/* ========================================================
   SocialWall — Лендинг
   Стиль: светлый, SaaS/B2B, в духе RegToEVENT
   ======================================================== */

/* ===== CSS VARIABLES ===== */
:root {
  --color-primary: #f97316;        /* тёплый оранжевый — главный CTA */
  --color-primary-dark: #ea6c0a;
  --color-primary-light: #fff7ed;
  --color-accent: #6366f1;         /* индиго — вторичный акцент */
  --color-accent-light: #eef2ff;
  --color-dark: #0f172a;
  --color-dark-2: #1e293b;
  --color-gray-700: #374151;
  --color-gray-500: #6b7280;
  --color-gray-300: #d1d5db;
  --color-gray-100: #f3f4f6;
  --color-gray-50: #f9fafb;
  --color-white: #ffffff;
  --color-success: #22c55e;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.12);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: inline-block; }
button { border: none; cursor: pointer; font-family: var(--font); }
input, textarea { font-family: var(--font); }

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), #e11d48);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(249,115,22,.35);
  border: 0;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 24px rgba(249,115,22,.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-gray-300);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255,255,255,.15);
  color: var(--color-dark);
  border: 2px solid rgba(15,23,42,.1);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.btn-large { padding: 14px 32px; font-size: 16px; }

.btn-block { width: 100%; justify-content: center; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), #e11d48);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
}
.logo-text strong { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-primary); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  background: linear-gradient(160deg, #fafafa 0%, #f0f4ff 50%, #fff7ed 100%);
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .4;
}
.shape-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #fde68a, transparent);
  top: -200px; right: -100px;
}
.shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #c7d2fe, transparent);
  bottom: -150px; left: -100px;
}
.shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #fecaca, transparent);
  top: 30%; left: 40%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero-badge i { color: var(--color-primary); }

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 20px;
  color: var(--color-dark);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-gray-500);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--color-gray-500);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-gray-300);
}

/* Screen mockup */
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}

.screen-mockup {
  width: 100%;
  max-width: 560px;
}

.screen-frame {
  background: var(--color-dark-2);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}

.screen-inner {
  background: #0f172a;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  position: relative;
}

.demo-wall {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 10px;
}

.demo-ticker {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,.15);
  border: 1px solid rgba(249,115,22,.3);
  border-radius: 6px;
  padding: 4px 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.ticker-label {
  background: var(--color-primary);
  color: white;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
.ticker-text {
  overflow: hidden;
  white-space: nowrap;
  flex: 1;
}
.ticker-text span {
  display: inline-block;
  color: rgba(255,255,255,.8);
  font-size: 10px;
  animation: ticker-scroll 20s linear infinite;
}
@keyframes ticker-scroll {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  flex: 1;
  overflow: hidden;
}

.demo-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  padding: 8px;
  overflow: hidden;
}
.demo-card--poll { background: rgba(99,102,241,.12); border-color: rgba(99,102,241,.3); }
.demo-card--sponsors { background: rgba(249,115,22,.08); border-color: rgba(249,115,22,.2); }

.demo-card-header {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255,255,255,.6);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.demo-card-header i { font-size: 9px; color: var(--color-primary); }
.demo-card-header .fab.fa-telegram { color: #26a5e4; }

.demo-card p { color: rgba(255,255,255,.85); font-size: 9px; line-height: 1.4; margin-bottom: 4px; }

.demo-card-meta { color: rgba(255,255,255,.4); font-size: 8px; }

.agenda-item {
  display: flex;
  gap: 6px;
  padding: 4px 0;
}
.agenda-item.current { border-left: 2px solid var(--color-primary); padding-left: 4px; }
.agenda-time { color: var(--color-primary); font-size: 8px; font-weight: 700; flex-shrink: 0; }
.agenda-info strong { display: block; color: rgba(255,255,255,.9); font-size: 8px; }
.agenda-info span { color: rgba(255,255,255,.5); font-size: 7px; }

.poll-question { color: rgba(255,255,255,.9); font-size: 9px; font-weight: 600; margin-bottom: 6px; }
.poll-bar { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; }
.poll-label { color: rgba(255,255,255,.7); font-size: 8px; width: 56px; flex-shrink: 0; }
.poll-track { flex: 1; height: 6px; background: rgba(255,255,255,.1); border-radius: 3px; overflow: hidden; }
.poll-fill { height: 100%; background: linear-gradient(90deg, var(--color-accent), var(--color-primary)); border-radius: 3px; }
.poll-bar span { color: rgba(255,255,255,.8); font-size: 8px; font-weight: 600; width: 24px; text-align: right; }

.sponsor-logos {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4px;
}
.sponsor-logo {
  background: rgba(255,255,255,.1);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 8px;
  font-weight: 800;
  color: rgba(255,255,255,.85);
  letter-spacing: .05em;
}
.sponsor-logo span { color: var(--color-primary); }

.screen-stand {
  height: 20px;
  background: linear-gradient(to bottom, var(--color-dark-2), #334155);
  clip-path: polygon(30% 0%, 70% 0%, 85% 100%, 15% 100%);
  margin: 0 auto;
  width: 120px;
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
  padding: 40px 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
}
.proof-label {
  text-align: center;
  font-size: 13px;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: 24px;
}
.proof-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.proof-logo {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-gray-300);
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.proof-logo:hover { color: var(--color-gray-500); }

/* ===== PROBLEM SECTION ===== */
.problem-section {
  padding: 100px 0;
  background: var(--color-gray-50);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}
.problem-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.problem-icon {
  width: 48px;
  height: 48px;
  background: #fff1f2;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #e11d48;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-dark);
}
.problem-card p {
  font-size: .875rem;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ===== SOLUTION SECTION ===== */
.solution-section {
  padding: 100px 0;
  background: var(--color-white);
}

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.solution-desc {
  font-size: 1rem;
  color: var(--color-gray-500);
  line-height: 1.75;
  margin-bottom: 28px;
}

.solution-list {
  margin-bottom: 36px;
}
.solution-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9375rem;
  color: var(--color-gray-700);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-gray-100);
}
.solution-list li:last-child { border-bottom: none; }
.solution-list li i { color: var(--color-success); font-size: 14px; flex-shrink: 0; }

/* Vertical screen mockup */
.solution-visual {
  display: flex;
  justify-content: center;
}

.vertical-screen-mockup {
  width: 220px;
}

.vs-frame {
  background: var(--color-dark-2);
  border-radius: var(--radius-xl);
  padding: 10px;
  box-shadow: var(--shadow-xl);
}

.vs-inner {
  background: #0f172a;
  border-radius: 16px;
  overflow: hidden;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 380px;
}

.vs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.vs-logo {
  font-size: 11px;
  font-weight: 800;
  color: white;
  letter-spacing: .02em;
}
.vs-logo span { color: var(--color-primary); }
.vs-time { font-size: 10px; color: rgba(255,255,255,.5); font-weight: 600; }

.vs-post {
  display: flex;
  gap: 8px;
  background: rgba(255,255,255,.05);
  border-radius: 8px;
  padding: 8px;
}
.vs-post-avatar {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.vs-post-name { font-size: 9px; font-weight: 700; color: rgba(255,255,255,.9); margin-bottom: 2px; }
.vs-post-text { font-size: 9px; color: rgba(255,255,255,.7); line-height: 1.4; }

.vs-agenda-block {
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.25);
  border-radius: 8px;
  padding: 8px;
}
.vs-agenda-title {
  font-size: 8px;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.vs-agenda-item strong { display: block; color: rgba(255,255,255,.9); font-size: 9px; margin-bottom: 2px; }
.vs-agenda-item span { color: rgba(255,255,255,.55); font-size: 8px; }

.vs-poll-block {
  background: rgba(249,115,22,.1);
  border: 1px solid rgba(249,115,22,.2);
  border-radius: 8px;
  padding: 8px;
}
.vs-poll-q { font-size: 9px; color: rgba(255,255,255,.85); font-weight: 600; margin-bottom: 6px; }
.vs-poll-options { display: flex; flex-direction: column; gap: 4px; }
.vs-poll-opt {
  background: linear-gradient(90deg, rgba(249,115,22,.4), rgba(249,115,22,.15));
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 8px;
  color: rgba(255,255,255,.85);
  font-weight: 600;
}
.vs-poll-opt--sec {
  background: linear-gradient(90deg, rgba(255,255,255,.15), rgba(255,255,255,.05));
}

.vs-sponsor-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.vs-sponsor-label { font-size: 7px; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .06em; flex-shrink: 0; }
.vs-sponsor-items { display: flex; gap: 6px; }
.vs-sponsor-items span {
  font-size: 7px;
  font-weight: 800;
  color: rgba(255,255,255,.55);
  letter-spacing: .04em;
}

.vs-ticker {
  background: rgba(249,115,22,.1);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 8px;
  color: rgba(255,255,255,.7);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ===== FEATURES SECTION ===== */
.features-section {
  padding: 100px 0;
  background: var(--color-gray-50);
}

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

.feature-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, transparent, rgba(249,115,22,.03));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(249,115,22,.2);
}
.feature-card:hover::before { opacity: 1; }

.feature-card--accent {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  border-color: transparent;
  color: white;
}
.feature-card--accent h3 { color: white; }
.feature-card--accent p { color: rgba(255,255,255,.75); }
.feature-card--accent .feature-list li { color: rgba(255,255,255,.8); }
.feature-card--accent .feature-list li i { color: var(--color-primary); }

.feature-icon-wrap { margin-bottom: 20px; }

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-primary);
  transition: all var(--transition);
}
.feature-card:hover .feature-icon {
  background: var(--color-primary);
  color: white;
}
.feature-card--accent .feature-icon {
  background: rgba(249,115,22,.2);
  color: var(--color-primary);
}
.feature-card--accent:hover .feature-icon {
  background: var(--color-primary);
  color: white;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-dark);
}
.feature-card p {
  font-size: .875rem;
  color: var(--color-gray-500);
  line-height: 1.65;
  margin-bottom: 16px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8125rem;
  color: var(--color-gray-500);
  padding: 4px 0;
}
.feature-list li i { color: var(--color-success); font-size: 12px; flex-shrink: 0; }

.feature-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.feature-badge--hot {
  background: #fff1f2;
  color: #e11d48;
}
.feature-badge--gold {
  background: #fffbeb;
  color: #d97706;
}

/* ===== HOW IT WORKS ===== */
.how-section {
  padding: 100px 0;
  background: var(--color-white);
}

.steps-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step-item {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-gray-100);
  line-height: 1;
  margin-bottom: 12px;
  font-feature-settings: 'tnum';
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-dark);
}
.step-content p {
  font-size: .875rem;
  color: var(--color-gray-500);
  line-height: 1.65;
}

.step-arrow {
  font-size: 20px;
  color: var(--color-gray-300);
  padding-top: 14px;
  flex-shrink: 0;
}

/* ===== MOBILE SECTION ===== */
.mobile-section {
  padding: 100px 0;
  background: linear-gradient(160deg, #f0f4ff 0%, #fff7ed 100%);
}

.mobile-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* Phone mockup */
.phone-mockup {
  width: 220px;
}

.phone-frame {
  background: var(--color-dark-2);
  border-radius: 36px;
  padding: 10px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.phone-notch {
  width: 60px;
  height: 20px;
  background: var(--color-dark);
  border-radius: 0 0 14px 14px;
  margin: 0 auto 8px;
}

.phone-inner {
  background: #f8fafc;
  border-radius: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

.phone-header {
  background: var(--color-white);
  padding: 12px 14px 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.phone-event-name {
  font-size: 11px;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 8px;
  text-align: center;
}
.phone-tabs {
  display: flex;
  gap: 4px;
}
.phone-tab {
  flex: 1;
  text-align: center;
  font-size: 9px;
  font-weight: 600;
  color: var(--color-gray-500);
  padding: 4px;
  border-radius: 6px;
  cursor: pointer;
}
.phone-tab.active {
  background: var(--color-primary);
  color: white;
}

.phone-feed {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.phone-post {
  display: flex;
  gap: 8px;
  background: var(--color-white);
  border-radius: 10px;
  padding: 8px;
  box-shadow: var(--shadow-sm);
}
.phone-post-av {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.phone-post-name { font-size: 9px; font-weight: 700; color: var(--color-dark); margin-bottom: 2px; }
.phone-post-text { font-size: 9px; color: var(--color-gray-700); line-height: 1.4; margin-bottom: 4px; }
.phone-post-actions {
  display: flex;
  gap: 10px;
}
.phone-post-actions span {
  font-size: 8px;
  color: var(--color-gray-500);
  display: flex;
  align-items: center;
  gap: 3px;
}

.phone-vote-prompt {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: white;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 9px;
  font-weight: 600;
}
.phone-vote-prompt i { font-size: 10px; }

.phone-bottom-bar {
  padding: 8px 10px;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-100);
}
.phone-compose {
  display: flex;
  gap: 6px;
}
.phone-compose input {
  flex: 1;
  background: var(--color-gray-100);
  border: none;
  border-radius: 20px;
  padding: 6px 10px;
  font-size: 9px;
  outline: none;
  color: var(--color-gray-500);
}
.phone-compose button {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
}

.mobile-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.qr-code-visual {
  background: white;
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-gray-100);
}
.qr-block p {
  font-size: 11px;
  color: var(--color-gray-500);
  text-align: center;
  font-weight: 500;
  line-height: 1.5;
}

.mobile-desc {
  font-size: 1rem;
  color: var(--color-gray-500);
  line-height: 1.75;
  margin-bottom: 28px;
}

.mobile-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}
.mobile-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.mf-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.mf-text strong { display: block; font-size: .9375rem; font-weight: 700; color: var(--color-dark); margin-bottom: 2px; }
.mf-text span { font-size: .875rem; color: var(--color-gray-500); }

.mobile-highlight {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary-light);
  border: 1px solid rgba(249,115,22,.2);
  border-radius: var(--radius-full);
  padding: 10px 20px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== USE CASES ===== */
.usecases-section {
  padding: 100px 0;
  background: var(--color-white);
}

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

.usecase-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}
.usecase-card:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  border-color: rgba(249,115,22,.15);
  transform: translateY(-4px);
}

.usecase-emoji { font-size: 2rem; margin-bottom: 14px; display: block; }
.usecase-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}
.usecase-card p { font-size: .875rem; color: var(--color-gray-500); line-height: 1.65; }

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: 100px 0;
  background: var(--color-gray-50);
}

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

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.testimonial-card--featured {
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-2));
  border-color: transparent;
  transform: scale(1.02);
}
.testimonial-card--featured .testi-text { color: rgba(255,255,255,.85); }
.testimonial-card--featured .testi-info strong { color: white; }
.testimonial-card--featured .testi-info span { color: rgba(255,255,255,.55); }
.testimonial-card--featured .testi-stars { color: #fbbf24; }

.testi-stars { font-size: 16px; color: #fbbf24; margin-bottom: 16px; }
.testi-text {
  font-size: .9375rem;
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testi-author { display: flex; gap: 12px; align-items: center; }
.testi-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.testi-info strong { display: block; font-size: .875rem; font-weight: 700; color: var(--color-dark); }
.testi-info span { font-size: .8125rem; color: var(--color-gray-500); }

/* ===== PRICING ===== */
.pricing-section {
  padding: 100px 0;
  background: var(--color-white);
}

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

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 2px solid var(--color-gray-100);
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(249,115,22,.2);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  background: var(--color-white);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}
.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 20px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
}
.price-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1;
}
.price-period {
  font-size: .875rem;
  color: var(--color-gray-500);
}
.price-custom {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark);
}

.pricing-desc {
  font-size: .875rem;
  color: var(--color-gray-500);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-gray-100);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: var(--color-gray-700);
}
.pricing-features li i { font-size: 12px; color: var(--color-success); flex-shrink: 0; }
.pricing-no { opacity: .4; }
.pricing-no i { color: var(--color-gray-500) !important; }

/* ===== FAQ ===== */
.faq-section {
  padding: 100px 0;
  background: var(--color-gray-50);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { border-color: rgba(249,115,22,.2); }

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-dark);
  gap: 16px;
  user-select: none;
}
.faq-icon {
  font-size: 14px;
  color: var(--color-gray-500);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--color-primary); }

.faq-answer {
  display: none;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: .875rem;
  color: var(--color-gray-500);
  line-height: 1.75;
}
.faq-item.open .faq-answer { display: block; }

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-dark) 0%, #1e293b 40%, #312e81 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,.15), transparent);
  top: -200px;
  right: -100px;
  pointer-events: none;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 2;
}

.cta-text h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-text p {
  font-size: 1rem;
  color: rgba(255,255,255,.65);
  line-height: 1.75;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-group input {
  width: 100%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  color: white;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}
.form-group input::placeholder { color: rgba(255,255,255,.4); }
.form-group input:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,.15);
}

.form-note {
  font-size: 12px;
  color: rgba(255,255,255,.4);
  text-align: center;
}
.form-note a { color: rgba(255,255,255,.6); text-decoration: underline; }

.contact-alts {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}
.contact-alt {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: .875rem;
  color: rgba(255,255,255,.8);
  font-weight: 500;
  transition: all var(--transition);
}
.contact-alt:hover {
  background: rgba(255,255,255,.15);
  color: white;
}
.contact-alt i { font-size: 16px; color: var(--color-primary); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.6);
  padding: 64px 0 32px;
}

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

.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: white; }

.footer-brand p {
  font-size: .875rem;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}
.footer-socials a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: all var(--transition);
}
.footer-socials a:hover {
  background: var(--color-primary);
  color: white;
}

.footer-col h4 {
  font-size: .875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  letter-spacing: .03em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-col a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .8125rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: rgba(255,255,255,.4);
  transition: color var(--transition);
  font-size: .8125rem;
}
.footer-links a:hover { color: rgba(255,255,255,.8); }

/* ===== MODAL ===== */
.live-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.live-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.live-modal {
  background: white;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  transform: scale(.92);
  transition: transform var(--transition);
  box-shadow: var(--shadow-xl);
}
.live-modal-overlay.active .live-modal { transform: scale(1); }

.modal-icon {
  font-size: 3rem;
  color: var(--color-success);
  margin-bottom: 16px;
}
.live-modal h3 {
  font-size: 1.375rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--color-dark);
}
.live-modal p {
  font-size: .9375rem;
  color: var(--color-gray-500);
  margin-bottom: 24px;
}

/* ===== SCROLL ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-title { font-size: 2.5rem; }

  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .testimonial-card--featured { transform: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }

  .solution-inner { grid-template-columns: 1fr; }
  .solution-visual { order: -1; }
  .mobile-inner { grid-template-columns: 1fr; }
  .mobile-text { order: -1; }

  .cta-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .steps-container { flex-direction: column; gap: 24px; }
  .step-arrow { transform: rotate(90deg); align-self: center; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: white;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-lg);
    gap: 0;
    z-index: 999;
  }
  .nav-links.open li { border-bottom: 1px solid var(--color-gray-100); }
  .nav-links.open a { display: block; padding: 14px 0; font-size: 16px; }
  .nav-links.open + .nav-cta { display: none; }

  .burger { display: flex; }

  .hero { padding: 72px 0 60px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 16px; }

  .section-title { font-size: 1.625rem; }

  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 100%; }

  .form-row { grid-template-columns: 1fr; }
  .contact-alts { flex-direction: column; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links { justify-content: center; }

  .proof-logos { gap: 20px; }
  .proof-logo { font-size: 13px; }

  .steps-container { gap: 16px; }
  .step-arrow { display: none; }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-title { font-size: 1.75rem; }
  .hero-stats { flex-wrap: wrap; gap: 12px; }
  .stat-divider { display: none; }
  .screen-mockup { max-width: 100%; }
  .vertical-screen-mockup { width: 180px; }
  .phone-mockup { width: 180px; }
  .cta-inner { gap: 32px; }
  .pricing-card { padding: 28px 20px; }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(249,115,22,.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 500;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(249,115,22,.5);
  transform: translateY(-2px);
}

/* Active nav link */
.nav-links a.active { color: var(--color-primary); }

/* Feature icon transition */
.feature-icon {
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

/* ===== PORTRAIT SCREENS (TV/kiosk) ===== */
@media (orientation: portrait) and (min-width: 768px) and (min-height: 1024px) {
  /* Настройки для вертикальных экранов типа digital signage */
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { justify-content: center; }
}