/* ============================================================
   Arshaq Hisham — portfolio
   Theme matches the webcules.com landing app: light surfaces,
   indigo accent, gradient indigo→purple CTAs, deep-indigo
   "space" hero panel, darkest-indigo footer. Righteous display
   + Inter body, mirroring the landing typography.
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --surface: #ffffff;
  --border: #e8eaf0;
  --border-strong: #d6d9e2;
  --text: #101322;
  --muted: #565c6b;
  --faint: #8a90a0;
  --indigo: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-soft: #eef0fe;
  --indigo-deep: #1e1b4b;
  --darkest: #14103a;
  --sky: #0ea5e9;
  --violet: #8b5cf6;
  --grad: linear-gradient(90deg, #6366f1, #a855f7);
  --radius: 16px;
  --shadow-nav: 0 2px 3px -1px rgba(0, 0, 0, 0.1), 0 1px 0 0 rgba(25, 28, 33, 0.02), 0 0 0 1px rgba(25, 28, 33, 0.06);
  --shadow-card: 0 1px 2px rgba(16, 19, 34, 0.05);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: "Righteous", var(--font);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

a { color: var(--indigo-600); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: rgba(99, 102, 241, 0.22); }

/* ---------- type ---------- */
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.015em; margin: 0; }
h1 { font-family: var(--display); font-weight: 400; font-size: clamp(2.7rem, 6.5vw, 4.6rem); letter-spacing: 0.01em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.35rem); font-weight: 800; }
h3 { font-size: 1.12rem; font-weight: 650; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--indigo-600);
  margin: 0 0 14px;
  font-weight: 600;
}

.lede {
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 600;
  color: var(--text);
  margin: 18px 0 0;
}
.lede em { color: var(--indigo-600); font-style: normal; }

.sub {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 660px;
  margin: 16px 0 0;
}
.sub strong { color: var(--text); font-weight: 600; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- floating pill nav ---------- */
.nav-shell {
  position: sticky;
  top: 14px;
  z-index: 50;
  padding: 0 16px;
  margin-top: 14px;
}
.nav-pill {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-nav);
  padding: 9px 10px 9px 18px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 0.95rem; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.nav { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.nav a { color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.active { color: var(--indigo-600); }

.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 10px 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4.5px 0; border-radius: 2px; transition: transform 0.25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  position: relative;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 26px rgba(99, 102, 241, 0.45); }
.btn-dark {
  background: var(--text);
  color: #fff;
}
.btn-dark:hover { background: #000; }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--indigo); color: var(--indigo-600); }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }
/* Landing-style CTA: white pill with a gradient ring — dark text stays crisp */
.btn-ring {
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
  border: 2px solid transparent;
  color: var(--text);
}
.btn-ring:hover { color: var(--indigo-600); }

/* ---------- hero: deep-indigo space panel ---------- */
.hero { padding: 8px 10px 0; }
.hero-shell {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 82% -10%, rgba(99, 102, 241, 0.38), transparent 60%),
    radial-gradient(700px 420px at 8% 108%, rgba(168, 85, 247, 0.22), transparent 62%),
    radial-gradient(2px 2px at 22% 30%, rgba(255,255,255,0.65), transparent 55%),
    radial-gradient(1.5px 1.5px at 68% 18%, rgba(255,255,255,0.5), transparent 55%),
    radial-gradient(2px 2px at 84% 64%, rgba(255,255,255,0.42), transparent 55%),
    radial-gradient(1.5px 1.5px at 38% 78%, rgba(255,255,255,0.45), transparent 55%),
    radial-gradient(1.5px 1.5px at 52% 48%, rgba(255,255,255,0.35), transparent 55%),
    linear-gradient(160deg, #191347 0%, #0d0a2e 55%, #0b0820 100%);
  color: #fff;
}
.hero-shell::before {
  /* faint boxes grid, echoing the landing's background-boxes */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(760px 460px at 62% 38%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(760px 460px at 62% 38%, #000 25%, transparent 78%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  /* same column as .wrap below so hero content lines up with section content */
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) 24px;
}
@media (max-width: 1120px) {
  /* panel is inset 10px from the viewport; pull content back out to line up */
  .hero-inner { margin-inline: -10px; }
}
.hero .eyebrow { color: #a5b4fc; }
.hero h1 { color: #fff; }
.hero .lede { color: #eef0ff; }
.hero .lede em { color: #a5b4fc; }
.hero .sub { color: rgba(226, 229, 255, 0.82); }
.hero .sub strong { color: #fff; font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero .btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.35); color: #fff; }
.hero .btn-ghost:hover { border-color: #a5b4fc; color: #a5b4fc; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  overflow: hidden;
  margin: 56px 0 0;
  backdrop-filter: blur(4px);
}
.hero-stats > div { background: rgba(13, 10, 46, 0.55); padding: 18px 20px; margin: 0; }
.hero-stats dt { font-family: var(--mono); font-size: 1.32rem; font-weight: 700; color: #c7d2fe; }
.hero-stats dd { margin: 4px 0 0; color: rgba(219, 222, 255, 0.75); font-size: 0.85rem; line-height: 1.45; }

/* ---------- sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 700px; margin-bottom: 46px; }
.section-sub { color: var(--muted); margin: 14px 0 0; font-size: 1.03rem; }

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.stack { display: flex; flex-direction: column; gap: 18px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { border-color: var(--indigo); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(63, 63, 158, 0.09); }
.card p { color: var(--muted); margin: 10px 0 0; font-size: 0.95rem; }
.card h3 { margin-bottom: 2px; }

.card-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--indigo-soft);
  color: var(--indigo-600);
  font-size: 1.05rem;
  margin-bottom: 14px;
}

/* ---------- chips (kept to indigo / sky / neutral) ---------- */
.chip-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 28px; }
.chip-label { font-family: var(--mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--faint); margin-right: 4px; font-weight: 600; }
.chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 550;
  border: 1px solid;
}
.chip-indigo { color: var(--indigo-600); border-color: #c9cdfc; background: var(--indigo-soft); }
.chip-sky    { color: #0369a1; border-color: #bae6fd; background: #f0f9ff; }
.chip-neutral{ color: var(--muted); border-color: var(--border-strong); background: var(--surface); }

/* ---------- timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--indigo) 0%, var(--sky) 100%);
  opacity: 0.4;
}
.tl { position: relative; padding: 0 0 36px 40px; }
.tl:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 3px solid var(--bg-soft);
}
.tl-edu  { background: var(--faint); }
.tl-role { background: var(--indigo); }
.tl-proj { background: var(--sky); }
.tl-when { font-family: var(--mono); font-size: 0.8rem; color: var(--indigo-600); letter-spacing: 0.04em; font-weight: 600; }
.tl-body h3 { margin: 4px 0 6px; font-size: 1.05rem; }
.tl-org, .tl-body p { color: var(--muted); margin: 0; font-size: 0.95rem; max-width: 720px; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px !important; }
.tl-tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 2px 8px;
  background: var(--surface);
}
.edu-line { margin: 42px 0 0; padding-top: 24px; border-top: 1px dashed var(--border-strong); color: var(--muted); font-size: 0.92rem; }
.edu-line strong { color: var(--text); }

/* ---------- experience ---------- */
.exp {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 3px solid var(--indigo);
  box-shadow: var(--shadow-card);
}
.exp-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.exp-role { color: var(--muted); margin: 4px 0 0; font-size: 0.92rem; }
.exp-when { font-family: var(--mono); font-size: 0.8rem; color: var(--faint); white-space: nowrap; }
.exp-list { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; }
.exp-list li { color: var(--muted); font-size: 0.95rem; padding-left: 4px; }
.exp-list li::marker { color: var(--indigo); }

/* ---------- projects ---------- */
.project { display: flex; flex-direction: column; border-top: 3px solid var(--indigo); }
.project h3 { font-size: 1.2rem; margin-top: 10px; }
.proj-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.status { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.05em; font-weight: 600; }
.status-live { color: var(--indigo-600); }
.status-personal { color: var(--sky); }
.status-study { color: var(--violet); }
.status-proto { color: var(--faint); }
.status-plain { font-size: 0.85rem; color: var(--faint); }
.status-link { font-size: 0.85rem; }
.proj-sub { color: var(--muted); margin: 8px 0 14px !important; font-size: 0.94rem; }
.proj-list { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 7px; }
.proj-list li { color: var(--muted); font-size: 0.92rem; padding-left: 4px; }
.proj-list li::marker { color: var(--indigo); }
.proj-list strong { color: var(--text); font-weight: 600; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0 !important; }
.proj-tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 3px 9px;
  background: var(--surface);
}
.project-wide { grid-column: 1 / -1; border-top-color: var(--sky); }

/* ---------- skills ---------- */
.skill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.skill:hover { border-color: var(--indigo); transform: translateY(-2px); }
.skill h3 { font-size: 0.98rem; margin-bottom: 8px; }
.skill h3::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--grad);
  margin-right: 8px;
  vertical-align: 2px;
}
.skill p { color: var(--muted); margin: 0; font-size: 0.88rem; line-height: 1.55; }

.tech-cloud { margin-top: 34px; padding: 22px 26px; border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface); }
.tech-cloud p { color: var(--muted); font-size: 0.9rem; line-height: 1.9; margin: 8px 0 0; }

/* ---------- graph cta ---------- */
.graph-cta { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.graph-copy p { color: var(--muted); margin: 0 0 14px; max-width: 460px; }
.graph-hint { font-family: var(--mono); font-size: 0.8rem; color: var(--faint); }
.graph-preview {
  display: block;
  background: var(--indigo-deep);
  background-image:
    radial-gradient(420px 240px at 80% 0%, rgba(99, 102, 241, 0.35), transparent 60%),
    linear-gradient(160deg, #1e1b4b, #0d0a2e);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.graph-preview:hover {
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 18px 50px rgba(30, 27, 75, 0.35);
}
.graph-preview svg { display: block; width: 100%; height: auto; }

/* ---------- contact ---------- */
.contact { text-align: center; }
.contact .section-sub { margin-left: auto; margin-right: auto; }
.contact-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }
.contact-meta { color: var(--faint); font-size: 0.88rem; margin-top: 26px; }

/* ---------- footer (darkest indigo, like the landing) ---------- */
.site-footer {
  background: var(--darkest);
  color: #94a3b8;
  margin: 0 10px 10px;
  border-radius: 28px;
  overflow: hidden;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
.footer-brand .tagline { margin: 0; font-size: 0.95rem; line-height: 1.6; }
.powered {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #e2e8f0;
  font-size: 0.95rem;
}
.powered:hover { text-decoration: none; color: #fff; }
.powered img { height: 26px; width: auto; display: block; }
.powered .pw-name { font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.02em; }
.powered .pw-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: #94a3b8; display: block; font-family: var(--mono); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.footer-links a { color: #cbd5e1; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-fine { border-top: 1px solid rgba(148, 163, 184, 0.18); }
.footer-fine-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #7c869b;
}
.footer-fine p { margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .graph-cta { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .nav-shell { top: 10px; }
  .nav-pill { gap: 10px; padding-left: 14px; }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(16, 19, 34, 0.14);
    padding: 8px 18px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.98rem; }
  .nav a:last-child { border-bottom: 0; margin: 8px 0 4px; text-align: center; }
  .nav-toggle { display: block; }

  .exp { padding: 22px; }
  .exp-head { flex-direction: column; gap: 2px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 460px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero-stats > div { padding: 14px 16px; }
  .hero-inner { padding: 52px 20px; }
}