/* =========================================================
   Alyerse — shared stylesheet (works for both EN/LTR and FA/RTL)
   Uses CSS logical properties so the same rules mirror correctly
   when the parent element sets dir="rtl" / dir="ltr".
   ========================================================= */

:root {
  /* Color */
  --bg: #070b14;
  --bg-elevated: #0d1424;
  --card: #0f1729;
  --card-border: #1b2740;
  --card-border-hover: #2b4f8f;
  --accent: #2f7dfb;
  --accent-soft: #8bb8ff;
  --text: #f4f6fb;
  --text-muted: #93a0bb;
  --text-faint: #5c6a89;
  --divider: #182238;

  /* Type */
  --font-en: "Inter", "Segoe UI", sans-serif;
  --font-fa: "Vazirmatn", "Segoe UI", sans-serif;

  /* Layout */
  --container: 1160px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --gap: 24px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

button { font: inherit; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-icon {
  display: inline-block;
  transition: transform 0.15s ease;
}
html[dir="rtl"] .btn-icon { transform: scaleX(-1); }

.btn:hover .btn-icon { transform: translateX(3px); }
html[dir="rtl"] .btn:hover .btn-icon { transform: scaleX(-1) translateX(3px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #4a8dfc; }

.btn-outline {
  background: transparent;
  border-color: var(--card-border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-soft); }

.btn-link {
  color: var(--accent-soft);
  font-weight: 600;
  padding: 0;
  background: none;
  border: none;
}
.btn-link:hover { color: var(--accent); }

/* ---------------- Header / Nav ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--divider);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #6aa3ff);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.brand-mark svg { width: 16px; height: 16px; }
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav-links a { position: relative; padding-block: 4px; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: -6px;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.nav-cta { display: none; }
@media (min-width: 860px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 8px;
  color: var(--text);
}
@media (min-width: 860px) { .nav-toggle { display: none; } }
.nav-links { display: none; }
@media (min-width: 860px) { .nav-links { display: flex; } }

.nav-links.open {
  display: flex;
  position: absolute;
  inset-inline: 0;
  top: 100%;
  flex-direction: column;
  align-items: stretch;
  background: var(--bg-elevated);
  padding: 18px 24px;
  border-block-end: 1px solid var(--divider);
  gap: 16px;
}

/* ---------------- Hero (full-bleed banner, text overlaid on image) ---------------- */

.hero {
  padding: 0;
}

.hero-banner {
  position: relative;
  width: 100%;
  min-height: 460px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
@media (min-width: 700px) { .hero-banner { min-height: 560px; } }
@media (min-width: 1100px) { .hero-banner { min-height: 640px; } }

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5,8,15,.95) 0%, rgba(5,8,15,.75) 45%, rgba(5,8,15,.6) 1%);
  /* solid scrim for legibility on mobile, refined per-direction below */
}
@media (min-width: 860px) {
  html[dir="ltr"] .hero-overlay {
    background:
      linear-gradient(0deg, rgba(5,8,15,.55) 0%, transparent 5%),
      linear-gradient(to right, rgba(5,8,15,.96) 0%, rgba(5,8,15,.8) 10%, rgba(5,8,15,.35) 35%, rgba(5,8,15,.05) 99%);
  }
  html[dir="rtl"] .hero-overlay {
    background:
      linear-gradient(0deg, rgba(5,8,15,.55) 0%, transparent 5%),
      linear-gradient(to left, rgba(5,8,15,.96) 0%, rgba(5,8,15,.8) 10%, rgba(5,8,15,.35) 35%, rgba(5,8,15,.05) 99%);
  }
}

/* Edge-flush wrapper: unlike .container (which is centered with a max-width,
   leaving a gap before the real screen edge on wide monitors), this hugs the
   true left/right edge of the browser window so the text never drifts back
   toward the middle of the photo. */


.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-inline: 24px;
}
@media (min-width: 640px)  { .hero-inner { padding-inline: 40px; } }
@media (min-width: 1100px) { .hero-inner { padding-inline: 64px; } }
@media (min-width: 1500px) { .hero-inner { padding-inline: 96px; } }

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 64px;
  max-width: 560px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-soft);
  font-size: 0.85rem;
  font-weight: 600;
  margin-block-end: 18px;
}
.eyebrow .dot { color: var(--text-faint); }

.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.hero h1 .accent { color: var(--accent-soft); }

.hero p.lead {
  color: #cdd6e8;
  font-size: 0.92rem;
  max-width: 42ch;
  margin: 0 0 30px;
}

.hero-note {
  position: absolute;
  z-index: 2;
  top: 24px;
  inset-inline-end: 28px;
  font-family: "Caveat", cursive;
  color: var(--accent-soft);
  font-size: 1.2rem;
  line-height: 1.25;
  transform: rotate(-4deg);
  text-align: end;
  text-shadow: 0 2px 10px rgba(0,0,0,.7);
}
html[dir="rtl"] .hero-note { transform: rotate(4deg); }

/* ---------------- Section shell ---------------- */

.section { padding-block: 64px; }
.section-head { margin-block-end: 36px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin: 8px 0 12px;
  font-weight: 700;
}
.section-head p { color: var(--text-muted); max-width: 60ch; margin: 0; }
.section-head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------------- About / feature grid ---------------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 0.85fr 1.15fr; }
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--divider);
  border: 1px solid var(--divider);
  border-radius: var(--radius-md);
  overflow: hidden;
}
@media (min-width: 620px) {
  .feature-list { grid-template-columns: 1fr 1fr; }
}

.feature-item {
  background: var(--bg-elevated);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
  opacity: 0;
  transform: translateY(16px);
}
.feature-item.in-view {
  opacity: 1;
  transform: translateY(0);
}
.feature-item:hover {
  background: #131e36;
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}

.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(47, 125, 251, 0.14);
  color: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background-color .3s ease;
}
.feature-item:hover .feature-icon {
  transform: scale(1.1) rotate(-6deg);
  background: rgba(47, 125, 251, 0.28);
}

.feature-icon svg { width: 18px; height: 18px; }

.feature-item h3 { margin: 0; font-size: 1rem; font-weight: 600; }
.feature-item p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* ---------------- Project cards ---------------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}
@media (min-width: 760px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card);
  position: relative;
  opacity: 0;
  transform: translateY(28px) scale(.96);
  transition: opacity .5s cubic-bezier(.22,1,.36,1),
              transform .35s cubic-bezier(.22,1,.36,1),
              border-color .3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.project-card.in-view { opacity: 1; transform: translateY(0) scale(1); }
.project-card:hover { border-color: var(--card-border-hover); }

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(47,125,251,.18), transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
  z-index: 1;
}
.project-card:hover::before { opacity: 1; }

.project-thumb { aspect-ratio: 16/10; overflow: hidden; background: #0a1120; }

.project-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.project-card:hover .project-thumb img { transform: scale(1.08); }

.project-body { padding: 20px; }
.project-body h3 { margin: 0 0 8px; font-size: 1.05rem; }
.project-body p { margin: 0 0 16px; color: var(--text-muted); font-size: 0.9rem; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-block-end: 16px; }
.tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 125, 251, 0.1);
  color: var(--accent-soft);
  border: 1px solid rgba(47, 125, 251, 0.25);
}

.carousel { position: relative; }

.carousel-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.carousel-viewport::-webkit-scrollbar { display: none; }

.carousel-track {
  display: flex;
  gap: var(--gap);
  perspective: 1200px;
}
.carousel-track > .project-card {
  flex: 0 0 100%;
  scroll-snap-align: start;
}
@media (min-width: 760px) {
  .carousel-track > .project-card { flex: 0 0 calc((100% - 2 * var(--gap)) / 3); }
}

.carousel-btn {
  position: absolute;
  top: 40%;
  z-index: 3;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  transition: border-color .2s ease, color .2s ease;
}
.carousel-btn:hover { border-color: var(--accent); color: var(--accent-soft); }
.carousel-btn.carousel-prev { inset-inline-start: -6px; }
.carousel-btn.carousel-next { inset-inline-end: -6px; }
@media (min-width: 900px) {
  .carousel-btn.carousel-prev { inset-inline-start: -20px; }
  .carousel-btn.carousel-next { inset-inline-end: -20px; }
}

/* ---------------- Team ---------------- */

.team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 900px) {
  .team-layout { grid-template-columns: 0.8fr 1.2fr; }
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--gap);
}

.team-grid { perspective: 1000px; }

.team-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card);
  position: relative;
  opacity: 0;
  transform: perspective(900px) rotateY(-26deg) translateX(-30px) scale(.94);
  transition: opacity .6s cubic-bezier(.22,1,.36,1),
              transform .6s cubic-bezier(.22,1,.36,1);
}
html[dir="rtl"] .team-card {
  transform: perspective(900px) rotateY(26deg) translateX(30px) scale(.94);
}
.team-card.in-view {
  opacity: 1;
  transform: perspective(900px) rotateY(0deg) translateX(0) scale(1);
}

html[dir="rtl"] .team-card.in-view {
  transform: perspective(900px) rotateY(0deg) translateX(0) scale(1);
}

/* قاب نئونی چرخان دور کارت، فقط موقع هاور */
@property --angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.team-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--angle), transparent 0 70%, var(--accent) 85%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.team-card:hover::after {
  opacity: 1;
  animation: spin-border 2.2s linear infinite;
}
@keyframes spin-border { to { --angle: 360deg; } }

.team-photo { aspect-ratio: 4/5; overflow: hidden; }
.team-photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) brightness(.82);
  transition: filter .5s ease, transform .5s ease;
}
.team-card:hover .team-photo img {
  filter: grayscale(0) brightness(1);
  transform: scale(1.05);
}
.team-info { padding: 16px; }
.team-info h3 { margin: 0 0 2px; font-size: 1rem; }
.team-role { color: var(--accent-soft); font-size: 0.85rem; margin: 0 0 6px; }
.team-skills { color: var(--text-faint); font-size: 0.78rem; margin: 0 0 12px; }
.team-socials { display: flex; gap: 10px; }
.team-socials a {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}
.team-socials a:hover { color: var(--accent-soft); border-color: var(--accent); }
.team-socials svg { width: 14px; height: 14px; }

/* ---------------- Stats ---------------- */

.stats {
  border-block: 1px solid var(--divider);
  padding-block: 40px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}
@media (min-width: 700px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-icon {
  width: 40px; height: 40px;
  margin-inline: auto;
  margin-block-end: 10px;
  border-radius: 10px;
  background: rgba(47,125,251,.12);
  color: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 18px; height: 18px; }
.stat-number { font-size: 1.7rem; font-weight: 700; margin: 0; }
.stat-label { color: var(--text-muted); font-size: 0.85rem; margin: 4px 0 0; }

/* ---------------- Contact ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr 0.9fr; } }

.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-row { display: flex; align-items: center; gap: 12px; }
.contact-row .ico {
  width: 38px; height: 38px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-soft);
}
.contact-row .ico svg { width: 16px; height: 16px; }
.contact-row strong { display: block; font-size: 0.95rem; }
.contact-row span { color: var(--text-muted); font-size: 0.85rem; }

.contact-socials { display: flex; gap: 10px; margin-block-start: 6px; }
.contact-socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}
.contact-socials a:hover { color: var(--accent-soft); border-color: var(--accent); }
.contact-socials svg { width: 15px; height: 15px; }

.contact-visual {
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: radial-gradient(circle at 60% 40%, rgba(47,125,251,.18), transparent 60%), var(--card);
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 24px;
}
.contact-visual span {
  font-family: "Caveat", cursive;
  color: var(--accent-soft);
  font-size: 1.3rem;
  text-align: center;
  line-height: 1.3;
}

/* ---------------- Footer ---------------- */

.site-footer {
  border-block-start: 1px solid var(--divider);
  padding-block: 28px;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-faint); font-size: 0.8rem; }

/* ---------------- Language switch ---------------- */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.lang-switch:hover { color: var(--text); border-color: var(--accent); }

.stat-item {
  opacity: 0;
  transform: scale(.55);
  transition: opacity .45s ease, transform .55s cubic-bezier(.34, 1.56, .64, 1);
}
.stat-item.in-view { opacity: 1; transform: scale(1); }

.stat-icon {
  transform: scale(0) rotate(-45deg);
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1);
  transition-delay: .15s;
}
.stat-item.in-view .stat-icon { transform: scale(1) rotate(0deg); }

/* کارت‌های داخل اسلایدر فقط با خود اسکرول حرکت می‌کنن —
   انیمیشن ورود و افکت تیلت رو براشون خاموش می‌کنیم تا با هم تداخل نکنن */
.carousel-track .project-card {
  opacity: 1;
  transform: none;
  transition: border-color .3s ease;
}
.carousel-track .project-card::before {
  display: none;
}