/* =========================================================
   Rami Ben Taieb · Portfolio — Stylesheet
   Theme: QA Lab / Specification Sheet
   ========================================================= */

* { box-sizing: border-box; }

:root {
  /* Palette */
  --bg:        #0B1220;     /* deeper than #0F172A for hero glow */
  --panel:     #0F172A;     /* surface 1 */
  --panel-2:   #131C2E;     /* surface 2 (alt sections) */
  --line:      rgba(148, 163, 184, 0.14);
  --line-2:    rgba(148, 163, 184, 0.08);

  --text:      #F8FAFC;     /* headings */
  --text-2:    #CBD5E1;     /* body emphasis */
  --muted:     #94A3B8;     /* body muted */
  --dim:       #64748B;     /* de-emphasised */

  --cyan:      #06B6D4;     /* primary */
  --cyan-2:    #22D3EE;     /* hover / gradient */
  --sky:       #0284C7;
  --violet:    #8B5CF6;
  --green:     #10B981;     /* pass */
  --amber:     #F59E0B;     /* warn */
  --red:       #EF4444;     /* fail */
  --pink:      #EC4899;

  /* Type */
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Layout */
  --container: 1180px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 30px 60px -30px rgba(0,0,0,.6);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-2);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(6,182,212,.08), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(139,92,246,.06), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--cyan); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--cyan-2); }

button { font: inherit; }

::selection { background: rgba(6, 182, 212, .35); color: #fff; }

/* ── Skip link ───────────────────────────── */
.skip-link {
  position: absolute; left: -9999px;
  background: var(--cyan); color: #001016;
  padding: .6rem .9rem; border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { left: 16px; top: 16px; z-index: 9999; }

/* ── Status bar (top) ────────────────────── */
.status-bar {
  background: linear-gradient(90deg, rgba(6,182,212,.06), transparent 30%, transparent 70%, rgba(139,92,246,.06));
  border-bottom: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--dim);
}
.status-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: .55rem 1.5rem;
  display: flex; gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}
.status-bar__cell { display: inline-flex; align-items: center; gap: .5rem; }

/* ── Container ───────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ──────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: 64px;
}

.brand {
  display: inline-flex; align-items: center; gap: .7rem;
  color: var(--text);
  font-family: var(--font-display);
}
.brand__mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(6,182,212,.18), rgba(8,145,178,.08));
  border: 1px solid rgba(6,182,212,.35);
  color: var(--cyan);
}
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-weight: 600; font-size: 15px; letter-spacing: -.01em; }
.brand__sub  { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; margin-top: 3px; }

.nav__links { display: flex; gap: .25rem; align-items: center; }
.nav__links a {
  position: relative;
  color: var(--text-2);
  padding: .55rem .85rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  transition: color .2s, background .2s;
}
.nav__links a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav__links a.is-active { color: var(--cyan); }
.nav__links a.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-2)); border-radius: 2px;
}

.nav__actions { display: flex; gap: .75rem; align-items: center; }

.nav__toggle {
  display: none;
  background: transparent; border: 1px solid var(--line);
  width: 40px; height: 40px; border-radius: 10px;
  cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav__toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 1px; transition: transform .2s, opacity .2s; }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav__drawer {
  display: none;
  flex-direction: column;
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--line-2);
  background: rgba(11,18,32,.85);
}
.nav__drawer a {
  padding: .85rem .25rem;
  color: var(--text);
  border-bottom: 1px solid var(--line-2);
}
.nav__drawer a:last-child { border-bottom: none; }
.nav__drawer-cta { margin-top: .75rem; text-align: center; }

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .75rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s, border-color .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(180deg, var(--cyan-2), var(--cyan));
  color: #001016;
  box-shadow: 0 8px 24px -10px rgba(6,182,212,.55), 0 0 0 1px rgba(34,211,238,.4) inset;
}
.btn--primary:hover { color: #001016; box-shadow: 0 12px 28px -10px rgba(6,182,212,.65), 0 0 0 1px rgba(34,211,238,.55) inset; }

.btn--ghost {
  background: rgba(255,255,255,.03);
  color: var(--text);
  border-color: var(--line);
}
.btn--ghost:hover { background: rgba(255,255,255,.06); border-color: rgba(6,182,212,.4); color: var(--text); }

/* ── Dots / chips / status ───────────────── */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot--ok     { background: var(--green); box-shadow: 0 0 0 4px rgba(16,185,129,.12); }
.dot--cyan   { background: var(--cyan); box-shadow: 0 0 0 4px rgba(6,182,212,.12); }
.dot--violet { background: var(--violet); box-shadow: 0 0 0 4px rgba(139,92,246,.12); }
.dot--green  { background: var(--green); box-shadow: 0 0 0 4px rgba(16,185,129,.12); }
.dot--amber  { background: var(--amber); box-shadow: 0 0 0 4px rgba(245,158,11,.12); }
.dot--pink   { background: var(--pink); box-shadow: 0 0 0 4px rgba(236,72,153,.12); }

@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .55 } }
.dot--ok { animation: pulse 2.4s ease-in-out infinite; }

.chip {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.chip--cyan { color: var(--cyan); border-color: rgba(6,182,212,.4); background: rgba(6,182,212,.06); }
.chip--violet { color: var(--violet); border-color: rgba(139,92,246,.4); background: rgba(139,92,246,.06); }
.chip--green { color: var(--green); border-color: rgba(16,185,129,.4); background: rgba(16,185,129,.06); }
.chip--amber { color: var(--amber); border-color: rgba(245,158,11,.4); background: rgba(245,158,11,.06); }
.chip--pink  { color: var(--pink);  border-color: rgba(236,72,153,.4); background: rgba(236,72,153,.06); }

/* ── Section scaffolding ─────────────────── */
.section { padding: 6rem 0; position: relative; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(15,23,42,.5) 30%, rgba(15,23,42,.5) 70%, transparent); }

.section__head {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: 3rem; flex-wrap: wrap;
}
.section__head--left { margin-bottom: 1.75rem; }
.section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  padding: .25rem .55rem;
  border: 1px solid rgba(6,182,212,.35);
  border-radius: 6px;
  background: rgba(6,182,212,.06);
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--text);
  letter-spacing: -.02em;
  margin: 0;
}
.section__kicker {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}

/* ── Hero ────────────────────────────────── */
.hero {
  position: relative;
  padding: 5rem 0 7rem;
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(148,163,184,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}
.hero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(6,182,212,.18), transparent 70%),
    radial-gradient(500px 280px at 10% 80%, rgba(139,92,246,.12), transparent 70%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3.5rem;
  align-items: center;
  position: relative; z-index: 1;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.eyebrow__tag {
  padding: .25rem .55rem; border-radius: 6px;
  background: rgba(6,182,212,.08);
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,.3);
}
.eyebrow__line { width: 30px; height: 1px; background: var(--line); display: inline-block; }
.eyebrow__status { display: inline-flex; align-items: center; gap: .5rem; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.85rem);
  line-height: 1.05;
  letter-spacing: -.025em;
  color: var(--text);
  margin: 0 0 1.25rem;
}
.grad {
  background: linear-gradient(120deg, var(--cyan-2), var(--cyan) 50%, #38BDF8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.hero__sub {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
  max-width: 56ch;
  margin: 0 0 2rem;
}

.hero__ctas { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

.hero__badges {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .75rem;
  max-width: 640px;
}
.badge {
  display: flex; gap: .65rem; align-items: center;
  padding: .85rem .9rem;
  background: rgba(15,23,42,.6);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: transform .2s, border-color .2s, background .2s;
}
.badge:hover { transform: translateY(-2px); border-color: rgba(6,182,212,.35); background: rgba(15,23,42,.9); }
.badge__icon { font-size: 1.25rem; }
.badge strong { display: block; color: var(--text); font-size: 13.5px; line-height: 1.2; }
.badge small { color: var(--muted); font-size: 11.5px; font-family: var(--font-mono); }

/* ── Terminal ────────────────────────────── */
.terminal {
  background: linear-gradient(180deg, rgba(15,23,42,.95), rgba(11,18,32,.95));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), 0 0 0 1px rgba(6,182,212,.06) inset;
  overflow: hidden;
  position: relative;
}
.terminal::before {
  content: "";
  position: absolute; inset: -1px;
  background: linear-gradient(140deg, rgba(6,182,212,.35), transparent 30%, transparent 70%, rgba(139,92,246,.25));
  border-radius: var(--radius-lg);
  z-index: -1;
  filter: blur(.5px);
}
.terminal__bar {
  display: flex; align-items: center; gap: .5rem;
  padding: .8rem 1rem;
  background: rgba(2,6,16,.6);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.terminal__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--c); }
.terminal__title { flex: 1; text-align: center; }
.terminal__time { font-variant-numeric: tabular-nums; color: var(--cyan); }

.terminal__body {
  padding: 1.1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
  min-height: 280px;
}
.terminal__line { display: flex; align-items: center; gap: .5rem; }
.terminal__line.muted { color: var(--dim); }
.terminal__line.muted em { font-style: normal; color: var(--text-2); }

.prompt { color: var(--cyan); }
.cmd { color: var(--text); }
.cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--cyan);
  animation: blink 1s steps(2) infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

.ok {
  color: var(--green);
  font-weight: 600;
  letter-spacing: .05em;
}
.dur { color: var(--dim); margin-left: auto; padding-left: 1rem; font-variant-numeric: tabular-nums; }

.summary {
  margin-top: .9rem; padding: .7rem .85rem;
  background: linear-gradient(90deg, rgba(16,185,129,.08), rgba(6,182,212,.06));
  border: 1px solid rgba(16,185,129,.25);
  border-radius: 10px;
  flex-direction: column;
  align-items: stretch;
  gap: .5rem;
}
.summary__bar {
  display: block; height: 6px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green) 0%, var(--cyan) 80%, rgba(6,182,212,.15) 100%);
  position: relative; overflow: hidden;
}
.summary__bar::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation: shine 2.4s linear infinite;
}
@keyframes shine { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.summary strong { color: var(--text); }

.terminal__metrics {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px;
  background: var(--line-2);
  border-top: 1px solid var(--line);
}
.metric {
  padding: .85rem 1rem;
  background: rgba(11,18,32,.6);
  display: flex; flex-direction: column; gap: .15rem;
}
.metric__num {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -.02em;
}
.metric__lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ── Scroll cue ──────────────────────────── */
.scroll-cue {
  position: absolute; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1px solid rgba(148,163,184,.3);
  border-radius: 999px;
  display: grid; place-items: center;
}
.scroll-cue span {
  width: 3px; height: 8px; border-radius: 2px; background: var(--cyan);
  animation: scroll 1.6s ease-in-out infinite;
}
@keyframes scroll {
  0% { transform: translateY(-8px); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ── About ───────────────────────────────── */
.about__grid {
  display: grid; grid-template-columns: 320px 1fr; gap: 3rem; align-items: start;
}
.about__photo {
  position: relative; margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  isolation: isolate;
}
.about__photo img {
  width: 100%; height: auto;
  filter: contrast(1.02) saturate(.95);
}
.about__photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11,18,32,.9) 100%);
}
.about__photo figcaption {
  position: absolute; left: 1rem; bottom: 1rem; right: 1rem;
  display: flex; align-items: end; justify-content: space-between;
  color: var(--text);
  z-index: 1;
}
.about__photo figcaption span { font-weight: 600; }
.about__photo figcaption small { color: var(--muted); font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.about__photo-corner {
  position: absolute; top: .75rem; right: .75rem; z-index: 1;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em;
  color: var(--cyan);
  padding: .3rem .5rem;
  border-radius: 6px;
  background: rgba(6,182,212,.1);
  border: 1px solid rgba(6,182,212,.4);
}

.about__copy .lead { font-size: 1.05rem; color: var(--text); margin-top: 0; }
.hl { color: var(--cyan); font-weight: 500; }

.about__facts {
  margin: 1.5rem 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .65rem;
}
.about__facts > div {
  padding: .85rem 1rem;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(15,23,42,.5);
  display: flex; flex-direction: column; gap: .2rem;
}
.about__facts span { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; color: var(--dim); text-transform: uppercase; }
.about__facts strong { color: var(--text); font-weight: 500; }

.about__cta { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ── Timeline ────────────────────────────── */
.timeline {
  list-style: none; padding: 0; margin: 0;
  position: relative;
}
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(6,182,212,.1));
}
.timeline__item {
  position: relative;
  padding-left: 38px;
  padding-bottom: 2rem;
}
.timeline__node {
  position: absolute; left: 0; top: 14px;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  background: var(--bg);
  border-radius: 50%;
}
.timeline__node .dot { width: 10px; height: 10px; }

.timeline__card {
  padding: 1.4rem 1.5rem;
  background: rgba(15,23,42,.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .2s, border-color .2s, background .2s;
}
.timeline__card:hover { transform: translateX(2px); border-color: rgba(6,182,212,.35); background: rgba(15,23,42,.85); }
.timeline__card header { display: flex; flex-wrap: wrap; gap: .75rem; align-items: baseline; justify-content: space-between; }
.timeline__card h3 { margin: 0 0 .25rem; font-family: var(--font-display); font-weight: 600; color: var(--text); font-size: 1.1rem; }
.timeline__card h3 a { color: var(--cyan); }
.timeline__card h3 .dim { color: var(--dim); margin: 0 .25rem; }
.timeline__date { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
.timeline__location { font-family: var(--font-mono); font-size: 12px; color: var(--dim); white-space: nowrap; }
.timeline__meta{ display: flex; gap: .5rem; align-items: center; justify-content: space-between; margin-top: .75rem; }

.timeline__card ul { margin: .75rem 0 1rem; padding-left: 1.1rem; color: var(--text-2); }
.timeline__card ul li { margin-bottom: .4rem; }
.timeline__card ul strong { color: var(--text); font-weight: 600; }

/* ── Tags ───────────────────────────────── */
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .04em;
  padding: .3rem .55rem;
  border-radius: 6px;
  background: rgba(6,182,212,.06);
  color: var(--cyan-2);
  border: 1px solid rgba(6,182,212,.18);
  transition: background .15s, color .15s, transform .15s;
}
.tag:hover { background: rgba(6,182,212,.15); color: #fff; transform: translateY(-1px); }

/* ── Certifications ─────────────────────── */
.certs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}
.cert {
  display: flex; gap: 1rem;
  padding: 1.25rem;
  background: rgba(15,23,42,.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s, border-color .25s, background .25s, box-shadow .25s;
  position: relative; overflow: hidden;
}
.cert::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(6,182,212,.08) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .8s ease;
  pointer-events: none;
}
.cert:hover { transform: translateY(-3px); border-color: rgba(6,182,212,.4); box-shadow: 0 18px 40px -20px rgba(6,182,212,.4); }
.cert:hover::after { transform: translateX(100%); }
.cert__badge {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 12px;
  display: grid; place-items: center;
  background:
    linear-gradient(135deg, rgba(255,255,255,.04), rgba(255,255,255,.0)),
    linear-gradient(135deg, var(--c1), var(--c2));
  color: #001016;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 6px 16px -6px var(--c1);
}
.cert__body h3 { margin: 0 0 .35rem; font-family: var(--font-display); font-size: 1rem; color: var(--text); font-weight: 600; line-height: 1.35; }
.cert__body p { margin: 0 0 .75rem; color: var(--muted); font-size: 13.5px; line-height: 1.55; }
.cert__meta { display: flex; gap: .5rem; align-items: center; justify-content: space-between; }
.cert__meta > span:not(.chip) { font-family: var(--font-mono); color: var(--dim); font-size: 12px; }

/* ── Filters / Projects ─────────────────── */
.filters {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--line);
}
.filter {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: .55rem .9rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all .2s;
  display: inline-flex; align-items: center; gap: .4rem;
}
.filter small { color: var(--dim); }
.filter:hover { color: var(--text); border-color: rgba(6,182,212,.35); }
.filter.is-active {
  background: linear-gradient(180deg, rgba(6,182,212,.18), rgba(6,182,212,.08));
  color: var(--cyan-2);
  border-color: rgba(6,182,212,.45);
  box-shadow: 0 4px 14px -6px rgba(6,182,212,.5);
}

.projects {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.25rem;
}
.project {
  position: relative;
  padding: 1.5rem;
  background: rgba(15,23,42,.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s, border-color .25s, background .25s, box-shadow .25s, opacity .25s;
}
.project:hover { transform: translateY(-4px); border-color: rgba(6,182,212,.4); background: rgba(15,23,42,.85); box-shadow: 0 18px 40px -22px rgba(6,182,212,.5); }
.project.is-hidden { display: none; }

.project__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .9rem;
  font-family: var(--font-mono);
  font-size: 11px;
}
.project__id { color: var(--dim); letter-spacing: .12em; }
.project__status { display: inline-flex; align-items: center; gap: .4rem; color: var(--green); letter-spacing: .1em; }

.project h3 { margin: 0 0 .65rem; font-family: var(--font-display); color: var(--text); font-size: 1.15rem; font-weight: 600; letter-spacing: -.01em; }
.project p { margin: 0 0 1rem; color: var(--muted); font-size: 14px; line-height: 1.6; }

.project__links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.link {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem .8rem;
  border-radius: 8px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: background .2s, border-color .2s, color .2s, transform .15s;
}
.link:hover { background: rgba(6,182,212,.1); border-color: rgba(6,182,212,.45); color: var(--cyan-2); transform: translateY(-1px); }
.link--repo { background: rgba(6,182,212,.08); border-color: rgba(6,182,212,.3); color: var(--cyan-2); }

.copy {
  position: absolute; top: 1.25rem; right: 1.25rem;
  background: transparent; border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono); font-size: 11px;
  padding: .35rem .55rem;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: .35rem;
  opacity: 0;
  transition: all .2s;
}
.project:hover .copy { opacity: 1; }
.copy:hover { color: var(--cyan-2); border-color: rgba(6,182,212,.4); background: rgba(6,182,212,.08); }
.copy.is-copied { color: var(--green); border-color: rgba(16,185,129,.4); background: rgba(16,185,129,.08); }

/* ── Skills ──────────────────────────────── */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.skills__group {
  padding: 1.25rem 1.35rem;
  background: rgba(15,23,42,.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s;
}
.skills__group:hover { border-color: rgba(6,182,212,.3); }
.skills__group h3 { margin: 0 0 1rem; font-family: var(--font-display); font-size: 1rem; color: var(--text); display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; }

.pills { display: flex; flex-wrap: wrap; gap: .4rem; }
.pill {
  display: inline-block;
  padding: .4rem .75rem;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: 12.5px;
  cursor: default;
  transition: all .2s;
}
.pill:hover { color: var(--cyan-2); background: rgba(6,182,212,.1); border-color: rgba(6,182,212,.4); transform: translateY(-1px); }

/* ── Education & Languages ───────────────── */
.edu__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }

.edu { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.edu__item {
  display: grid; grid-template-columns: 80px 1fr; gap: 1rem;
  padding: 1.2rem 1.35rem;
  background: rgba(15,23,42,.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: center;
}
.edu__date {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 600;
  color: var(--cyan);
  letter-spacing: -.02em;
}
.edu__item h3 { margin: 0 0 .25rem; color: var(--text); font-size: 1rem; font-weight: 600; font-family: var(--font-display); }
.edu__item p { margin: 0; color: var(--muted); font-size: 13.5px; }

.langs { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.lang {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 1rem; align-items: center;
  padding: .85rem 1.2rem;
  background: rgba(15,23,42,.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.lang > span { color: var(--text); font-weight: 500; font-size: 14px; }
.lang small { font-family: var(--font-mono); font-size: 11px; color: var(--dim); letter-spacing: .08em; text-transform: uppercase; }
.bar { background: rgba(148,163,184,.1); height: 6px; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--p); background: linear-gradient(90deg, var(--cyan), var(--cyan-2)); border-radius: 999px; }

/* ── Contact ─────────────────────────────── */
.contact {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 2.5rem;
}
.contact__info ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .85rem; }
.contact__info li {
  padding: 1rem 1.15rem;
  background: rgba(15,23,42,.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: .25rem;
}
.contact__val { color: var(--text); font-weight: 500; }
.contact__val:hover { color: var(--cyan-2); }
.contact__cta { margin-top: 1.25rem; }

.form {
  display: grid; gap: 1rem;
  padding: 1.75rem;
  background: rgba(15,23,42,.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field span { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea {
  font: inherit;
  width: 100%;
  background: rgba(11,18,32,.85);
  border: 1px solid var(--line);
  color: var(--text);
  padding: .75rem .9rem;
  border-radius: 10px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: rgba(6,182,212,.5);
  box-shadow: 0 0 0 3px rgba(6,182,212,.15);
  background: rgba(11,18,32,1);
}
.field.has-error input, .field.has-error textarea { border-color: rgba(239,68,68,.55); box-shadow: 0 0 0 3px rgba(239,68,68,.12); }
.error { color: var(--red); font-size: 12px; min-height: 1em; font-family: var(--font-mono); }

.form__submit { margin-top: .25rem; justify-self: start; }
.form__status { margin: 0; min-height: 1.25em; color: var(--green); font-family: var(--font-mono); font-size: 13px; }
.form__status.is-error { color: var(--red); }

/* ── Footer ──────────────────────────────── */
.footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: rgba(11,18,32,.7);
}
.footer__inner {
  padding: 2rem 1.5rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  align-items: center;
}
.footer__inner strong { display: block; color: var(--text); font-family: var(--font-display); }
.footer__inner small { color: var(--muted); font-family: var(--font-mono); font-size: 12px; }
.footer__meta { display: flex; flex-direction: column; align-items: end; gap: .15rem; color: var(--dim); font-size: 12.5px; }

/* ── Reveal animation ───────────────────────────── */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ──────────────────────────── */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; }
  .about__photo { max-width: 280px; }
  .edu__grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__drawer.is-open { display: flex; }
  .nav__actions .btn--ghost { display: none; }

  .section { padding: 4.5rem 0; }
  .hero { padding: 3rem 0 5rem; }
  .hero__badges { grid-template-columns: 1fr; }
  .terminal__metrics { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr; }
  .footer__meta { align-items: start; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .about__facts { grid-template-columns: 1fr; }
  .lang { grid-template-columns: 1fr; gap: .35rem; }
  .lang small { justify-self: start; }
  .cert__meta { flex-wrap: wrap; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .dot--ok { animation: none; }
  .cursor { animation: none; }
}