/* ========== Fonts (self-hosted, no external requests) ========== */
@font-face {
  font-family: "Geist";
  src: url("fonts/geist-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
}

/* ========== Tokens ========== */
:root {
  --bg: #f7f7f4;
  --bg-alt: #efefea;
  --surface: #ffffff;
  --text: #15171c;
  --muted: #5b606b;
  --line: #dedfd8;
  --accent: #0b7a75;
  --accent-strong: #08605c;
  --accent-soft: #d3f2f0;
  --code-bg: #12151b;
  --code-text: #d7dae0;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --font: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1015;
    --bg-alt: #12151c;
    --surface: #171a22;
    --text: #eceef2;
    --muted: #9aa1ad;
    --line: #262a35;
    --accent: #1acfc7;
    --accent-strong: #5ee3dc;
    --accent-soft: rgba(26,207,199,.12);
    --code-bg: #0a0c10;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.35);
  }
}

/* ========== Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 1.0625rem/1.65 var(--font);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1140px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }
.accent { color: var(--accent); }
.eyebrow { font: 600 .8rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin-bottom: 1rem; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .8em 1.4em; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; font-weight: 600; text-decoration: none;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
@media (prefers-color-scheme: dark) { .btn { color: #04201d; } }
.btn:hover { background: var(--accent-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { background: var(--surface); border-color: var(--muted); }
.btn--small { padding: .5em 1.1em; font-size: .95rem; }
.btn--big { font-size: clamp(1rem, 2.4vw, 1.25rem); padding: 1em 1.6em; word-break: break-all; }

/* ========== Nav ========== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 700; }
.brand__mark { width: 40px; height: 40px; border-radius: 10px; flex: none; }
@media (prefers-color-scheme: dark) { .brand__mark { box-shadow: 0 0 0 1px var(--line); } }
.nav__links { display: flex; align-items: center; gap: 1.8rem; }
.nav__links a:not(.btn) { text-decoration: none; color: var(--muted); font-weight: 500; transition: color .15s; }
.nav__links a:not(.btn):hover, .nav__links a.is-active { color: var(--text); }
.nav__toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .2s; }

@media (max-width: 820px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav__links .btn { margin-top: 16px; justify-content: center; }
  .nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
}

/* ========== Hero ========== */
.hero { padding: clamp(3rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 30%, transparent 75%);
}
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3.5rem; align-items: center; }
.lead { font-size: clamp(1.08rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 36em; }
.status {
  display: inline-flex; align-items: center; gap: .55rem; font-size: .9rem; font-weight: 500;
  padding: .35rem .9rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); margin-bottom: 1.6rem;
}
@media (prefers-color-scheme: dark) { .status { color: var(--accent); } }
.status__dot { width: 8px; height: 8px; border-radius: 50%; background: #10e09c; box-shadow: 0 0 0 0 rgba(16,224,156,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(16,224,156,0); } 100% { box-shadow: 0 0 0 0 rgba(16,224,156,0); } }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 2.6rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: 2rem; border-top: 1px solid var(--line); padding-top: 1.6rem; }
.hero__facts li { display: flex; flex-direction: column; }
.hero__facts strong { font-size: 1.05rem; }
.hero__facts span { color: var(--muted); font-size: .92rem; }

.code {
  background: var(--code-bg); color: var(--code-text); border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.06);
  transform: rotate(1.5deg); overflow: hidden;
}
.code__bar, .browser__bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,.07); }
.code__bar i, .browser__bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a3f4b; }
.code__bar i:nth-child(1), .browser__bar i:nth-child(1) { background: #ff5f57; }
.code__bar i:nth-child(2), .browser__bar i:nth-child(2) { background: #febc2e; }
.code__bar i:nth-child(3), .browser__bar i:nth-child(3) { background: #28c840; }
.code__bar span, .browser__bar span { margin-left: 10px; font: .78rem var(--mono); color: #8b92a0; }
.code pre { margin: 0; padding: 1.3rem 1.4rem 1.5rem; font: .88rem/1.75 var(--mono); overflow-x: auto; }
.code .k { color: #c792ea; } .code .v { color: #82aaff; } .code .p { color: #f78c6c; }
.code .s { color: #c3e88d; } .code .f { color: #ffcb6b; } .code .c { color: #676e7b; font-style: italic; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .code { transform: none; }
}

/* ========== Sections ========== */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section__head { max-width: 640px; margin-bottom: 3rem; }
.section__lead { color: var(--muted); font-size: 1.1rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.card p { color: var(--muted); font-size: .97rem; margin: 0; }
.card__icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; margin-bottom: 1.2rem; }
.card__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 1000px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }

/* Projects */
.project { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem; align-items: center; }
.project + .project { margin-top: clamp(4rem, 8vw, 6rem); }
.project--flip .project__preview { order: 2; }
.project__preview {
  display: block; text-decoration: none; border-radius: calc(var(--radius) + 6px); padding: clamp(1.2rem, 3vw, 2.4rem);
  transition: transform .25s ease;
}
.project__preview:hover { transform: translateY(-4px); }
.project__preview--raise { background: linear-gradient(135deg, #0b6272, #14a3a0); }
.project__preview--atom { background: radial-gradient(circle at 30% 20%, #0f3d2a, #020806 70%); }
.browser { background: #fff; color: #15171c; border-radius: 10px; overflow: hidden; box-shadow: 0 24px 50px -18px rgba(0,0,0,.5); }
.browser .browser__bar { background: #f1f2f4; border-bottom-color: #e3e5e8; }
.browser .browser__bar span { color: #6b7280; }
.browser--dark { background: #050d0a; color: #d8f5e6; }
.browser--dark .browser__bar { background: #0b1712; border-bottom-color: #13261d; }
.browser__body { padding: 1.8rem 1.6rem 2rem; min-height: 230px; }
.mock__title { font-size: 1.6rem; font-weight: 800; letter-spacing: -.03em; margin: 0 0 .2rem; color: #0b6272; }
.mock__title--glow { color: #4ade80; text-shadow: 0 0 18px rgba(74,222,128,.55); font-family: var(--mono); }
.mock__sub { font-size: .92rem; opacity: .75; margin-bottom: 1.3rem; }
.mock__days { display: grid; gap: .55rem; }
.mock__days span { background: #f2f7f8; border: 1px solid #dceaec; border-radius: 8px; padding: .6rem .8rem; font-size: .88rem; }
.mock__days b { color: #0b6272; margin-right: .5rem; }
.mock__btns { display: flex; flex-wrap: wrap; gap: .6rem; }
.mock__btns span { font-size: .82rem; padding: .5rem .9rem; border-radius: 8px; border: 1px solid #1f5a3d; }
.mock__btns span:first-child { background: #4ade80; color: #03140b; border-color: #4ade80; font-weight: 600; }

.project__tag { font: 500 .8rem var(--mono); color: var(--muted); margin-bottom: .6rem; }
.project__info h3 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.project__info > p { color: var(--muted); }
.project__points { margin: 1.2rem 0 1.4rem; display: grid; gap: .5rem; }
.project__points li { padding-left: 1.6rem; position: relative; }
.project__points li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg) translateY(-3px);
}
.link { display: inline-flex; gap: .4rem; font-weight: 600; color: var(--accent); text-decoration: none; margin-top: 1.4rem; }
.link span { transition: transform .15s; }
.link:hover span { transform: translateX(4px); }
@media (max-width: 900px) {
  .project { grid-template-columns: 1fr; gap: 2rem; }
  .project--flip .project__preview { order: 0; }
}

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chips li {
  font: 500 .8rem/1 var(--mono); padding: .5rem .75rem; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
}

/* About */
.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: start; }
.about__text p { color: var(--muted); }
.values { margin-top: 2rem; display: grid; gap: 1rem; }
.values li { padding: 1rem 1.2rem; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 10px 10px 0; color: var(--muted); }
.values strong { color: var(--text); display: block; }
.stack { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; position: sticky; top: 96px; }
.stack h3 { margin-bottom: 1.4rem; }
.stack__group + .stack__group { margin-top: 1.3rem; padding-top: 1.3rem; border-top: 1px solid var(--line); }
.stack__group > p { font: 600 .75rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: .7rem; }
.stack .chips li { background: var(--bg); }
@media (max-width: 900px) { .about { grid-template-columns: 1fr; gap: 2.5rem; } .stack { position: static; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; }
.steps__n { display: block; font: 700 .9rem var(--mono); color: var(--accent); margin-bottom: 1rem; }
.steps p { color: var(--muted); font-size: .97rem; margin: 0; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* Contact */
.contact {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 8px);
  padding: clamp(2rem, 5vw, 4rem); box-shadow: var(--shadow);
}
.contact h2 { max-width: 14em; }
.contact__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 1.4rem; }
.socials { display: flex; gap: 1.4rem; }
.socials a { color: var(--muted); font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--line); }
.socials a:hover { color: var(--text); border-color: var(--text); }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; gap: 2rem; } }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .92rem; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.footer p { margin: 0; }
.footer nav { display: flex; gap: 1.4rem; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }

/* Legal pages */
.legal { padding: clamp(3rem, 7vw, 5rem) 0; }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.legal h2 { font-size: 1.35rem; margin-top: 2.2rem; }
.legal p, .legal li { color: var(--muted); }
.legal ul { list-style: disc; padding-left: 1.3rem; margin-bottom: 1em; }
.legal a { color: var(--accent); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .status__dot { animation: none; }
  * { transition: none !important; }
}