/* =========================================================
   Profil Diri — Portofolio Digital
   Design system: "INK & BRASS"
   Diadaptasi dari referensi visual UI UX 2026:
   · navy ink pekat     (#0F1F29 / #162A36)
   · emas brass         (#C8A24A / #E8CB85)
   · glow aqua 2026     (#7FE3F0)
   · tipografi sans tebal, kontras tinggi
   · ritme seksi: gelap -> terang -> gelap -> terang
   ========================================================= */

/* =========================================================
   1) DESIGN TOKENS
   ========================================================= */
:root {
  color-scheme: light;

  /* --- Palet inti (dari referensi) --- */
  --ink:        #0f1f29;
  --ink-2:      #162a36;
  --ink-3:      #1e3744;
  --ink-line:   rgba(255, 255, 255, .11);
  --ink-line-2: rgba(255, 255, 255, .22);
  --ink-text:   #eff4f7;
  --ink-soft:   rgba(239, 244, 247, .66);

  --gold:       #c8a24a;
  --gold-2:     #e8cb85;
  --gold-deep:  #96701a;

  --aqua:       #7fe3f0;
  --aqua-2:     #c9f4fa;
  --aqua-deep:  #1f6f7d;

  /* --- Aksen pada latar terang --- */
  --brand:      #96701a;
  --brand-2:    #1f6f7d;
  --brand-soft: #f8f0dd;

  /* --- Permukaan --- */
  --bg:         #ffffff;
  --bg-alt:     #f6f3ee;
  --surface:    #ffffff;
  --surface-2:  #fbfaf7;
  --border:     #e8e3d9;
  --border-2:   #d8d1c2;
  --text:       #14232c;
  --text-soft:  #5c6a74;

  /* --- Gradien & cahaya --- */
  --grad-gold:   linear-gradient(135deg, #f0dcab, var(--gold) 52%, var(--gold-deep));
  --grad-aurora: linear-gradient(120deg, var(--gold-2), var(--aqua));
  --glow-gold:   rgba(200, 162, 74, .30);
  --glow-aqua:   rgba(127, 227, 240, .34);

  /* --- Bayangan --- */
  --shadow-sm: 0 1px 2px rgba(16, 32, 44, .05), 0 1px 3px rgba(16, 32, 44, .04);
  --shadow-md: 0 14px 34px -16px rgba(16, 32, 44, .22);
  --shadow-lg: 0 34px 80px -34px rgba(16, 32, 44, .38);

  /* --- Bentuk & ritme --- */
  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --maxw:      1140px;
  --nav-h:     70px;
  --ease:      cubic-bezier(.4, 0, .2, 1);
  --ease-out:  cubic-bezier(.16, 1, .3, 1);

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, monospace;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg:         #09121a;
  --bg-alt:     #0f1b24;
  --surface:    #121e28;
  --surface-2:  #16242f;
  --border:     rgba(255, 255, 255, .09);
  --border-2:   rgba(255, 255, 255, .18);
  --text:       #e9f1f5;
  --text-soft:  #9aa9b4;

  /* Di tema gelap, area "ink" tampil sebagai panel yang sedikit terangkat */
  --ink:        #16242e;
  --ink-2:      #1b2d39;
  --ink-3:      #223a48;
  --ink-text:   #eff5f8;
  --ink-soft:   rgba(239, 245, 248, .58);

  --brand:      #e8cb85;
  --brand-2:    #7fe3f0;
  --brand-soft: rgba(232, 203, 133, .13);

  --glow-gold: rgba(232, 203, 133, .20);
  --glow-aqua: rgba(127, 227, 240, .22);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
  --shadow-md: 0 14px 34px -16px rgba(0, 0, 0, .7);
  --shadow-lg: 0 34px 80px -34px rgba(0, 0, 0, .85);
}

/* ---------------------------------------------------------
   Konteks "di atas permukaan ink".
   Semua komponen di dalamnya otomatis memakai varian gelap.
   --------------------------------------------------------- */
.nav,
.hero,
.footer,
.section--ink,
.on-ink {
  --surface:    var(--ink-2);
  --surface-2:  var(--ink-3);
  --bg:         var(--ink);
  --bg-alt:     var(--ink-2);
  --border:     var(--ink-line);
  --border-2:   var(--ink-line-2);
  --text:       var(--ink-text);
  --text-soft:  var(--ink-soft);
  --brand:      var(--gold-2);
  --brand-2:    var(--aqua);
  --brand-soft: rgba(232, 203, 133, .14);
  color: var(--text);
}

/* =========================================================
   2) RESET & DASAR
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .35s var(--ease), color .35s var(--ease);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { letter-spacing: -.03em; line-height: 1.15; font-weight: 800; }

.icon {
  width: 1.05em; height: 1.05em;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex: 0 0 auto;
}

.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 300;
  background: var(--gold); color: #101d26; font-weight: 700;
  padding: .65rem 1.1rem; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 8px; }

/* Label kecil bergaya mono — sentuhan editorial 2026 */
.kicker,
.about__subhead,
.about__facts-title,
.card__cat,
.pub-card__type,
.timeline__date,
.edu-item__date,
.training-card__year,
.eyebrow {
  font-family: var(--mono);
}

/* =========================================================
   3) TOMBOL
   ========================================================= */
.btn {
  --pad-y: .74rem; --pad-x: 1.35rem;
  display: inline-flex; align-items: center; gap: .5rem;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px; font-weight: 700; font-size: .93rem;
  border: 1px solid transparent; cursor: pointer;
  letter-spacing: -.01em;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease),
              background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(0) scale(.985); }
.btn--sm { --pad-y: .5rem; --pad-x: 1rem; font-size: .84rem; }

.btn--primary {
  background: var(--grad-gold);
  color: #1a1204;
  box-shadow: 0 10px 26px -10px rgba(200, 162, 74, .75);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -12px rgba(200, 162, 74, .85);
}
.btn--outline {
  border-color: var(--border-2);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  backdrop-filter: blur(8px);
}
.btn--outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn--ghost { border-color: var(--border); background: transparent; color: var(--text-soft); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

.icon-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 60%, transparent);
  cursor: pointer; color: var(--brand);
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .3s var(--ease-out);
}
.icon-btn:hover { border-color: var(--brand); transform: rotate(-12deg); }
.icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* =========================================================
   4) NAVBAR — selalu ink, kaca, aksen emas
   ========================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--ink) 94%, transparent);
  border-bottom-color: var(--ink-line);
}

.nav__inner { display: flex; align-items: center; gap: 1rem; height: var(--nav-h); }

.nav__brand { display: flex; align-items: center; gap: .65rem; font-weight: 800; letter-spacing: -.02em; }
.nav__brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px;
  background: var(--grad-gold); color: #1a1204;
  font-size: .8rem; font-weight: 800; letter-spacing: .02em;
  box-shadow: 0 6px 16px -6px var(--glow-gold);
}
.nav__brand-text { color: var(--ink-text); }

.nav__links {
  display: flex; gap: .15rem; margin-inline: auto;
  font-size: .875rem; font-weight: 600;
  padding: .3rem; border-radius: 999px;
  border: 1px solid var(--ink-line);
  background: rgba(255, 255, 255, .035);
}
.nav__links a {
  color: var(--ink-soft); position: relative;
  padding: .45rem .8rem; border-radius: 999px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__links a:hover { color: var(--ink-text); background: rgba(255, 255, 255, .06); }
.nav__links a.is-active {
  color: #1a1204;
  background: var(--grad-gold);
  box-shadow: 0 6px 16px -8px var(--glow-gold);
}

.nav__actions { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.nav__burger {
  display: none; width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--ink-line); background: transparent;
  flex-direction: column; justify-content: center; align-items: center; gap: 4px; cursor: pointer;
}
.nav__burger span { width: 18px; height: 2px; background: var(--ink-text); border-radius: 2px; transition: .25s var(--ease); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =========================================================
   5) HERO — band ink penuh dengan glow emas + aqua
   ========================================================= */
.hero {
  position: relative; isolation: isolate;
  padding: calc(var(--nav-h) + 5.5rem) 0 0;
  background: var(--ink);
  overflow: hidden;
  color: var(--ink-text);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 55% at 8% 0%,   var(--glow-gold), transparent 62%),
    radial-gradient(52% 50% at 96% 18%, var(--glow-aqua), transparent 64%),
    radial-gradient(70% 60% at 50% 120%, rgba(127, 227, 240, .18), transparent 68%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 20%, transparent 78%);
  mask-image: radial-gradient(80% 70% at 50% 30%, #000 20%, transparent 78%);
}

.hero__inner {
  display: grid; grid-template-columns: 1.12fr .88fr; gap: 4rem; align-items: center;
  position: relative; padding-bottom: 3.5rem;
}

.hero__text { position: relative; z-index: 1; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  border: 1px solid var(--ink-line-2);
  background: rgba(255, 255, 255, .05);
  color: var(--gold-2);
  padding: .38rem .95rem; border-radius: 999px;
  font-size: .78rem; font-weight: 700; letter-spacing: .02em;
  margin-bottom: 1.4rem;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--aqua);
  box-shadow: 0 0 0 4px rgba(127, 227, 240, .18); animation: pulse 2.4s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

.hero__title {
  font-size: clamp(2.3rem, 6vw, 4.1rem);
  line-height: 1.02; letter-spacing: -.045em; font-weight: 800;
  color: #fff;
}
.hero__title .grad {
  display: inline-block;
  background: var(--grad-aurora);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__role {
  font-size: clamp(1.02rem, 2vw, 1.22rem); font-weight: 700;
  color: var(--gold-2); margin-top: .85rem; letter-spacing: -.015em;
}
.hero__lead { color: var(--ink-soft); max-width: 54ch; margin-top: 1.05rem; font-size: 1.01rem; }

.hero__meta { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 1.5rem; color: var(--ink-soft); font-size: .88rem; }
.hero__meta li { display: flex; align-items: center; gap: .45rem; }
.hero__meta .icon { color: var(--aqua); }

.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 2.1rem; }
.hero__link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .92rem; font-weight: 700; color: var(--ink-soft);
  padding: .4rem .3rem; border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.hero__link:hover { color: var(--gold-2); border-bottom-color: var(--gold); }
.hero__link .icon { transition: transform .25s var(--ease-out); }
.hero__link:hover .icon { transform: translateX(5px); }

.hero__stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem; margin-top: 3rem; padding-top: 1.9rem;
  border-top: 1px solid var(--ink-line);
}
.hero__stats > div { position: relative; padding-left: 1.1rem; }
.hero__stats > div + div::before {
  content: ""; position: absolute; left: -.75rem; top: .2rem; bottom: .2rem;
  width: 1px; background: var(--ink-line);
}
.hero__stats dt {
  font-size: clamp(1.6rem, 3.4vw, 2.15rem); font-weight: 800;
  letter-spacing: -.04em; color: #fff; line-height: 1;
}
.hero__stats dd { font-size: .82rem; color: var(--ink-soft); margin-top: .35rem; }

.hero__visual { position: relative; display: grid; place-items: center; min-height: 430px; }
.hero__blob {
  position: absolute; width: min(340px, 74%); aspect-ratio: 1;
  background: conic-gradient(from 0deg, var(--gold-2), var(--aqua), var(--gold), var(--gold-2));
  border-radius: 46% 54% 60% 40% / 44% 40% 60% 56%;
  opacity: .28; filter: blur(6px);
  animation: spin 22s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__avatar {
  position: relative; z-index: 2; margin: 0;
  width: min(272px, 64%); aspect-ratio: 1;
  padding: 5px; border-radius: 50%;
  background: var(--grad-gold);
  box-shadow: 0 0 0 1px rgba(255,255,255,.14),
              0 30px 70px -24px var(--glow-aqua),
              0 0 90px -10px var(--glow-gold);
}
.hero__avatar img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 50%; background: var(--ink-3);
}
.hero__avatar-fallback {
  width: 100%; height: 100%; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink-3); color: var(--gold-2);
  font-size: clamp(2.5rem, 8vw, 4rem); font-weight: 800; letter-spacing: .02em;
}
.hero__badge {
  position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: .42rem;
  background: var(--ink-2); border: 1px solid var(--ink-line-2);
  padding: .32rem .8rem; border-radius: 999px;
  font-size: .75rem; font-weight: 700; color: #fff;
  box-shadow: var(--shadow-md); white-space: nowrap;
}

/* Garis dekoratif penutup hero */
.hero__rule {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(90deg, transparent, var(--gold), var(--aqua), transparent);
  opacity: .55;
}

/* =========================================================
   6) SEKSI
   ========================================================= */
.section { padding: 6rem 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section--ink {
  background: var(--ink);
  color: var(--ink-text);
  position: relative; overflow: hidden;
}
.section--ink::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(45% 40% at 100% 0%, var(--glow-aqua), transparent 65%),
    radial-gradient(40% 40% at 0% 100%, var(--glow-gold), transparent 65%);
  opacity: .85;
}
.section--ink > .container { position: relative; z-index: 1; }

.section__head { max-width: 66ch; margin-bottom: 3rem; }

.kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand); margin-bottom: .85rem;
}
.section__head > .kicker::before,
.contact__intro > .kicker::before {
  content: ""; width: 26px; height: 1px; background: currentColor; opacity: .6;
}
.section__title { font-size: clamp(1.75rem, 3.8vw, 2.6rem); letter-spacing: -.04em; font-weight: 800; }
.section__sub { color: var(--text-soft); margin-top: .85rem; font-size: 1.02rem; }

.about__subhead {
  font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand); margin-bottom: .5rem;
}

/* =========================================================
   7) TENTANG SAYA
   ========================================================= */
.about { display: grid; grid-template-columns: 1.35fr .65fr; gap: 3.5rem; align-items: start; }
.about__text .section__title { margin-bottom: 1.4rem; }
.about__text p { color: var(--text-soft); margin-top: 1rem; max-width: 64ch; }
.about__text p strong { color: var(--text); font-weight: 700; }
.about__signoff {
  margin-top: 1.9rem; padding: .2rem 0 .2rem 1.15rem;
  border-left: 2px solid var(--gold);
  font-style: italic; font-weight: 600; color: var(--text) !important;
  font-size: 1.02rem;
}

.about__facts {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.6rem 1.7rem;
  box-shadow: var(--shadow-md);
  position: sticky; top: calc(var(--nav-h) + 22px);
}
.about__facts-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand); margin-bottom: .6rem;
}
.facts { display: grid; }
.fact { display: flex; gap: .85rem; padding: .9rem 0; border-bottom: 1px solid var(--border); }
.fact:last-child { border-bottom: none; padding-bottom: 0; }
.fact .icon { width: 1.05rem; height: 1.05rem; color: var(--brand); margin-top: .2rem; }
.fact div { display: grid; gap: .12rem; }
.fact__label { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-soft); }
.fact__value { font-size: .89rem; font-weight: 600; line-height: 1.5; }

/* =========================================================
   8) KARTU UMUM
   ========================================================= */
.core { margin-top: 3.5rem; }
.tools-extra { margin-top: 3.5rem; }
.interests { margin-top: 3.5rem; }
.philosophy { margin-top: 4rem; }

.interests-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 1.15rem; }

.interest, .principle, .skill-group, .edu-item, .training-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s var(--ease);
  position: relative; overflow: hidden;
}
.interest::after, .principle::after, .skill-group::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: var(--grad-aurora); opacity: 0;
  transition: opacity .3s var(--ease);
}
.interest:hover, .principle:hover, .skill-group:hover,
.edu-item:hover, .training-card:hover, .cert:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--gold) 55%, var(--border));
}
.interest:hover::after, .principle:hover::after, .skill-group:hover::after { opacity: 1; }

.interest { padding: 1.6rem 1.5rem; }
.interest__icon {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 1rem;
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
}
.interest__icon .icon { width: 1.3rem; height: 1.3rem; }
.interest h4 { font-size: 1.02rem; font-weight: 700; }
.interest p { font-size: .87rem; color: var(--text-soft); margin-top: .4rem; }

.philosophy__lead { color: var(--text-soft); margin: .2rem 0 1.6rem; }
.philosophy-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.15rem; }
.principle { padding: 1.6rem 1.45rem; }
.principle__no {
  display: block; font-size: 2.1rem; font-weight: 800; line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--gold) 70%, transparent);
  letter-spacing: -.03em;
}
.principle h4 { font-size: .98rem; font-weight: 700; margin: .75rem 0 .45rem; }
.principle p { font-size: .86rem; color: var(--text-soft); }

/* =========================================================
   9) KEAHLIAN
   ========================================================= */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(213px, 1fr)); gap: 1.15rem; margin-top: 1.2rem; }
.skill-group { padding: 1.5rem 1.5rem 1.6rem; }
.skill-group h3 { font-size: .97rem; margin-bottom: 1rem; letter-spacing: -.02em; }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.tags li {
  font-size: .78rem; font-weight: 600; padding: .32rem .72rem;
  border-radius: 999px; background: var(--brand-soft); color: var(--brand);
  border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent);
}

.bars { display: grid; gap: 1rem; margin-top: 2.5rem; }
.bar { display: grid; grid-template-columns: 155px 1fr; align-items: center; gap: 1.1rem; font-size: .87rem; }
.bar span { color: var(--text-soft); font-weight: 600; }
.bar i { position: relative; height: 6px; border-radius: 999px; background: var(--border); overflow: hidden; }
.bar i::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w);
  background: var(--grad-aurora);
  border-radius: 999px; transform-origin: left; animation: grow 1.2s var(--ease-out) both;
}
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* =========================================================
   10) FILTER
   ========================================================= */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.25rem; }
.filter {
  padding: .5rem 1.1rem; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface);
  font-size: .85rem; font-weight: 600; color: var(--text-soft);
  transition: all .22s var(--ease);
}
.filter:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
.filter.is-active { background: var(--text); color: var(--bg); border-color: var(--text); box-shadow: var(--shadow-sm); }
.section--ink .filter { background: rgba(255, 255, 255, .05); color: var(--ink-soft); }
.section--ink .filter:hover { color: var(--gold-2); border-color: var(--gold); }
.section--ink .filter.is-active { background: var(--grad-gold); color: #1a1204; border-color: transparent; }

/* =========================================================
   11) KARTU PROYEK
   ========================================================= */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.projects__empty { text-align: center; color: var(--text-soft); padding: 3rem 0; }

.card {
  --accent: var(--brand);
  position: relative; display: flex; flex-direction: column; text-align: left;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  cursor: pointer; padding: 0; font: inherit;
  transition: transform .34s var(--ease-out), box-shadow .34s var(--ease-out), border-color .34s var(--ease);
  animation: cardIn .5s var(--ease-out) both;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.card:hover, .card:focus-visible {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.card__media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 82%, #05121a),
    color-mix(in srgb, var(--accent) 40%, #0f1f29));
  display: grid; place-items: center;
}
.card__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 26% 20%, rgba(255,255,255,.30), transparent 52%),
    linear-gradient(to top, rgba(5,12,18,.35), transparent 60%);
}
.card__glyph {
  position: relative; z-index: 1;
  font-size: 2.2rem; font-weight: 800; color: #fff;
  letter-spacing: .06em; text-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.card__year {
  position: absolute; top: .85rem; right: .85rem; z-index: 2;
  background: rgba(9, 18, 26, .55); color: #fff; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  font-size: .7rem; font-weight: 700; padding: .24rem .62rem; border-radius: 999px;
}
.card__body { padding: 1.35rem 1.35rem 1.45rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.card__cat { font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.card__title { font-size: 1.09rem; font-weight: 800; letter-spacing: -.025em; }
.card__problem { font-size: .87rem; color: var(--text-soft); flex: 1; }

.card__foot {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  margin-top: .4rem; padding-top: .95rem; border-top: 1px solid var(--border);
}
.card__detail {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .82rem; font-weight: 700; color: var(--accent);
  background: none; border: none; cursor: pointer; padding: 0;
}
.card__detail .icon { transition: transform .25s var(--ease-out); }
.card__links { display: flex; gap: .45rem; }
.card__link {
  display: inline-flex; align-items: center; gap: .32rem;
  font-size: .75rem; font-weight: 600; color: var(--text-soft);
  padding: .3rem .65rem; border-radius: 999px; border: 1px solid var(--border);
  position: relative; z-index: 2;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.card__link:hover {
  color: var(--accent); border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.card__tags { display: flex; gap: .32rem; flex-wrap: wrap; }
.card__tags li {
  font-size: .69rem; font-weight: 600; color: var(--text-soft);
  border: 1px solid var(--border); padding: .14rem .52rem; border-radius: 999px; white-space: nowrap;
}
.card__tags li.more {
  color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); font-weight: 700;
}

/* =========================================================
   12) TIMELINE
   ========================================================= */
.timeline-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.25rem; }
.timeline-tabs .filter { display: inline-flex; align-items: center; gap: .45rem; }
.timeline-tabs .filter .icon { width: .95em; height: .95em; }

.timeline { position: relative; display: grid; gap: 2rem; padding-left: 2rem; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: .6rem; bottom: .6rem; width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--aqua));
  border-radius: 2px; opacity: .5;
}
.timeline__item { position: relative; }
.timeline__dot {
  position: absolute; left: -2rem; top: .55rem; width: 13px; height: 13px;
  border-radius: 50%; background: var(--bg); border: 3px solid var(--gold);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--gold) 14%, transparent);
}
.timeline__date {
  font-size: .74rem; font-weight: 700; letter-spacing: .12em; color: var(--brand); text-transform: uppercase;
}
.timeline__type {
  display: inline-block; margin-left: .5rem; padding: .08rem .55rem;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: .66rem; letter-spacing: .04em; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand); text-transform: none;
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent); vertical-align: middle;
}
.timeline__title { font-size: 1.08rem; font-weight: 800; margin-top: .35rem; }
.timeline__org { font-size: .88rem; color: var(--text-soft); font-weight: 600; }
.timeline__desc { color: var(--text-soft); font-size: .93rem; margin-top: .4rem; max-width: 68ch; }
.timeline__points { display: grid; gap: .45rem; margin-top: .7rem; max-width: 72ch; }
.timeline__points li { position: relative; padding-left: 1.3rem; font-size: .91rem; color: var(--text-soft); }
.timeline__points li::before {
  content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 2px;
  background: var(--grad-aurora);
}
.timeline__points strong { color: var(--text); font-weight: 700; }
.timeline__item.is-hidden { display: none; }

/* =========================================================
   13) PENDIDIKAN & SERTIFIKASI
   ========================================================= */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.75rem; }
.edu-col { min-width: 0; }
.edu-col__head {
  display: flex; align-items: center; gap: .6rem;
  font-size: .97rem; font-weight: 800; margin-bottom: 1.4rem;
  padding-bottom: .9rem; border-bottom: 1px solid var(--border);
}
.edu-col__head .icon { width: 1.1rem; height: 1.1rem; color: var(--brand); }

.edu-list { display: grid; gap: 1.05rem; }
.edu-item { padding: 1.35rem 1.45rem; }
.edu-item::before {
  content: ""; position: absolute; left: 0; top: 1.15rem; bottom: 1.15rem; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--grad-aurora);
}
.edu-item__date { font-size: .71rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.edu-item__title { font-size: 1.03rem; font-weight: 800; margin-top: .25rem; }
.edu-item__org { font-size: .87rem; color: var(--text-soft); font-weight: 600; }
.edu-item__note { font-size: .87rem; color: var(--text-soft); margin-top: .5rem; }

.cert-list { display: grid; gap: .8rem; }
.cert {
  display: flex; align-items: center; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .95rem 1.15rem; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s var(--ease);
}
.cert__icon {
  flex: 0 0 auto; display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--brand-soft); color: var(--brand);
  border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
  font-size: .63rem; font-weight: 800; letter-spacing: .03em;
}
.cert__body { flex: 1; min-width: 0; }
.cert__body h4 { font-size: .94rem; font-weight: 700; line-height: 1.4; }
.cert__body p { font-size: .79rem; color: var(--text-soft); }
.cert__link {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: .32rem;
  font-size: .77rem; font-weight: 700; color: var(--brand);
  padding: .32rem .7rem; border-radius: 999px; border: 1px solid var(--border);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.cert__link:hover { border-color: var(--brand); background: var(--brand-soft); }

.training { margin-top: 3rem; }
.training-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.training-card { padding: 1.2rem 1.25rem; }
.training-card__year { font-size: .7rem; font-weight: 700; letter-spacing: .1em; color: var(--brand); }
.training-card h4 { font-size: .92rem; font-weight: 700; line-height: 1.4; margin-top: .3rem; }
.training-card__org { font-size: .77rem; color: var(--text-soft); margin-top: .3rem; }
.training-card__note { font-size: .81rem; color: var(--text-soft); margin-top: .55rem; }

/* =========================================================
   14) PUBLIKASI (di dalam band ink)
   ========================================================= */
.pub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pub-card {
  --accent: var(--gold-2);
  display: flex; flex-direction: column;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .34s var(--ease-out), box-shadow .34s var(--ease-out), border-color .34s var(--ease);
  animation: cardIn .5s var(--ease-out) both;
  backdrop-filter: blur(6px);
}
.pub-card:hover {
  transform: translateY(-7px); box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}
.pub-card__media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden; display: grid; place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 28%, var(--ink-3)), var(--ink-3));
}
.pub-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pub-card__media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 28% 22%, rgba(255,255,255,.16), transparent 58%);
}
.pub-card__ph {
  position: relative; z-index: 1; color: var(--accent);
  font-family: var(--mono); font-weight: 700; font-size: .82rem;
  letter-spacing: .16em; text-transform: uppercase; text-align: center; padding: 0 1rem;
}
.pub-card__year {
  position: absolute; top: .85rem; right: .85rem; z-index: 2;
  background: rgba(9, 18, 26, .55); color: #fff; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.18);
  font-size: .7rem; font-weight: 700; padding: .24rem .62rem; border-radius: 999px;
}
.pub-card__body { padding: 1.3rem 1.35rem 1.45rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.pub-card__type { font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.pub-card__title { font-size: 1.05rem; font-weight: 800; line-height: 1.35; }
.pub-card__venue { font-size: .81rem; color: var(--text-soft); font-weight: 600; }
.pub-card__desc { font-size: .87rem; color: var(--text-soft); flex: 1; }
.pub-card__link {
  display: inline-flex; align-items: center; gap: .38rem; margin-top: .5rem;
  font-size: .82rem; font-weight: 700; color: var(--accent);
  transition: gap .25s var(--ease-out);
}
.pub-card__link:hover { gap: .6rem; }
.pub-card__link .icon { width: 1em; height: 1em; }

/* =========================================================
   15) TECHMATE
   ========================================================= */
.techmate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 1.5rem; }
.tm-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .34s var(--ease-out), box-shadow .34s var(--ease-out), border-color .34s var(--ease);
  animation: cardIn .5s var(--ease-out) both;
}
.tm-card:hover {
  transform: translateY(-7px); box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--gold) 55%, var(--border));
}
.tm-card__media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--ink-2), var(--aqua-deep));
}
.tm-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tm-card__media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 28% 22%, rgba(255,255,255,.24), transparent 55%);
}
.tm-card__ph {
  position: relative; z-index: 1; color: #fff; font-weight: 800; font-size: 1.05rem;
  letter-spacing: -.01em; text-align: center; padding: 0 1rem;
  text-shadow: 0 4px 18px rgba(0,0,0,.3);
}
.tm-card__body { padding: 1.3rem 1.35rem 1.45rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.tm-card__body h3 { font-size: 1.05rem; font-weight: 800; }
.tm-card__body p { font-size: .87rem; color: var(--text-soft); flex: 1; }
.tm-card .tags { margin-top: .4rem; }

.techmate__cta { margin-top: 2.75rem; }
.techmate__cta-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem;
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--ink-text);
  border: 1px solid var(--ink-line); border-radius: var(--radius-lg);
  padding: 1.6rem 1.9rem;
  box-shadow: var(--shadow-md);
}
.techmate__cta-inner::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(45% 120% at 0% 50%, rgba(200, 162, 74, .30), transparent 60%),
    radial-gradient(45% 120% at 100% 50%, rgba(127, 227, 240, .26), transparent 60%);
}
.techmate__cta-inner p { font-weight: 700; position: relative; color: #fff; }
.techmate__cta-inner .btn { position: relative; }
.techmate__cta-inner .icon { width: 1.1em; height: 1.1em; }

/* =========================================================
   16) KONTAK — kartu bercahaya emas + aqua (khas referensi)
   ========================================================= */
.section--contact { padding-bottom: 7rem; }
.contact {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 3rem; align-items: start;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 3.25rem 2.75rem;
  box-shadow: var(--shadow-lg);
}
.contact::before, .contact::after {
  content: ""; position: absolute; pointer-events: none; z-index: 0;
  width: 46%; aspect-ratio: 1; border-radius: 50%; filter: blur(60px);
}
.contact::before { left: -12%; bottom: -35%; background: var(--glow-aqua); }
.contact::after { right: -14%; top: -38%; background: var(--glow-gold); }
.contact > * { position: relative; z-index: 1; }

.contact__title {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem); font-weight: 800;
  letter-spacing: -.04em; margin-top: .4rem;
}
.contact__sub { color: var(--text-soft); margin: .85rem 0 1.6rem; max-width: 46ch; }
.contact__channels { display: flex; flex-wrap: wrap; gap: .6rem; }
.contact__mail {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 700; font-size: .95rem; color: var(--brand);
  padding: .6rem 1.05rem; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand) 40%, transparent);
  background: color-mix(in srgb, var(--brand-soft) 70%, transparent);
  transition: transform .2s var(--ease-out), background .2s var(--ease);
}
.contact__mail:hover { transform: translateY(-2px); background: var(--brand-soft); }
.contact__wa {
  color: var(--aqua-deep); border-color: color-mix(in srgb, var(--aqua-deep) 45%, transparent);
  background: rgba(127, 227, 240, .12);
}
.contact__wa:hover { background: rgba(127, 227, 240, .2); }

.socials { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
.socials a {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .85rem; font-weight: 600; color: var(--text-soft);
  padding: .5rem .95rem; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg);
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease-out);
}
.socials a:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-3px); }

.contact-form { display: grid; gap: .9rem; }
.field { display: grid; gap: .35rem; }
.field label { font-size: .8rem; font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: .92rem; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem .9rem; resize: vertical;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.field textarea { min-height: 104px; }
.field input::placeholder, .field textarea::placeholder { color: color-mix(in srgb, var(--text-soft) 70%, transparent); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); background: var(--surface);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 15%, transparent);
}
.field.has-error input, .field.has-error textarea { border-color: #e5484d; }
.field__error { color: #e5484d; font-size: .76rem; min-height: 0; }
.contact-form__submit { justify-content: center; margin-top: .35rem; }
.contact-form__status { font-size: .85rem; font-weight: 700; color: #12a150; min-height: 1.2rem; }
.contact-form__status.is-error { color: #e5484d; }

/* =========================================================
   17) FOOTER — band ink
   ========================================================= */
.footer {
  background: var(--ink); border-top: 1px solid var(--ink-line);
  padding: 2rem 0 1.6rem; position: relative; overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; inset: auto 0 0 0; height: 180px; pointer-events: none;
  background: radial-gradient(50% 100% at 50% 100%, var(--glow-aqua), transparent 70%);
  opacity: .7;
}
.footer > * { position: relative; }
.footer__inner {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  color: var(--ink-soft); font-size: .85rem;
}
.footer__links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer__links a { transition: color .2s var(--ease); }
.footer__links a:hover { color: var(--gold-2); }
.footer__top { font-weight: 700; color: var(--gold-2); }
.footer__admin {
  display: flex; justify-content: center; margin-top: 1.2rem; padding-top: 1rem;
  border-top: 1px solid var(--ink-line);
}
.footer__admin a {
  font-size: .76rem; font-weight: 700; color: var(--ink-soft); letter-spacing: .1em;
  text-transform: uppercase; font-family: var(--mono);
}
.footer__admin a:hover { color: var(--gold-2); }

/* =========================================================
   18) PROGRES BACA & KEMBALI KE ATAS
   ========================================================= */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%; z-index: 120;
  background: var(--grad-aurora);
  transition: width .1s linear;
}
.to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center;
  border: none; color: #1a1204;
  background: var(--grad-gold);
  box-shadow: 0 14px 30px -12px rgba(200, 162, 74, .85);
  animation: pop .3s var(--ease-out);
  transition: transform .25s var(--ease-out);
}
.to-top:hover { transform: translateY(-4px) scale(1.04); }
@keyframes pop { from { opacity: 0; transform: translateY(18px) scale(.94); } }

/* =========================================================
   19) DETAIL KARTU PROYEK (expand/collapse)
   ========================================================= */
.card__details {
  display: grid; gap: 1.1rem; margin-top: .4rem; padding-top: 1.1rem;
  border-top: 1px dashed var(--border);
  animation: revealDetails .3s var(--ease-out);
}
@keyframes revealDetails { from { opacity: 0; transform: translateY(-8px); } }
.card__block h4 {
  font-family: var(--mono);
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); margin-bottom: .4rem;
}
.card__block p { font-size: .87rem; color: var(--text-soft); }
.card__results { display: grid; gap: .4rem; }
.card__results li { position: relative; padding-left: 1.2rem; font-size: .85rem; color: var(--text-soft); }
.card__results li::before {
  content: ""; position: absolute; left: 0; top: .58em; width: 6px; height: 6px;
  border-radius: 2px; background: var(--accent);
}
.card__actions {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .25rem;
  padding-top: 1rem; border-top: 1px solid var(--border);
}
.card.is-open .card__detail .icon { transform: rotate(180deg); }

/* =========================================================
   20) ANIMASI REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   21) RESPONSIF
   ========================================================= */
@media (max-width: 1240px) {
  .nav__links { font-size: .81rem; }
  .nav__links a { padding: .44rem .6rem; }
}
@media (max-width: 1080px) {
  .nav__links { font-size: .78rem; gap: 0; }
  .nav__links a { padding: .42rem .5rem; }
  .nav__brand-text { display: none; }
}
@media (max-width: 940px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; gap: 0;
    background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: 0 0 22px 22px;
    padding: .6rem 1.25rem 1.4rem; margin: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-14px); opacity: 0; pointer-events: none;
    transition: .28s var(--ease-out);
    max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav__links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links a { padding: .85rem .9rem; border-bottom: 1px solid var(--ink-line); border-radius: 0; }
  .nav__links a.is-active { background: transparent; color: var(--gold-2); box-shadow: none; }
  .nav__links a:last-child { border-bottom: none; }
  .nav__brand-text { display: block; }
  .nav__burger { display: flex; }
  .nav__actions .btn--ghost { display: none; }

  .hero__inner { grid-template-columns: 1fr; gap: 2.75rem; }
  .hero__visual { order: -1; min-height: 0; }
  .hero__avatar { width: min(210px, 55%); }
  .about { grid-template-columns: 1fr; gap: 2.25rem; }
  .about__facts { position: static; }
  .skills, .projects, .pub-grid, .techmate-grid { grid-template-columns: repeat(2, 1fr); }
  .edu-grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .training-grid { grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; gap: 2.25rem; padding: 2.6rem 1.85rem; }
}

@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .hero { padding-top: calc(var(--nav-h) + 4rem); }
  .section { padding: 4.25rem 0; }
  .section__head { margin-bottom: 2.25rem; }
  .skills, .projects, .pub-grid, .techmate-grid, .training-grid,
  .philosophy-grid { grid-template-columns: 1fr; }
  .bar { grid-template-columns: 112px 1fr; }
  .hero__stats { gap: 1rem; }
  .hero__stats > div { padding-left: .85rem; }
  .hero__stats > div + div::before { left: -.5rem; }
  .contact { padding: 2.25rem 1.35rem; border-radius: 22px; }
  .footer__inner { justify-content: center; text-align: center; }
  .footer__links { justify-content: center; }
  .cert { flex-wrap: wrap; }
  .cert__link { margin-left: 3.6rem; }
  .to-top { right: .9rem; bottom: .9rem; }
  .techmate__cta-inner { padding: 1.4rem 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}