/* ═══════════════════════════════════════════════════════════
   RUHI Applications — Bento Grid Design System
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }

/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --bg:           #f0f0f5;
  --tile-white:   #ffffff;
  --tile-soft:    #f7f7fa;
  --border:       #e4e4ec;
  --text-dark:    #0d0d12;
  --text-mid:     #5a5a72;
  --text-light:   #9a9ab0;
  --brand:        #6c47ff;
  --brand-dark:   #5535e8;
  --brand-light:  #ede9ff;
  --font-h:       'Plus Jakarta Sans', system-ui, sans-serif;
  --font-b:       'Inter', system-ui, sans-serif;
  --radius:       24px;
  --radius-sm:    16px;
  --radius-xs:    12px;
  --shadow-soft:  0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 20px 40px -10px rgba(0,0,0,0.09);
  /* App Colors */
  --c-dukanbook:    #0284c7;
  --c-rubrowser:    #0891b2;
  --c-rugallery:    #059669;
  --c-rucalendar:   #ea580c;
  --c-rucalculator: #db2777;
  --c-openhub:      #8b5cf6;
  --c-rumovies:     #e11d48;
}

body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  text-rendering: optimizeLegibility;
}

/* ─── NAVBAR ─────────────────────────────────────────────── */
.ru-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 8px 8px 8px 22px;
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}
.ru-nav-logo {
  font-family: var(--font-h);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-dark);
  text-decoration: none;
  margin-right: 6px;
  letter-spacing: -0.03em;
}
.ru-nav-logo span { color: var(--brand); }
.ru-nav-links { display: flex; align-items: center; gap: 2px; }
.ru-nav-links a {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-mid);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 9999px;
  transition: all 0.2s;
  letter-spacing: -0.01em;
}
.ru-nav-links a:hover,
.ru-nav-links a.active { background: var(--bg); color: var(--text-dark); }
.ru-nav-cta {
  background: var(--brand) !important;
  color: #fff !important;
  font-weight: 600 !important;
}
.ru-nav-cta:hover { background: var(--brand-dark) !important; }

/* Mobile toggle */
.ru-mobile-btn {
  display: none;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.ru-mobile-btn span {
  display: block; width: 20px; height: 2px;
  background: var(--text-dark); margin: 4px 0;
  transition: all 0.3s;
  border-radius: 2px;
}
.ru-drawer {
  display: none; position: fixed; inset: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 28px;
}
.ru-drawer.open { display: flex; }
.ru-drawer a {
  font-family: var(--font-h); font-size: 1.5rem; font-weight: 700;
  color: var(--text-dark); text-decoration: none;
  transition: color 0.2s;
}
.ru-drawer a:hover { color: var(--brand); }
.ru-drawer-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; font-size: 2rem;
  cursor: pointer; color: var(--text-mid); line-height: 1;
}

/* ─── PAGE WRAPPER ───────────────────────────────────────── */
.page-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 110px 24px 60px;
}

/* ─── SECTION HEADER ─────────────────────────────────────── */
.sec-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--brand);
  background: var(--brand-light);
  padding: 4px 12px; border-radius: 9999px;
  margin-bottom: 14px;
  font-family: var(--font-b);
}
.sec-title {
  font-family: var(--font-h);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}
.sec-desc {
  font-size: 0.95rem; color: var(--text-mid);
  line-height: 1.7; max-width: 560px;
  font-weight: 400;
}

/* ─── BENTO TILES ────────────────────────────────────────── */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(80px, auto);
  gap: 16px;
}
.tile {
  background: var(--tile-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), box-shadow 0.3s;
}
.tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.tile-pad { padding: 36px; height: 100%; min-height: 100px; display: flex; flex-direction: column; }

/* Column spans */
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* Row spans */
.row-2 { grid-row: span 2; }
.row-3 { grid-row: span 3; }
.row-4 { grid-row: span 4; }
.row-5 { grid-row: span 5; }
.row-6 { grid-row: span 6; }
.row-auto { grid-row: auto !important; height: auto !important; }

/* ─── COMMON TILE COLORS ─────────────────────────────────── */
.tile-dark {
  background: linear-gradient(135deg, #1a0533 0%, #0f1a40 50%, #001a2c 100%) !important;
  border-color: transparent !important;
  color: #fff;
}
.tile-brand {
  background: var(--brand) !important;
  border-color: transparent !important;
  color: #fff;
}
.tile-gradient {
  background: linear-gradient(90deg, var(--brand) 0%, #06b6d4 100%) !important;
  border-color: transparent !important;
  color: #fff;
}
.tile-light-purple { background: #f0edff !important; }
.tile-light-green  { background: #f0fdf4 !important; }
.tile-light-orange { background: #fff7ed !important; }
.tile-light-pink   { background: #fdf4ff !important; }
.tile-light-blue   { background: #f0f9ff !important; }

/* ─── AURORA GLOW (optional on dark tiles) ───────────────── */
.aurora-glow::before {
  content: '';
  position: absolute; top: -30%; right: -20%;
  width: 70%; height: 70%;
  background: radial-gradient(circle, rgba(108,71,255,0.5) 0%, transparent 70%);
  filter: blur(60px); pointer-events: none;
}
.aurora-glow::after {
  content: '';
  position: absolute; bottom: -20%; left: -10%;
  width: 60%; height: 60%;
  background: radial-gradient(circle, rgba(6,182,212,0.3) 0%, transparent 70%);
  filter: blur(60px); pointer-events: none;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────────── */
.display-title {
  font-family: var(--font-h);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.06;
  letter-spacing: -0.04em;
  font-feature-settings: 'ss01', 'ss02';
}
.display-title .grad {
  background: linear-gradient(90deg, #a78bfa, #67e8f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tile-label {
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; opacity: 0.5; margin-bottom: 6px;
  font-family: var(--font-b);
}
.tile-stat-num {
  font-family: var(--font-h);
  font-size: 3rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--brand), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
}

/* ─── APP CHIP ───────────────────────────────────────────── */
.app-chip {
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.app-chip-icon {
  width: 54px; height: 54px; border-radius: 14px;
  overflow: hidden; flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
}
.app-chip-icon img { width: 100%; height: 100%; object-fit: cover; }
.app-chip-name { font-family: var(--font-h); font-size: 1.1rem; font-weight: 700; letter-spacing: -0.02em; }
.app-chip-cat  { font-size: 0.76rem; color: var(--text-light); font-weight: 500; margin-top: 3px; letter-spacing: 0.01em; }

/* ─── FEATURE ICON BOX ───────────────────────────────────── */
.feat-icon-box {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 16px; flex-shrink: 0;
}

/* ─── ARROW LINK ─────────────────────────────────────────── */
.arrow-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-h); font-size: 0.88rem; font-weight: 700;
  text-decoration: none; transition: gap 0.2s;
  color: var(--brand);
  margin-top: auto; padding-top: 16px;
}
.arrow-link:hover { gap: 10px; }
.arrow-link::after { content: '→'; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn-dark {
  background: var(--text-dark);
  color: #fff;
  font-family: var(--font-h); font-weight: 700; font-size: 0.9rem;
  padding: 12px 24px; border-radius: var(--radius-xs);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; border: none; cursor: pointer;
}
.btn-dark:hover { background: #1e1e2e; transform: translateY(-1px); }
.btn-white {
  background: #fff; color: var(--text-dark);
  font-family: var(--font-h); font-weight: 700; font-size: 0.9rem;
  padding: 12px 24px; border-radius: var(--radius-xs);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; border: none; cursor: pointer;
}
.btn-white:hover { background: #f0f0f5; transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.18);
  font-family: var(--font-h); font-weight: 600; font-size: 0.9rem;
  padding: 12px 24px; border-radius: var(--radius-xs);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.18); }
.btn-brand {
  background: var(--brand); color: #fff;
  font-family: var(--font-h); font-weight: 700; font-size: 0.9rem;
  padding: 12px 24px; border-radius: var(--radius-xs);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; border: none; cursor: pointer;
}
.btn-brand:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-dark);
  font-family: var(--font-h); font-weight: 600; font-size: 0.9rem;
  padding: 12px 24px; border-radius: var(--radius-xs);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; cursor: pointer;
}
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btns-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ─── APP ACCENT BORDERS ─────────────────────────────────── */
.accent-dukanbook    { border-top: 3px solid var(--c-dukanbook) !important; }
.accent-rubrowser    { border-top: 3px solid var(--c-rubrowser) !important; }
.accent-rugallery    { border-top: 3px solid var(--c-rugallery) !important; }
.accent-rucalendar   { border-top: 3px solid var(--c-rucalendar) !important; }
.accent-rucalculator { border-top: 3px solid var(--c-rucalculator) !important; }
.accent-openhub      { border-top: 3px solid var(--c-openhub) !important; }
.accent-rumovies     { border-top: 3px solid var(--c-rumovies) !important; }

/* ─── PLATFORM PILLS ─────────────────────────────────────── */
.platform-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.platform-pill {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 9999px; padding: 10px 18px;
  font-family: var(--font-h); font-size: 0.85rem; font-weight: 600;
}

/* ─── FAQ ACCORDION ──────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
  background: var(--tile-white);
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-soft); }
.faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 18px 22px; text-align: left;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-h); font-size: 0.95rem; font-weight: 600;
  color: var(--text-dark); gap: 12px;
}
.faq-q .faq-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; font-weight: 700; color: var(--brand);
  transition: transform 0.3s;
}
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1);
}
.faq-a-inner {
  padding: 0 22px 18px;
  font-size: 0.9rem; color: var(--text-mid); line-height: 1.7;
}
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-a { max-height: 300px; }

/* ─── POLICY/LEGAL LIST ──────────────────────────────────── */
.policy-section { margin-bottom: 40px; }
.policy-section h2 {
  font-family: var(--font-h); font-size: 1.25rem; font-weight: 700;
  margin-bottom: 14px; color: var(--text-dark);
}
.policy-section p, .policy-section li {
  font-size: 0.95rem; color: var(--text-mid);
  line-height: 1.75; margin-bottom: 10px;
}
.policy-section ul { padding-left: 20px; }

/* ─── INFO BOXES ─────────────────────────────────────────── */
.info-box {
  border-radius: var(--radius-sm); padding: 20px 24px;
  margin-bottom: 16px;
}
.info-box.blue   { background: #eff6ff; border: 1px solid #bfdbfe; }
.info-box.green  { background: #f0fdf4; border: 1px solid #bbf7d0; }
.info-box.orange { background: #fff7ed; border: 1px solid #fed7aa; }
.info-box.red    { background: #fef2f2; border: 1px solid #fecaca; }
.info-box h4     { font-family: var(--font-h); font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.info-box p      { font-size: 0.88rem; line-height: 1.6; margin: 0; }

/* ─── CONTACT FORM ───────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-family: var(--font-h); font-size: 0.85rem;
  font-weight: 600; color: var(--text-dark); margin-bottom: 7px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 12px 16px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius-xs); font-family: var(--font-b);
  font-size: 0.95rem; color: var(--text-dark);
  outline: none; transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--brand); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.ru-footer {
  border-top: 1px solid var(--border);
  padding: 60px 24px 40px;
  background: #fff;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-h); font-size: 1.2rem; font-weight: 800;
  margin-bottom: 10px; text-decoration: none; color: var(--text-dark);
}
.footer-logo span { color: var(--brand); }
.footer-desc { font-size: 0.88rem; color: var(--text-mid); max-width: 240px; line-height: 1.65; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h4 {
  font-family: var(--font-h); font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-dark); margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.9rem; color: var(--text-mid); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-dark); }
.footer-bottom {
  max-width: 1280px; margin: 36px auto 0;
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 16px;
  font-size: 0.83rem; color: var(--text-light);
}
.footer-bottom a { color: var(--text-mid); text-decoration: none; margin-left: 18px; transition: color 0.2s; }
.footer-bottom a:hover { color: var(--text-dark); }

/* ─── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s cubic-bezier(0.16,1,0.3,1), transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(6, 1fr); }
  .col-3  { grid-column: span 3; }
  .col-4  { grid-column: span 3; }
  .col-5  { grid-column: span 6; }
  .col-6  { grid-column: span 6; }
  .col-7  { grid-column: span 6; }
  .col-8  { grid-column: span 6; }
  .col-9  { grid-column: span 6; }
  .col-12 { grid-column: span 6; }
  .row-5, .row-6 { grid-row: span 4; }
}
@media (max-width: 700px) {
  .bento { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-12 { grid-column: span 2; }
  .col-half-m { grid-column: span 1; }
  .row-2, .row-3, .row-4, .row-5, .row-6 { grid-row: auto; }
  .tile-pad { padding: 22px; }
  .page-wrap { padding: 90px 14px 40px; }
  .ru-nav-links a:not(.ru-nav-cta) { display: none; }
  .ru-mobile-btn { display: block; }
  .footer-cols { gap: 32px; }
  .display-title { font-size: 1.9rem; }
}