/* ═══════════════════════════════════════════════════════
   SHAMZO Shoes — Landing CSS
   Dark Navy-Slate Theme — Mobile-First
   ═══════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;800&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0d1321;
  --bg-secondary: #151d2e;
  --gold: #7a9ab8;
  --gold-light: #a3bdd4;
  --gold-dark: #5a7a9a;
  --text-primary: #e8ecf2;
  --text-secondary: #8a9bb0;
  --error: #D94A4A;
  --success: #4CAF7A;
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Montserrat', 'Arial', sans-serif;
  --gold-glow: 0 0 30px rgba(122,154,184,0.15);
  --card-bg: linear-gradient(145deg, #182236 0%, #0f1825 100%);
  --border-gold: 1px solid rgba(122,154,184,0.25);
  --marble: url("data:image/svg+xml,%3Csvg width='200' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background: var(--marble), radial-gradient(ellipse at 20% 0%, rgba(122,154,184,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 100%, rgba(122,154,184,0.04) 0%, transparent 60%);
  pointer-events: none; z-index: 0;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ── Навигация ─────────────────────────── */
.top-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,19,33,0.9); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-gold); padding: 10px 0;
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
  color: var(--gold); letter-spacing: 2px; text-decoration: none;
}
.logo span { color: var(--text-primary); font-weight: 400; }
.lang-switch { display: flex; gap: 2px; }
.lang-switch a {
  padding: 6px 14px; font-size: 0.75rem; font-weight: 600;
  text-decoration: none; letter-spacing: 2px; transition: all 0.3s;
  border: 1px solid rgba(122,154,184,0.3); color: var(--text-secondary);
}
.lang-switch a:first-child { border-radius: 4px 0 0 4px; }
.lang-switch a:last-child { border-radius: 0 4px 4px 0; }
.lang-switch a.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0d1321; border-color: var(--gold);
}
.lang-switch a:hover:not(.active) { border-color: var(--gold); color: var(--gold); }

/* ── Hero ──────────────────────────────── */
.hero {
  padding: 90px 0 40px; position: relative;
  background: radial-gradient(ellipse at 50% 20%, rgba(122,154,184,0.08) 0%, transparent 70%);
  min-height: auto; display: flex; align-items: center;
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero-badge {
  display: inline-block; padding: 5px 16px; border: var(--border-gold);
  font-size: 0.65rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 16px; font-weight: 600;
}
.hero-title {
  font-family: var(--font-heading); font-size: clamp(1.8rem, 6vw, 4rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 24px; max-width: 520px; margin-left: auto; margin-right: auto;
}
.hero-brands {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px;
  justify-content: center;
}
.hero-brands span {
  padding: 3px 10px; border: 1px solid rgba(122,154,184,0.15);
  font-size: 0.68rem; color: var(--text-secondary); letter-spacing: 1px;
  border-radius: 2px;
}

/* ── Форма ─────────────────────────────── */
.form-card {
  background: var(--card-bg); border: var(--border-gold);
  border-radius: 8px; padding: 24px; position: relative;
  box-shadow: var(--gold-glow); max-width: 500px; margin: 0 auto;
}
.form-card::before {
  content: ''; position: absolute; inset: -1px; border-radius: 8px;
  background: linear-gradient(135deg, rgba(122,154,184,0.2), transparent 50%);
  z-index: -1; pointer-events: none;
}
.form-title {
  font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700;
  color: var(--gold); text-align: center; margin-bottom: 20px;
  letter-spacing: 1px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 0.75rem; font-weight: 500;
  color: var(--text-secondary); margin-bottom: 5px; letter-spacing: 0.5px;
}
.form-group input {
  width: 100%; padding: 12px 14px; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(122,154,184,0.2); border-radius: 6px;
  color: var(--text-primary); font-family: var(--font-body); font-size: 16px;
  transition: all 0.3s; outline: none;
  -webkit-appearance: none;
}
.form-group input:focus {
  border-color: var(--gold); box-shadow: 0 0 12px rgba(122,154,184,0.15);
  background: rgba(255,255,255,0.06);
}
.form-group input::placeholder { color: rgba(245,241,232,0.25); }
.form-group input.error { border-color: var(--error); }
.form-error {
  font-size: 0.72rem; color: var(--error); margin-top: 4px;
  display: none; align-items: center; gap: 4px;
}
.form-error.visible { display: flex; }

.checkbox-group {
  display: flex; align-items: flex-start; gap: 10px; margin: 16px 0;
}
.checkbox-group input[type="checkbox"] {
  width: 20px; height: 20px; accent-color: var(--gold);
  margin-top: 1px; cursor: pointer; flex-shrink: 0;
}
.checkbox-group label {
  font-size: 0.78rem; color: var(--text-secondary); cursor: pointer; line-height: 1.5;
}

.btn-submit {
  width: 100%; padding: 14px; border: none; border-radius: 6px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0d1321; font-family: var(--font-body); font-size: 0.9rem;
  font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  cursor: pointer; transition: all 0.3s; position: relative; overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(122,154,184,0.3);
}
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled {
  opacity: 0.5; cursor: not-allowed; transform: none;
  box-shadow: none;
}
.btn-submit .spinner {
  display: none; width: 18px; height: 18px; border: 2px solid rgba(13,19,33,0.3);
  border-top-color: #0d1321; border-radius: 50%;
  animation: spin 0.7s linear infinite; margin: 0 auto;
}
.btn-submit.loading .spinner { display: inline-block; }
.btn-submit.loading .btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Секции ────────────────────────────── */
.section { padding: 48px 0; position: relative; }
.section:nth-child(even) { background: rgba(21,29,46,0.5); }

.section-header { text-align: center; margin-bottom: 32px; }
.section-label {
  display: inline-block; font-size: 0.65rem; letter-spacing: 3px;
  color: var(--gold); text-transform: uppercase; margin-bottom: 10px;
  font-weight: 600;
}
.section-title {
  font-family: var(--font-heading); font-size: clamp(1.4rem, 4vw, 2.5rem);
  font-weight: 700; color: var(--text-primary); margin-bottom: 8px;
}
.section-divider {
  width: 60px; height: 2px; margin: 12px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ── Условия / Сроки ──────────────────── */
.info-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.info-card {
  background: var(--card-bg); border: var(--border-gold);
  border-radius: 8px; padding: 24px; position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--gold-glow); }
.info-card h3 {
  font-family: var(--font-heading); font-size: 1.1rem;
  color: var(--gold); margin-bottom: 12px;
}
.info-card ul { list-style: none; }
.info-card ul li {
  padding: 8px 0; border-bottom: 1px solid rgba(122,154,184,0.08);
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6;
  padding-left: 18px; position: relative;
}
.info-card ul li::before {
  content: '◆'; position: absolute; left: 0; color: var(--gold); font-size: 0.45rem; top: 12px;
}

/* ── Карточки призов ───────────────────── */
.prizes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.prize-card {
  background: var(--card-bg); border: var(--border-gold); border-radius: 10px;
  padding: 12px; text-align: center; position: relative; overflow: hidden;
  transition: all 0.4s;
  display: flex; flex-direction: column; align-items: center;
}
.prize-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.prize-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(122,154,184,0.15);
  border-color: var(--gold);
}

/* Prize emoji icon (fallback) */
.prize-icon {
  width: 48px; height: 48px; margin: 0 auto 8px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(122,154,184,0.3); border-radius: 50%;
  font-size: 1.4rem; color: var(--gold);
  background: radial-gradient(circle, rgba(122,154,184,0.1) 0%, transparent 70%);
}

/* Prize photo image */
.prize-photo {
  width: 100%;
  padding-bottom: 100%; /* 1:1 aspect ratio */
  position: relative;
  height: 0;
  margin-bottom: 10px;
  overflow: hidden; border-radius: 8px;
  background: rgba(255,255,255,0.03);
  flex-shrink: 0;
}
.prize-photo img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}
.prize-card:hover .prize-photo img {
  transform: scale(1.06);
}

.prize-photo-lg {
  padding-bottom: 100%;
}

.prize-name {
  font-family: var(--font-heading); font-size: 0.82rem;
  color: var(--text-primary); margin-bottom: 3px; font-weight: 600;
  line-height: 1.25; word-break: break-word;
  padding: 0 2px;
  flex-grow: 1;
  width: 100%;
  display: flex; align-items: flex-start; justify-content: center;
}
.prize-qty {
  font-size: 0.72rem; color: var(--gold); font-weight: 600;
  margin-top: 4px;
}

/* ── Финальные призы (крупнее) ─────────── */
.prizes-final .prize-card {
  padding: 14px; border-color: rgba(122,154,184,0.4);
  background: linear-gradient(145deg, #1a2640 0%, #0f1825 100%);
}
.prizes-final .prize-icon {
  width: 56px; height: 56px; font-size: 1.6rem;
  border-color: rgba(122,154,184,0.5);
  box-shadow: 0 0 30px rgba(122,154,184,0.1);
}
.prizes-final .prize-name { font-size: 0.88rem; }
.prizes-final .prize-qty { font-size: 0.78rem; }

/* ── Даты розыгрышей ──────────────────── */
.dates-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
  max-width: 900px; margin: 0 auto;
}
.date-card {
  background: var(--card-bg); border: var(--border-gold); border-radius: 6px;
  padding: 14px 10px; text-align: center; transition: all 0.3s;
}
.date-card:hover { border-color: var(--gold); box-shadow: var(--gold-glow); }
.date-card .date-value {
  font-family: var(--font-heading); font-size: 1.2rem;
  color: var(--gold); font-weight: 700;
}
.date-card .date-label {
  font-size: 0.72rem; color: var(--text-secondary); margin-top: 3px;
}
.date-final {
  grid-column: 1 / -1; border-color: var(--gold);
  background: linear-gradient(145deg, rgba(122,154,184,0.08), rgba(15,24,37,0.95));
  padding: 20px;
}
.date-final .date-value { font-size: 1.5rem; }
.date-final .date-label { font-size: 0.82rem; color: var(--gold-light); font-weight: 500; }

/* ── Правила ───────────────────────────── */
.rules-list { max-width: 800px; margin: 0 auto; }
.rule-item {
  padding: 12px 0; border-bottom: 1px solid rgba(122,154,184,0.1);
  display: flex; gap: 12px; align-items: flex-start;
}
.rule-num {
  min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(122,154,184,0.3); border-radius: 50%;
  font-family: var(--font-heading); font-size: 0.8rem;
  color: var(--gold); font-weight: 700; flex-shrink: 0;
}
.rule-text { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Accordion ────────────────────────── */
.accordion-trigger {
  display: block; width: 100%; background: none; border: none;
  padding: 14px 0; color: var(--text-primary); font-size: 0.95rem;
  font-family: var(--font-heading); text-align: left; cursor: pointer;
  border-bottom: 1px solid rgba(122,154,184,0.15);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.accordion-trigger::after {
  content: '+'; position: absolute; right: 0; color: var(--gold);
  font-size: 1.4rem; transition: transform 0.3s;
}
.accordion-trigger.open::after { content: '−'; }

/* Rules collapsed by default on mobile (via JS) */
.rules-list.collapsed .rule-item { display: none; }
.rules-list.collapsed .rule-item:first-child { display: flex; }

/* ── Footer ────────────────────────────── */
.footer {
  padding: 32px 0; border-top: var(--border-gold);
  background: rgba(10,15,25,0.9); text-align: center;
}
.footer p {
  font-size: 0.78rem; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 4px;
}
.footer a { color: var(--gold); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer .footer-note {
  margin-top: 12px; font-size: 0.68rem; color: rgba(138,155,176,0.6);
}

/* ── Модальное окно ────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.8); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: var(--card-bg); border: 1px solid rgba(122,154,184,0.4);
  border-radius: 12px; padding: 36px 28px; text-align: center;
  max-width: 420px; width: 100%; position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: modalIn 0.4s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  border: 2px solid var(--success); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: var(--success);
}
.modal-title {
  font-family: var(--font-heading); font-size: 1.3rem;
  color: var(--gold); margin-bottom: 10px;
}
.modal-text { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }
.modal-text a { color: var(--gold); text-decoration: none; font-weight: 600; }
.modal-close {
  margin-top: 20px; padding: 10px 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border: none; border-radius: 4px; color: #0d1321;
  font-weight: 700; font-size: 0.85rem; cursor: pointer;
  letter-spacing: 1px; transition: all 0.3s;
  -webkit-tap-highlight-color: transparent;
}
.modal-close:hover { box-shadow: 0 4px 15px rgba(122,154,184,0.3); }

/* ── Анимации появления ────────────────── */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════
   RESPONSIVE — Desktop up
   ═══════════════════════════════════════════ */

/* Small-plus phones (375px+) */
@media (min-width: 375px) {
  .prizes-grid { gap: 12px; }
  .prize-card { padding: 14px; }
  .prize-name { font-size: 0.85rem; }
  .prize-qty { font-size: 0.75rem; }
  .prizes-final .prize-card { padding: 16px; }
  .prizes-final .prize-name { font-size: 0.92rem; }
}

/* Mid phones (414px+) */
@media (min-width: 414px) {
  .prizes-grid { gap: 14px; }
  .prize-card { padding: 16px; border-radius: 10px; }
  .prize-name { font-size: 0.9rem; }
  .prize-qty { font-size: 0.78rem; }
  .prizes-final .prize-card { padding: 18px; }
  .prizes-final .prize-name { font-size: 0.95rem; }
  .section-title { font-size: clamp(1.5rem, 4.5vw, 2.5rem); }
}

/* Medium screens (tablets) */
@media (min-width: 640px) {
  .container { padding: 0 24px; }
  .hero { padding: 100px 0 50px; }
  .section { padding: 60px 0; }
  .prizes-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .prize-card { padding: 22px; }
  .prize-photo { padding-bottom: 100%; }
  .prize-photo-lg { padding-bottom: 100%; }
  .prize-name { font-size: 1rem; }
  .prize-qty { font-size: 0.82rem; }
  .prizes-final .prize-card { padding: 24px; }
  .prizes-final .prize-name { font-size: 1.05rem; }
  .info-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .dates-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .form-card { padding: 32px; }
  .form-title { font-size: 1.4rem; }
  .modal-box { padding: 44px 36px; }
}

/* Large screens (desktop) */
@media (min-width: 968px) {
  .hero { padding: 120px 0 60px; min-height: 100vh; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
  .hero-content { text-align: left; }
  .hero-subtitle { margin-left: 0; margin-right: 0; }
  .hero-brands { justify-content: flex-start; }
  .form-card { max-width: none; margin: 0; }
  .section { padding: 80px 0; }
  .prizes-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
  .prize-photo { padding-bottom: 100%; }
  .prize-photo-lg { padding-bottom: 100%; }
  .prize-card { padding: 28px; }
  .prize-icon { width: 64px; height: 64px; font-size: 1.8rem; }
  .prize-name { font-size: 1.1rem; }
  .prize-qty { font-size: 0.85rem; }
  .prizes-final .prize-card { padding: 36px; }
  .prizes-final .prize-icon { width: 80px; height: 80px; font-size: 2.2rem; }
  .prizes-final .prize-name { font-size: 1.3rem; }
  .prizes-final .prize-qty { font-size: 1rem; }
  .info-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
  .dates-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
  .info-card { padding: 32px; }
  .info-card h3 { font-size: 1.3rem; }
  .date-card { padding: 20px; }
  .date-card .date-value { font-size: 1.4rem; }
  .date-final .date-value { font-size: 1.8rem; }
  .form-card { padding: 36px; }
  .form-title { font-size: 1.5rem; }
  .section-header { margin-bottom: 50px; }
  .accordion-trigger { display: none; }
  .rules-list.collapsed .rule-item { display: flex; }
}

/* Extra small (very small phones ≤ 360px) */
@media (max-width: 360px) {
  .container { padding: 0 10px; }
  .hero-title { font-size: 1.5rem; }
  .hero-badge { font-size: 0.55rem; letter-spacing: 2px; padding: 4px 10px; }
  .hero-brands span { font-size: 0.6rem; padding: 2px 6px; }
  .section-title { font-size: 1.15rem; }
  .section-label { font-size: 0.58rem; letter-spacing: 2px; }
  .prizes-grid { gap: 8px; }
  .prize-card { padding: 10px 8px; border-radius: 8px; }
  .prize-name { font-size: 0.75rem; }
  .prize-qty { font-size: 0.65rem; }
  .prizes-final .prize-card { padding: 10px 8px; }
  .prizes-final .prize-name { font-size: 0.8rem; }
  .logo { font-size: 0.82rem; letter-spacing: 1px; }
  .lang-switch a { padding: 4px 10px; font-size: 0.65rem; }
  .form-card { padding: 16px 12px; }
  .form-title { font-size: 1.05rem; }
  .btn-submit { padding: 12px; font-size: 0.82rem; }
  .date-card { padding: 10px 6px; }
  .date-card .date-value { font-size: 1rem; }
  .date-card .date-label { font-size: 0.65rem; }
}