/* ======================================================
   گام سمینار — design tokens
   ====================================================== */
:root{
  --navy-950:#0f1626;
  --navy-900:#151f35;
  --navy-800:#1c2a46;
  --navy-700:#28395c;
  --parchment:#f4ecd8;
  --parchment-dim:#e8dcb8;
  --gold-500:#c9a227;
  --gold-400:#dcb94f;
  --gold-100:#f6ecc9;
  --ink-text:#eee7d6;
  --ink-muted:#aab2c8;
  --success:#3fa66b;
  --danger:#d9784f;

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-1:0 24px 50px -24px rgba(10,14,25,.55);
  --shadow-2:0 12px 24px -12px rgba(10,14,25,.4);

  --font-display:'Lalezar', 'Vazirmatn', Tahoma, sans-serif;
  --font-body:'Vazirmatn', Tahoma, sans-serif;

  --container:1180px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--font-body);
  background:var(--parchment);
  color:var(--navy-950);
  line-height:1.7;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; border:none; background:none; cursor:pointer; }
ul{ list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:400; line-height:1.3; }

.section{ padding:72px 24px; max-width:var(--container); margin:0 auto; }
.section.dark{ max-width:none; padding:72px 24px; background:var(--navy-950); color:var(--ink-text); }
.section.dark .section-head > div > h2,
.section.dark .section-head h2{ color:var(--parchment); }
.section.dark > .section-head, .section.dark > .book-row, .section.dark > .audio-row,
.section.dark > .course-row, .section.dark > .testimonial-row{ max-width:var(--container); margin:0 auto; }

.eyebrow{
  font-size:13px;
  color:var(--gold-500);
  letter-spacing:.5px;
  margin-bottom:8px;
  font-weight:600;
}
.eyebrow-dark{ color:var(--gold-100); }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  margin-bottom:36px;
  gap:20px;
}
.section-head.center{ flex-direction:column; align-items:center; text-align:center; }
.section-head h2{ font-size:30px; }

.link-more{
  display:flex; align-items:center; gap:8px;
  font-size:14px; font-weight:600; color:var(--gold-500);
  white-space:nowrap;
}

/* ======================================================
   Top utility bar
   ====================================================== */
.topbar{
  background:var(--parchment);
  border-bottom:1px solid var(--parchment-dim);
  position:sticky; top:0; z-index:1000;
}
.topbar-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.menu-btn{
  width:38px; height:38px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.menu-btn span{
  width:22px; height:2px; background:var(--navy-950); border-radius:2px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ width:36px; height:36px; border-radius:8px; }
.brand-name{ font-family:var(--font-display); font-size:22px; color:var(--navy-950); }

.topbar-actions{ display:flex; align-items:center; gap:18px; }
.icon-btn{ font-size:19px; color:var(--navy-800); cursor:pointer; }
.btn-ghost{
  display:flex; align-items:center; gap:8px;
  font-size:14px; font-weight:600; color:var(--navy-800);
}
.btn-ghost span{
  border-right:2px solid var(--gold-500);
  padding-right:8px;
}

/* ======================================================
   Hero
   ====================================================== */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 15% 0%, var(--navy-800) 0%, var(--navy-950) 60%);
  color:var(--ink-text);
  padding-bottom:0;
  overflow:hidden;
}
.mainnav{
  max-width:var(--container);
  margin:0 auto;
  padding:18px 24px 0;
}
.menu{ display:flex; gap:8px; flex-wrap:wrap; }
.menu > li{ position:relative; }
.menu > li > a{
  display:block; padding:10px 16px;
  border-radius:999px;
  font-size:14px; font-weight:500;
  color:var(--ink-muted);
  transition:background .2s, color .2s;
}
.menu > li > a:hover{ background:rgba(255,255,255,.08); color:var(--gold-400); }
.dropdown-menu{
  display:none;
  position:absolute; top:44px; right:0;
  background:var(--navy-800);
  border:1px solid var(--navy-700);
  border-radius:var(--radius-sm);
  padding:6px;
  min-width:170px;
  box-shadow:var(--shadow-2);
}
.dropdown-menu li{
  padding:9px 12px; border-radius:6px; font-size:13.5px; color:var(--ink-muted);
  cursor:pointer;
}
.dropdown-menu li:hover{ background:var(--navy-700); color:var(--gold-400); }
.dropdown:hover .dropdown-menu{ display:block; }

.hero-content{
  max-width:var(--container);
  margin:0 auto;
  padding:70px 24px 90px;
  text-align:center;
  display:flex; flex-direction:column; align-items:center;
}
.hero-title{
  font-size:clamp(40px, 7vw, 68px);
  color:var(--parchment);
  margin:6px 0 18px;
}
.hero-sub{
  max-width:480px;
  color:var(--ink-muted);
  font-size:16px;
  margin-bottom:34px;
}
.search-bar{
  width:100%; max-width:560px;
  background:var(--parchment);
  border-radius:999px;
  display:flex; align-items:center;
  padding:6px 6px 6px 22px;
  gap:12px;
  box-shadow:var(--shadow-1);
}
.search-bar i{ color:var(--navy-700); }
.search-bar input{
  flex:1; border:none; background:none; outline:none;
  font-family:inherit; font-size:14px; padding:10px 0; color:var(--navy-950);
}
.search-bar button{
  background:var(--gold-500);
  color:var(--navy-950);
  font-weight:700; font-size:14px;
  padding:12px 26px;
  border-radius:999px;
  transition:background .2s;
}
.search-bar button:hover{ background:var(--gold-400); }

/* signature: bookshelf strip */
.hero-shelf{
  display:flex;
  align-items:flex-end;
  gap:6px;
  height:46px;
  padding:0 4%;
  background:linear-gradient(to top, rgba(0,0,0,.28), transparent 90%);
}
.hero-shelf span{
  flex:1;
  border-radius:3px 3px 0 0;
  opacity:.9;
}
.hero-shelf span:nth-child(5n+1){ height:46px; background:var(--gold-500); }
.hero-shelf span:nth-child(5n+2){ height:30px; background:var(--danger); }
.hero-shelf span:nth-child(5n+3){ height:38px; background:var(--parchment-dim); }
.hero-shelf span:nth-child(5n+4){ height:24px; background:var(--navy-700); }
.hero-shelf span:nth-child(5n+5){ height:42px; background:var(--gold-400); }

/* ======================================================
   Category tiles
   ====================================================== */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
}
.cat-card{
  background:#fff;
  border-radius:var(--radius-md);
  padding:28px 16px;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  box-shadow:var(--shadow-2);
  transition:transform .2s;
}
.cat-card:hover{ transform:translateY(-4px); }
.cat-card{ cursor:pointer; }
.cat-card i{ font-size:26px; color:var(--gold-500); }
.cat-card span{ font-weight:600; font-size:14.5px; }

/* ======================================================
   Book covers — CSS-generated placeholders (work with or without real images)
   ====================================================== */
.book-cover, .best-cover, .audio-cover, .course-cover, .mini-cover{
  border-radius:var(--radius-sm);
  position:relative;
  overflow:hidden;
}
.cover-1{ background:linear-gradient(160deg,#28395c,#c9a227); }
.cover-2{ background:linear-gradient(160deg,#3ea36b,#151f35); }
.cover-3{ background:linear-gradient(160deg,#d9784f,#28395c); }
.cover-4{ background:linear-gradient(160deg,#c9a227,#151f35); }
.cover-5{ background:linear-gradient(160deg,#28395c,#d9784f); }
.cover-6{ background:linear-gradient(160deg,#151f35,#3ea36b); }

/* ======================================================
   Featured book row
   ====================================================== */
.book-row{
  display:grid;
  grid-template-columns:repeat(6, 1fr);
  gap:20px;
}
.book-card{ display:flex; flex-direction:column; gap:8px; }
.book-cover{ width:100%; aspect-ratio:3/4; }
.book-cover img{ width:100%; height:100%; object-fit:cover; }
.book-card h3{ font-size:15px; font-weight:600; margin-top:4px; }
.author{ font-size:13px; color:var(--ink-muted); }
.price{ font-weight:700; color:var(--navy-800); font-size:14px; }

/* ======================================================
   Promo banner
   ====================================================== */
.promo{ background:linear-gradient(120deg, var(--gold-500), var(--gold-400)); }
.promo-inner{
  max-width:var(--container); margin:0 auto; padding:44px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  color:var(--navy-950);
}
.promo-inner h2{ font-size:26px; }
.btn-solid{
  background:var(--navy-950); color:var(--parchment);
  padding:14px 30px; border-radius:999px; font-weight:600; font-size:14px;
  white-space:nowrap;
}

/* ======================================================
   Features / trust bar
   ====================================================== */
.features{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.feature{ text-align:center; padding:10px; }
.feature i{ font-size:24px; color:var(--gold-500); margin-bottom:12px; }
.feature h4{ font-size:15.5px; margin-bottom:6px; }
.feature p{ font-size:13px; color:#5b6376; }

/* ======================================================
   Audiobooks
   ====================================================== */
.audio-row{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.audio-card{ display:flex; flex-direction:column; gap:10px; }
.audio-cover{
  width:100%; aspect-ratio:1/1;
  display:flex; align-items:center; justify-content:center;
}
.audio-cover i{ font-size:26px; color:rgba(255,255,255,.9); }
.audio-card h3{ font-size:15px; }
.meta{ font-size:12.5px; color:var(--ink-muted); }

/* ======================================================
   Best sellers grid
   ====================================================== */
.bestseller-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px;
}
.best-card{ display:flex; flex-direction:column; gap:8px; }
.best-cover{ width:100%; aspect-ratio:3/4; }
.best-card h3{ font-size:14.5px; font-weight:600; }
.tag-row{ display:flex; gap:8px; align-items:center; }
.tag-price{ font-size:13px; font-weight:700; color:var(--navy-800); }
.tag-off{
  font-size:11.5px; font-weight:700;
  background:var(--success); color:#fff;
  padding:2px 8px; border-radius:999px;
}

/* ======================================================
   Spotlight / about
   ====================================================== */
.spotlight{
  background:var(--navy-950); color:var(--ink-text);
  border-radius:var(--radius-lg);
  padding:56px;
  display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
}
.spotlight-text{ max-width:460px; }
.spotlight-text h2{ font-size:28px; color:var(--parchment); margin:8px 0 14px; }
.spotlight-text p{ color:var(--ink-muted); font-size:14.5px; }
.spotlight-stats{ display:flex; gap:20px; flex-wrap:wrap; }
.stat-card{
  background:var(--navy-800);
  border:1px solid var(--navy-700);
  border-radius:var(--radius-md);
  padding:24px 30px;
  text-align:center;
  min-width:150px;
}
.stat-card.stat-alt{ border-color:var(--gold-500); }
.stat-card strong{ display:block; font-family:var(--font-display); font-size:26px; color:var(--gold-400); }
.stat-card span{ font-size:12.5px; color:var(--ink-muted); }

/* ======================================================
   Newsletter
   ====================================================== */
.newsletter{ max-width:none; background:var(--parchment-dim); }
.newsletter-inner{
  max-width:var(--container); margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.newsletter-inner > p{ font-weight:600; font-size:17px; }
.newsletter-form{ display:flex; gap:10px; flex-wrap:wrap; }
.newsletter-form input{
  border:1px solid #d8cba0; border-radius:999px;
  padding:12px 18px; font-family:inherit; font-size:14px; min-width:220px; outline:none;
}
.newsletter-form button{
  background:var(--navy-950); color:var(--parchment);
  padding:12px 24px; border-radius:999px; font-weight:600; font-size:14px;
}

/* ======================================================
   Courses
   ====================================================== */
.course-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.course-card{ display:flex; flex-direction:column; gap:10px; }
.course-cover{ width:100%; aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; }
.course-cover i{ font-size:24px; color:rgba(255,255,255,.9); }
.course-card h3{ font-size:15px; }

/* ======================================================
   Browse tabs
   ====================================================== */
.tabs{ display:flex; gap:10px; margin-bottom:28px; flex-wrap:wrap; }
.tab{
  padding:10px 22px; border-radius:999px; font-size:14px; font-weight:600;
  background:#fff; color:var(--navy-800); box-shadow:var(--shadow-2);
}
.tab.active{ background:var(--navy-950); color:var(--gold-400); }
.tab-clear{
  background:transparent;
  color:var(--danger);
  border:1.5px solid var(--danger);
  box-shadow:none;
  display:flex; align-items:center; gap:6px;
}
.tab-clear:hover{ background:var(--danger); color:#fff; }
.hidden{ display:none !important; }
.mini-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:16px; }
.mini-card{ display:flex; flex-direction:column; gap:8px; }
.mini-cover{ width:100%; aspect-ratio:3/4; }
.mini-card h4{ font-size:13px; font-weight:600; }
.empty-state{ text-align:center; color:#8a8f9e; font-size:14px; padding:30px 0; }
.tab-cta{ text-align:center; margin-top:34px; }
.btn-outline{
  display:inline-block;
  border:2px solid var(--navy-950);
  border-radius:999px;
  padding:12px 28px;
  font-weight:600; font-size:14px;
}

/* ======================================================
   Testimonials
   ====================================================== */
.testimonial-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; max-width:var(--container); margin:0 auto; }
.testimonial-card{
  background:var(--navy-800);
  border:1px solid var(--navy-700);
  border-radius:var(--radius-md);
  padding:28px;
}
.stars{ color:var(--gold-400); font-size:13px; margin-bottom:14px; display:flex; gap:4px; }
.testimonial-card p{ font-size:14.5px; color:var(--ink-text); margin-bottom:16px; }
.who{ font-size:12.5px; color:var(--ink-muted); }

/* ======================================================
   Footer
   ====================================================== */
.footer{ background:var(--navy-950); color:var(--ink-muted); }
.footer-top{
  max-width:var(--container); margin:0 auto; padding:56px 24px 32px;
  display:grid; grid-template-columns:2fr 1fr 1fr; gap:32px;
}
.footer-col{ display:flex; flex-direction:column; gap:12px; align-items:flex-start; }
.footer-col .brand-name{ color:var(--parchment); font-size:20px; }
.footer-col p{ font-size:13.5px; }
.footer-col h4{ color:var(--parchment); font-size:14.5px; margin-bottom:4px; }
.footer-col a{ font-size:13.5px; }
.footer-col a:hover{ color:var(--gold-400); }
.footer-col .btn-outline{ border-color:var(--gold-500); color:var(--gold-400); margin-top:4px; }
.footer-bottom{
  border-top:1px solid var(--navy-800);
  text-align:center; padding:20px; font-size:12.5px;
}

/* ======================================================
   Responsive
   ====================================================== */
@media (max-width:1024px){
  .cat-grid, .features, .audio-row, .bestseller-grid, .course-row{ grid-template-columns:repeat(2,1fr); }
  .book-row{ grid-template-columns:repeat(3,1fr); }
  .mini-grid{ grid-template-columns:repeat(3,1fr); }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .mainnav{ display:none; }
  .mainnav.open{ display:block; }
  .cat-grid, .features, .audio-row, .bestseller-grid, .course-row, .book-row, .mini-grid{ grid-template-columns:repeat(2,1fr); }
  .testimonial-row{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; }
  .section-head{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}