/* ==========================================================================
   Berekwu Daniel Chibueze — Portfolio
   Colours, fonts and spacing are set as variables at the top.
   ========================================================================== */

:root {
  --bg: #0a0c12;
  --bg-2: #10131b;
  --bg-3: #161a24;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f3f4f6;
  --muted: #9aa1ad;
  --faint: #6b7280;
  --accent: #2f80ff;
  --accent-hover: #5596ff;
  --accent-soft: rgba(47, 128, 255, 0.14);
  --on-accent: #ffffff;
  --glow: rgba(255, 255, 255, 0.10);
  --danger: #ff6b6b;
  --success: #3ddc97;

  --font-display: "Anton", "Oswald", "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --container: 1240px;
  --radius: 14px;
  --nav-h: 76px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #efeee9;
  --bg-2: #f8f7f3;
  --bg-3: #e6e4dd;
  --line: rgba(10, 12, 18, 0.10);
  --line-strong: rgba(10, 12, 18, 0.22);
  --text: #0b0d12;
  --muted: #4b5260;
  --faint: #7a808b;
  --accent: #1f6fec;
  --accent-hover: #155bd0;
  --accent-soft: rgba(31, 111, 236, 0.10);
  --glow: rgba(255, 255, 255, 0.9);
  color-scheme: light;
}

/* ---------- Base ---------- */
*, *::before, *::after { 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(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
section[id] { scroll-margin-top: calc(var(--nav-h) - 8px); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 8px;
  transform: translateY(-160%); transition: transform 0.2s;
}
.skip-link:focus { transform: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

.display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 0.95;
  font-size: clamp(2.6rem, 6.5vw, 5.75rem);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 0 22px; border-radius: 999px;
  font-size: 0.92rem; font-weight: 600; letter-spacing: 0.01em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s var(--ease);
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--text); transform: translateY(-1px); }
.btn--lg { min-height: 54px; padding: 0 30px; font-size: 1rem; }
.btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  transition: background-color 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  height: 100%; max-width: 1440px; margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
}
.nav__logo {
  font-family: var(--font-display); text-transform: uppercase; font-size: 1.3rem; letter-spacing: 0.02em;
  justify-self: start;
}
.nav__links { display: flex; gap: clamp(28px, 5vw, 84px); }
.nav__links a { font-size: 0.95rem; font-weight: 500; color: var(--text); opacity: 0.86; position: relative; padding: 6px 0; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease);
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after, .nav__links a[aria-current="true"]::after { transform: scaleX(1); }
.nav__actions { justify-self: end; display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 46px; height: 26px; border-radius: 999px; border: 0; padding: 3px; cursor: pointer;
  background: var(--text); position: relative; transition: background-color 0.3s;
}
.theme-toggle__knob {
  display: block; width: 20px; height: 20px; border-radius: 50%; background: var(--bg);
  transform: translateX(20px); transition: transform 0.3s var(--ease), background-color 0.3s;
}
:root[data-theme="light"] .theme-toggle__knob { transform: translateX(0); }

.nav__burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 50%; background: transparent; cursor: pointer; position: relative; }
.nav__burger span { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--text); transition: transform 0.3s var(--ease), top 0.3s; }
.nav__burger span:first-child { top: 16px; }
.nav__burger span:last-child { top: 24px; }
.nav__burger[aria-expanded="true"] span:first-child { top: 20px; transform: rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; height: 100vh; height: 100svh; min-height: 640px; max-height: 1080px;
  overflow: hidden; isolation: isolate;
}
.hero__stage { position: absolute; inset: 0; }
.hero__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 38% 55% at 50% 52%, var(--glow), transparent 70%),
    radial-gradient(ellipse 60% 40% at 50% 100%, var(--accent-soft), transparent 70%);
}
.hero__word {
  position: absolute; z-index: 1; left: var(--gutter); right: var(--gutter); top: 23%;
  display: flex; justify-content: center;
  font-family: var(--font-display); text-transform: uppercase; line-height: 0.8;
  font-size: 22vw; /* refined by script to fit the width exactly */
  color: var(--text); white-space: nowrap; user-select: none;
}
.hero__word span { display: block; }
.hero__portrait {
  position: absolute; z-index: 2; bottom: 0; left: 50%; transform: translateX(-50%);
  height: 86%; display: block;
}
.hero__portrait img {
  height: 100%; width: auto; max-width: none; object-fit: contain; object-position: bottom center;
}
.hero.is-mono .hero__portrait img { filter: grayscale(1) contrast(1.08) brightness(1.02); }
.hero__fade {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; height: 22%; pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--bg) 92%);
}

.hero__line { font-size: clamp(0.95rem, 1.15vw, 1.1rem); font-weight: 500; line-height: 1.45; }
.hero__left, .hero__right { position: absolute; z-index: 4; top: var(--word-bottom, 60%); margin-top: clamp(14px, 2vh, 28px); }
.hero__left { left: calc(var(--gutter) + 2.5vw); max-width: 28vw; }
.hero__right { right: calc(var(--gutter) + 2.5vw); max-width: 30vw; text-align: right; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero__cta .btn { min-height: 42px; padding: 0 18px; font-size: 0.86rem; }

.hero__socials { position: absolute; z-index: 4; left: calc(var(--gutter) + 0.5vw); bottom: clamp(22px, 5vh, 48px); display: flex; gap: 10px; }
.hero__contact {
  position: absolute; z-index: 4; right: calc(var(--gutter) + 0.5vw); bottom: clamp(22px, 5vh, 48px);
  font-size: 0.92rem; font-weight: 500; color: var(--text); opacity: 0.9;
}
.hero__contact:hover { color: var(--accent); opacity: 1; }
.hero__contact:empty { display: none; }

.social {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-strong); color: var(--text); transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.social svg { width: 16px; height: 16px; }
.social:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Intro ---------- */
.intro { padding: clamp(40px, 7vw, 88px) 0 clamp(24px, 4vw, 48px); }
.intro__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: end; }
.intro__text { font-size: clamp(1.25rem, 2.1vw, 1.75rem); line-height: 1.45; font-weight: 500; letter-spacing: -0.01em; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tag {
  font-size: 0.8rem; font-weight: 500; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
}

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 140px) 0; border-top: 1px solid var(--line); }
.section__head { margin-bottom: clamp(36px, 5vw, 64px); }
.section__head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.skill {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px 30px; transition: border-color 0.3s, transform 0.3s var(--ease);
}
.skill:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.skill__icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 22px;
}
.skill__icon svg { width: 22px; height: 22px; }
.skill h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 14px; letter-spacing: -0.005em; }
.skill li { color: var(--muted); font-size: 0.93rem; padding: 7px 0; border-top: 1px solid var(--line); }
.skill li:first-child { border-top: 0; padding-top: 0; }

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter {
  border: 1px solid var(--line-strong); background: transparent; border-radius: 999px;
  padding: 9px 16px; font-size: 0.86rem; font-weight: 500; cursor: pointer; color: var(--muted);
  transition: all 0.2s;
}
.filter:hover { color: var(--text); border-color: var(--text); }
.filter.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }

/* ---------- Projects ---------- */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2vw, 28px); }
.project {
  display: flex; flex-direction: column; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: border-color 0.3s, transform 0.3s var(--ease);
}
.project:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.project[hidden] { display: none; }
.project__thumb {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--bg-3); border: 0; padding: 0; cursor: pointer; text-align: left;
  border-bottom: 1px solid var(--line);
}
.project__thumb > img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 0.6s var(--ease); }
.project__thumb > .mock { transition: transform 0.6s var(--ease); }
.project:hover .project__thumb > * { transform: scale(1.025); }
.project__label {
  position: absolute; z-index: 2; left: 14px; bottom: 12px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: #c9ced8; background: rgba(10, 12, 18, 0.72); border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 9px; border-radius: 999px; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.project__body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.project__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.project__kind { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.status {
  font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
}
.status--completed { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, transparent); }
.status--prototype { color: #f5b14c; border-color: rgba(245, 177, 76, 0.45); }
.status--in-progress { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.project h3 { font-size: 1.3rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 10px; }
.project__summary { color: var(--muted); font-size: 0.95rem; margin-bottom: 18px; }
.project__role { font-size: 0.88rem; color: var(--muted); margin: -8px 0 18px; }
.project__role strong { color: var(--text); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
.chip { font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted); background: var(--bg-3); padding: 4px 9px; border-radius: 6px; }
.project__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; }
.project__actions .btn { min-height: 42px; padding: 0 18px; font-size: 0.86rem; }

.empty {
  grid-column: 1 / -1; border: 1px dashed var(--line-strong); border-radius: var(--radius);
  padding: 40px 28px; text-align: center; color: var(--muted);
}
.empty h3 { color: var(--text); font-size: 1.15rem; margin-bottom: 8px; }
.empty a { color: var(--accent); font-weight: 600; }

/* ---------- Mockups (illustrations used when no screenshot exists) ---------- */
.mock {
  position: absolute; inset: 0; padding: 7% 7% 0; display: flex;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(47, 128, 255, 0.20), transparent 70%),
    linear-gradient(160deg, #141927, #0b0e16);
}
.mock__win {
  flex: 1; display: flex; flex-direction: column; background: #0e121c; border: 1px solid rgba(255,255,255,0.10);
  border-bottom: 0; border-radius: 10px 10px 0 0; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.45);
  color: #c9ced8; font-size: clamp(9px, 0.95vw, 12.5px); line-height: 1.5;
}
.mock__bar { display: flex; align-items: center; gap: 5px; padding: 8px 10px; background: #151a26; border-bottom: 1px solid rgba(255,255,255,0.07); }
.mock__bar i { width: 7px; height: 7px; border-radius: 50%; background: #3a4152; }
.mock__bar i:nth-child(1) { background: #ff5f57; } .mock__bar i:nth-child(2) { background: #febc2e; } .mock__bar i:nth-child(3) { background: #28c840; }
.mock__bar b { margin-left: 8px; font-weight: 500; color: #8b93a3; font-size: 0.92em; letter-spacing: 0.02em; }
.mock__url { margin-left: 8px; flex: 1; background: #0e121c; border-radius: 4px; padding: 2px 8px; color: #6b7280; font-size: 9px; }
.mock__body { flex: 1; display: flex; min-height: 0; }
.mock__side { width: 30%; border-right: 1px solid rgba(255,255,255,0.07); padding: 10px 8px; display: flex; flex-direction: column; gap: 5px; }
.mock__side span { padding: 5px 8px; border-radius: 5px; color: #8b93a3; }
.mock__side span.on { background: rgba(47,128,255,0.16); color: #cfe0ff; }
.mock__main { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.mock__field { height: 1.9em; border: 1px solid rgba(255,255,255,0.09); border-radius: 4px; background: #121726; display: flex; align-items: center; padding: 0 7px; color: #6b7280; font-size: 0.92em; }
.mock__field.tall { height: 4.6em; align-items: flex-start; padding-top: 4px; }
.mock__btn { align-self: flex-start; background: #2f80ff; color: #fff; border-radius: 4px; padding: 0.3em 1.2em; font-weight: 600; font-size: 0.92em; }
.mock__term { font-family: var(--font-mono); padding: 12px 14px; font-size: 1em; line-height: 1.75; white-space: nowrap; overflow: hidden; }
.mock__term .p { color: #5596ff; } .mock__term .ok { color: #3ddc97; } .mock__term .warn { color: #f5b14c; } .mock__term .bad { color: #ff6b6b; } .mock__term .dim { color: #6b7280; }
.mock__workers { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 0 14px 12px; }
.mock__worker { font-family: var(--font-mono); font-size: 0.88em; color: #8b93a3; }
.mock__worker div { height: 4px; border-radius: 2px; background: #1c2333; margin-top: 3px; overflow: hidden; }
.mock__worker div::after { content: ""; display: block; height: 100%; width: var(--w, 60%); background: #2f80ff; }
.mock__flow { flex: 1; display: grid; place-items: center; padding: 12px; }
.mock__flow-row { display: flex; align-items: center; gap: 6px; flex-wrap: nowrap; }
.mock__node { border: 1px solid rgba(255,255,255,0.14); background: #141a28; border-radius: 6px; padding: 0.7em 0.9em; text-align: center; font-size: 1.05em; color: #c9ced8; white-space: nowrap; }
.mock__node small { display: block; color: #6b7280; font-size: 0.82em; }
.mock__node.hub { border-color: rgba(47,128,255,0.6); background: rgba(47,128,255,0.12); color: #cfe0ff; }
.mock__arrow { color: #4b5466; font-size: 1.2em; }
.mock__branches { display: flex; flex-direction: column; gap: 5px; }
.mock__site { flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.mock__site .h { height: 14px; width: 55%; background: #262d3d; border-radius: 3px; }
.mock__site .s { height: 7px; width: 80%; background: #1c2231; border-radius: 3px; }
.mock__site .g { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 6px; }
.mock__site .g i { background: #161c2a; border: 1px solid rgba(255,255,255,0.06); border-radius: 5px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; max-width: 920px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px; background: var(--line-strong); }
.exp { position: relative; padding-left: 44px; padding-bottom: 40px; }
.exp:last-child { padding-bottom: 0; }
.exp::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); box-shadow: 0 0 0 5px var(--accent-soft);
}
.exp__dates { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.exp h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
.exp__org { color: var(--muted); margin: 4px 0 14px; }
.exp__desc { color: var(--muted); margin-bottom: 18px; max-width: 70ch; }
.exp__list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 32px; margin-bottom: 22px; }
.exp__list li { position: relative; padding-left: 18px; font-size: 0.95rem; }
.exp__list li::before { content: ""; position: absolute; left: 0; top: 0.68em; width: 8px; height: 1px; background: var(--accent); }
.exp__projects { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.exp__projects span { font-size: 0.8rem; color: var(--faint); margin-right: 4px; }
.linkchip {
  font-size: 0.82rem; border: 1px solid var(--line-strong); border-radius: 999px; padding: 5px 12px; background: transparent;
  cursor: pointer; color: var(--text); transition: border-color 0.2s, color 0.2s;
}
.linkchip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1fr 1.25fr; gap: 0 clamp(32px, 6vw, 96px); }
.about .section__head { grid-row: span 1; }
.about__body p { color: var(--muted); font-size: 1.06rem; margin-bottom: 18px; }
.about__body p:first-child { color: var(--text); font-size: clamp(1.15rem, 1.7vw, 1.35rem); font-weight: 500; line-height: 1.5; }
.facts { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); padding-top: 3px; }
.facts dd { margin: 0; }
.quote { grid-column: 1 / -1; margin: clamp(56px, 8vw, 110px) 0 0; padding: 0; position: relative; }
.quote p {
  font-family: var(--font-display); text-transform: uppercase; font-size: clamp(1.9rem, 4.4vw, 4rem);
  line-height: 1.05; letter-spacing: 0.005em; max-width: 26ch;
}
.quote::before { content: "“"; display: block; font-family: var(--font-display); color: var(--accent); font-size: clamp(4rem, 8vw, 7rem); line-height: 0.6; margin-bottom: 8px; }

/* ---------- Contact ---------- */
.contact { position: relative; overflow: hidden; }
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 50% 40% at 85% 0%, var(--accent-soft), transparent 70%);
}
.contact .container { position: relative; }
.contact__title { font-size: clamp(2.9rem, 9vw, 8.5rem); line-height: 0.9; max-width: 14ch; }
.contact__title span { display: block; color: var(--muted); }
.contact__lead { color: var(--muted); font-size: clamp(1.05rem, 1.4vw, 1.2rem); max-width: 60ch; margin: 28px 0 32px; }
.contact__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: clamp(56px, 8vw, 96px); }
.contact__grid { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(28px, 5vw, 80px); padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }
.contact__subtitle { font-size: 1.4rem; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.contact__aside p { color: var(--muted); }
.contact__direct { margin-top: 18px; }
.contact__direct a { color: var(--text); font-weight: 600; border-bottom: 1px solid var(--accent); }

/* ---------- Form ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 0.86rem; font-weight: 600; }
.optional { color: var(--faint); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 10px;
  padding: 13px 14px; font-size: 1rem; color: var(--text); transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field__error { color: var(--danger); font-size: 0.84rem; min-height: 0; }
.field__error:empty { display: none; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form .btn--lg { justify-self: start; }
.form__status { font-size: 0.95rem; }
.form__status:empty { display: none; }
.form__status.is-success { color: var(--success); }
.form__status.is-error { color: var(--danger); }
.form__status a { text-decoration: underline; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 28px; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; align-items: start; }
.footer__name { font-family: var(--font-display); text-transform: uppercase; font-size: 1.5rem; letter-spacing: 0.01em; }
.footer__role { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }
.footer__nav { display: grid; gap: 8px; }
.footer__nav a { color: var(--muted); font-size: 0.95rem; }
.footer__nav a:hover { color: var(--text); }
.footer__meta { display: grid; gap: 14px; justify-items: end; }
.footer__socials { display: flex; gap: 8px; }
.footer__email { font-weight: 500; }
.footer__email:hover { color: var(--accent); }
.footer__email:empty { display: none; }
.footer__bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--faint); font-size: 0.85rem; }

/* ---------- Modal ---------- */
.modal {
  width: min(980px, calc(100% - 24px)); max-height: calc(100% - 24px); padding: 0; border: 1px solid var(--line-strong);
  border-radius: 18px; background: var(--bg-2); color: var(--text); overflow: hidden;
}
.modal::backdrop { background: rgba(4, 6, 10, 0.72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal[open] { animation: modal-in 0.3s var(--ease); }
@keyframes modal-in { from { opacity: 0; transform: translateY(14px) scale(0.99); } }
.modal__inner { max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); overflow-y: auto; overscroll-behavior: contain; }
.modal__close {
  position: sticky; top: 14px; float: right; margin: 14px 14px 0 0; z-index: 3;
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--bg-2) 85%, transparent); font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.modal__close:hover { border-color: var(--text); }
.modal__hero { position: relative; aspect-ratio: 16 / 7; background: var(--bg-3); border-bottom: 1px solid var(--line); }
.modal__hero > img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.modal__hero .mock { padding: 5% 9% 0; }
.modal__hero .mock__win { font-size: clamp(10px, 1.25vw, 13.5px); }
.modal__content { padding: clamp(24px, 4vw, 44px); }
.modal__content h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.modal__lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 28px; max-width: 70ch; }
.modal__cols { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
.modal__block h3 { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.modal__block + .modal__block { margin-top: 26px; }
.modal__block p { color: var(--muted); }
.modal__block ul li { position: relative; padding: 7px 0 7px 18px; border-bottom: 1px solid var(--line); }
.modal__block ul li::before { content: ""; position: absolute; left: 0; top: 1.15em; width: 8px; height: 1px; background: var(--accent); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-top: 28px; }
.gallery a { display: block; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.gallery img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.modal__links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.modal__note { margin-top: 26px; font-size: 0.85rem; color: var(--faint); }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .skills { grid-template-columns: repeat(2, 1fr); }
  .hero__left { max-width: 30vw; }
}

@media (max-width: 860px) {
  :root { --nav-h: 66px; }
  .nav__inner { grid-template-columns: 1fr auto; }
  .nav__burger { display: inline-block; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 20px;
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all 0.25s var(--ease);
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links a { padding: 14px 0; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .nav__links a::after { display: none; }
  .nav.menu-open { background: var(--bg); }

  /* Hero stacks: portrait over the word, then text below */
  .hero { height: auto; min-height: 0; max-height: none; display: flex; flex-direction: column; overflow: visible; }
  .hero__stage { position: relative; inset: auto; height: min(118vw, 74svh); min-height: 420px; overflow: hidden; }
  .hero__word { top: calc(var(--nav-h) + 3%); }
  .hero__portrait { height: 76%; }
  .hero__fade { height: 26%; }
  .hero__left, .hero__right, .hero__socials, .hero__contact { position: static; max-width: none; margin: 0; text-align: left; }
  .hero__right { order: 2; padding: 0 var(--gutter); margin-top: -8px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
  .hero__left { order: 3; padding: 10px var(--gutter) 0; }
  .hero__left .hero__line { font-family: var(--font-display); text-transform: uppercase; font-weight: 400; font-size: clamp(1.9rem, 8vw, 2.6rem); line-height: 1; }
  .hero__cta .btn { min-height: 46px; padding: 0 20px; font-size: 0.92rem; }
  .hero__socials { order: 4; padding: 26px var(--gutter) 0; }
  .hero__socials:empty { display: none; }
  .hero__contact { order: 5; padding: 14px var(--gutter) 0; }

  .intro__inner { grid-template-columns: 1fr; }
  .tags { justify-content: flex-start; }
  .projects { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__meta { grid-column: 1 / -1; justify-items: start; }
  .modal__cols { grid-template-columns: 1fr; }
  .exp__list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .skills { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .contact__actions .btn { flex: 1 1 calc(50% - 6px); padding: 0 12px; }
  .facts div { grid-template-columns: 1fr; gap: 4px; }
  .project__body { padding: 20px; }
  .footer__inner { grid-template-columns: 1fr; }
  .nav__logo { font-size: 1.1rem; }
  .mock { padding: 6% 5% 0; }
  .mock__win { font-size: 2.6vw; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}