/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --clr-bg:        #0e0b09;
  --clr-bg2:       #161008;
  --clr-surface:   rgba(255,255,255,0.05);
  --clr-surface2:  rgba(255,255,255,0.08);
  --clr-border:    rgba(255,255,255,0.10);
  --clr-border2:   rgba(255,255,255,0.22);
  --clr-text:      #f0ebe4;
  --clr-menu:      #FFFFFF;
  --clr-blacktext: #000000;
  --clr-muted:     rgba(240,235,228,0.50);
  --clr-accent:    #FF853A;
  --clr-accent2:   #c95f10;
  --clr-gold:      #d4a84b;
  --radius:        16px;
  --radius-sm:     10px;
  --radius-xs:     6px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg) url("fon.png") center top / cover no-repeat fixed;
  font-family: 'Merriweather', serif;
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* =============================================
   UTILITY — CONTAINER
   ============================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   SECTION HEADER
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(255,133,58,0.12);
  border: 1px solid rgba(255,133,58,0.25);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(26px, 4vw, 44px);
  letter-spacing: 0.05em;
  color: var(--clr-text);
  margin-bottom: 16px;
  line-height: 1.1;
}

.section-desc {
  font-family: 'Merriweather', serif;
  font-size: 16px;
  color: var(--clr-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.75;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Merriweather', serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-accent {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,133,58,0.35);
}
.btn-accent:hover {
  background: #ff9850;
  box-shadow: 0 6px 28px rgba(255,133,58,0.48);
}

.btn-outline {
  background: rgba(255,255,255,0.08);
  color: var(--clr-text);
  border: 1px solid var(--clr-border2);
}
.btn-outline:hover { background: rgba(255,255,255,0.14); }

.btn-card {
  background: transparent;
  color: var(--clr-accent);
  border: 1px solid rgba(255,133,58,0.4);
  padding: 11px 22px;
  font-size: 13px;
  width: 100%;
  justify-content: center;
  border-radius: 999px;
}
.btn-card:hover {
  background: rgba(255,133,58,0.1);
  border-color: var(--clr-accent);
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 16px;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0 16px;
  transition: top 0.3s ease;
}
.header.scrolled { top: 20px; }

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--clr-menu);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--clr-border2);
  border-radius: 999px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Merriweather', serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-blacktext);
  flex-shrink: 0;
}
.logo img { width: 28px; height: 28px; object-fit: contain; }

.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-family: 'Merriweather', serif;
  font-size: 14px;
  color: var(--clr-blacktext);
  transition: color 0.15s;
}
.nav a:hover { color: var(--clr-text); }

.header-cta {
  font-size: 14px;
  padding: 10px 20px;
  flex-shrink: 0;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-shrink: 0;
}
.burger img {
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* MOBILE NAV OVERLAY */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10,6,3,0.97);
  backdrop-filter: blur(24px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}
.mobile-nav nav a {
  font-family: 'Merriweather', serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--clr-text);
  padding: 16px 24px;
  width: 100%;
  text-align: center;
  border-bottom: 1px solid var(--clr-border);
  transition: color 0.15s;
}
.mobile-nav nav a:hover { color: var(--clr-accent); }

body.nav-open { overflow: hidden; }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  background: url("up.png") center center / cover no-repeat;
  display: flex;
  align-items: flex-end;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,6,3,0.28) 0%, rgba(10,6,3,0.7) 65%, var(--clr-bg) 100%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 90px;
}

.hero-label {
  display: inline-block;
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-gold);
  background: rgba(212,168,75,0.12);
  border: 1px solid rgba(212,168,75,0.3);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero-content {
  max-width: 760px;
  margin-bottom: 15px;
}

.hero-title {
  font-size: clamp(32px, 5.5vw, 66px);
  line-height: 1.04;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 22px;
}
.hero-title em {
  font-style: italic;
  color: var(--clr-accent);
}

.hero-desc {
  font-family: 'Merriweather', serif;
  font-size: clamp(14px, 1.5vw, 17px);
  color: rgba(255,255,255,0.72);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: stretch;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border2);
  border-radius: var(--radius);
  padding: 22px 36px;
  width: fit-content;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0 32px;
  position: relative;
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child  { padding-right: 0; }
.hero-stat + .hero-stat::before {
  content: '';
  position: absolute;
  left: 0; top: 10%; height: 80%;
  width: 1px;
  background: var(--clr-border2);
}

.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.stat-num sup {
  font-size: 13px;
  color: var(--clr-accent);
  vertical-align: super;
  margin-left: 2px;
}

.stat-label {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  max-width: 110px;
  line-height: 1.4;
}

/* =============================================
   CATALOG
   ============================================= */
.catalog { padding: 100px 0; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--clr-border2);
  box-shadow: 0 24px 56px rgba(0,0,0,0.55);
}

.card-img-wrap { position: relative; overflow: hidden; }
.card-img-wrap img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.card:hover .card-img-wrap img { transform: scale(1.04); }

.card-badge {
  position: absolute;
  top: 12px; left: 12px;
  font-family: 'Merriweather', serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(8px);
  color: var(--clr-text);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--clr-border2);
}
.card-badge--gold {
  color: var(--clr-gold);
  border-color: rgba(212,168,75,0.45);
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--clr-text);
  margin-bottom: 6px;
  line-height: 1.45;
}

.card-tagline {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  font-style: italic;
  color: var(--clr-accent);
  margin-bottom: 10px;
}

.card-body > p {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.catalog-menu {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.catalog-menu li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--clr-border);
  font-family: 'Merriweather', serif;
  font-size: 12px;
  color: var(--clr-text);
}
.catalog-menu li:last-child { border-bottom: none; }
.catalog-menu li span {
  color: var(--clr-muted);
  flex-shrink: 0;
}

/* =============================================
   BENEFITS
   ============================================= */
.benefits { padding: 100px 0; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 72px;
}

.feature-item {
  background: var(--clr-menu);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.feature-item:hover {
  transform: translateY(-3px);
  border-color: var(--clr-border2);
}

.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: rgb(255, 255, 255);
  border: 1px solid var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  margin-bottom: 18px;
}

.feature-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-blacktext);
  margin-bottom: 10px;
}
.feature-item p {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-blacktext);
  line-height: 1.75;
}

/* Use cases */
.usecases { margin-top: 8px; }

.uc-header { text-align: center; margin-bottom: 36px; }
.uc-title  { font-size: clamp(20px, 3vw, 34px); }

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.uc-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.uc-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.uc-card:hover img {
  transform: scale(1.06);
}

/* Широкая карточка — две колонки, та же высота что и обычные */
.uc-card--wide {
  grid-column: span 2;
  aspect-ratio: 8 / 3;
}

/* Убираем nth-child, так как класс uc-card--wide уже всё решает */

/* Явно для 4-го и 5-го элементов (если нужен ещё один широкий) */
.uc-card:nth-child(4) {
  grid-column: 1 / 3;
  aspect-ratio: 8 / 3;
}

.uc-card:nth-child(5) {
  grid-column: 3 / 4;
  /* aspect-ratio остаётся 4/3, так как это обычная карточка */
}

/* Убираем дублирующий класс — используй только uc-card */
.uc-card-gor {
  /* Если это просто "горизонтальная" карточка — теперь не нужен */
  /* Можно удалить или оставить пустым */
}

.uc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(6, 3, 1, 0.9) 0%,
    rgba(6, 3, 1, 0.3) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.uc-overlay h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.uc-overlay p {
  font-family: 'Merriweather', serif;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.uc-card:hover .uc-overlay p {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   QUIZ
   ============================================= */
.quiz {
  padding: 100px 0;
  backdrop-filter: blur(2px);
}

.quiz-wrap {
  max-width: 1200px;
  margin: 0 auto;
}

#lzq {
  background: rgba(18,12,7,0.93);
  backdrop-filter: blur(24px);
  border: 1px solid var(--clr-border2);
  border-radius: var(--radius);
  padding: 36px;
}

#lzprog {
  display: flex;
  gap: 6px;
  margin-bottom: 30px;
}
#lzprog div {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--clr-accent);
  transition: background 0.3s;
}

.step-label {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 8px;
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 22px;
  line-height: 1.25;
}

.step-sublabel {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: var(--clr-muted);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lz-back {
  background: none;
  border: none;
  color: var(--clr-muted);
  font-family: 'Merriweather', serif;
  font-size: 13px;
  cursor: pointer;
  padding: 0 0 18px;
  display: block;
  transition: color 0.15s;
}
.lz-back:hover { color: var(--clr-text); }

.lz-next {
  display: block;
  width: 100%;
  background: var(--clr-accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 16px;
  color: #fff;
  font-family: 'Merriweather', serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 22px rgba(255,133,58,0.3);
  margin-top: 8px;
}
.lz-next:hover { opacity: 0.92; box-shadow: 0 6px 30px rgba(255,133,58,0.48); }
.lz-next:active { transform: scale(0.99); }

#lzgoals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.gc {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.gc:hover { border-color: var(--clr-border2); background: var(--clr-surface2); }
.gc.sel {
  border-color: var(--clr-accent);
  background: rgba(255,133,58,0.08);
  box-shadow: 0 0 0 3px rgba(255,133,58,0.12);
}
.gc-icon { color: var(--clr-muted); margin-bottom: 8px; }
.gc.sel .gc-icon { color: var(--clr-accent); }
.gc-title {
  font-family: 'Merriweather', serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 3px;
  line-height: 1.3;
}
.gc-desc {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: var(--clr-muted);
}

/* Stone rec — JS generates .srec-wrap */
.srec-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
}
.rec-label {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-muted);
  margin-bottom: 10px;
}
.rec-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.stbtn {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xs);
  padding: 7px 14px;
  font-family: 'Merriweather', serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--clr-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.stbtn:hover { border-color: var(--clr-border2); color: var(--clr-text); }
.stbtn.sel { border-color: var(--clr-accent); color: var(--clr-accent); background: rgba(255,133,58,0.08); }
.rec-desc { font-family: 'Merriweather', serif; font-size: 13px; color: var(--clr-muted); }

#lzthk {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 22px;
}
.tk {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.tk:hover { border-color: var(--clr-border2); }
.tk.rec { background: rgba(255,133,58,0.07); border-color: rgba(255,133,58,0.4); }
.tk.sel { border-color: var(--clr-accent); box-shadow: 0 0 0 2px rgba(255,133,58,0.2); }
.tk-title {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 3px;
}
.tk-price { font-family: 'Merriweather', serif; font-size: 10px; color: var(--clr-muted); }
.lz-amber { color: var(--clr-accent); }
.tk-rec-label {
  font-family: 'Merriweather', serif;
  font-size: 10px;
  color: var(--clr-accent);
  margin-top: 3px;
}

/* Area slider */
.area-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  margin-bottom: 16px;
}
.area-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
}
.area-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--clr-text);
}
#lzar {
  width: 100%;
  accent-color: var(--clr-accent);
  cursor: pointer;
  margin-bottom: 8px;
}
.area-limits {
  display: flex;
  justify-content: space-between;
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: var(--clr-muted);
}

/* Price preview — JS generates .pp-box */
.pp-box {
  background: rgba(255,133,58,0.07);
  border: 1px solid rgba(255,133,58,0.22);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.pp-label {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-muted);
  margin-bottom: 6px;
}
.pp-total {
  font-size: 26px;
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: 10px;
  line-height: 1;
}
.pp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: 'Merriweather', serif;
  font-size: 12px;
  color: var(--clr-muted);
}

/* Results */
.res-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}
.res-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.res-item p {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: var(--clr-muted);
  margin-bottom: 4px;
}
.res-item strong {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--clr-text);
}
.res-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--clr-border);
  padding-top: 14px;
  margin-bottom: 8px;
  font-family: 'Merriweather', serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-text);
}
.res-total-price { font-size: 22px; color: var(--clr-accent); }
.res-note {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  color: var(--clr-muted);
  margin-bottom: 18px;
  line-height: 1.6;
}

.step-consult {
  font-family: 'Merriweather', serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-text);
  margin: 0 0 14px;
}

#lzform { display: flex; flex-direction: column; gap: 10px; }

.lz-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: 'Merriweather', serif;
  font-size: 14px;
  color: var(--clr-text);
  outline: none;
  transition: border-color 0.15s;
}
.lz-input::placeholder { color: var(--clr-muted); }
.lz-input:focus { border-color: var(--clr-accent); }

#lzok {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
}
.lz-check-bg {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(255,133,58,0.12);
  border: 2px solid rgba(255,133,58,0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.lzok-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 8px;
}
.lzok-sub {
  font-family: 'Merriweather', serif;
  font-size: 14px;
  color: var(--clr-muted);
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews {
  padding: 100px 0;
  background: rgba(0,0,0,0.28);
}

.carousel-wrap { position: relative; }

.carousel { min-height: 220px; }

.review-card {
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 42px 52px;
}

.review-stars {
  font-size: 18px;
  color: var(--clr-gold);
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.review-text {
  font-size: 16px;
  font-style: italic;
  color: var(--clr-text);
  line-height: 1.88;
  margin-bottom: 28px;
  max-width: 720px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Merriweather', serif;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.review-name {
  display: block;
  font-family: 'Merriweather', serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 3px;
}
.review-city {
  display: block;
  font-family: 'Merriweather', serif;
  font-size: 12px;
  color: var(--clr-muted);
}

.carousel-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.carousel-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border2);
  color: var(--clr-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  flex-shrink: 0;
}
.carousel-btn:hover {
  background: var(--clr-surface2);
  border-color: var(--clr-accent);
  transform: scale(1.08);
}

.carousel-dots { display: flex; gap: 8px; align-items: center; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-border2);
  border: none;
  cursor: pointer;
  transition: background 0.22s, width 0.25s;
  padding: 0;
}
.dot.active {
  background: var(--clr-accent);
  width: 24px;
  border-radius: 4px;
}

/* =============================================
   FAQ
   ============================================= */
.faq { padding: 100px 0; }

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-item:first-child { border-top: 1px solid var(--clr-border); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  font-family: 'Merriweather', serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-text);
  cursor: pointer;
  transition: color 0.15s;
  line-height: 1.45;
}
.faq-question:hover { color: var(--clr-accent); }

.faq-arrow {
  flex-shrink: 0;
  color: var(--clr-muted);
  transition: transform 0.3s ease, color 0.15s;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--clr-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner { padding-bottom: 20px; }
.faq-answer-inner p {
  font-family: 'Merriweather', serif;
  font-size: 14px;
  color: var(--clr-muted);
  line-height: 1.85;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: rgba(5,3,2,0.97);
  border-top: 1px solid var(--clr-border);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
  align-items: start;
}

.footer-logo { margin-bottom: 16px; }

.footer-tagline {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
  line-height: 1.75;
  margin-bottom: 22px;
  max-width: 260px;
}

.footer-social { display: flex; gap: 8px; }
.social-link {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.social-link:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(255,133,58,0.08);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-family: 'Merriweather', serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
  margin-bottom: 10px;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--clr-accent); }
.footer-detail {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
  margin-bottom: 6px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-bottom p {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a {
  font-family: 'Merriweather', serif;
  font-size: 13px;
  color: var(--clr-muted);
  transition: color 0.15s;
}
.footer-bottom-links a:hover { color: var(--clr-accent); }

/* =============================================
   RESPONSIVE — TABLET ≤ 1024px
   ============================================= */
@media (max-width: 1024px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid .card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .features-grid { grid-template-columns: repeat(2, 1fr); }

  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .uc-card:nth-child(4) { grid-column: span 1; }
  .uc-card:nth-child(5) { grid-column: span 1; }
  .uc-card { aspect-ratio: 16/10; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================
   RESPONSIVE — MOBILE ≤ 768px
   ============================================= */
@media (max-width: 768px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .burger { display: flex; }

  .hero-container { padding: 0 16px 68px; }
  .hero-title { font-size: clamp(28px, 8vw, 42px); }
  .hero-desc { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .hero-stats {
    padding: 18px 20px;
    width: 100%;
    justify-content: space-between;
  }
  .hero-stat { padding: 0 16px; }
  .hero-stat:first-child { padding-left: 0; }
  .hero-stat:last-child  { padding-right: 0; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 10px; max-width: 80px; }

  .catalog { padding: 64px 0; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-grid .card:last-child { grid-column: auto; max-width: 100%; }

  .benefits { padding: 64px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .uc-card:nth-child(4), .uc-card:nth-child(5) { grid-column: span 1; }
  .uc-card { aspect-ratio: 3/2; }

  .quiz { padding: 64px 0; }
  .quiz-wrap { max-width: 100%; }
  #lzq { padding: 24px 18px; }
  #lzgoals { grid-template-columns: repeat(2, 1fr); }
  #lzthk  { grid-template-columns: repeat(3, 1fr); }

  .reviews { padding: 64px 0; }
  .review-card { padding: 28px 22px; }
  .review-text { font-size: 14px; }

  .faq { padding: 64px 0; }
  .faq-question { font-size: 14px; padding: 18px 0; }

  .section-header { margin-bottom: 40px; }
  .section-title { font-size: clamp(22px, 6vw, 34px); }

  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-bottom-links { flex-wrap: wrap; gap: 12px; }
}

/* =============================================
   RESPONSIVE — SMALL MOBILE ≤ 480px
   ============================================= */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero-stats { flex-wrap: wrap; gap: 12px; }
  .hero-stat + .hero-stat::before { display: none; }
  .hero-stat { padding: 8px 10px; }

  #lzgoals { grid-template-columns: repeat(2, 1fr); }
  #lzthk   { grid-template-columns: repeat(2, 1fr); }

  .res-grid { grid-template-columns: 1fr; }
  .review-card { padding: 22px 16px; }

  .footer-links { grid-template-columns: 1fr; }
}

/* =============================================
   QUIZ MODAL
   ============================================= */
body.modal-open { overflow: hidden; }

.quiz-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(10, 7, 5, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.quiz-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.quiz-modal-dialog {
  position: relative;
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border2);
  border-radius: 24px;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px 40px 36px;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border2) transparent;
}

.quiz-modal-overlay.open .quiz-modal-dialog {
  transform: translateY(0) scale(1);
}

.quiz-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--clr-border2);
  background: var(--clr-surface);
  color: var(--clr-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
  z-index: 1;
}

.quiz-modal-close:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.quiz-modal-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(255,133,58,0.12);
  border: 1px solid rgba(255,133,58,0.25);
  padding: 4px 12px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 12px;
}

.quiz-modal-title {
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 28px;
}

.quiz-modal-body .quiz-wrap {
  max-width: 100%;
  border: none;
  border-radius: 0;
  background: transparent;
  padding: 0;
  box-shadow: none;
}

/* Remove section padding when quiz is in modal */
.quiz-modal-body #lzq {
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

@media (max-width: 640px) {
  .quiz-modal-dialog {
    padding: 28px 18px 24px;
    border-radius: 18px;
  }
}