/* 1. Design tokens */
:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --surface: #11151a;
  --surface-2: #171c23;
  --surface-3: #202731;
  --text: #f4f6f8;
  --muted: #aeb6c2;
  --subtle: #7d8794;
  --line: #2a323d;
  --accent: #c8ff3d;
  --accent-2: #7d88ff;
  --danger: #ff7d7d;
  --success: #8df0c4;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  --max: 1180px;
  --radius-sm: .45rem;
  --radius-md: .9rem;
  --radius-lg: 1.4rem;
  --step--1: clamp(.82rem, .79rem + .13vw, .9rem);
  --step-0: clamp(1rem, .96rem + .2vw, 1.1rem);
  --step-1: clamp(1.2rem, 1.08rem + .6vw, 1.5rem);
  --step-2: clamp(1.45rem, 1.18rem + 1.35vw, 2.15rem);
  --step-3: clamp(2rem, 1.42rem + 2.9vw, 3.7rem);
  --step-4: clamp(2.65rem, 1.55rem + 5.5vw, 6rem);
  --space-1: .35rem;
  --space-2: .65rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.25rem;
  --space-6: 3.5rem;
  --space-7: 5.5rem;
  --space-8: 8rem;
}

/* 2. Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: var(--step-0); line-height: 1.6; text-rendering: optimizeLegibility; }
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; }
a { color: inherit; }
button { border: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--accent); color: #0b0d10; }
[hidden] { display: none !important; }

/* 3. Base typography */
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.06; letter-spacing: -.035em; }
h1 { font-size: var(--step-4); max-width: 12ch; margin-bottom: var(--space-4); }
h2 { font-size: var(--step-3); max-width: 18ch; margin-bottom: var(--space-4); }
h3 { font-size: var(--step-1); margin-bottom: var(--space-2); }
p { margin-bottom: var(--space-3); }
.lede { font-size: var(--step-1); color: var(--muted); max-width: 65ch; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; margin-bottom: var(--space-3); color: var(--accent); font-size: var(--step--1); font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 1.6rem; height: 2px; background: currentColor; }
.small { font-size: var(--step--1); color: var(--muted); }
.muted { color: var(--muted); }

/* 4. Layout */
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.section { padding-block: var(--space-7); position: relative; }
.section--tight { padding-block: var(--space-6); }
.section-header { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1fr); align-items: end; gap: var(--space-5); margin-bottom: var(--space-5); }
.section-header p { margin: 0; color: var(--muted); max-width: 58ch; }
.section-index { color: var(--accent); font-size: var(--step--1); font-weight: 800; letter-spacing: .12em; }

/* 5. Utilities/components */
.skip-link { position: fixed; inset: .75rem auto auto .75rem; z-index: 100; transform: translateY(-160%); padding: .7rem 1rem; background: var(--accent); color: #0b0d10; font-weight: 800; border-radius: var(--radius-sm); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(18px); background: rgba(11, 13, 16, .86); border-bottom: 1px solid rgba(255,255,255,.06); }
.nav { min-height: 4.7rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand-mark { width: 2.1rem; height: 2.1rem; }
.nav-links { display: flex; align-items: center; gap: 1.3rem; list-style: none; padding: 0; margin: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .94rem; font-weight: 650; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.lang-link { display: inline-flex; align-items: center; min-height: 2.6rem; padding: .2rem .8rem; border: 1px solid var(--line); border-radius: 999px; }
.nav-toggle { display: none; align-items: center; justify-content: center; width: 2.8rem; height: 2.8rem; background: var(--surface-2); color: var(--text); border-radius: 50%; cursor: pointer; }
.nav-toggle svg { width: 1.35rem; height: 1.35rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: var(--space-4); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 3rem; padding: .75rem 1.1rem; border-radius: var(--radius-sm); text-decoration: none; font-weight: 760; transition: transform .2s ease, background-color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--accent); color: #0b0d10; }
.button--secondary { border: 1px solid var(--line); background: var(--surface); color: var(--text); }
.button--text { padding-inline: 0; color: var(--accent); }
.button svg { width: 1.1rem; height: 1.1rem; }

.hero { min-height: calc(100svh - 4.7rem); display: grid; align-items: center; overflow: hidden; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 48px 48px; }
.hero::before { content: ""; position: absolute; width: 34rem; aspect-ratio: 1; top: 4rem; right: -11rem; border: 1px solid rgba(200,255,61,.22); border-radius: 50%; box-shadow: 0 0 0 5rem rgba(125,136,255,.03), 0 0 0 10rem rgba(200,255,61,.02); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(17rem, .65fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); padding-block: var(--space-6); }
.hero-copy { position: relative; z-index: 1; }
.hero-copy .lede { max-width: 58ch; }
.hero-card { position: relative; justify-self: end; width: min(100%, 26rem); padding: .65rem; background: linear-gradient(150deg, rgba(200,255,61,.18), rgba(125,136,255,.06)); border: 1px solid rgba(255,255,255,.12); border-radius: 1.6rem; box-shadow: var(--shadow); }
.hero-card picture, .hero-card img { border-radius: 1.15rem; }
.hero-card img { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; object-position: 58% 34%; }
.hero-card__label { position: absolute; left: -1.2rem; bottom: 1.6rem; max-width: 15rem; padding: .9rem 1rem; background: var(--accent); color: #0b0d10; font-weight: 850; line-height: 1.2; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
.proof-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; list-style: none; padding: 0; margin: var(--space-5) 0 0; max-width: 48rem; }
.proof-list li { padding-top: .9rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.proof-list strong { display: block; color: var(--text); font-size: 1.1rem; }

.value-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value-item { min-height: 15rem; padding: var(--space-5); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.018), transparent); }
.value-item span { display: inline-flex; margin-bottom: var(--space-5); color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .12em; }
.value-item p { color: var(--muted); max-width: 45ch; }

.filters { display: none; flex-wrap: wrap; gap: .55rem; margin-bottom: var(--space-4); }
.js .filters { display: flex; }
.filter-button { min-height: 2.6rem; padding: .55rem .9rem; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.filter-button[aria-pressed="true"] { background: var(--accent); color: #0b0d10; border-color: var(--accent); font-weight: 800; }
.projects { display: grid; gap: var(--space-5); }
.project { display: grid; grid-template-columns: minmax(16rem, .9fr) minmax(0, 1.1fr); min-height: 30rem; border: 1px solid var(--line); background: var(--surface); overflow: clip; }
.project:nth-child(even) { grid-template-columns: minmax(0, 1.1fr) minmax(16rem, .9fr); }
.project:nth-child(even) .project-media { order: 2; }
.project-media { min-height: 100%; display: grid; place-items: center; background: #0f1318; overflow: hidden; }
.project-media--portrait { padding: var(--space-5); background: radial-gradient(circle at 50% 35%, rgba(200,255,61,.14), transparent 34%), #10151b; }
.project-media--cyan { background: radial-gradient(circle at 50% 35%, rgba(125,136,255,.16), transparent 35%), #0b1b20; }
.project-media--system { position: relative; background: linear-gradient(145deg, #171d26, #0e1116); padding: var(--space-5); }
.project-media--system::before { content: "01  02  03  04\A 05  06  07  08\A 09  10  11  12"; white-space: pre; font: 800 clamp(1.3rem, 3vw, 2.7rem)/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; color: rgba(200,255,61,.78); letter-spacing: .16em; }
.project-media--system::after { content: "SQL / USERS / INVENTORY"; position: absolute; inset: auto var(--space-4) var(--space-4) auto; color: var(--muted); font: 700 .75rem ui-monospace, monospace; letter-spacing: .12em; }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-media--portrait img { width: auto; max-height: 34rem; object-fit: contain; border-radius: .7rem; box-shadow: var(--shadow); }
.project-content { display: flex; flex-direction: column; justify-content: center; padding: clamp(1.6rem, 4vw, 4rem); }
.project-meta { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-bottom: var(--space-3); color: var(--accent); font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.project-content h3 { font-size: var(--step-2); }
.project-content p { color: var(--muted); }
.project-facts { display: grid; gap: .8rem; margin: var(--space-3) 0; }
.project-fact { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1rem; padding-top: .8rem; border-top: 1px solid var(--line); font-size: .94rem; }
.project-fact strong { color: var(--text); }
.project-fact span { color: var(--muted); }
.project details { margin-top: var(--space-3); border-top: 1px solid var(--line); padding-top: var(--space-3); }
.project summary { cursor: pointer; color: var(--text); font-weight: 750; }
.project details p { margin-top: var(--space-3); }

.stack-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stack-group { padding: var(--space-4); background: var(--surface); }
.stack-group h3 { color: var(--accent); font-size: 1rem; letter-spacing: .04em; }
.stack-group ul { list-style: none; padding: 0; margin: 0; color: var(--muted); }
.stack-group li + li { margin-top: .45rem; }

.timeline { border-left: 1px solid var(--line); margin-left: .4rem; }
.timeline-item { position: relative; display: grid; grid-template-columns: 9rem 1fr; gap: var(--space-4); padding: 0 0 var(--space-5) var(--space-5); }
.timeline-item::before { content: ""; position: absolute; left: -.36rem; top: .25rem; width: .7rem; height: .7rem; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 .45rem var(--bg); }
.timeline-date { color: var(--accent); font-size: .88rem; font-weight: 800; }
.timeline-content p { color: var(--muted); max-width: 62ch; }

.contact-panel { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-6); padding: clamp(1.6rem, 5vw, 4.5rem); background: var(--accent); color: #0b0d10; }
.contact-panel h2 { max-width: 13ch; }
.contact-panel p { color: #27300d; max-width: 55ch; }
.contact-actions { display: grid; align-content: center; gap: .85rem; }
.contact-link { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 3.5rem; padding: .8rem 1rem; border: 1px solid rgba(11,13,16,.28); text-decoration: none; font-weight: 800; }
.contact-link:hover { background: rgba(11,13,16,.08); }
.copy-row { display: flex; gap: .65rem; align-items: center; flex-wrap: wrap; }
.copy-button { min-height: 2.8rem; padding: .6rem .9rem; background: #0b0d10; color: var(--text); border-radius: var(--radius-sm); cursor: pointer; font-weight: 750; }
.copy-status { min-height: 1.5rem; font-size: .9rem; }

.site-footer { padding-block: var(--space-5); border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4); }
.footer-links { display: flex; flex-wrap: wrap; gap: .8rem 1.2rem; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

.privacy-main { min-height: 70svh; padding-block: var(--space-7); }
.prose { max-width: 760px; }
.prose h1 { max-width: none; font-size: var(--step-3); }
.prose h2 { font-size: var(--step-2); margin-top: var(--space-5); }
.prose p, .prose li { color: var(--muted); }
.error-page { min-height: 100svh; display: grid; place-items: center; padding: 2rem; text-align: center; }
.error-code { font: 900 clamp(5rem, 25vw, 16rem)/.8 ui-monospace, monospace; color: var(--accent); letter-spacing: -.08em; }

/* 6. Responsive */
@media (max-width: 980px) {
  .section-header { grid-template-columns: 1fr; align-items: start; }
  .hero-grid { grid-template-columns: 1fr .7fr; gap: 2rem; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .project, .project:nth-child(even) { grid-template-columns: 1fr; }
  .project:nth-child(even) .project-media { order: 0; }
  .project-media { min-height: 23rem; }
}

@media (max-width: 760px) {
  :root { --space-7: 4.5rem; }
  .nav-toggle { display: inline-flex; }
  .nav-links { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .75rem 1rem 1rem; background: #0b0d10; border-bottom: 1px solid var(--line); }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a { display: flex; align-items: center; min-height: 3rem; padding-inline: .5rem; }
  .lang-link { border-radius: var(--radius-sm); }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding-block: var(--space-6); }
  .hero-card { justify-self: stretch; width: min(100%, 25rem); margin-inline: auto; }
  .hero-card__label { left: .5rem; right: .5rem; bottom: .5rem; max-width: none; }
  .proof-list { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .value-item { min-height: auto; }
  .stack-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: .5rem; }
  .contact-panel { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { width: min(calc(100% - 1.25rem), var(--max)); }
  .button-row .button { width: 100%; }
  .project-content { padding: 1.25rem; }
  .project-media { min-height: 18rem; }
  .project-media--portrait { padding: 1.2rem; }
  .project-fact { grid-template-columns: 1fr; gap: .15rem; }
  .contact-panel { padding: 1.35rem; }
}

/* 7. Accessibility & motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media (prefers-contrast: more) {
  :root { --muted: #d7dce3; --line: #596371; }
  .button--secondary, .project, .stack-grid, .value-grid { border-color: #8e98a5; }
}

.button-row--center { justify-content: center; }

/* Reflow safeguards for enlarged text and narrow viewports */
.hero-grid > *,
.section-header > *,
.value-grid > *,
.project > *,
.stack-grid > *,
.timeline-item > *,
.contact-panel > *,
.footer-grid > * {
  min-width: 0;
}

h1, h2, h3, p, li, a, span, summary {
  overflow-wrap: anywhere;
}

.project-media--system::before {
  max-width: 100%;
  overflow: hidden;
}

@media (max-width: 480px) {
  .eyebrow {
    display: block;
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .eyebrow::before {
    display: inline-block;
    margin-right: .55rem;
    vertical-align: middle;
  }

  .project-media--system {
    padding: 1rem;
  }

  .project-media--system::before {
    font-size: clamp(.5rem, 4.5vw, .8rem);
    letter-spacing: .04em;
  }

  .project-media--system::after {
    inset: auto .7rem .7rem auto;
    max-width: calc(100% - 1.4rem);
    font-size: .55rem;
    overflow-wrap: anywhere;
  }
}