/* پایه‌ها */
:root {
  --bg: #0f172a;        /* slate-900 */
  --panel: #111827;     /* gray-900 */
  --text: #e5e7eb;      /* gray-200 */
  --muted: #9ca3af;     /* gray-400 */
  --accent: #22d3ee;    /* cyan-400 */
  --accent-2: #a78bfa;  /* violet-400 */
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.2);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #0b1025 40%);
  color: var(--text);
  line-height: 1.8;
}

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

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

/* هدر و ناوبری */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 23, 42, .7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: .7rem 0;
}
.brand { font-weight: 800; letter-spacing: .3px; color: var(--text); }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--text); opacity: .8; padding: .4rem .6rem; border-radius: 8px; }
.nav a:hover { background: rgba(255,255,255,.06); opacity: 1; }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 1.4rem; color: var(--text); }
#about{
    text-align:center;
}
#about .tags{
    justify-content:center;
}
/* هیرو */
.hero { display: grid; place-items: center; min-height: 60vh; padding: 3rem 0 1rem; }
.hero-text { text-align: center; }
.hero h1 { margin: 0 0 .6rem; font-size: clamp(1.8rem, 3.5vw, 3rem); }
.accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { margin: .2rem auto 1rem; max-width: 60ch; color: var(--muted); }
.hero-actions { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }

/* دکمه‌ها */
.btn {
  display: inline-block;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05111a; font-weight: 700;
  box-shadow: var(--shadow);
}
.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: none;
}

/* بخش‌ها */
.section { padding: 3rem 0; }
.section h2 { margin: 0 0 1rem; font-size: clamp(1.4rem, 2.5vw, 2rem); }
.tags { display: flex; gap: .5rem; flex-wrap: wrap; padding: 0; list-style: none; }
.tags li {
  padding: .35rem .6rem; border-radius: 999px; font-size: .9rem; color: #0a0a0a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

/* کارت‌ها */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card p { color: var(--muted); }
.card-actions { display: flex; gap: .8rem; }

/* فرم تماس */
form { margin-top: 1rem; }
.form-row { display: grid; gap: .4rem; margin-bottom: .8rem; }
input, textarea {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text);
  padding: .7rem .8rem; border-radius: 10px; width: 100%;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* فوتر */
.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 1.2rem 0 2rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.social a { color: var(--muted); }
.social a:hover { color: var(--text); }
.brand img, 
.brand svg {
  display: block;
  height: 109px;  /* می‌تونی تغییر بدی */
}
.social a {
  color: #9ca3af;       /* خاکستری */
  margin-left: 15px;
  font-size: 24px;      /* اندازه آیکون‌ها */
  transition: color 0.3s ease, transform 0.2s ease;
}

.social a:hover {
  color: #22d3ee;       /* آبی/فیروزه‌ای روی hover */
  transform: scale(1.2);
}

/* واکنش‌گرا */
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav { display: none; position: absolute; left: 1rem; top: 3.2rem; flex-direction: column; background: rgba(15,23,42,.95); padding: .7rem; border-radius: 12px; border: 1px solid rgba(255,255,255,.08); }
  .nav.show { display: flex; }
  .nav-toggle { display: inline-block; }
  .grid { grid-template-columns: 1fr; }
  .hero { min-height: 55vh; }
}
.card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 35px rgba(0,0,0,0.3);
}
.card-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 0.8rem;
}
.tags {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  padding: 0;
  list-style: none;
}
.tags li {
  padding: .35rem .6rem;
  border-radius: 999px;
  font-size: .9rem;
  background: linear-gradient(135deg, #22d3ee, #a78bfa);
  color: #0a0a0a;
}
.card-actions {
  display: flex;
  gap: .8rem;
  margin-top: 0.5rem;
}
.card-actions a {
  display: inline-block;
  padding: .5rem 1rem;
  background: #3b82f6;
  color: white;
  border-radius: 8px;
  text-decoration: none;
}
.card-actions a:hover {
  background: #2563eb;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.container.section {
  padding: 2rem;
}
.card-thumb {
  width: 100%;
  height: auto;
  border-radius: 12px; /* برای زیباتر شدن */
  object-fit: cover;   /* برای جلوگیری از کشیدگی */
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.card-link-wrapper {
  text-decoration: none;
  color: inherit;
  display: block;
}
.card-link-wrapper:hover .card {
  transform: scale(1.02);
  transition: transform 0.3s ease;
}
#contact-success-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}

.modal-box {
  position: relative;
  background: var(--panel);
  color: var(--text);
  padding: 2rem;
  border-radius: 16px;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow);
  z-index: 1001;
}

.modal-box h2 {
  margin-top: 0;
  font-size: 1.5rem;
}

.modal-box button {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #000;
  font-weight: bold;
  cursor: pointer;
}