/* ============================================================
   Zahra Abbasi — Personal brand site
   Modern, minimal, dark, responsive. No CDN dependencies.
   System fonts + Persian fallbacks. RTL/LTR aware.
   ============================================================ */

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Vazirmatn";
  src: url("../fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/Inter Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/Inter Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/Inter SemiBold.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/Inter Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0b0d10;
  --bg-soft: #101317;
  --surface: #14181d;
  --surface-2: #1a1f26;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e8eaed;
  --text-dim: #9aa3ad;
  --text-faint: #6b7480;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --accent-ink: #06222e;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --max-w: 1160px;
  --header-h: 72px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-fa: "Vazirmatn", sans-serif;
  --font-en: "Inter", sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-en);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

html[dir="rtl"] body {
  font-family: var(--font-fa);
}

html[dir="ltr"] body {
  font-family: var(--font-en);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.6em; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.3rem); }
p { margin: 0 0 1em; }
em { font-style: normal; color: var(--accent); }

::selection { background: var(--accent-strong); color: var(--accent-ink); }

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  top: -48px;
  inset-inline-start: 16px;
  z-index: 100;
  background: var(--accent-strong);
  color: var(--accent-ink);
  padding: 10px 16px;
  border-radius: var(--radius-s);
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* Direction-specific tuning */
html[dir="rtl"] body { letter-spacing: 0; }
html[dir="ltr"] body { letter-spacing: -0.01em; }
html[dir="ltr"] .eyebrow,
html[dir="ltr"] .tag,
html[dir="ltr"] .card-label { letter-spacing: 0.18em; text-transform: uppercase; }

/* Noise overlay */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  background:
    radial-gradient(circle at 20% 10%, rgba(125, 211, 252, 0.06), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(125, 211, 252, 0.04), transparent 40%);
}

/* ---------- Layout ---------- */
.section {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(40px, 5vw, 64px) 24px;
}
.section-heading { margin-bottom: clamp(20px, 3vw, 32px); }
.section-heading.split {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
}
.section-note {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0;
  font-size: 0.95rem;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow span:first-child {
  width: 28px; height: 2px;
  background: var(--accent-strong);
  border-radius: 2px;
  flex: none;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  height: var(--header-h);
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  white-space: nowrap;
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-strong), #2563eb);
  color: #04121a;
  font-weight: 800;
}
.nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.nav a {
  padding: 8px 12px;
  border-radius: var(--radius-s);
  color: var(--text-dim);
  font-size: 0.92rem;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav a:hover, .nav a:focus-visible {
  color: var(--text);
  background: var(--surface);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-toggle {
  min-width: 46px;
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 0.85rem;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.lang-toggle:hover, .lang-toggle:focus-visible {
  background: var(--surface);
  border-color: var(--accent-strong);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); opacity: 0.9; }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.button.primary {
  background: var(--accent-strong);
  color: var(--accent-ink);
}
.button.primary:hover { transform: translateY(-2px); background: var(--accent); }
.button.ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.button.ghost:hover { background: var(--surface); border-color: var(--accent-strong); }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  min-height: auto; 
  padding-top: 24px;
  padding-bottom: 20px;
}
.hero-text { color: var(--text-dim); font-size: 1.08rem; max-width: 54ch; }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-visual {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}
.portrait-frame {
  position: relative;
  z-index: 3;
  width: min(100%, 380px);
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  background: var(--surface);
}
.portrait-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  z-index: 1;
}
.orb-a {
  width: 280px; height: 280px;
  background: rgba(56, 189, 248, 0.35);
  top: -40px; inset-inline-start: -40px;
  animation: float 9s ease-in-out infinite;
}
.orb-b {
  width: 240px; height: 240px;
  background: rgba(37, 99, 235, 0.3);
  bottom: -30px; inset-inline-end: -30px;
  animation: float 11s ease-in-out infinite reverse;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-22px) scale(1.05); }
}
.grid-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at center, #000 30%, transparent 75%);
  opacity: 0.6;
}
.floating-card {
  position: absolute;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 18px;
  background: rgba(20, 24, 29, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow);
  font-size: 0.9rem;
}
.card-top { top: 8%; inset-inline-end: 0; }
.card-bottom { bottom: 6%; inset-inline-start: 0; flex-direction: row; align-items: center; gap: 12px; }
.card-label {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
}
.card-number { color: var(--text-faint); font-size: 0.8rem; }

/* ---------- About ---------- */

.about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 60px);
  align-items: center;
}

.about-content {
  max-width: 65ch;
}

.lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text);
}

.lead strong {
  color: var(--accent);
}

.about-row {
  display: flex;
  align-items: stretch;
  gap: 24px;
  margin: 32px 0;
}

.about-grid {
  flex: 2.2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.about-image-wrapper {
  flex: 1;
  display: flex;
}

.about-image {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-grid > div,
.about-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md, var(--radius-m));
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.about-grid > div:hover,
.about-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.index {
  color: var(--text-faint);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
}

html[dir="rtl"] .about-grid h3,
html[dir="rtl"] .about-grid p {
  text-align: right;
  direction: rtl;
}

html[dir="ltr"] .about-grid h3,
html[dir="ltr"] .about-grid p {
  text-align: left;
  direction: ltr;
}

@media (max-width: 1024px) {
  .about-row {
    flex-direction: column-reverse;
  }
  .about-image-wrapper {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Expertise / skills ---------- */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-group {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
}
.skill-group h3 { color: var(--accent); font-size: 1rem; }
.skill-group li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  color: var(--text-dim);
  font-size: 0.95rem;
}
.skill-group li:last-child { border-bottom: none; }

/* ---------- Experience timeline ---------- */
.exp-list {
  position: relative;
  display: grid;
  gap: 28px;
  max-width: 780px;
}
.exp-list::before {
  content: "";
  position: absolute;
  top: 8px; bottom: 8px;
  inset-inline-start: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-strong), transparent);
  opacity: 0.4;
}
.exp-item {
  position: relative;
  padding-inline-start: 40px;
}
.exp-item::before {
  content: "";
  position: absolute;
  top: 8px;
  inset-inline-start: 0;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent-strong);
}
.exp-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-faint);
  font-size: 0.85rem;
  margin-bottom: 6px;
}
.exp-meta .index { color: var(--accent); }
.exp-body {
  padding: 22px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
}
.exp-body p { margin: 0; color: var(--text-dim); font-size: 0.97rem; }

/* ---------- Selected work ---------- */
.work-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-card {
  position: relative;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.work-card:hover { transform: translateY(-5px); border-color: var(--accent-strong); }
.work-meta {
  display: flex;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.work-card p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }
.work-card .arrow {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent);
  transition: transform 0.25s var(--ease);
}
.work-card:hover .arrow { transform: translate(4px, -4px); }

/* ---------- Thinking / content ---------- */
.thinking { display: block; }
.thinking-intro { max-width: 60ch; margin-bottom: 48px; }
.thinking-intro > p { color: var(--text-dim); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  cursor: default;
}
.placeholder-link {
  color: var(--text-faint);
  cursor: not-allowed;
  font-weight: 600;
}
.insights {
  display: grid;
  gap: 14px;
}
.insight {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.insight:hover { border-color: var(--accent-strong); transform: translateX(var(--shift, 0)); }
html[dir="ltr"] .insight:hover { --shift: 4px; }
html[dir="rtl"] .insight:hover { --shift: -4px; }
.insight > span:first-child { color: var(--text-faint); font-weight: 700; }
.insight .tag {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 0 4px;
}
.insight h3 { margin: 0; font-size: 1.05rem; }
.insight .arrow { margin-inline-start: auto; color: var(--accent); }

/* ---------- Visual break ---------- */
.visual-break {
  position: relative;
  max-width: var(--max-w);
  padding: 0 24px;
  border-radius: var(--radius-l);
}
.visual-break img {
  width: 100%;
  height: clamp(280px, 45vw, 480px);
  object-fit: cover;
  border-radius: var(--radius-l);
  border: 1px solid var(--border-strong);
}
.visual-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  font-weight: 800;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.7);
  background: linear-gradient(to top, rgba(11, 13, 16, 0.85), rgba(11, 13, 16, 0.15));
  border-radius: var(--radius-l);
}
.visual-overlay strong { color: var(--accent); }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact .eyebrow { justify-content: center; }
.contact-copy { color: var(--text-dim); font-size: 1.05rem; }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(1.2rem, 3.5vw, 2rem);
  font-weight: 700;
  direction: ltr;
  color: var(--accent);
  margin: 12px 0 28px;
  word-break: break-all;
  transition: color 0.2s var(--ease);
}
.contact-email:hover { color: var(--text); }
.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
.contact-links li {
  padding: 10px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  direction: ltr;
  font-size: 0.95rem;
}
.contact-links a:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px 24px 40px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.88rem;
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    text-align: start;
  }
  .hero-visual { order: -1; min-height: 340px; }
  .portrait-frame { width: min(100%, 300px); }
  .skill-groups, .work-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .site-header { flex-wrap: wrap; height: auto; padding: 12px 16px; row-gap: 8px; }
  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .nav a { padding: 6px 10px; font-size: 0.85rem; }
  .section { padding: 56px 16px; }
  .visual-break { padding: 0 16px; }
  .section-heading.split { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .skill-groups, .work-list { grid-template-columns: 1fr; }
  .hero-visual { min-height: 300px; }
  .floating-card { font-size: 0.8rem; padding: 10px 14px; }
  .insight { flex-wrap: wrap; }
  .insight .arrow { display: none; }
  .contact-links li { width: 100%; text-align: center; }
  .site-footer { justify-content: center; text-align: center; }
}

img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
}

body {
  -webkit-user-select: none;
  user-select: none;
}

a, button {
  pointer-events: auto;
}