/* ==========================================================================
   Amol Shinde — Portfolio  ·  Design System
   Dark-first, data-platform inspired. No frameworks, no dependencies.
   ========================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent-soft); color: var(--text); }

/* ---------- Tokens ---------- */
:root {
  --accent: #2ec4b6;
  --accent-strong: #24a89c;
  --accent-soft: rgba(46, 196, 182, .16);
  --accent-line: rgba(46, 196, 182, .38);

  --ink-900: #e8eef7;
  --ink-600: #9fb0c7;
  --ink-400: #6d7f99;
  --navy-950: #070c16;
  --navy-900: #0a1524;
  --navy-850: #0d1a2d;
  --navy-800: #122238;
  --navy-700: #1a2f4b;

  --bg: var(--navy-950);
  --bg-soft: var(--navy-900);
  --surface: var(--navy-850);
  --surface-raised: var(--navy-800);
  --border: rgba(159, 176, 199, .14);
  --border-strong: rgba(159, 176, 199, .26);

  --text: var(--ink-900);
  --muted: var(--ink-600);
  --faint: var(--ink-400);

  --shadow-sm: 0 2px 8px rgba(2, 8, 20, .35);
  --shadow-md: 0 14px 34px rgba(2, 8, 20, .45);
  --shadow-lg: 0 24px 64px rgba(2, 8, 20, .55);
  --glow: 0 0 0 1px var(--accent-line), 0 18px 48px rgba(46, 196, 182, .13);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --container: 1160px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 72px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

[data-theme="light"] {
  --bg: #f5f8fc;
  --bg-soft: #eef2f9;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --border: rgba(13, 27, 46, .1);
  --border-strong: rgba(13, 27, 46, .18);
  --text: #0d1b2e;
  --muted: #4c5d77;
  --faint: #5d7190;
  --accent-soft: rgba(36, 168, 156, .12);
  --shadow-sm: 0 2px 8px rgba(13, 27, 46, .06);
  --shadow-md: 0 14px 34px rgba(13, 27, 46, .09);
  --shadow-lg: 0 24px 64px rgba(13, 27, 46, .12);
  --glow: 0 0 0 1px var(--accent-line), 0 18px 44px rgba(36, 168, 156, .16);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { text-wrap: pretty; }
.grad-text {
  background: linear-gradient(92deg, var(--accent) 0%, #6ee7dd 60%, #9db8ff 110%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Layout helpers ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
/* Keep anchored section headings clear of the fixed header when jump-linking */
[id] { scroll-margin-top: calc(var(--header-h) + 1.25rem); }
.section { padding-block: clamp(4.5rem, 9vw, 7.5rem); position: relative; }
.section-alt { background: var(--bg-soft); border-block: 1px solid var(--border); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }
.section-head p { color: var(--muted); margin-top: .9rem; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .8rem 1.6rem; border-radius: 999px;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
              background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #05221f; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: #3ad9c9; box-shadow: var(--glow); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 50; height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 800; color: var(--text); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-950));
  border: 1px solid var(--accent-line); color: var(--accent);
  font-size: .95rem; font-weight: 800; letter-spacing: 0;
}
[data-theme="light"] .brand-mark { background: linear-gradient(135deg, #0d1a2d, #070c16); }
.site-nav ul { display: flex; gap: .35rem; }
.site-nav a {
  display: inline-block; padding: .5rem .85rem; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: .93rem;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: .6rem; }

.theme-toggle, .nav-toggle {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--border-strong); color: var(--muted);
  transition: color .2s, border-color .2s, transform .2s var(--ease);
}
.theme-toggle:hover, .nav-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle:active { transform: scale(.92); }
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
.nav-toggle { display: none; }
/* Hamburger morphs to X when the menu is open */
.nav-toggle svg path { transform-box: fill-box; transform-origin: center; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] svg path:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] svg path:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] svg path:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: var(--header-h) 0 auto 0; z-index: 49;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
  padding: 1rem var(--gutter) 1.5rem;
  transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
  transition: transform .25s var(--ease), opacity .25s var(--ease), visibility .25s;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-menu ul { display: grid; gap: .25rem; }
.mobile-menu a {
  display: block; padding: .8rem 1rem; border-radius: var(--radius-sm);
  color: var(--text); font-weight: 600;
}
.mobile-menu a:hover, .mobile-menu a[aria-current="page"] { background: var(--accent-soft); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  background:
    radial-gradient(58rem 30rem at 82% -10%, rgba(46, 196, 182, .14), transparent 62%),
    radial-gradient(40rem 26rem at -12% 24%, rgba(109, 127, 255, .1), transparent 60%),
    var(--navy-950);
  color: var(--ink-900);
  border-bottom: 1px solid var(--border);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(159, 176, 199, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 176, 199, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(60rem 34rem at 70% 8%, #000 0%, transparent 68%);
  mask-image: radial-gradient(60rem 34rem at 70% 8%, #000 0%, transparent 68%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .82rem; font-weight: 600; color: var(--ink-600);
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: .42rem 1rem; margin-bottom: 1.4rem; background: rgba(13, 26, 45, .5);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.hero h1 { margin-bottom: 1.1rem; }
.hero .role-line { font-size: clamp(1.05rem, 2vw, 1.3rem); font-weight: 600; color: var(--ink-900); margin-bottom: 1rem; }
.hero .lede { color: var(--ink-600); max-width: 34rem; font-size: 1.05rem; margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.2rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1.4rem; color: var(--ink-600); font-size: .92rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: .45rem; }
.hero-meta svg { color: var(--accent); }
/* Hero keeps its dark stage in light mode — pin ghost buttons & badge to the dark palette */
.hero .btn-ghost { color: var(--ink-900); border-color: rgba(159, 176, 199, .32); }
.hero .btn-ghost:hover { color: #6ee7dd; border-color: var(--accent); }
.hero-badge { border-color: rgba(159, 176, 199, .28); }

/* Portrait + code panel */
.hero-visual { position: relative; }
.portrait-card {
  position: relative; max-width: 400px; margin-inline: auto;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg);
}
.portrait-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.portrait-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(7, 12, 22, .88)); }
.portrait-caption { position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1.1rem; z-index: 1; }
.portrait-caption strong { display: block; font-size: 1rem; }
.portrait-caption span { color: var(--ink-600); font-size: .85rem; }
.code-panel {
  position: absolute; bottom: -1.75rem; right: clamp(-1rem, 1vw, 0rem); z-index: 2;
  width: min(300px, 88%); border-radius: var(--radius);
  background: rgba(7, 12, 22, .92); border: 1px solid var(--accent-line);
  box-shadow: var(--shadow-md); overflow: hidden;
  font-family: "Cascadia Code", "Consolas", "JetBrains Mono", monospace;
  font-size: .78rem; line-height: 1.75;
}
.code-panel .bar { display: flex; gap: .35rem; padding: .6rem .9rem; border-bottom: 1px solid rgba(159, 176, 199, .12); }
.code-panel .bar i { width: 9px; height: 9px; border-radius: 50%; background: #2c3e5d; }
.code-panel .bar i:first-child { background: var(--accent); }
.code-panel pre { margin: 0; padding: .9rem 1rem 1.1rem; overflow: hidden; }
.code-panel .tk { color: var(--ink-400); }
.code-panel .k { color: #7dd3fc; }
.code-panel .s { color: #6ee7dd; }
.code-panel .c { color: #55688a; }

/* ---------- Stats bar ---------- */
.stats-band { border-bottom: 1px solid var(--border); background: var(--bg); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border-inline: 1px solid var(--border); }
.stat { background: var(--bg); padding: 2rem 1.4rem; text-align: center; }
.stat .num { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 800; color: var(--text); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .num em { font-style: normal; color: var(--accent); }
.stat .lbl { color: var(--muted); font-size: .9rem; margin-top: .25rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2.5rem, 6vw, 4.5rem); align-items: start; }
.about-copy p { color: var(--muted); margin-bottom: 1.1rem; }
.about-copy strong { color: var(--text); }
.about-points { display: grid; gap: .8rem; margin-top: 1.6rem; }
.about-points li { display: flex; gap: .8rem; align-items: flex-start; color: var(--muted); }
.about-points svg { flex: none; margin-top: .3rem; color: var(--accent); }
.info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.9rem; box-shadow: var(--shadow-sm);
}
.info-card h3 { margin-bottom: 1.3rem; font-size: 1.05rem; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); }
.info-rows { display: grid; gap: 1.05rem; }
.info-rows .row { display: flex; gap: .9rem; align-items: flex-start; }
.info-rows .row b { display: block; margin-bottom: .15rem; }
.info-rows .row span { color: var(--muted); font-size: .88rem; }
.info-rows a { color: var(--text); font-weight: 600; }
.info-rows a:hover { color: var(--accent); }

/* ---------- Expertise ---------- */
.exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.4rem; }
.exp-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.9rem; position: relative; overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.exp-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: linear-gradient(var(--accent), transparent); opacity: 0;
  transition: opacity .25s var(--ease);
}
.exp-card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: var(--shadow-md); }
.exp-card:hover::before { opacity: 1; }
.exp-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 1.2rem;
}
.exp-card h3 { font-size: 1.12rem; margin-bottom: .8rem; }
.exp-card ul { display: grid; gap: .4rem; }
.exp-card li { color: var(--muted); font-size: .93rem; display: flex; gap: .55rem; }
.exp-card li::before { content: "—"; color: var(--accent); flex: none; }

/* ---------- Ecosystem marquee ---------- */
.eco-band { border-block: 1px solid var(--border); background: var(--bg-soft); padding-block: 2.6rem; overflow: hidden; }
.marquee { -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 3.2rem; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee li { display: inline-flex; align-items: center; gap: .7rem; color: var(--muted); font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.marquee li svg { color: var(--accent); opacity: .85; }

/* ---------- Impact ---------- */
.impact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.4rem; }
.impact-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 2.1rem 1.9rem; position: relative;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.impact-card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: var(--shadow-md); }
.impact-card .big {
  font-size: clamp(2.4rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em;
  color: var(--text); font-variant-numeric: tabular-nums; line-height: 1.1;
}
.impact-card .big em { font-style: normal; color: var(--accent); }
.impact-card h3 { margin-top: .6rem; font-size: 1.05rem; }
.impact-card p { color: var(--muted); font-size: .92rem; margin-top: .5rem; }

/* ---------- Contact strip ---------- */
.contact-strip { position: relative; overflow: hidden; border-top: 1px solid var(--border); }
.contact-inner { position: relative; z-index: 1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.contact-inner h2 { max-width: 30rem; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .9rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--ink-600); border-top: 1px solid var(--border); padding-block: 2.6rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.4rem; }
.footer-brand { display: flex; align-items: center; gap: .65rem; color: var(--ink-900); font-weight: 800; }
.footer-brand .brand-mark { width: 30px; height: 30px; font-size: .85rem; }
.footer-links { display: flex; gap: 1.4rem; font-size: .92rem; }
.footer-links a { color: var(--ink-600); }
.footer-links a:hover { color: var(--accent); }
.footer-meta { width: 100%; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; border-top: 1px solid rgba(159, 176, 199, .1); padding-top: 1.4rem; font-size: .85rem; }
.footer-meta a { color: var(--ink-600); }
.footer-meta a:hover { color: var(--accent); }

/* ---------- Page head (contact) ---------- */
.page-head {
  padding: calc(var(--header-h) + clamp(3rem, 7vw, 5rem)) 0 clamp(2.5rem, 5vw, 4rem);
  background:
    radial-gradient(50rem 26rem at 78% -20%, rgba(46, 196, 182, .13), transparent 60%),
    var(--navy-950); color: var(--ink-900); border-bottom: 1px solid var(--border);
}
.breadcrumb { display: flex; gap: .5rem; font-size: .88rem; color: var(--ink-600); margin-top: .9rem; }
.breadcrumb a { color: var(--ink-600); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--ink-400); }
.breadcrumb [aria-current] { color: var(--accent); font-weight: 600; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-cards { display: grid; gap: 1.1rem; }
.contact-card {
  display: flex; gap: 1.1rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem 1.5rem;
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}
.contact-card:hover { transform: translateY(-2px); border-color: var(--accent-line); }
.contact-card .exp-icon { width: 42px; height: 42px; margin: 0; }
.contact-card b { display: block; font-size: .98rem; }
.contact-card span, .contact-card a.sub { color: var(--muted); font-size: .88rem; }
.contact-card a.main { color: var(--text); font-weight: 700; }
.contact-card a.main:hover { color: var(--accent); }

.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(1.6rem, 3vw, 2.4rem); box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field { display: grid; gap: .45rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 600; color: var(--text); }
.field label span { color: var(--accent); }
.field input, .field textarea {
  width: 100%; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--bg-soft);
  padding: .8rem 1rem; color: var(--text);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
[data-theme="light"] .field input, [data-theme="light"] .field textarea { background: #f7fafd; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.field textarea { resize: vertical; min-height: 150px; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.4rem; }
.form-note { font-size: .84rem; color: var(--faint); }
.form-status { margin-top: 1rem; font-size: .92rem; color: var(--accent); font-weight: 600; min-height: 1.4em; }
[data-theme="light"] .form-status { color: #0e7466; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin-inline: auto; width: 100%; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .site-nav { display: none; }
  .nav-toggle { display: grid; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero-ctas .btn { flex: 1 1 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .code-panel { position: static; width: 100%; margin-top: 1.2rem; }
}
@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ---------- Self-hosted fonts ---------- */
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/PlusJakartaSans-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/PlusJakartaSans-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal; font-weight: 800; font-display: swap;
  src: url("../fonts/PlusJakartaSans-ExtraBold.woff2") format("woff2");
}

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed; top: -100%; left: 1rem; z-index: 100;
  background: var(--accent); color: #05221f; font-weight: 700;
  padding: .7rem 1.2rem; border-radius: 0 0 10px 10px;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; text-decoration: none; }