/* sabrul.com — personal portfolio of Sabrul Jamil. v1.0.0
   One stylesheet, self-hosted fonts, zero third-party requests. */

@font-face { font-family: "Space Grotesk"; src: url("../fonts/spacegrotesk-var.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("../fonts/ibmplexsans-var.woff2") format("woff2"); font-weight: 100 700; font-display: swap; }

/* ---- Tokens: both palettes carry the same keys ---------------------------- */
:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --sunk: #ece9e1;
  --ink: #1b1c1e;
  --muted: #55585e;
  --line: #d9d5cb;
  --accent: #0d6656;
  --accent-ink: #ffffff;
  --accent-soft: #dcefe9;
  --shadow: 0 1px 2px rgba(20, 20, 20, .06), 0 8px 24px rgba(20, 20, 20, .06);
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --wrap: 1160px;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121315; --surface: #1a1c1f; --sunk: #0d0e10; --ink: #ecebe7; --muted: #a6a9ae;
    --line: #2c2f33; --accent: #5cc9ae; --accent-ink: #0b1512; --accent-soft: #173029;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121315; --surface: #1a1c1f; --sunk: #0d0e10; --ink: #ecebe7; --muted: #a6a9ae;
  --line: #2c2f33; --accent: #5cc9ae; --accent-ink: #0b1512; --accent-soft: #173029;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

/* ---- Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.65 var(--body); overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4.4rem); font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }
.eyebrow { font: 600 .8rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: block; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 40em; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--surface); padding: .6em 1em; }

/* ---- Buttons --------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; gap: .5em; padding: .85em 1.4em; border-radius: 999px; font: 600 1rem/1 var(--display); text-decoration: none; border: 1.5px solid var(--accent); transition: transform .15s, background .15s; cursor: pointer; }
.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn--ghost:hover { border-color: var(--ink); }

/* ---- Header ---------------------------------------------------------------- */
.site-head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { font: 700 1.15rem/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: -.01em; display: flex; align-items: center; gap: .55em; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: .9rem; }
.nav { display: flex; align-items: center; gap: .25rem; }
.nav a { color: var(--ink); text-decoration: none; padding: .5em .8em; border-radius: 8px; font-weight: 500; font-size: .98rem; }
.nav a:hover { background: var(--sunk); }
.nav .btn { margin-left: .5rem; padding: .65em 1.1em; }
.nav a.btn--solid { color: var(--accent-ink); border-radius: 999px; }
.nav a.btn--solid:hover { background: var(--accent); }
.theme-toggle { background: none; border: 1px solid var(--line); color: var(--ink); width: 38px; height: 38px; border-radius: 50%; cursor: pointer; display: grid; place-items: center; margin-left: .25rem; }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: .5em .8em; font: 600 .95rem var(--display); cursor: pointer; }
@media (max-width: 860px) {
  .menu-toggle { display: inline-block; }
  .nav { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--line); padding: .5rem 16px 1rem; display: none; }
  .nav.open { display: flex; }
  .nav .btn { margin: .5rem 0 0; justify-content: center; }
  .theme-toggle { margin: .5rem 0 0; }
}

/* ---- Hero ------------------------------------------------------------------ */
.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 2.5rem; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.25rem; padding: 0; list-style: none; }
.hero-tags li { font-size: .9rem; padding: .4em .9em; border-radius: 999px; background: var(--sunk); color: var(--muted); }
.hero-photo { margin-top: 1rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 16 / 5; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 640px) { .hero-photo { aspect-ratio: 16 / 9; } }

/* ---- Sections -------------------------------------------------------------- */
section { scroll-margin-top: 72px; }
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--sunk { background: var(--sunk); }
.section-head { max-width: 46em; margin-bottom: 2.5rem; }

/* Services */
.services { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; }
.card-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 1.1rem; }
.card-icon svg { width: 24px; height: 24px; }
.card p { color: var(--muted); }
.ticks { list-style: none; margin: auto 0 0; padding: .5rem 0 0; border-top: 1px solid var(--line); }
.ticks li { position: relative; padding-inline-start: 1.4rem; margin-top: .5rem; font-size: .95rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: .55rem; height: .3rem; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* Case studies */
.case { display: grid; gap: 2rem; padding: 2.5rem 0; border-top: 1px solid var(--line); }
.case:first-of-type { border-top: 0; padding-top: 0; }
@media (min-width: 900px) { .case { grid-template-columns: 5fr 7fr; gap: 3.5rem; } }
.case-kicker { font: 600 .8rem/1 var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .75rem; display: block; }
.case h3 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin: 1.5rem 0 0; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .9rem; }
.stat b { display: block; font: 600 1.6rem/1.1 var(--display); color: var(--accent); }
.stat span { font-size: .85rem; color: var(--muted); line-height: 1.35; display: block; margin-top: .25rem; }
.feature-list { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); margin: 0; padding: 0; list-style: none; }
.feature-list li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.2rem; }
.feature-list b { display: block; font-family: var(--display); margin-bottom: .25rem; }
.feature-list span { color: var(--muted); font-size: .95rem; }
.stack { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 1.25rem 0 0; list-style: none; }
.stack li { font-size: .8rem; font-weight: 500; padding: .3em .7em; border-radius: 6px; border: 1px solid var(--line); color: var(--muted); }

/* Photography */
.gallery { display: grid; gap: .75rem; grid-template-columns: repeat(6, 1fr); grid-auto-rows: clamp(120px, 15vw, 190px); grid-auto-flow: dense; }
.gallery figure { margin: 0; border-radius: 10px; overflow: hidden; background: var(--sunk); position: relative; grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery figure:hover img { transform: scale(1.03); }
.gallery figcaption { position: absolute; left: .6rem; bottom: .6rem; font-size: .78rem; font-weight: 500; padding: .25em .6em; border-radius: 6px; background: rgba(15, 15, 15, .62); color: #fff; }
.g-4 { grid-column: span 4; }
.g-3 { grid-column: span 3; }
.g-2 { grid-column: span 2; }
@media (max-width: 720px) {
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 31vw; }
  .g-4 { grid-column: span 2; }
  .g-3, .g-2 { grid-column: span 1; }
}
.photo-split { display: grid; gap: 2rem; margin-top: 3rem; }
@media (min-width: 900px) { .photo-split { grid-template-columns: 1fr 1fr; gap: 3.5rem; } }
.uses { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; padding: 0; margin: 0; list-style: none; }
.uses li { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; font-size: .95rem; }
.uses b { display: block; font-family: var(--display); }
.uses span { color: var(--muted); font-size: .88rem; }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); padding: 0; margin: 0; list-style: none; }
.steps li { counter-increment: step; border-top: 2px solid var(--accent); padding-top: 1rem; }
.steps li::before { content: "0" counter(step); font: 600 .9rem/1 var(--display); color: var(--accent); display: block; margin-bottom: .6rem; letter-spacing: .08em; }
.steps b { display: block; font: 600 1.1rem/1.3 var(--display); margin-bottom: .35rem; }
.steps span { color: var(--muted); font-size: .97rem; }

/* About */
.about { display: grid; gap: 2rem; }
@media (min-width: 900px) { .about { grid-template-columns: 7fr 5fr; gap: 4rem; align-items: start; } }
.principles { display: grid; gap: .75rem; padding: 0; margin: 0; list-style: none; }
.principles li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem; }
.principles b { font-family: var(--display); display: block; }
.principles span { color: var(--muted); font-size: .95rem; }

/* Contact */
.contact { display: grid; gap: 2.5rem; }
@media (min-width: 900px) { .contact { grid-template-columns: 5fr 7fr; gap: 4rem; } }
.contact-direct { font: 600 clamp(1.2rem, 2.4vw, 1.6rem)/1.2 var(--display); word-break: break-word; }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); display: grid; gap: 1rem; }
.form .row { display: grid; gap: 1rem; }
@media (min-width: 600px) { .form .row { grid-template-columns: 1fr 1fr; } }
.form label { display: grid; gap: .35rem; font-size: .92rem; font-weight: 500; }
.form input, .form select, .form textarea { font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .7em .85em; width: 100%; }
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.form .hp { position: absolute; left: -9999px; }
.form-note { font-size: .85rem; color: var(--muted); margin: 0; }
.form-status { font-size: .95rem; margin: 0; min-height: 1.4em; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; font-size: .92rem; color: var(--muted); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.site-foot a { color: var(--muted); }

/* Reveal: content is fully visible without JS; motion only once .js is set */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }