
   ============================================================ */
.timeline { position: relative; margin-top: 20px; padding-left: 0; }
.tl-line { position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: linear-gradient(var(--line-strong), var(--line), transparent); }
.tl-line::before { content:""; position:absolute; left:0; top:0; width:1px; background: linear-gradient(var(--accent), var(--accent-2)); box-shadow: 0 0 calc(10px*var(--neon)) var(--glow-soft); height: var(--tl-progress, 0%); transition: height .2s linear; }
.tl-item { position: relative; padding: 0 0 clamp(38px, 5vw, 56px) 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-node { position: absolute; left: 0; top: 4px; width: 15px; height: 15px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line-strong); display: grid; place-items: center; transition: border-color .4s, box-shadow .4s; }
.tl-node::after { content:""; width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); transition: background .4s, box-shadow .4s; }
.tl-item.in .tl-node { border-color: var(--accent); }
.tl-item.in .tl-node::after { background: var(--accent); box-shadow: 0 0 calc(12px*var(--neon)) var(--glow-soft); }
.tl-head { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.tl-item h3 { font-size: clamp(20px, 2.4vw, 28px); }
.tl-when { font-family: var(--f-mono); font-size: 12px; color: var(--accent-ink); white-space: nowrap; }
.tl-org { font-family: var(--f-mono); font-size: 13px; color: var(--text-dim); margin-top: 8px; }
.tl-org b { color: var(--text); font-weight: 500; }
.tl-desc { color: var(--text-dim); margin-top: 14px; max-width: 64ch; font-size: 15.5px; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }

/* ============================================================
   SERVICES
   ============================================================ */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }
.svc { padding: 30px 28px; position: relative; overflow: hidden; transition: transform .4s, border-color .4s; min-height: 220px; display: flex; flex-direction: column; }
.svc:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.svc-num { font-family: var(--f-mono); font-size: 12px; color: var(--text-faint); }
.svc-ico { width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line-strong); display: grid; place-items: center; margin: 16px 0 20px; background: color-mix(in oklab, var(--accent) calc(10%*var(--neon)), transparent); box-shadow: inset 0 0 calc(20px*var(--neon)) color-mix(in oklab, var(--accent) calc(18%*var(--neon)), transparent); }
.svc-ico svg { width: 22px; height: 22px; stroke: var(--accent-ink); }
.svc h3 { font-size: 21px; letter-spacing: -0.02em; }
.svc p { color: var(--text-dim); margin-top: 12px; font-size: 15px; }
.svc .svc-tags { margin-top: auto; padding-top: 18px; font-family: var(--f-mono); font-size: 11.5px; color: var(--text-faint); }

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }
.post { padding: 26px; display: flex; flex-direction: column; min-height: 280px; transition: transform .4s, border-color .4s; position: relative; }
.post:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.post-meta { display: flex; align-items: center; gap: 12px; font-family: var(--f-mono); font-size: 11.5px; color: var(--text-faint); }
.post-tag { color: var(--accent-ink); border: 1px solid var(--line-strong); padding: 3px 9px; border-radius: 999px; }
.post h3 { font-size: 22px; margin-top: 20px; letter-spacing: -0.02em; line-height: 1.18; }
.post p { color: var(--text-dim); margin-top: 12px; font-size: 14.5px; }
.post .read { margin-top: auto; padding-top: 20px; font-family: var(--f-mono); font-size: 12.5px; color: var(--accent-ink); display: inline-flex; align-items: center; gap: 8px; }
.post .soon { position: absolute; top: 22px; right: 22px; font-family: var(--f-mono); font-size: 10px; color: var(--text-faint); letter-spacing: .1em; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { position: relative; overflow: hidden; }
.contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: clamp(20px, 3vw, 30px); overflow: hidden; border: 1px solid var(--line-strong); position: relative; }
@media (max-width: 860px) { .contact-card { grid-template-columns: 1fr; } }
.contact-card::before { content:""; position:absolute; inset:0; pointer-events:none; background: radial-gradient(600px 400px at 100% 0%, color-mix(in oklab, var(--accent) calc(20%*var(--neon)), transparent), transparent 60%); }
.contact-left { padding: clamp(34px, 4vw, 56px); background: color-mix(in oklab, var(--bg-1) 80%, transparent); border-right: 1px solid var(--line); position: relative; z-index: 1; }
@media (max-width: 860px) { .contact-left { border-right: none; border-bottom: 1px solid var(--line); } }
.contact-left h2 { font-size: clamp(30px, 4vw, 50px); letter-spacing: -0.03em; }
.contact-left .lede { color: var(--text-dim); margin-top: 18px; max-width: 40ch; font-size: 17px; }
.contact-channels { margin-top: 36px; display: grid; gap: 12px; }
.channel { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); transition: border-color .3s, transform .3s, background .3s; }
.channel:hover { border-color: var(--line-strong); transform: translateX(4px); background: color-mix(in oklab, var(--accent) calc(8%*var(--neon)), var(--panel)); }
.channel .ci2 { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--line); background: color-mix(in oklab, var(--bg-2) 60%, transparent); }
.channel .ci2 svg { width: 17px; height: 17px; stroke: var(--accent-ink); }
.channel .cl { font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); }
.channel .cv { font-size: 14.5px; color: var(--text); margin-top: 1px; }
.channel .arr { margin-left: auto; color: var(--text-faint); transition: transform .3s, color .3s; }
.channel:hover .arr { transform: translate(3px,-3px); color: var(--accent-ink); }

.contact-right { padding: clamp(34px, 4vw, 56px); position: relative; z-index: 1; }
.field { margin-bottom: 18px; }
.field label { font-family: var(--f-mono); font-size: 11.5px; color: var(--text-dim); letter-spacing: .04em; display: block; margin-bottom: 8px; }
.field label .req { color: var(--accent); }
.field input, .field textarea {
  width: 100%; background: color-mix(in oklab, var(--bg) 50%, transparent); border: 1px solid var(--line);
  border-radius: 11px; padding: 13px 15px; color: var(--text); font-family: var(--f-body); font-size: 15px;
  transition: border-color .25s, box-shadow .25s, background .25s; outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 22%, transparent), 0 0 calc(24px*var(--neon)) color-mix(in oklab, var(--accent) calc(24%*var(--neon)), transparent); background: color-mix(in oklab, var(--bg) 70%, transparent); }
.field.err input, .field.err textarea { border-color: #f87171; box-shadow: 0 0 0 3px color-mix(in oklab, #f87171 18%, transparent); }
.field .msg { font-family: var(--f-mono); font-size: 11px; color: #f87171; margin-top: 7px; min-height: 14px; display: none; }
.field.err .msg { display: block; }
.form-foot { display: flex; align-items: center; gap: 16px; margin-top: 6px; }
.form-note { font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); }
.form-ok { display: none; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: 13px; color: #7ee0a8; padding: 14px 16px; border: 1px solid color-mix(in oklab, #34d399 40%, transparent); border-radius: 11px; background: color-mix(in oklab, #34d399 10%, transparent); margin-bottom: 18px; }
.form-ok.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding-block: 56px 40px; margin-top: clamp(80px, 10vw, 140px); }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-big { font-family: var(--f-display); font-size: clamp(40px, 9vw, 130px); font-weight: 600; letter-spacing: -0.04em; line-height: .9; color: transparent; -webkit-text-stroke: 1px var(--line-strong); margin-top: 30px; }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-col h5 { font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bot { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.footer-bot span { font-family: var(--f-mono); font-size: 12px; color: var(--text-faint); }
.footer-bot .socials { display: flex; gap: 10px; }
.footer-bot .socials a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--text-dim); transition: border-color .3s, color .3s, transform .3s; }
.footer-bot .socials a:hover { border-color: var(--accent); color: var(--text); transform: translateY(-3px); box-shadow: 0 0 calc(20px*var(--neon)) var(--glow-soft); }
.footer-bot .socials svg { width: 17px; height: 17px; }

/* ---------- scroll progress bar ---------- */
.progress { position: fixed; top: 0; left: 0; height: 2px; z-index: 200; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 calc(12px*var(--neon)) var(--glow-soft); }

/* ---------- to-top ---------- */
.totop { position: fixed; right: 26px; bottom: 26px; z-index: 120; width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line-strong); background: color-mix(in oklab, var(--bg) 70%, transparent); backdrop-filter: blur(10px); display: grid; place-items: center; color: var(--text); cursor: pointer; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .3s, transform .3s, border-color .3s; }
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { border-color: var(--accent); box-shadow: 0 0 calc(24px*var(--neon)) var(--glow-soft); }

/* mobile menu */
.mobile-menu { position: fixed; inset: 0; z-index: 99; background: color-mix(in oklab, var(--bg) 96%, transparent); backdrop-filter: blur(16px); display: flex; flex-direction: column; justify-content: center; padding: var(--gut); gap: 6px; opacity: 0; pointer-events: none; transition: opacity .35s; }
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a { font-family: var(--f-display); font-size: 34px; color: var(--text); padding: 8px 0; border-bottom: 1px solid var(--line); }
.mobile-menu a span { font-family: var(--f-mono); font-size: 13px; color: var(--text-faint); margin-right: 14px; }

/* ============================================================
   ANIMATED NEON BORDERS — a light travels around the card edge
   (the effect Amir referenced from the Next.js "Powered By" cards)
   ============================================================ */
@property --neon-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
:root { --neon-spin: 6.5s; }

/* baseline: a faint static edge so cards read as "lit" even at low neon */
.skill-cat, .svc, .post, .proj, .terminal, .contact-card { position: relative; isolation: isolate; }

:root[data-neon-border="on"] .skill-cat::after,
:root[data-neon-border="on"] .svc::after,
:root[data-neon-border="on"] .post::after,
:root[data-neon-border="on"] .proj::after,
:root[data-neon-border="on"] .terminal::after,
:root[data-neon-border="on"] .cine-card.active::after,
:root[data-neon-border="on"] .contact-card::after {
  content: "";
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 3;
  padding: 1.5px;
  background: conic-gradient(from var(--neon-angle),
    transparent 0deg,
    color-mix(in oklab, var(--accent-2) 88%, transparent) 22deg,
    var(--accent) 44deg,
    color-mix(in oklab, var(--accent) 35%, transparent) 72deg,
    transparent 120deg,
    transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: calc(0.22 + 0.5 * var(--neon));
  animation: neonSpin var(--neon-spin) linear infinite;
  transition: opacity .4s;
}
:root[data-neon-border="on"] .skill-cat:hover::after,
:root[data-neon-border="on"] .svc:hover::after,
:root[data-neon-border="on"] .post:hover::after,
:root[data-neon-border="on"] .proj:hover::after,
:root[data-neon-border="on"] .contact-card:hover::after {
  opacity: calc(0.55 + 0.45 * var(--neon));
}
@keyframes neonSpin { to { --neon-angle: 360deg; } }

/* minimal project list shouldn't have spinning frames */
:root[data-cards="minimal"] .proj::after { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  .skill-cat::after, .svc::after, .post::after, .proj::after,
  .terminal::after, .contact-card::after { animation: none !important; }
}

/* ============================================================
   CINEMATIC SCROLL — Services (section 05)
   Pinned stage; cards reveal one-by-one as you scroll.
   ============================================================ */
.section-cine { position: relative; }
.cine-track { position: relative; height: calc(var(--steps, 6) * 80vh + 100vh); }
.cine-stage {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  display: flex; align-items: center;
}
.cine-inner {
  display: grid; grid-template-columns: 0.82fr 1.1fr; gap: clamp(36px, 5vw, 72px);
  align-items: center; width: 100%;
}

.cine-aside { position: relative; }
.cine-title { font-size: clamp(30px, 3.7vw, 54px); margin-top: 16px; letter-spacing: -0.03em; }
.cine-lede { color: var(--text-dim); margin-top: 18px; max-width: 32ch; font-size: 17px; }
.cine-progress { margin-top: clamp(28px, 4vw, 44px); display: flex; align-items: center; gap: 20px; }
.cine-count { font-family: var(--f-mono); font-size: 12px; color: var(--text-faint); display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.cine-count b { font-family: var(--f-display); font-size: 32px; font-weight: 600; color: var(--text); }
.cine-ticks { display: flex; gap: 7px; flex: 1; }
.cine-tick { height: 3px; flex: 1; border-radius: 2px; background: var(--line-strong); transition: background .45s, box-shadow .45s; }
.cine-tick.on { background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 calc(10px * var(--neon)) var(--glow-soft); }

.cine-cards { position: relative; height: min(58vh, 460px); }
.cine-card {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(28px, 3.6vw, 52px);
  border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--panel); backdrop-filter: blur(14px);
  opacity: 0; transform: translateY(48px) scale(0.95);
  transition: opacity .5s ease, transform .7s cubic-bezier(.2,.7,.2,1);
  pointer-events: none;
}
.cine-card.active { opacity: 1; transform: none; pointer-events: auto; }
.cine-card.past { opacity: 0; transform: translateY(-42px) scale(0.97); }
.cine-card .cine-num { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; color: var(--accent-ink); }
.cine-card .svc-ico { width: 58px; height: 58px; margin: 22px 0 24px; border-radius: 14px; }
.cine-card .svc-ico svg { width: 27px; height: 27px; }
.cine-card h3 { font-size: clamp(28px, 3.4vw, 46px); letter-spacing: -0.03em; }
.cine-card p { color: var(--text-dim); margin-top: 16px; font-size: clamp(16px, 1.5vw, 20px); max-width: 46ch; line-height: 1.55; }
.cine-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: clamp(20px, 3vw, 30px); }

/* fallback: small screens or reduced motion → simple stacked list */
@media (max-width: 920px), (prefers-reduced-motion: reduce) {
  .cine-track { height: auto !important; }
  .cine-stage { position: static; height: auto; display: block; overflow: visible; padding-block: clamp(90px, 12vw, 168px); }
  .cine-inner { grid-template-columns: 1fr; gap: 30px; }
  .cine-cards { position: static; height: auto; display: grid; gap: 16px; }
  .cine-card { position: static; opacity: 1; transform: none; pointer-events: auto; }
  .cine-card.past { opacity: 1; transform: none; }
}