/* ============================================================
   Arti-IT — Shared Stylesheet
   ============================================================ */

/* --- Google Fonts: Inter --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* --- CSS Variables --- */
:root {
  --c1: #7c3aed;
  --c2: #06b6d4;
  --ink: #0f172a;
  --muted: #475569;
  --card: rgba(255,255,255,.6);
  --bd: rgba(226,232,240,.75);
  --line: #e5e7eb;
  --chip: #f8fafc;
  --ok: #16a34a;
  --warn: #f59e0b;
  --nav-h: 64px;
  --wrap: 1100px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box }
body { margin: 0; background: #fff; color: var(--ink); font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif }
a { color: inherit; text-decoration: none }

.arti-page { color: var(--ink) }
.arti-wrap, .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px }

/* ============================================================
   NAVBAR
   ============================================================ */
.arti-nav {
  position: sticky; top: 0; z-index: 300;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h); gap: 10px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; text-decoration: none; color: var(--ink);
}
.nav-links { display: none; gap: 18px; align-items: center }
.nav-links a {
  color: #0f172a; text-decoration: none;
  padding: 10px 6px; border-radius: 10px; transition: background .15s;
}
.nav-links a:hover { background: #f1f5f9 }
.nav-cta { padding: 10px 14px }

/* --- Language selector --- */
.lang { position: relative; margin-left: auto }
.lang-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border: 1px solid #cbd5e1;
  background: #fff; border-radius: 10px; font-weight: 600; cursor: pointer;
}
.lang-menu {
  position: absolute; right: 0; top: 44px;
  background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: 0 12px 28px rgba(2,6,23,.12);
  padding: 6px; list-style: none; margin: 0;
  min-width: 140px; display: none; z-index: 420;
}
.lang-menu a { display: block; padding: 10px 12px; border-radius: 8px; color: #0f172a; text-decoration: none }
.lang-menu a:hover { background: #f1f5f9 }

/* --- Hamburger --- */
.hamburger {
  display: inline-flex; flex-direction: column; gap: 4px;
  border: 0; background: transparent; padding: 8px; cursor: pointer;
}
.hamburger span { width: 22px; height: 2px; background: #0f172a; border-radius: 2px; transition: .2s }
.hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg) }
.hamburger.is-open span:nth-child(2) { opacity: 0 }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg) }

/* --- Mobile sheet --- */
.mobile-sheet {
  display: none; position: fixed; inset: 64px 0 0 0; height: calc(100dvh - 64px);
  background: rgba(255,255,255,.96); backdrop-filter: blur(6px);
  border-top: 1px solid var(--line); overflow: auto; z-index: 350;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-nav { display: flex; flex-direction: column; padding: 16px 20px; gap: 6px }
.mobile-nav a {
  display: block; padding: 14px 12px; border-radius: 12px;
  text-decoration: none; color: #0f172a;
  -webkit-tap-highlight-color: rgba(0,0,0,.1);
}
.mobile-nav a:hover { background: #f1f5f9 }
.mobile-lang { margin-top: 8px; border-top: 1px solid var(--line); padding-top: 12px }
.mobile-lang-grid { display: grid; grid-template-columns: repeat(3, auto); gap: 8px }
.mobile-lang-grid a { border: 1px solid #cbd5e1; border-radius: 10px; padding: 8px 10px; text-decoration: none }
.mobile-legal { margin-top: 8px; border-top: 1px solid var(--line); padding-top: 12px }
.mobile-legal .legal-link {
  display: block; padding: 14px 12px; border-radius: 12px;
  text-decoration: none; color: #0f172a;
  -webkit-tap-highlight-color: rgba(0,0,0,.1);
}
.mobile-legal .legal-link:hover { background: #f1f5f9 }

@media (min-width: 980px) {
  .nav-links { display: flex }
  .hamburger { display: none }
  .mobile-sheet { display: none !important }
}

/* ============================================================
   HERO (home pages)
   ============================================================ */
.arti-hero {
  position: relative; overflow: hidden; padding: 80px 0; z-index: 1;
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(14,165,233,.12) 0%, rgba(139,92,246,.12) 35%, rgba(255,255,255,0) 70%),
    radial-gradient(900px 500px at 90% 30%, rgba(139,92,246,.10) 0%, rgba(14,165,233,.10) 40%, rgba(255,255,255,0) 70%);
}
.arti-hero::before, .arti-hero::after {
  content: ""; position: absolute; inset: auto auto -120px -120px;
  width: 420px; height: 420px; border-radius: 50%;
  filter: blur(60px); background: conic-gradient(from 0deg, var(--c1), var(--c2), var(--c1));
  opacity: .25; animation: float 18s linear infinite; pointer-events: none; z-index: -1;
}
.arti-hero::after { left: auto; right: -140px; bottom: -140px; animation-duration: 22s }
@keyframes float {
  0%   { transform: translate3d(0,0,0) rotate(0) }
  100% { transform: translate3d(0,-10px,0) rotate(1turn) }
}

.arti-title {
  font-size: clamp(34px, 5vw, 58px); line-height: 1.1;
  font-weight: 900; margin: 0 0 14px; text-align: center;
}
.arti-title .grad, .grad {
  background: linear-gradient(90deg, var(--c2), var(--c1));
  -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.arti-sub {
  font-size: clamp(16px, 2.2vw, 20px); line-height: 1.7;
  color: #334155; margin: 0 auto 24px; max-width: 900px; text-align: center;
}
.arti-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px; padding: 12px 22px; font-weight: 600;
  text-decoration: none; touch-action: manipulation;
  -webkit-user-select: none; user-select: none;
  transition: all .2s; cursor: pointer; border: none;
  font-family: inherit; font-size: inherit;
}
.btn-primary {
  color: #fff; background: linear-gradient(90deg, var(--c1), var(--c2));
  box-shadow: 0 10px 24px rgba(6,182,212,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(6,182,212,.3) }
.btn-ghost {
  color: var(--ink); background: transparent; border: 1px solid #cbd5e1;
}
.btn-ghost:hover {
  color: #fff; background: linear-gradient(90deg, var(--c1), var(--c2));
  border-color: transparent; transform: translateY(-2px);
}
.muted { color: #64748b; font-size: 14px }

/* ============================================================
   SECTIONS & GRID
   ============================================================ */
.arti-section { padding: 72px 0 }
.arti-h2 { text-align: center; font-size: clamp(24px, 3vw, 36px); margin: 0 0 18px; font-weight: 800 }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px }
.card {
  grid-column: span 12; background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 24px;
  box-shadow: 0 10px 30px rgba(2,6,23,.06);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(2,6,23,.1) }
@media (min-width: 860px) { .card { grid-column: span 6 } }
@media (min-width: 980px) {
  .col8 { grid-column: span 8 }
  .col4 { grid-column: span 4 }
  .col12 { grid-column: span 12 }
}

/* ============================================================
   HELPERS: badge, chip, list
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(124,58,237,.08), rgba(6,182,212,.08));
}
.badge-green {
  background: rgba(22,163,74,.12); border-color: rgba(22,163,74,.3); color: var(--ok);
}
.dot { width: 8px; height: 8px; border-radius: 999px }
.dot-ok { background: var(--ok) }
.dot-warn { background: var(--warn) }

.chiprow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px }
.chip {
  font-size: 12px; border: 1px solid var(--line); background: #fff;
  border-radius: 999px; padding: 6px 10px;
}
.list-clean { margin: 12px 0 0; padding-left: 18px; color: #334155; line-height: 1.7 }

/* Feature list (icon-based) */
.list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px }
.li { display: flex; gap: 10px; align-items: flex-start; color: #334155; line-height: 1.55 }
.ic {
  width: 22px; height: 22px; border-radius: 8px;
  background: #f1f5f9; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); flex: 0 0 auto;
}
.li strong { color: #0f172a }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta {
  background: linear-gradient(90deg, rgba(124,58,237,.12), rgba(6,182,212,.12));
  border-radius: 18px; padding: 48px 24px; text-align: center;
}
.cta p { color: #475569; margin: .5rem 0 0 }

/* ============================================================
   PROMO BAR (hero)
   ============================================================ */
.promo-bar {
  display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  width: fit-content; margin: 0 auto 16px; padding: 8px 12px; border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(124,58,237,.10), rgba(6,182,212,.10));
  box-shadow: 0 6px 16px rgba(2,6,23,.06); font-size: 14px; color: #0f172a;
}
.promo-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px;
  background: #fff; border: 1px solid #cbd5e1;
  font-weight: 700; font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
}
.promo-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 10px; text-decoration: none;
  border: 1px solid #cbd5e1; background: #fff; color: #0f172a; font-weight: 600;
}
.promo-link:hover {
  background: linear-gradient(90deg, var(--c1), var(--c2));
  color: #fff; border-color: transparent; transform: translateY(-1px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.arti-footer { border-top: 1px solid var(--line); padding: 18px 0; color: #475569; font-size: 14px }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap }
.footer-links a { text-decoration: none; color: #0f172a; padding: 6px 8px; border-radius: 8px }
.footer-links a:hover { background: #f1f5f9 }

/* ============================================================
   BLINA DESK PRODUCT PAGE — specific styles
   ============================================================ */
.hero-product {
  position: relative; overflow: hidden; padding: 72px 0 32px;
  background:
    radial-gradient(1100px 520px at 8% 8%, rgba(14,165,233,.12) 0%, rgba(139,92,246,.12) 35%, rgba(255,255,255,0) 70%),
    radial-gradient(900px 480px at 92% 28%, rgba(139,92,246,.10) 0%, rgba(14,165,233,.10) 40%, rgba(255,255,255,0) 70%);
}
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 10px; font-weight: 800; flex-wrap: wrap }
.title { font-size: clamp(30px, 5vw, 52px); line-height: 1.1; margin: 0 0 10px; font-weight: 900 }
.subtitle { max-width: 980px; font-size: 18px; line-height: 1.7; color: #334155; margin: 0 }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px }
.mini { font-size: 13px; color: var(--muted); margin-top: 10px }

.hero-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap }
.hero-logo { width: 96px; height: 96px; border-radius: 22px; overflow: hidden; padding: 0 }
.hero-logo img { width: 100%; height: 100%; object-fit: cover; padding: 0; display: block; transform: scale(1.10) }
@media (min-width: 980px) { .hero-logo { width: 120px; height: 120px } }

/* Card headers/body */
.card-h { padding: 16px 16px 0 }
.card-b { padding: 16px }
.h2 { margin: 0 0 8px; font-size: 18px; font-weight: 800 }
.p { margin: 0; color: #475569; line-height: 1.65 }

/* Examples */
.ex-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 10px }
@media (min-width: 720px) { .ex-grid { grid-template-columns: 1fr 1fr } }
.ex { border: 1px solid var(--line); border-radius: 14px; padding: 12px; background: #fff }
.ex .k { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px }
.ex .k b { font-size: 13px }
.chip2 { font-size: 11px; padding: 5px 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--chip); color: #334155 }
.ex .q { margin: 0; color: #0f172a; font-weight: 650; font-size: 13px; line-height: 1.45 }
.ex .a { margin: 6px 0 0; color: #475569; font-size: 13px; line-height: 1.55 }

/* Packages */
.pack { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden }
.pack-h { padding: 14px 14px 0 }
.pack-b { padding: 14px }
.pack-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 6px }
.pack-top b { font-size: 14px }
.pack-tag { font-size: 11px; padding: 5px 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--chip); color: #334155 }
.pack-grid { display: grid; grid-template-columns: 1fr; gap: 12px }
@media (min-width: 720px) { .pack-grid { grid-template-columns: 1fr 1fr } }

/* Modules */
.mod-grid { display: grid; grid-template-columns: 1fr; gap: 12px }
@media (min-width: 720px) { .mod-grid { grid-template-columns: 1fr 1fr } }
@media (min-width: 980px) { .mod-grid-3 { grid-template-columns: 1fr 1fr 1fr } }
.mod {
  border: 1px solid var(--line); border-radius: 14px;
  padding: 14px; background: #fff;
  display: flex; gap: 10px; align-items: flex-start;
  transition: transform .2s, box-shadow .2s;
}
.mod:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(2,6,23,.08) }
.mod .mi {
  width: 34px; height: 34px; border-radius: 12px;
  background: #f1f5f9; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.mod .mn { margin: 0; font-weight: 900; font-size: 14px }
.mod .md { margin: 2px 0 0; color: #475569; font-size: 13px; line-height: 1.55 }
.mod .small { margin: 6px 0 0; font-size: 12px; color: #64748b }

/* Status rows */
.status { display: flex; flex-direction: column; gap: 10px }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
}
.row .l { display: flex; align-items: center; gap: 10px }
.row.ok { background: rgba(22,163,74,.14) }
.row.ok .dot { background: var(--ok) }
.row.wip { background: rgba(245,158,11,.14) }
.row.wip .dot { background: var(--warn) }
.row span { color: #475569; font-size: 13px }
.row b { font-size: 13px }

/* blina.ai link box */
.site-box {
  margin-top: 12px; border: 1px solid var(--line); border-radius: 16px; padding: 12px;
  background: linear-gradient(90deg, rgba(124,58,237,.10), rgba(6,182,212,.10));
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
}
.site-left { display: flex; align-items: center; gap: 10px }
.site-ic {
  width: 42px; height: 42px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(2,6,23,.08); font-size: 16px;
}
.site-t { display: flex; flex-direction: column }
.site-t b { font-size: 14px }
.site-t span { font-size: 12px; color: #475569 }
.site-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 12px;
  background: #0f172a; color: #fff; border: 1px solid #0f172a;
  font-weight: 800; font-size: 13px; transition: .15s;
  box-shadow: 0 10px 24px rgba(2,6,23,.12);
}
.site-btn:hover { transform: translateY(-1px); background: linear-gradient(90deg, var(--c1), var(--c2)); border-color: transparent }

/* ============================================================
   HOME PAGE — Blina Desk AI Feature Showcase
   ============================================================ */
.feature-showcase {
  padding: 72px 0;
  background: linear-gradient(180deg, rgba(124,58,237,.04) 0%, rgba(6,182,212,.04) 100%);
}
.feature-grid { display: grid; grid-template-columns: 1fr; gap: 18px }
@media (min-width: 720px) { .feature-grid { grid-template-columns: 1fr 1fr } }
@media (min-width: 980px) { .feature-grid { grid-template-columns: repeat(4, 1fr) } }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 24px; transition: transform .25s, box-shadow .25s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(2,6,23,.1) }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,.12), rgba(6,182,212,.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px;
}
.feature-card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800 }
.feature-card p { margin: 0; color: #475569; font-size: 14px; line-height: 1.6 }

/* ============================================================
   CTA (product page variant)
   ============================================================ */
.cta-row {
  grid-column: span 12;
  background: linear-gradient(90deg, rgba(124,58,237,.12), rgba(6,182,212,.12));
  border-radius: 18px; padding: 24px;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.cta-row h3 { margin: 0 0 4px; font-size: 18px }
.cta-row p { margin: 0; color: #475569 }
.cta-row .btns { display: flex; gap: 10px; flex-wrap: wrap }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  :root { --nav-h: 56px }
  .nav-inner { height: 56px }
  .mobile-sheet { inset: 56px 0 0 0; height: calc(100dvh - 56px) }
  .arti-hero { padding: 52px 0 46px }
  .arti-section { padding: 48px 0 }
  .feature-showcase { padding: 48px 0 }
}