/* ============================================================
   OK.ru Social Network Style — Complete UI
   ============================================================ */

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ok: #EE8208;
  --ok-hover: #D97706;
  --ok-light: #FFF7ED;
  --ok-green: #67A526;
  --bg: #EDEDED;
  --card: #fff;
  --text: #333;
  --text-secondary: #666;
  --muted: #999;
  --border: #D9D9D9;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 18px;
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

html {
  overflow-x: hidden;
}

a { color: var(--ok); text-decoration: none; }
a:hover { color: var(--ok-hover); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
strong { font-weight: 600; }

/* ── OK Card (base white card) ───────────────────────────── */
.ok-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ── TOP BAR ─────────────────────────────────────────────── */
.ok-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, #F7931E 0%, #EE8208 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.ok-topbar__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1rem;
  height: 56px;
}
.ok-topbar__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.ok-topbar__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}
.ok-topbar__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: rgba(255,255,255,0.75);
  font-size: 0.7rem;
  padding: 6px 14px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.ok-topbar__link:hover,
.ok-topbar__link--active {
  color: #fff;
  background: rgba(255,255,255,0.15);
}
.ok-topbar__phone {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  flex-shrink: 0;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  animation: solarPulseWhite 2s infinite;
}

@keyframes solarPulseWhite {
  0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* ── PROFILE COVER ───────────────────────────────────────── */
.ok-cover {
  position: relative;
  background: linear-gradient(135deg, #F7931E 0%, #EE8208 40%, #D97706 100%);
  padding: 3rem 1rem 2rem;
  overflow: hidden;
}
.ok-cover__gradient {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.12) 0%, transparent 70%);
}
.ok-cover__content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.ok-cover__info { flex: 1; min-width: 250px; }
.ok-cover__name {
  color: #fff;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.ok-cover__status {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  margin-bottom: 1rem;
}
.ok-cover__stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.ok-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
}
.ok-stat strong {
  font-size: 1.25rem;
  font-weight: 700;
}
.ok-stat span {
  font-size: 0.75rem;
  opacity: 0.8;
}
.ok-cover__cta {
  flex-shrink: 0;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.8);
  animation: solarPulseWhite 2s infinite !important;
}

/* ── AVATAR ──────────────────────────────────────────────── */
.ok-avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ok);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.ok-avatar--xl { width: 100px; height: 100px; border: 3px solid rgba(255,255,255,0.6); }
.ok-avatar--sm { width: 40px; height: 40px; }
.ok-avatar--xs { width: 32px; height: 32px; font-size: 0.85rem; }

/* ── LAYOUT (3 columns) ─────────────────────────────────── */
.ok-layout {
  max-width: 1100px;
  margin: 1rem auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 200px 1fr 260px;
  gap: 1rem;
  align-items: start;
}

/* ── SIDEBAR ─────────────────────────────────────────────── */
.ok-sidebar { position: sticky; top: 72px; }

.ok-sidebar__nav {
  padding: 0.5rem 0;
  display: flex;
  flex-direction: column;
}
.ok-sidebar__link {
  display: block;
  padding: 10px 16px;
  color: var(--text);
  font-size: 0.9rem;
  border-left: 3px solid transparent;
  transition: background 0.1s, border-color 0.1s;
}
.ok-sidebar__link:hover {
  background: var(--ok-light);
  color: var(--ok);
}
.ok-sidebar__link--active {
  border-left-color: var(--ok);
  background: var(--ok-light);
  color: var(--ok);
  font-weight: 600;
}
.ok-sidebar__contact {
  margin-top: 0.75rem;
  padding: 1rem;
}
.ok-sidebar__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.ok-sidebar__contact-link {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--ok);
}

/* Right sidebar cards */
.ok-sidebar--right .ok-card { padding: 1rem; margin-bottom: 0.75rem; }
.ok-sidebar__promo { text-align: center; }
.ok-sidebar__promo-title { font-size: 0.9rem; font-weight: 700; color: var(--ok); margin-bottom: 4px; }
.ok-sidebar__promo-text { font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--text); }
.ok-mini-list li {
  font-size: 0.85rem;
  padding: 5px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid #f0f0f0;
}
.ok-mini-list li:last-child { border-bottom: none; }

/* ── FEED (center column) ────────────────────────────────── */
.ok-feed {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0; /* Critical: prevents grid child from overflowing */
  overflow: hidden;
}

/* ── POST ────────────────────────────────────────────────── */
.ok-post { overflow: hidden; max-width: 100%; word-break: break-word; }
.ok-post__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid #f0f0f0;
}
.ok-post__author { font-size: 0.95rem; color: var(--text); display: block; }
.ok-post__time { font-size: 0.8rem; color: var(--muted); }
.ok-post__body {
  padding: 16px;
}
.ok-post__body p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}
.ok-post__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.ok-post__footer {
  display: flex;
  border-top: 1px solid #f0f0f0;
  padding: 0;
}

/* ── POST highlight box ──────────────────────────────────── */
.ok-post__highlight {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--ok-light);
  border: 1px solid #FED7AA;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.ok-post__highlight-icon { font-size: 1.5rem; flex-shrink: 0; }
.ok-post__highlight strong { color: var(--ok); display: block; margin-bottom: 2px; }
.ok-post__highlight p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

/* ── POST CTA row ────────────────────────────────────────── */
.ok-post__actions-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── REACTIONS ────────────────────────────────────────────── */
.ok-reaction {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 8px;
  font-size: 0.9rem;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  position: relative;
  overflow: visible;
}
.ok-reaction:hover {
  background: #f5f5f5;
  color: var(--ok);
}
.ok-reaction.is-liked {
  color: #E84C3D;
  background: rgba(232, 76, 61, 0.05);
}
.ok-reaction__icon { font-size: 1.1rem; transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.ok-reaction.is-liked .ok-reaction__icon { transform: scale(1.2); }
.ok-reaction__count { font-weight: 600; }

.ok-like-anim {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  color: #E84C3D;
  font-weight: bold;
  font-size: 1.1rem;
  pointer-events: none;
  animation: floatUpLike 0.8s forwards ease-out;
  text-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

@keyframes floatUpLike {
  0% { transform: translate(-50%, 0) scale(0.5); opacity: 0; }
  20% { transform: translate(-50%, -10px) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%, -30px) scale(1); opacity: 0; }
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.ok-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  min-height: 48px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
}
.ok-btn--primary {
  background: var(--ok);
  color: #fff;
  box-shadow: 0 2px 8px rgba(238,130,8,0.3);
  animation: solarPulseBtn 2s infinite;
}
.ok-btn--primary:hover {
  background: var(--ok-hover);
  transform: translateY(-1px);
  color: #fff;
  animation: none;
}
@keyframes solarPulseBtn {
  0% { box-shadow: 0 0 0 0 rgba(238, 130, 8, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(238, 130, 8, 0); }
  100% { box-shadow: 0 0 0 0 rgba(238, 130, 8, 0); }
}
.ok-btn--ghost {
  background: #fff;
  color: var(--ok);
  border: 1px solid var(--border);
}
.ok-btn--ghost:hover {
  border-color: var(--ok);
  background: var(--ok-light);
}
.ok-btn--sm { padding: 8px 16px; min-height: 48px; font-size: 0.95rem; }
.ok-btn--lg { padding: 14px 28px; min-height: 52px; font-size: 1.1rem; width: 100%; }

/* ── TOOLS GRID ──────────────────────────────────────────── */
.ok-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 0.5rem;
}
.ok-tools-grid.ok-swiper > .ok-tool-card {
  width: calc(25% - 9px);
  flex-shrink: 0;
}
.ok-tool-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid #eee;
  border-radius: var(--radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text);
  background: #fff;
}
.ok-tool-card:hover {
  border-color: var(--ok);
  box-shadow: 0 8px 16px rgba(238,130,8,0.12);
  transform: translateY(-2px);
  color: var(--text);
}

/* AI Glow effect */
.ok-tool-card--ai {
  border-color: #e9d5ff;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
  animation: aiPulseGlow 2.5s infinite alternate ease-in-out;
  background: linear-gradient(to bottom right, #fff, #fdf4ff) !important;
}
@keyframes aiPulseGlow {
  0% { 
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.1); 
    border-color: #e9d5ff;
  }
  100% { 
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.4), 0 0 40px rgba(168, 85, 247, 0.1); 
    border-color: #c084fc;
  }
}
.ok-tool-card--ai:hover {
  border-color: #a855f7;
  box-shadow: 0 12px 30px rgba(168, 85, 247, 0.35);
  animation-play-state: paused;
}
.ok-tool-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.ok-tool-card:hover .ok-tool-card__icon {
  transform: scale(1.15) rotate(5deg);
}
.ok-tool-card__info strong { display: block; font-size: 0.9rem; transition: color 0.3s; }
.ok-tool-card:hover .ok-tool-card__info strong { color: var(--ok); }
.ok-tool-card__info span { font-size: 0.78rem; color: var(--muted); }

/* ── PROGRAM CARDS ───────────────────────────────────────── */
.ok-programs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 0.5rem;
}
.ok-program-card {
  position: relative;
  border: 1px solid #eee;
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.2s, transform 0.2s;
}
.ok-program-card:hover {
  border-color: var(--ok);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.ok-program-card--accent { border-color: var(--ok); background: var(--ok-light); }
.ok-program-card__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--ok);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.ok-program-card__emoji { font-size: 2.5rem; margin-bottom: 0.5rem; }
.ok-program-card h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.ok-program-card__grade { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-bottom: 0.5rem; }
.ok-program-card__desc { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.75rem; line-height: 1.5; }
.ok-program-card__price {
  margin-bottom: 0.75rem;
}
.ok-program-card__price strong { font-size: 1.35rem; color: var(--ok); }
.ok-program-card__price s { font-size: 0.9rem; color: var(--muted); margin-left: 6px; }

/* ── CHECKLIST ───────────────────────────────────────────── */
.ok-checklist {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 1.25rem;
}
.ok-checklist li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.ok-checklist strong {
  color: #333;
}

/* ── CERTIFICATES ────────────────────────────────────────── */
.ok-certs-row {
  display: flex;
  gap: 10px;
  margin-top: 1rem;
}
.ok-cert-thumb {
  width: calc(33.333% - 7px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.ok-cert-thumb:hover {
  border-color: var(--ok);
  transform: scale(1.02);
}

/* ── DEMO PREVIEW ────────────────────────────────────────── */
.ok-demo-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 2rem;
  background: linear-gradient(135deg, var(--ok-light), #fff);
  border: 2px dashed var(--ok);
  border-radius: var(--radius);
  color: var(--ok);
  font-weight: 600;
  font-size: 1.1rem;
  transition: background 0.2s;
}
.ok-demo-preview:hover {
  background: var(--ok-light);
  color: var(--ok-hover);
}
.ok-demo-preview__play {
  font-size: 2rem;
}

/* ── REVIEWS ─────────────────────────────────────────────── */
.ok-review {
  padding: 14px;
  border: 1px solid #f0f0f0;
  border-radius: var(--radius);
  margin-bottom: 10px;
}
.ok-review__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.ok-review__head strong { font-size: 0.9rem; display: block; }
.ok-review__head span { font-size: 0.78rem; color: var(--muted); }
.ok-review p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 6px; line-height: 1.5; }
.ok-review__stars { color: var(--ok); font-size: 0.9rem; letter-spacing: 2px; }

/* ── FAQ ACCORDION ───────────────────────────────────────── */
.ok-faq {
  border: 1px solid #eee;
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
}
.ok-faq summary {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.1s;
}
.ok-faq summary:hover { background: #fafafa; }
.ok-faq summary::before { content: '▸'; color: var(--ok); font-size: 1rem; transition: transform 0.2s; }
.ok-faq[open] summary::before { transform: rotate(90deg); }
.ok-faq[open] summary { background: var(--ok-light); border-bottom: 1px solid #f0f0f0; }
.ok-faq p {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ── FORM ────────────────────────────────────────────────── */
.ok-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.ok-form__group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ok-form__group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.ok-form__group input,
.ok-form__group textarea {
  padding: 12px 14px;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: #FAFAFA;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ok-form__group input:focus,
.ok-form__group textarea:focus {
  outline: none;
  border-color: var(--ok);
  box-shadow: 0 0 0 3px rgba(238,130,8,0.12);
  background: #fff;
}
.ok-form__group input::placeholder,
.ok-form__group textarea::placeholder {
  color: #bbb;
}
.ok-form__hint {
  font-size: 0.85rem;
  color: var(--ok);
  font-weight: 500;
  margin-top: 2px;
}
.ok-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}
.ok-form__checkbox input { margin-top: 3px; accent-color: var(--ok); }
.ok-form__status {
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  font-size: 0.9rem;
}
.ok-form__status--ok { background: #E8F5E9; color: var(--ok-green); }
.ok-form__status--err { background: #FFEBEE; color: #D32F2F; }

/* ── SPECIAL: GLOWING FORM CARD ──────────────────────────── */
#lead {
  border: 2px solid #FFCC80;
  background: linear-gradient(180deg, #FFFFFF 0%, #FFFDF5 100%);
  border-radius: 12px;
  animation: sunnyGlow 4s infinite alternate;
}

@keyframes sunnyGlow {
  0% {
    box-shadow: 0 0 15px rgba(255, 165, 0, 0.15), 0 4px 15px rgba(238, 130, 8, 0.1);
    border-color: #FFE0B2;
  }
  100% {
    box-shadow: 0 0 30px rgba(255, 165, 0, 0.35), 0 10px 30px rgba(238, 130, 8, 0.2);
    border-color: #FFB74D;
  }
}

/* ── FOOTER ──────────────────────────────────────────────── */
.ok-footer {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-bottom: calc(1.5rem + 70px + env(safe-area-inset-bottom, 0px));
}
.ok-footer a { color: var(--ok); }

/* ── LIGHTBOX ────────────────────────────────────────────── */
.ok-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.ok-lightbox img {
  max-height: 80vh;
  max-width: 90vw;
  border-radius: 8px;
}
.ok-lightbox p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}
.ok-lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}
.ok-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  padding: 12px;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.15s;
}
.ok-lightbox__nav:hover { background: rgba(255,255,255,0.3); }
.ok-lightbox__nav--prev { left: 20px; }
.ok-lightbox__nav--next { right: 20px; }

.ok-swiper-container {
  position: relative;
  width: 100%;
}

/* ── SWIPER FOR MOBILE & DESKTOP ─────────────────────────── */
.ok-swiper {
  display: flex !important;
  flex-wrap: nowrap;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  margin-bottom: -12px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  user-select: none; /* prevent text selection while dragging */
  cursor: grab;
  scroll-behavior: smooth; /* enable smooth programmatical scrolling */
}
.ok-swiper::-webkit-scrollbar {
  display: none;
}
.ok-swiper > * {
  scroll-snap-align: center;
  flex-shrink: 0;
  width: 85%;
  max-width: 340px;
}
.ok-review-swiper > .ok-review {
  margin-bottom: 0;
}

.ok-swiper-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: #fff;
  border-radius: 50%;
  border: 1px solid #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: opacity 0.3s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  color: #333;
  font-size: 1.2rem;
}
.ok-swiper-arrow:hover {
  background: #f8f8f8;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}
.ok-swiper-arrow--prev { left: -20px; }
.ok-swiper-arrow--next { right: -20px; }

@media (max-width: 1100px) {
  .ok-swiper-arrow { display: none; } /* Hide arrows on smaller screens to avoid overlapping content */
}

/* ── PLATFORM MODAL & REVIEWS MODAL ──────────────────────── */
.ok-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ok-modal-content {
  background: #fff;
  width: 95%;
  max-width: 1000px;
  height: 90vh;
  max-height: 90vh;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.ok-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative; /* For the drag handle */
}
.ok-modal-drag-handle {
  display: block;
  width: 40px;
  height: 5px;
  background: #ccc;
  border-radius: 3px;
  margin: 0 auto 6px auto;
}

.ok-modal-header {
  cursor: grab;
  padding: 12px 20px 10px;
  min-height: 48px;
}

.ok-modal-header h3 { margin: 0; font-size: 1.2rem; }

.ok-modal-close {
  background: var(--ok);
  color: #fff;
  border: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.4rem;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(238, 130, 8, 0.5);
  animation: modalCloseGlow 2s infinite alternate;
  font-weight: bold;
}
.ok-modal-close:hover { 
  background: #d87304; 
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(238, 130, 8, 0.8);
}

@keyframes modalCloseGlow {
  0% { box-shadow: 0 0 8px rgba(238, 130, 8, 0.4); }
  100% { box-shadow: 0 0 20px rgba(238, 130, 8, 0.8), 0 0 35px rgba(238, 130, 8, 0.4); }
}

.ok-modal-body {
  padding: 20px;
  overflow-y: auto;
}

.ok-modal-review {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #f0f0f0;
}
.ok-modal-review:last-child { border: 0; margin: 0; padding: 0; }

/* Existing platform modal override if needed */
.platform-modal-content {
  width: 95vw;
  height: 90vh;
  max-width: 1200px;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .platform-modal-content {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: none !important;
    border-radius: 16px 16px 0 0;
  }
  #platformModal {
    padding: 0 !important;
    align-items: flex-end !important;
  }
  .ok-layout {
    grid-template-columns: 1fr;
    padding-bottom: 70px;
  }
  .ok-sidebar--left,
  .ok-sidebar--right {
    display: none;
  }
  .ok-topbar__phone { display: none; }
  .ok-topbar { box-shadow: none; position: relative; }
  
  .ok-topbar__nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    justify-content: space-around;
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0px));
  }
  .ok-topbar__link {
    flex: 1;
    color: var(--text-secondary);
    min-height: 48px;
    padding: 6px 4px;
    border-radius: 0;
  }
  .ok-topbar__link span {
    display: block;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 0.75rem;
  }
  .ok-topbar__link svg {
    fill: currentColor;
    width: 24px;
    height: 24px;
  }
  .ok-topbar__link:hover,
  .ok-topbar__link--active {
    background: transparent;
    color: var(--ok);
  }
  .ok-topbar__link--active span {
    color: var(--ok);
    font-weight: 600;
  }
  .ok-programs { grid-template-columns: 1fr; }
  .ok-tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .ok-tool-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    padding: 16px 12px;
    min-height: 120px;
    justify-content: center;
  }
  .ok-tool-card__icon {
    font-size: 1.8rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 2px;
  }
  .ok-tool-card__info strong {
    font-size: 0.9rem;
    line-height: 1.25;
    display: block;
    margin-bottom: 4px;
    color: var(--text);
  }
  .ok-tool-card__info span {
    font-size: 0.75rem;
    line-height: 1.3;
    color: var(--text-secondary);
    display: block;
  }
  .ok-cover__content { flex-direction: column; text-align: center; }
  .ok-cover__stats { justify-content: center; }
  .ok-cover__cta { width: 100%; }
  .ok-certs-row {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: 10px;
    padding-bottom: 6px;
  }
  .ok-cert-thumb {
    width: auto;
    height: 160px;
    flex-shrink: 0;
    scroll-snap-align: start;
    border: 2px solid rgba(238, 130, 8, 0.3);
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(238, 130, 8, 0.2);
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .ok-cert-thumb:active {
    border-color: var(--ok);
    box-shadow: 0 0 20px rgba(238, 130, 8, 0.5);
  }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .ok-layout {
    grid-template-columns: 1fr 260px;
  }
  .ok-sidebar--left { display: none; }
}

/* -- PRICING SECTION -- */
.ok-pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 1.5rem;
  padding: 10px 0;
  align-items: stretch; /* all cards same height */
}

.ok-price-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.ok-price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* Card border variants */
.ok-card-start  { border: 1px solid #D1E4F9; }
.ok-card-group  { border: 1px solid #D4E8D4; }
.ok-card-single { border: 1px solid #F8E5C4; }
.ok-card-vip    { border: 2px solid #EE8208; }
.ok-card-vip:hover { transform: translateY(-4px) scale(1.02); }

/* ── Header ── */
.ok-price-card__header {
  padding: 12px 18px;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.3;
}
.ok-card-start  .ok-price-card__header { background: #E5F0FA; color: #1976D2; }
.ok-card-group  .ok-price-card__header { background: #E8F5E9; color: #388E3C; }
.ok-card-single .ok-price-card__header { background: #FCF3E3; color: #E65100; }
.ok-card-vip    .ok-price-card__header { background: #F3E5F5; color: #7B1FA2; }

/* ── Content area (flex column → buttons pinned to bottom) ── */
.ok-price-card__content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;            /* stretch to fill remaining card height */
  gap: 0;             /* we control spacing via margins */
}

/* Title (e.g. "Первый урок", "Мини-группа") */
.ok-price-card__content h3 {
  margin: 0 0 20px 0;
  font-size: 1.1rem;
  color: #333;
  font-weight: 700;
}

/* ── Price block ── */
.ok-price-card__prices {
  margin-bottom: 16px;
}
.ok-price-card__old-price {
  display: block;
  font-size: 0.9rem;
  font-weight: 400;
  color: #aaa;
  text-decoration: line-through;
  margin-bottom: 2px;
  line-height: 1;
}
.ok-price-card__current-price {
  font-size: 1.55rem;
  font-weight: 800;
  color: #333;
  white-space: nowrap; /* CRITICAL: prevent "1 530" and "₽" from splitting */
  line-height: 1.2;
}
.ok-price-card__price-note {
  display: block;
  font-size: 0.85rem;
  color: #999;
  margin-top: 4px;
  line-height: 1.4;
}

.ok-pricing-footer {
  margin-top: 2rem;
  padding: 16px;
  background: #fff8f0;
  border: 1px dashed #EE8208;
  border-radius: 10px;
  text-align: center;
}
.ok-pricing-footer p {
  margin: 0;
  font-size: 1rem;
  color: #333;
}
.ok-pricing-footer strong {
  color: #EE8208;
  font-size: 1.2rem;
  padding: 0 4px;
  display: inline-block;
  animation: promoPulse 2s infinite ease-in-out;
}

@keyframes promoPulse {
  0% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.1); filter: brightness(1.2); }
  100% { transform: scale(1); filter: brightness(1); }
}

/* Description */
.ok-price-card__content p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: #666;
  margin: 0;
  flex-grow: 1;       /* pushes button to bottom */
}

/* ── Buttons ── */
/* Outline button for first 3 cards */
.ok-btn--outline-orange {
  display: block;
  width: 100%;
  padding: 12px 16px;
  margin-top: 20px;   /* space above button */
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  color: #EE8208;
  background: transparent;
  border: 2px solid #EE8208;
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.ok-btn--outline-orange:hover {
  background: #EE8208;
  color: #fff;
}

.ok-btn--outline-orange {
  animation: solarPulseBtn 2s infinite;
}
.ok-btn--outline-orange:hover {
  animation: none;
}

/* Filled button for VIP card */
.ok-btn--primary-orange {
  display: block;
  width: 100%;
  padding: 14px 16px;
  margin-top: 20px;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: #EE8208;
  border: 2px solid #EE8208;
  border-radius: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(238,130,8,0.25);
  cursor: pointer;
  animation: solarPulseBtn 2s infinite;
}
.ok-btn--primary-orange:hover {
  background: #d87304;
  border-color: #d87304;
  color: #fff;
  animation: none;
}

.badge-accent {
  background: #EE8208;
  color: #fff;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.03em;
}

/* ── Responsive ── */
@media (max-width: 1000px) {
  .ok-pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .ok-modal-overlay {
    align-items: flex-end; /* Bottom sheet behavior */
  }
  .ok-modal-content {
    width: 100%;
    height: auto; /* auto height for flex child */
    max-height: 95vh;
    border-radius: 20px 20px 0 0;
    animation: modalSlideUp 0.3s cubic-bezier(0.1, 0.88, 0.3, 1);
  }
  .ok-modal-drag-handle {
    display: block; /* Show handle on mobile */
  }
  .platform-modal-content {
    height: 100dvh !important;
    max-height: none !important;
    border-radius: 16px 16px 0 0 !important;
  }
  
  @keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(100%); }
    to { opacity: 1; transform: translateY(0); }
  }

  .ok-pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding-bottom: 20px;
  }
  .ok-price-card {
    min-width: 0;
    max-width: none;
    flex-shrink: 1;
  }
  
  /* Compact sizes for 2x2 mobile pricing cards */
  .ok-price-card__header {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  .ok-price-card__content {
    padding: 12px;
  }
  .ok-price-card__content h3 {
    margin: 0 0 10px 0;
    font-size: 0.95rem;
  }
  .ok-price-card__prices {
    margin-bottom: 10px;
  }
  .ok-price-card__old-price {
    font-size: 0.75rem;
  }
  .ok-price-card__current-price {
    font-size: 1.25rem;
  }
  .ok-price-card__price-note {
    font-size: 0.65rem;
  }
  .ok-price-card__desc {
    font-size: 0.75rem;
    margin-bottom: 12px;
  }
  
  .ok-card-vip { transform: none; }
  .ok-card-vip:hover { transform: translateY(-4px); }
}

/* ============================================================
   iOS SAFARI FIXES (Global)
   ============================================================ */
@supports (-webkit-touch-callout: none) {
  /* iOS Safari: 100vh includes the URL bar. Use -webkit-fill-available */
  .ok-modal-overlay {
    height: -webkit-fill-available;
  }

  .ok-modal-body {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
  }

  /* Prevent background scroll when modal is open */
  body[style*="overflow: hidden"] {
    position: fixed;
    width: 100%;
  }

  /* Platform modal iOS height fix */
  @media (max-width: 900px) {
    .platform-modal-content {
      height: -webkit-fill-available !important;
    }
  }
}