/* ستایش — چاپ و تبلیغات
   Light, energetic template direction (client-approved reference):
   near-black ink, warm off-white ground, red primary + blue accent,
   a rainbow conic-gradient used sparingly as a brand mark / rule. */

:root {
  --ink: #141414;
  --bg: #fafafa;
  --card: #ffffff;
  --primary: #e10600;
  --primary-dark: #a30400;
  --accent: #0057ff;
  --accent-2: #ff5f6d;
  --muted: #6b6b6b;
  --border: #ececec;
  --radius: 16px;
  --rainbow: conic-gradient(from 0deg, #ff00c8, #ff8a00, #ffe600, #3ddc57, #00c2ff, #7a3ffb, #ff00c8);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Vazirmatn", "Tahoma", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

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

header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,248,246,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; gap: 20px; }
.logo { font-size: 20px; font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.logo span { color: var(--primary); font-size: 13px; font-weight: 600; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 50%; background: var(--rainbow);
  display: flex; align-items: center; justify-content: center; padding: 3px; flex-shrink: 0;
}
.logo-mark b {
  width: 100%; height: 100%; border-radius: 50%; background: #fff; color: var(--ink);
  display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700;
}
.nav-links { display: flex; gap: 24px; font-size: 14px; font-weight: 500; flex-wrap: wrap; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { background: var(--primary); color: #fff; padding: 10px 22px; border-radius: 999px; font-weight: 600; font-size: 13.5px; white-space: nowrap; }

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

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 14.5px;
  cursor: pointer; border: none; text-decoration: none;
  background: var(--primary); color: #fff;
}
.btn:hover { background: var(--primary-dark); }
.btn-secondary, .btn-outline {
  background: transparent; color: var(--ink); border: 1.5px solid var(--border);
}
.btn-secondary:hover, .btn-outline:hover { background: rgba(0,0,0,0.03); }

/* ---------- Hero ---------- */

.hero {
  padding: 70px 24px 50px;
  background: linear-gradient(135deg, #141414 0%, #2b2b2b 100%);
  color: #fff;
  text-align: center;
  border-radius: 0 0 32px 32px;
  position: relative;
  overflow: hidden;
  margin: 0 -24px;
}
.hero::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--rainbow); }
.hero-eyebrow, .eyebrow {
  display: inline-block; background: rgba(255,255,255,0.15); padding: 6px 16px;
  border-radius: 999px; font-size: 13px; margin-bottom: 18px; font-weight: 600;
}
.hero-title { font-size: clamp(30px, 5vw, 50px); font-weight: 700; margin: 0 0 16px; text-wrap: balance; }
.hero-title span { color: var(--accent-2); }
.hero-sub { font-size: 16.5px; opacity: 0.92; max-width: 560px; margin: 0 auto 28px; text-wrap: balance; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Marquee ---------- */

.marquee, .marquee-wrap { overflow: hidden; background: var(--rainbow); padding: 12px 0; margin: 0 -24px; }
.marquee-track { display: inline-flex; gap: 36px; white-space: nowrap; animation: scroll-mq 22s linear infinite; width: max-content; direction: ltr; }
.marquee-track span { color: #fff; font-size: 14px; font-weight: 600; text-shadow: 0 1px 4px rgba(0,0,0,0.35); direction: rtl; }
@keyframes scroll-mq { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---------- Sections ---------- */

.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-kicker { color: var(--primary); font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.section-head h2, .band-heading { font-size: clamp(22px, 3vw, 30px); font-weight: 700; margin: 0; }
.section-head p, .band-sub { color: var(--muted); margin-top: 8px; font-size: 15px; }

.section-title {
  font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--primary); text-transform: uppercase; margin: 0 0 18px;
  padding-right: 12px; border-right: 3px solid var(--primary);
}

/* ---------- Services / category grid ---------- */

.services-grid, .service-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px;
}
.service-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 18px; text-align: center; transition: 0.2s; cursor: pointer; display: block;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(225,6,0,0.12); border-color: var(--primary); }
.service-icon { font-size: 32px; margin-bottom: 12px; }
.service-card strong, .service-card h3 { font-size: 15px; font-weight: 600; }

/* ---------- Portfolio / news / product grids ---------- */

.portfolio-grid, .product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.portfolio-card, .product-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  text-decoration: none; color: var(--ink); display: block; position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.portfolio-card:hover, .product-card:hover { transform: translateY(-4px); box-shadow: 0 10px 26px rgba(0,0,0,0.08); }
.portfolio-card img, .product-card-img img {
  width: 100%; height: 160px; object-fit: cover; display: block;
}
.product-card-img { height: 160px; background: linear-gradient(135deg, var(--primary), var(--accent-2)); overflow: hidden; }
.product-card-noimg {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 20px;
}
.portfolio-card-label, .product-card-title {
  display: block; padding: 14px 16px; font-size: 14.5px; font-weight: 600;
}

/* ---------- Why-us / about ---------- */

.about-grid, .why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.about-item, .why-card { background: var(--card); border-radius: var(--radius); padding: 28px 22px; border: 1px solid var(--border); }
.about-item strong, .why-card h3 { display: block; font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.about-item p, .why-card p { color: var(--muted); font-size: 13.5px; margin: 0; }
.why-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px;
}

/* ---------- Price table ---------- */

.price-section { background: var(--card); }
table.simple, .price-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
table.simple th, table.simple td, .price-table th, .price-table td {
  padding: 14px 16px; text-align: right; font-size: 13.5px; border-bottom: 1px solid var(--border);
}
table.simple th, .price-table th { background: var(--primary); color: #fff; font-weight: 600; }
table.simple tr:last-child td, .price-table tr:last-child td { border-bottom: none; }
.price-note { color: var(--muted); margin-top: 8px; font-size: 12.5px; }
.table-wrap { overflow-x: auto; }

/* ---------- CTA banner ---------- */

.cta-banner {
  background: linear-gradient(135deg, #141414, #2b2b2b); color: #fff; border-radius: 24px;
  padding: 48px 32px; text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--rainbow); }
.cta-banner h2 { font-size: clamp(20px, 3vw, 26px); margin: 0 0 10px; font-weight: 700; }
.cta-banner p { opacity: 0.9; margin: 0 0 22px; font-size: 14px; }

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

footer { background: var(--ink); color: #cfcfcf; padding: 50px 0 22px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 28px; margin-bottom: 36px; }
.footer-grid h4 { color: #fff; font-size: 14.5px; font-weight: 600; margin: 0 0 14px; }
.footer-grid li { margin-bottom: 9px; font-size: 13.5px; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 18px; text-align: center; font-size: 12.5px; color: #8d8d8d; }

/* ---------- Shared components (inner pages: forms, cart, samples, tabs) ---------- */

.messages { margin-bottom: 22px; display: flex; flex-direction: column; gap: 8px; }
.message {
  padding: 12px 16px; border-radius: 10px; font-size: 13.5px;
  background: var(--card); border: 1px solid var(--border); border-right: 3px solid var(--muted);
}
.message.success { border-right-color: #1a8a4c; color: #1a8a4c; }
.message.error { border-right-color: var(--primary); color: var(--primary-dark); }
.message.info { border-right-color: var(--accent); color: var(--accent); }

.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.breadcrumb .back { color: var(--primary); text-decoration: none; font-weight: 600; }

.grid, .grid-desktop { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.grid-desktop { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 14px; color: var(--ink); font-size: 14.5px; font-weight: 600; text-align: center;
  cursor: pointer; text-decoration: none; display: block; transition: transform 0.15s, border-color 0.15s;
}
.card:hover { transform: translateY(-3px); border-color: var(--primary); }

.sample-grid, .sample-grid-desktop { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sample-grid-desktop { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.sample { position: relative; border-radius: 10px; overflow: hidden; border: 2px solid var(--border); aspect-ratio: 1; cursor: pointer; }
.sample img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sample.selected { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary); }
.sample .badge {
  position: absolute; top: 4px; right: 4px; background: rgba(0,0,0,0.6); color: #fff;
  font-size: 11px; padding: 1px 7px; border-radius: 8px; font-variant-numeric: tabular-nums;
}

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.field select, .field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: #fff; color: var(--ink); font-size: 14.5px; font-family: inherit;
}
.field select:focus, .field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); }

.form-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 460px; }
.summary-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; line-height: 1.9; font-size: 13.5px; white-space: pre-line; }
.price-box {
  background: linear-gradient(135deg, rgba(225,6,0,0.06), rgba(225,6,0,0.01));
  border: 1px solid var(--primary); border-radius: var(--radius); padding: 16px;
  margin-bottom: 16px; font-size: 13.5px; white-space: pre-line; color: var(--primary-dark);
}
.empty-state { text-align: center; color: var(--muted); padding: 44px 20px; font-size: 13.5px; line-height: 1.8; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted);
  text-decoration: none; font-size: 12.5px; font-weight: 600; background: var(--card);
}
.tab:hover { border-color: var(--primary); color: var(--ink); }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.news-strip { display: flex; gap: 14px; overflow-x: auto; padding: 4px 4px 10px; }
.news-strip .product-card { min-width: 220px; flex: 0 0 auto; }

/* legacy dark-theme band wrapper aliasing, kept so old templates using
   .band / .band-cream / .band-white degrade gracefully to plain sections */
.band { padding: 0; margin: 0; }
.band-cream, .band-white { background: transparent; }
.about-band { text-align: center; }
.about-band h2 { font-size: clamp(22px, 3vw, 28px); font-weight: 700; margin-bottom: 30px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Floating AI chat widget ---------- */

#aiFab {
  position: fixed; bottom: 24px; left: 24px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none; font-size: 24px; cursor: pointer;
  box-shadow: 0 10px 26px -8px rgba(225,6,0,0.55); z-index: 100; transition: transform 0.15s;
}
#aiFab:hover { transform: scale(1.06); }
#aiPanel {
  position: fixed; bottom: 92px; left: 24px; width: 340px; max-width: calc(100vw - 32px);
  height: 460px; max-height: calc(100vh - 140px); background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: 0 20px 50px rgba(0,0,0,0.18); z-index: 100; display: none;
  flex-direction: column; overflow: hidden;
}
#aiPanel.open { display: flex; }
#aiPanelHeader {
  background: var(--ink); color: #fff; padding: 14px 16px; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border);
}
#aiPanelClose { background: none; border: none; color: #bbb; font-size: 16px; cursor: pointer; }
#aiPanelClose:hover { color: #fff; }
#aiMessages { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.ai-msg { max-width: 85%; padding: 10px 13px; border-radius: 12px; font-size: 13.5px; line-height: 1.7; white-space: pre-wrap; }
.ai-msg-assistant { align-self: flex-start; background: var(--bg); color: var(--ink); border: 1px solid var(--border); }
.ai-msg-user { align-self: flex-end; background: var(--primary); color: #fff; }
#aiForm { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
#aiInput { flex: 1; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--ink); font-size: 13.5px; font-family: inherit; }
#aiInput:focus { outline: none; border-color: var(--primary); }
#aiForm button { background: var(--primary); color: #fff; border: none; border-radius: 10px; padding: 0 16px; font-size: 13px; font-weight: 700; cursor: pointer; }

@media (max-width: 480px) {
  #aiFab { bottom: 16px; left: 16px; }
  #aiPanel { bottom: 80px; left: 16px; }
}

.spinner { display: flex; justify-content: center; padding: 40px; }
.spinner::after {
  content: ""; width: 30px; height: 30px; border: 3px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.success { text-align: center; padding: 60px 20px; }
.success .icon { font-size: 52px; margin-bottom: 16px; }
.success h2 { margin-bottom: 8px; }
.success p { color: var(--muted); font-size: 13.5px; line-height: 1.8; }