/* =============================================================
   Muhammad Owais Ahmed — Portfolio
   Design system: "Precision / Editorial-Tech"
   Dark-first · signature amber · Bricolage / Hanken / JetBrains Mono
   ============================================================= */

/* ---------- Self-hosted variable fonts (latin subset) ---------- */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url("/assets/fonts/bricolage.woff2?v=1") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/hanken.woff2?v=1") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url("/assets/fonts/jetbrainsmono.woff2?v=1") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Design Tokens ---------- */
:root {
  /* Type families */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Fluid type scale */
  --fs-eyebrow: 0.78rem;
  --fs-small: 0.9rem;
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --fs-lead: clamp(1.15rem, 1.05rem + 0.55vw, 1.4rem);
  --fs-h4: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --fs-h3: clamp(1.35rem, 1.15rem + 1vw, 1.9rem);
  --fs-h2: clamp(2rem, 1.5rem + 2.4vw, 3.4rem);
  --fs-display: clamp(2.7rem, 1.5rem + 5.6vw, 6rem);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --container: 1200px;
  --container-narrow: 820px;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.5s;

  /* Layout */
  --nav-h: 72px;
}

/* ---------- Dark theme (default) ---------- */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0b0d;
  --bg-2: #0e0e11;
  --surface: #141418;
  --surface-2: #1a1a20;
  --surface-hover: #1f1f26;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #edeae3;
  --text-muted: #a8a39a;
  --text-faint: #928d83;
  --accent: #e2674a; /* warm terracotta / coral */
  --accent-text: #f0896b; /* brighter coral tuned for small text on dark (>= 4.5:1) */
  --accent-bright: #ef8266;
  --accent-deep: #c14e34;
  --accent-soft: rgba(226, 103, 74, 0.14);
  --accent-line: rgba(226, 103, 74, 0.32);
  --accent-ink: #1c0a05;
  --glow: rgba(226, 103, 74, 0.17);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 18px 40px -20px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 40px 80px -30px rgba(0, 0, 0, 0.85);
  --grid-line: rgba(255, 255, 255, 0.028);
}

/* ---------- Light theme ---------- */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f1ea;
  --bg-2: #efeae1;
  --surface: #fbfaf6;
  --surface-2: #f6f3ec;
  --surface-hover: #f2eee4;
  --border: rgba(26, 22, 15, 0.12);
  --border-strong: rgba(26, 22, 15, 0.22);
  --text: #201d18;
  --text-muted: #5b554b;
  --text-faint: #6d675c;
  --accent: #c14e34; /* deep terracotta for buttons/large text on paper */
  --accent-text: #a83f28; /* darker terracotta for small text on paper (>= 4.5:1) */
  --accent-bright: #d2693f;
  --accent-deep: #9a3820;
  --accent-soft: rgba(193, 78, 52, 0.1);
  --accent-line: rgba(193, 78, 52, 0.32);
  --accent-ink: #fff5ef;
  --glow: rgba(193, 78, 52, 0.13);
  --shadow-sm: 0 1px 2px rgba(60, 45, 20, 0.08);
  --shadow-md: 0 18px 40px -24px rgba(60, 45, 20, 0.28);
  --shadow-lg: 0 40px 80px -34px rgba(60, 45, 20, 0.3);
  --grid-line: rgba(26, 22, 15, 0.035);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden; /* contain the off-canvas mobile drawer so it never adds horizontal scroll */
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* clip (not hidden) so body does NOT become a second scroll container —
     prevents the double vertical scrollbar while still containing the drawer */
  overflow-x: hidden;
  overflow-x: clip;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}
img,
svg,
picture { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
input,
textarea { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}
::selection { background: var(--accent); color: var(--accent-ink); }

/* Screen-reader-only + skip link */
.sr-only {
  position: absolute;
  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: 10px;
  left: 10px;
  z-index: 200;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  padding: 0.7em 1.1em;
  border-radius: var(--r-sm);
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus-visible { transform: none; outline-offset: 2px; }

/* Scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 999px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ---------- Atmosphere: grain + grid ---------- */
body::before {
  /* fine dotted grid */
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  /* subtle film grain (single small tile, composited once) */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 5vw, 3rem);
  position: relative;
  z-index: 1;
}
main { position: relative; z-index: 1; }
.section { padding-block: clamp(4rem, 9vw, 8rem); position: relative; }

/* ---------- Typography helpers ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-text);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent-line);
}
.section-head { margin-bottom: clamp(2.2rem, 4vw, 3.6rem); max-width: 720px; }
.section-title { font-size: var(--fs-h2); margin-top: var(--space-4); }
.section-intro {
  margin-top: var(--space-4);
  color: var(--text-muted);
  font-size: var(--fs-lead);
  max-width: 60ch;
  line-height: 1.6;
}
.accent { color: var(--accent-text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 0.85em 1.5em;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background-color 0.3s var(--ease),
    border-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 8px 24px -10px var(--glow);
}
.btn--primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -12px var(--glow);
}
.btn--ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  background: var(--accent-soft);
}
.btn--sm { padding: 0.6em 1.1em; font-size: 0.85rem; }
.btn--block { width: 100%; }

/* icon button */
.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease),
    background-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.icon-btn svg { width: 19px; height: 19px; }
.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ---------- Tag / chip ---------- */
.tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.35em 0.75em;
  border-radius: var(--r-sm);
  background: var(--surface);
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.tag--accent { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

/* ---------- Card base ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: relative;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease),
    background-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

/* ---------- Scroll progress bar (native scroll-timeline, no JS) ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 200;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  pointer-events: none;
}
@supports (animation-timeline: scroll()) {
  .scroll-progress {
    animation: scaleProgress linear both;
    animation-timeline: scroll(root);
  }
  @keyframes scaleProgress { to { transform: scaleX(1); } }
}

/* =============================================================
   NAVIGATION
   ============================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav--scrolled {
  background: var(--bg-2); /* solid fallback for engines without color-mix */
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom-color: var(--border);
}
/* Only apply the (expensive) blur where it's cheap and supported */
@supports (backdrop-filter: blur(1px)) {
  @media (min-width: 861px) and (pointer: fine) {
    .nav--scrolled {
      background: color-mix(in srgb, var(--bg) 70%, transparent);
      backdrop-filter: blur(10px) saturate(130%);
      -webkit-backdrop-filter: blur(10px) saturate(130%);
    }
  }
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: -0.03em;
  font-family: var(--font-display);
  box-shadow: 0 6px 18px -8px var(--glow);
}
.brand__dot { color: var(--accent); }
.brand__name { letter-spacing: -0.01em; }
.brand__hl { color: var(--accent-text); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.6vw, 1.6rem);
}
.nav__link {
  position: relative;
  font-size: 0.92rem;
  color: var(--text-muted);
  padding: 0.4em 0;
  transition: color 0.3s var(--ease);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--accent-text); }

.nav__actions { display: flex; align-items: center; gap: 0.6rem; }

/* theme toggle */
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle svg { transition: transform 0.5s var(--ease), opacity 0.3s var(--ease); }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* mobile toggler */
.nav__burger { display: none; width: 42px; height: 42px; border-radius: var(--r-pill); border: 1px solid var(--border); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav__burger span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.35s var(--ease), opacity 0.3s var(--ease); }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(2rem, 6vw, 4.5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  max-width: 780px;
  max-height: 780px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.45em 0.9em;
  border-radius: var(--r-pill);
  margin-bottom: var(--space-5);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #46d17f;
  box-shadow: 0 0 0 0 rgba(70, 209, 127, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(70, 209, 127, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(70, 209, 127, 0); }
  100% { box-shadow: 0 0 0 0 rgba(70, 209, 127, 0); }
}
.hero__title {
  font-size: var(--fs-display);
  letter-spacing: -0.035em;
  margin-bottom: var(--space-4);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .accent { color: var(--accent); }
.hero__roles {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 0.9rem + 0.6vw, 1.35rem);
  color: var(--text);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: 0.6em;
  min-height: 1.6em;
}
.hero__roles .prompt { color: var(--accent-text); }
.hero__role-text { border-right: 2px solid var(--accent); padding-right: 3px; }
.hero__lead {
  font-size: var(--fs-lead);
  color: var(--text-muted);
  max-width: 54ch;
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.hero__lead strong { color: var(--text); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.hero__socials { display: flex; gap: 0.5rem; margin-left: 0.3rem; }

/* portrait */
.hero__portrait { position: relative; justify-self: center; width: 100%; max-width: 360px; }
.portrait-frame {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 10px;
  background:
    conic-gradient(from 210deg, var(--accent), transparent 45%, transparent 70%, var(--accent-deep));
  box-shadow: var(--shadow-lg);
}
.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bg);
}
.portrait-frame img {
  position: relative;
  border-radius: 50%;
  width: 100%;
  height: auto; /* override the img height attribute so aspect-ratio keeps it a perfect circle */
  aspect-ratio: 1;
  object-fit: cover;
}
.portrait-badge {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.7em 1em;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}
.portrait-badge .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--accent);
  line-height: 1;
}
.portrait-badge .lbl {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 3px;
}
.portrait-badge--tl { top: 4%; left: -8%; }
.portrait-badge--br { bottom: 6%; right: -6%; }

/* hero marquee tech strip */
.tech-marquee {
  position: relative;
  z-index: 1;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-block: 1px solid var(--border);
  padding-block: 1.1rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.tech-marquee__track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.tech-marquee__item {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 3rem;
  white-space: nowrap;
}
.tech-marquee__item::after { content: "◆"; color: var(--accent); font-size: 0.6rem; }
.tech-marquee:hover .tech-marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =============================================================
   ABOUT + STATS
   ============================================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about__body p { color: var(--text-muted); margin-bottom: var(--space-4); }
.about__body p:first-of-type {
  font-size: var(--fs-lead);
  color: var(--text);
  line-height: 1.55;
}
.about__body strong { color: var(--text); font-weight: 600; }
.about__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: var(--space-5);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.stat {
  padding: var(--space-5);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.stat:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.stat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 1.5rem + 1.6vw, 2.8rem);
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat__num .suffix { color: var(--text); font-size: 0.6em; }
.stat__label { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; }

/* =============================================================
   SKILLS
   ============================================================= */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}
.skill-card { padding: clamp(1.4rem, 2.4vw, 1.9rem); }
.skill-card:hover { border-color: var(--accent-line); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.skill-card__head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: var(--space-4);
}
.skill-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-line);
  flex: none;
}
.skill-card__icon svg { width: 22px; height: 22px; }
.skill-card__title { font-size: var(--fs-h4); }
.skill-card__count { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* =============================================================
   EXPERIENCE (timeline)
   ============================================================= */
.timeline { position: relative; display: grid; gap: 1.1rem; }
.exp {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: clamp(1rem, 3vw, 2.4rem);
  padding: clamp(1.5rem, 2.6vw, 2.2rem);
}
.exp:hover { border-color: var(--accent-line); box-shadow: var(--shadow-md); }
.exp__meta { position: relative; }
.exp__period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-text);
  letter-spacing: 0.04em;
  display: inline-block;
  margin-bottom: 0.6rem;
}
.exp__company { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.exp__location { color: var(--text-faint); font-size: 0.82rem; margin-top: 0.25rem; font-family: var(--font-mono); }
.exp__badge {
  display: inline-block;
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.25em 0.6em;
}
.exp__role { font-size: var(--fs-h4); margin-bottom: var(--space-3); color: var(--text); }
.exp__role .at { color: var(--accent-text); }
.exp__points { display: grid; gap: 0.65rem; }
.exp__points li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.55;
}
.exp__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
}
.exp__points strong { color: var(--text); font-weight: 600; }
.exp__stack { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: var(--space-4); }

/* =============================================================
   PROJECTS
   ============================================================= */
.projects__list { display: grid; gap: clamp(1.4rem, 3vw, 2.4rem); }

/* featured case-study project */
.project {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  overflow: hidden;
  padding: 0;
}
.project:hover { border-color: var(--accent-line); box-shadow: var(--shadow-lg); }
.project--reverse .project__media { order: 2; }
.project__media {
  position: relative;
  min-height: 320px;
  background: var(--surface-2);
  overflow: hidden;
}
.project__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.7s var(--ease);
}
.project:hover .project__media img { transform: scale(1.04); }
.project__media--placeholder {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 55%),
    var(--surface-2);
}
.project__ph-icon { width: 64px; height: 64px; color: var(--accent); opacity: 0.85; }
.project__ph-note {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-faint);
  text-align: center;
}
.project__body { padding: clamp(1.6rem, 3vw, 2.6rem); display: flex; flex-direction: column; }
.project__tagrow { display: flex; align-items: center; gap: 0.6rem; margin-bottom: var(--space-4); flex-wrap: wrap; }
.project__type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-text);
}
.project__title { font-size: var(--fs-h3); margin-bottom: var(--space-3); }
.project__desc { color: var(--text-muted); margin-bottom: var(--space-4); }

.project__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem 1.6rem; margin-bottom: var(--space-5); }
.project__col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.project__col ul { display: grid; gap: 0.4rem; }
.project__col li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}
.project__col li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); font-size: 0.75rem; top: 0.15em; }
.project__stack { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: var(--space-5); }
.project__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: auto; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  padding: 4px 0;
  min-height: 24px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), gap 0.3s var(--ease);
}
.link-arrow svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.link-arrow:hover { color: var(--accent-text); border-color: var(--accent); gap: 0.6em; }

/* secondary projects grid */
.projects__more {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.1rem;
  margin-top: 1.1rem;
}
.pcard { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.pcard:hover { border-color: var(--accent-line); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pcard__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s var(--ease);
}
.pcard:hover .pcard__media img { transform: scale(1.05); }
.pcard__media--icon {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 35% 25%, var(--accent-soft), transparent 60%),
    var(--surface-2);
}
.pcard__media--icon svg { width: 54px; height: 54px; color: var(--accent); }
.pcard__body { padding: clamp(1.3rem, 2.4vw, 1.7rem); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.pcard__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.pcard__title { font-size: var(--fs-h4); }
.pcard__type { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-top: 0.2rem; }
.pcard__desc { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.pcard__stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pcard__soon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 24px;
}
.pcard__soon::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }

/* =============================================================
   SERVICES
   ============================================================= */
.services__cta {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 90% 20%, var(--accent-soft), transparent 55%),
    var(--surface);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}
.services__cta p { color: var(--text); font-size: var(--fs-lead); max-width: 40ch; margin: 0; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.1rem;
}
.service { padding: clamp(1.6rem, 2.6vw, 2.1rem); overflow: hidden; }
.service:hover { border-color: var(--accent-line); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-text);
  letter-spacing: 0.1em;
}
.service__icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-line);
  margin: var(--space-4) 0;
}
.service__icon svg { width: 24px; height: 24px; }
.service__title { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.service__desc { color: var(--text-muted); font-size: 0.94rem; margin-bottom: var(--space-4); }
.service__list { display: grid; gap: 0.4rem; }
.service__list li { position: relative; padding-left: 1.3rem; font-size: 0.88rem; color: var(--text-muted); }
.service__list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* =============================================================
   TEACHING
   ============================================================= */
.teaching {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 85% 15%, var(--accent-soft), transparent 45%),
    var(--surface);
}
.teaching__body p { color: var(--text-muted); margin-bottom: var(--space-4); }
.teaching__body strong { color: var(--text); }
.teaching__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.teaching__stat { padding: var(--space-5); border-radius: var(--r-md); border: 1px solid var(--border); background: var(--bg-2); }
.teaching__stat .n { font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--accent); line-height: 1; }
.teaching__stat .l { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.4rem; }

/* =============================================================
   FAQ
   ============================================================= */
.faq { display: grid; gap: 0.8rem; max-width: 820px; }
.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.faq__item[open] { border-color: var(--accent-line); }
.faq__item:hover { border-color: var(--border-strong); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.3rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-h4);
  color: var(--text);
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--r-md); }
.faq__icon { position: relative; width: 18px; height: 18px; flex: none; }
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.faq__icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.faq__icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.faq__item[open] .faq__icon::after { transform: rotate(90deg); opacity: 0; }
.faq__a { padding: 0 1.3rem 1.25rem; color: var(--text-muted); }
.faq__a p { margin: 0; line-height: 1.6; }
.faq__item[open] .faq__a { animation: faqReveal 0.35s var(--ease-out); }
@keyframes faqReveal { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* =============================================================
   CONTACT
   ============================================================= */
.contact__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact__lead { color: var(--text-muted); font-size: var(--fs-lead); margin-bottom: var(--space-6); }
.contact__methods { display: grid; gap: 0.8rem; margin-bottom: var(--space-6); }
.contact__method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.contact__method:hover { border-color: var(--accent-line); transform: translateX(4px); }
.contact__method svg { width: 20px; height: 20px; color: var(--accent); flex: none; }
.contact__method .k { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.contact__method .v { color: var(--text); font-size: 0.95rem; }
.contact__socials { display: flex; gap: 0.6rem; }

/* form */
.form { display: grid; gap: 1.1rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: 0.45rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.field label .req { color: var(--accent-text); }
.field input,
.field textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.85em 1em;
  color: var(--text);
  font-size: 0.98rem;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--text-faint); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field input:user-invalid,
.field textarea:user-invalid { border-color: #d9534f; }
.form__note { font-size: 0.82rem; color: var(--text-faint); font-family: var(--font-mono); }
.form__status { font-size: 0.9rem; min-height: 1.2em; }
.form__status.is-ok { color: #46d17f; }
.form__status.is-err { color: #e5716c; }

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
  position: relative;
  z-index: 1;
  margin-top: var(--space-8);
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-7);
}
.footer__brand { max-width: 340px; }
.footer__brand p { color: var(--text-muted); font-size: 0.92rem; margin-top: var(--space-3); }
.footer__cols { display: flex; gap: clamp(2rem, 6vw, 5rem); flex-wrap: wrap; }
.footer__col h3 { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); margin-bottom: var(--space-4); font-weight: 500; }
.footer__col a { display: flex; align-items: center; color: var(--text-muted); font-size: 0.92rem; min-height: 30px; padding: 0.28em 0; transition: color 0.25s var(--ease), padding-left 0.25s var(--ease); }
.footer__col a:hover { color: var(--accent); padding-left: 5px; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}
.footer__socials { display: flex; gap: 0.5rem; }
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background-color 0.3s var(--ease);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--accent-bright); transform: translateY(-3px); }
.to-top svg { width: 20px; height: 20px; }

/* =============================================================
   SCROLL REVEAL
   ============================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* hero entrance (runs on load) */
.hero [data-enter] {
  opacity: 0;
  transform: translateY(22px);
  animation: enter 0.9s var(--ease-out) forwards;
  animation-delay: var(--enter-delay, 0ms);
}
@keyframes enter { to { opacity: 1; transform: none; } }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1.15fr 0.85fr; gap: 2rem; }
  .exp { grid-template-columns: 180px 1fr; }
  .about__grid { grid-template-columns: 1.2fr 1fr; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(320px, 82vw);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 1.4rem;
    padding: 2rem clamp(1.5rem, 6vw, 2.5rem);
    background: var(--bg-2);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.45s var(--ease), visibility 0.45s var(--ease);
    z-index: 99;
  }
  .nav__links.is-open { transform: none; visibility: visible; box-shadow: var(--shadow-lg); }
  .nav__link { font-size: 1.1rem; }
  .nav__burger { display: flex; }
  .nav-scrim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
    z-index: 98;
  }
  .nav-scrim.is-open { opacity: 1; pointer-events: auto; }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__portrait { order: -1; max-width: 260px; }
  .portrait-badge--tl { left: -2%; }
  .portrait-badge--br { right: -2%; }

  .about__grid { grid-template-columns: 1fr; }
  .project,
  .project--reverse { grid-template-columns: 1fr; }
  .project--reverse .project__media { order: 0; }
  .project__media { min-height: 220px; }
  .exp { grid-template-columns: 1fr; }
  .exp__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; }
  .exp__period { margin-bottom: 0; }
  .exp__badge { margin-top: 0; }
  .teaching { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  :root { --nav-h: 64px; }
  .nav__cta { display: none; } /* burger menu + contact cover this; keeps room for the wordmark */
  .brand { font-size: 0.98rem; }
  .nav__actions { gap: 0.45rem; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { flex: 1 1 auto; }
  .stat-grid { gap: 0.7rem; }
  .project__cols { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .portrait-badge { padding: 0.5em 0.75em; }
  .portrait-badge .num { font-size: 1.1rem; }
  body::before { background-size: 44px 44px; }
}

/* On small phones, collapse the wordmark to just the "O" mark so the nav never
   overflows (the "codewithowais" wordmark in the display face is wide). */
@media (max-width: 480px) {
  .brand__name { display: none; }
}

@media (max-width: 380px) {
  .hero__socials { margin-left: 0; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   REDUCED MOTION
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero [data-enter] { opacity: 1 !important; transform: none !important; animation: none !important; }
  .tech-marquee__track { animation: none !important; }
  .status-dot { animation: none !important; }
  .hero__role-text { border-right: none; }
}

/* print — force a readable light palette regardless of theme */
@media print {
  :root, :root[data-theme="dark"], :root[data-theme="light"] {
    color-scheme: light;
    --bg: #ffffff; --bg-2: #ffffff;
    --surface: #ffffff; --surface-2: #f5f5f5;
    --text: #111111; --text-muted: #333333; --text-faint: #555555;
    --accent: #9a3820; --accent-text: #8a3018;
    --border: rgba(0,0,0,0.2); --border-strong: rgba(0,0,0,0.35);
  }
  body { background: #fff !important; color: #111 !important; }
  .nav, .to-top, .hero__glow, .tech-marquee, .nav-scrim, .skip-link,
  body::before, body::after { display: none !important; }
  .hero { padding-top: 1rem; }
  .card, .stat, .service, .exp, .project, .pcard, .teaching { box-shadow: none !important; break-inside: avoid; }
  a { color: #111 !important; }
}