/* =============================================================================
   پورتفولیو زینب عربنیا — استایل اصلی
   تم: دارک، مدرن، ریسپانسیو (موبایل / تبلت / دسکتاپ) — RTL
   ============================================================================= */

/* ---------- توکن‌ها ---------- */
:root {
  --bg:            #0a0a0d;
  --bg-elev:       #121218;
  --bg-elev-2:     #1a1a22;
  --surface:       #16161d;
  --text:          #f4f4f7;
  --text-muted:    #a2a2ad;
  --text-dim:      #6e6e79;
  --border:        #26262f;
  --border-strong: #35353f;
  --accent:        #e9b44c;   /* طلایی گرم */
  --accent-2:      #8ea2ff;   /* آبی مکمل */
  --accent-ink:    #1a1206;
  --danger:        #ff6b6b;

  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-fa: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
  --font-latin: "Space Grotesk", "Vazirmatn", system-ui, sans-serif;
}

/* ---------- ریست ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  font-family: var(--font-fa);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ---------- لایه‌بندی ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-9);
  position: relative;
}
.section--tight { padding-block: var(--space-8); }

.section__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}
.section__index {
  font-family: var(--font-latin);
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
}
.section__title {
  font-size: clamp(1.6rem, 1rem + 2.6vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.section__sub {
  color: var(--text-muted);
  max-width: 52ch;
  margin-top: var(--space-3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-latin);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}

/* ---------- دکمه‌ها ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              border-color 0.25s var(--ease), color 0.25s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn--accent:hover { background: #f2c46a; border-color: #f2c46a; }
.btn--ghost { color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- هدر ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
              backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.nav__brand {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.nav__brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent);
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__menu a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
  position: relative;
  padding-block: var(--space-2);
}
.nav__menu a:hover { color: var(--text); }
.nav__menu a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease);
}
.nav__menu a:hover::after { transform: scaleX(1); }
.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px; height: 2px;
  background: var(--text);
  transform: translateX(-50%);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav__toggle span { top: 50%; margin-top: -1px; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateX(-50%) rotate(45deg); top: 0; }
.nav__toggle[aria-expanded="true"] span::after { transform: translateX(-50%) rotate(-45deg); top: 0; }

/* ---------- هیرو ---------- */
.hero {
  position: relative;
  padding-block: var(--space-9) var(--space-8);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background:
    radial-gradient(600px 320px at 78% 20%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(560px 320px at 20% 10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-8);
  align-items: center;
}
.hero__name {
  font-size: clamp(2.4rem, 1.2rem + 5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-block: var(--space-4) var(--space-4);
}
.hero__name .grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__role {
  font-size: clamp(1rem, 0.9rem + 0.7vw, 1.3rem);
  color: var(--text-muted);
  max-width: 46ch;
}
.hero__role strong { color: var(--text); font-weight: 600; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.hero__stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-7);
  flex-wrap: wrap;
}
.hero__stat b {
  display: block;
  font-family: var(--font-latin);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
}
.hero__stat span { font-size: 0.85rem; color: var(--text-dim); }

.hero__portrait {
  position: relative;
  justify-self: end;
  width: min(100%, 380px);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 40px 120px -40px rgba(0,0,0,0.8);
}
.hero__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(1.05);
}
.hero__portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.55));
}
.hero__badge {
  position: absolute;
  inset-inline-start: var(--space-4);
  bottom: var(--space-4);
  z-index: 2;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}
.hero__badge .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74,222,128,0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
  70% { box-shadow: 0 0 0 12px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}

/* ---------- مارکی مهارت‌ها ---------- */
.marquee {
  border-block: 1px solid var(--border);
  background: var(--bg-elev);
  overflow: hidden;
  padding-block: var(--space-4);
}
.marquee__track {
  display: flex;
  gap: var(--space-6);
  white-space: nowrap;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-family: var(--font-latin);
  color: var(--text-dim);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.marquee__track span::after { content: "·"; margin-inline-start: var(--space-6); color: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(50%); }
}

/* ---------- درباره ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.about__lead {
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem);
  line-height: 1.9;
}
.about__lead .hl { color: var(--accent); }
.about__list { display: grid; gap: var(--space-4); }
.about__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.about__list li:hover { border-color: var(--border-strong); transform: translateX(-4px); }
.about__list b { color: var(--text); }
.about__list span { color: var(--text-muted); font-size: 0.95rem; }
.about__list .k {
  font-family: var(--font-latin);
  color: var(--accent);
  font-weight: 700;
}

/* ---------- شبکه‌ی پروژه‌ها ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.project-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
              box-shadow 0.35s var(--ease);
  outline: none;
}
.project-card:hover,
.project-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.9);
}
.project-card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-elev-2), var(--bg-elev));
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.project-card:hover .project-card__media img { transform: scale(1.05); }
.project-card__media.is-broken::after {
  content: "عکس یافت نشد — assets/img/projects/";
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--space-4);
  color: var(--text-dim);
  font-size: 0.85rem;
  background: var(--bg-elev);
}
.project-card__year {
  position: absolute;
  top: var(--space-3);
  inset-inline-end: var(--space-3);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 2px var(--space-3);
  font-family: var(--font-latin);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.project-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  flex: 1;
}
.project-card__cat {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.project-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
}
.project-card__excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.project-card__more {
  margin-top: auto;
  padding-top: var(--space-2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap 0.25s var(--ease), color 0.25s var(--ease);
}
.project-card:hover .project-card__more { gap: var(--space-3); color: var(--accent); }
.projects-empty {
  grid-column: 1 / -1;
  padding: var(--space-8);
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--text-muted);
}

/* ---------- مودال ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}
.modal.is-open { display: block; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,4,7,0.72);
  backdrop-filter: blur(6px);
  animation: fade 0.25s var(--ease);
}
.modal__dialog {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: min(560px, 100%);
  background: var(--bg-elev);
  border-inline-start: 1px solid var(--border);
  overflow-y: auto;
  padding: var(--space-7) var(--space-6) var(--space-8);
  animation: slideIn 0.35s var(--ease);
}
@keyframes slideIn {
  from { transform: translateX(-24px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal__close {
  position: sticky;
  top: 0;
  margin-inline-start: auto;
  display: grid;
  place-content: center;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  background: var(--bg-elev);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.modal__close:hover { color: var(--text); border-color: var(--accent); transform: rotate(90deg); }
.modal__media {
  margin-top: var(--space-4);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3 / 2;
}
.modal__media img { width: 100%; height: 100%; object-fit: cover; }
.modal__content { margin-top: var(--space-5); display: grid; gap: var(--space-4); }
.modal__cat { color: var(--accent); font-size: 0.85rem; }
.modal__content h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
}
.modal__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  border-block: 1px solid var(--border);
  padding-block: var(--space-4);
}
.modal__meta dt { font-size: 0.75rem; color: var(--text-dim); letter-spacing: 0.05em; }
.modal__meta dd { color: var(--text); font-weight: 600; margin-top: 2px; }
.modal__desc { color: var(--text-muted); line-height: 1.9; }
.modal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.modal__tags li {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-muted);
}
.modal__link { align-self: flex-start; margin-top: var(--space-2); }
.modal__hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.8;
  border-inline-start: 2px solid var(--border-strong);
  padding-inline-start: var(--space-3);
}
.modal__hint code {
  font-family: var(--font-latin);
  background: var(--bg-elev-2);
  padding: 1px 5px;
  border-radius: 5px;
  color: var(--accent);
  font-size: 0.85em;
}

/* ---------- تماس ---------- */
.contact {
  text-align: center;
}
.contact__title {
  font-size: clamp(2rem, 1.2rem + 4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.contact__mail {
  display: inline-block;
  margin-top: var(--space-5);
  font-family: var(--font-latin);
  font-size: clamp(1rem, 0.9rem + 1vw, 1.5rem);
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  padding-bottom: var(--space-1);
  transition: border-color 0.25s var(--ease);
}
.contact__mail:hover { border-color: var(--accent); }
.contact__socials {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-7);
  flex-wrap: wrap;
}
.contact__socials a {
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.contact__socials a:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }

/* ---------- فوتر ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-6);
  color: var(--text-dim);
  font-size: 0.85rem;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.site-footer a:hover { color: var(--text-muted); }

/* ---------- انیمیشن ریویل ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- ریسپانسیو ---------- */
@media (max-width: 1024px) {
  .hero__inner { gap: var(--space-6); }
  .hero__portrait { width: min(100%, 320px); }
}

@media (max-width: 860px) {
  .nav__menu {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-5) var(--space-5);
    transform: translateY(-140%);
    transition: transform 0.35s var(--ease);
    z-index: 40;
  }
  .nav__menu.is-open { transform: translateY(0); }
  .nav__menu a { padding-block: var(--space-4); border-bottom: 1px solid var(--border); }
  .nav__menu .btn { margin-top: var(--space-4); justify-content: center; }
  .nav__toggle { display: block; }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: start;
  }
  .hero__portrait {
    grid-row: 1;
    justify-self: start;
    width: min(72%, 300px);
  }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
  .section { padding-block: var(--space-8); }
  .projects-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .hero__stats { gap: var(--space-5); }
  .hero__portrait { width: min(88%, 320px); }
  .modal__dialog { width: 100%; padding: var(--space-6) var(--space-5) var(--space-8); }
  .site-footer .container { justify-content: center; text-align: center; }
}

@media (min-width: 1440px) {
  :root { --maxw: 1280px; }
}