/* ================================================
   WinClass Courses — Design System v2
   courses.winclass.ru
   Пропорции как на образце winclass.ru
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
    --blue-light: #41C8E5;
    --blue-medium: #2EB4D4;
    --green-light: #8EDC50;
    --green-medium: #4DC247;
    --purple-light: #BF80FF;
    --purple-medium: #9966CC;
    --turquoise: #46D2D2;
    --glow-blue: 0 0 15px rgba(65, 200, 229, 0.5);
    --glow-green: 0 0 15px rgba(77, 194, 71, 0.5);
    --glow-purple: 0 0 15px rgba(153, 102, 204, 0.5);
    --glow-turquoise: 0 0 15px rgba(70, 210, 210, 0.5);
    --gradient-brand: linear-gradient(135deg, #46D2D2 0%, #4DC247 50%, #41C8E5 100%);
    --gradient-title: linear-gradient(90deg, #46D2D2 0%, #4DC247 25%, #41C8E5 50%, #9966CC 75%, #46D2D2 100%);
    --gradient-cosmic: linear-gradient(135deg, var(--purple-medium), var(--turquoise));
    --gradient-rainbow: linear-gradient(90deg, var(--turquoise), var(--green-medium), var(--blue-light), var(--purple-medium));
    --bg-primary: #f5f9fc;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.9);
    --text-primary: #1a2b3c;
    --text-secondary: #5a6b7c;
    --text-muted: #8a9bac;
    --header-height: 70px;
    --trust-height: 40px;
    --sidebar-width: 240px;
    --sidebar-collapsed: 70px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Montserrat', sans-serif; background: #ffffff; color: var(--text-primary); overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }

/* === PARTICLES === */
.space-particles { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.particle { position: absolute; border-radius: 50%; animation: floatParticle var(--dur, 20s) infinite ease-in-out; }
.particle.lime { background: var(--green-medium); box-shadow: var(--glow-green); }
.particle.cyan { background: var(--blue-light); box-shadow: var(--glow-blue); }
.particle.violet { background: var(--purple-medium); box-shadow: var(--glow-purple); }
.particle.pink { background: var(--turquoise); box-shadow: var(--glow-turquoise); }
@keyframes floatParticle {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.5; }
    25% { transform: translateY(-80px) translateX(40px); opacity: 0.8; }
    50% { transform: translateY(-120px) translateX(-30px); opacity: 0.4; }
    75% { transform: translateY(-60px) translateX(-50px); opacity: 0.7; }
}

/* === HEADER (как на образце) === */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--bg-glass); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(70, 210, 210, 0.2);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px; z-index: 100;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-image { width: 48px; height: 48px; filter: drop-shadow(3px 3px 6px rgba(77, 194, 71, 0.4)); animation: logoFloat 3s ease-in-out infinite; }
.logo:hover .logo-image { transform: scale(1.1) rotate(5deg); }
@keyframes logoFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
.logo-text { font-size: 26px; font-weight: 800; background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.header-actions { display: flex; gap: 10px; align-items: center; }
.btn-header {
    display: flex; align-items: center; gap: 8px;
    padding: 11px 22px; border-radius: var(--radius-full);
    font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700;
    cursor: pointer; transition: all 0.3s ease; border: none;
    background: var(--gradient-brand); color: white;
    box-shadow: 0 4px 20px rgba(70, 210, 210, 0.4);
}
.btn-header:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 6px 30px rgba(70, 210, 210, 0.5); }
.btn-header i { width: 18px; height: 18px; }

/* === TRUST BAR === */
.trust-bar {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    height: var(--trust-height);
    background: var(--bg-glass); backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(70, 210, 210, 0.15);
    display: flex; align-items: center; justify-content: center; gap: 32px;
    z-index: 99; font-size: 12px; font-weight: 600; color: var(--text-secondary);
}
.trust-item { display: flex; align-items: center; gap: 6px; }
.trust-item i { width: 16px; height: 16px; color: var(--turquoise); }
.trust-item strong { background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* === SIDEBAR === */
.sidebar {
    width: var(--sidebar-width); padding: 14px 10px;
    display: flex; flex-direction: column; gap: 2px;
    position: fixed; top: calc(var(--header-height) + var(--trust-height));
    left: 0; bottom: 0; overflow-y: auto;
    background: var(--bg-glass); backdrop-filter: blur(20px);
    border-right: 1px solid rgba(70, 210, 210, 0.12); z-index: 98;
}
.sidebar-label {
    font-size: 9px; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1.5px;
    padding: 8px 14px 4px; margin-top: 2px;
}
.menu-item {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 14px; border-radius: var(--radius-md);
    cursor: pointer; transition: all 0.3s ease; position: relative;
}
.menu-item i { width: 20px; height: 20px; transition: all 0.3s ease; flex-shrink: 0; }
.menu-item span { font-size: 12px; font-weight: 600; color: var(--text-secondary); transition: all 0.3s ease; white-space: nowrap; }
.menu-item:hover { background: rgba(70, 210, 210, 0.1); transform: translateX(3px); }
.menu-item:hover i { transform: scale(1.15); filter: drop-shadow(0 0 8px currentColor); }
.menu-item:hover span { color: var(--text-primary); }
.menu-item.active { background: var(--bg-secondary); box-shadow: var(--shadow-sm), var(--glow-turquoise); transform: translateX(3px); }
.menu-item.active i { color: var(--turquoise) !important; filter: drop-shadow(0 0 6px var(--turquoise)) !important; }
.menu-item.active span { color: var(--text-primary); font-weight: 700; }
.menu-indicator { position: absolute; left: 0; width: 3px; height: 60%; background: var(--gradient-brand); border-radius: 0 3px 3px 0; opacity: 0; transition: opacity 0.3s; }
.menu-item:hover .menu-indicator { opacity: 0.5; }
.menu-item.active .menu-indicator { opacity: 1; }

/* Icon colors */
.menu-item[data-page="home"] i { color: var(--turquoise); filter: drop-shadow(0 0 4px var(--turquoise)); }
.menu-item[data-page="skorochtenie"] i { color: #46D2D2; filter: drop-shadow(0 0 4px #46D2D2); }
.menu-item[data-page="pamyat"] i { color: #8b5cf6; filter: drop-shadow(0 0 4px #8b5cf6); }
.menu-item[data-page="vnimanie"] i { color: #f59e0b; filter: drop-shadow(0 0 4px #f59e0b); }
.menu-item[data-page="eq"] i { color: #ef4444; filter: drop-shadow(0 0 4px #ef4444); }
.menu-item[data-page="finance"] i { color: #10b981; filter: drop-shadow(0 0 4px #10b981); }
.menu-item[data-page="logika"] i { color: #6366f1; filter: drop-shadow(0 0 4px #6366f1); }
.menu-item[data-page="neuro"] i { color: #ec4899; filter: drop-shadow(0 0 4px #ec4899); }
.menu-item[data-page="chess"] i { color: #1e3a8a; filter: drop-shadow(0 0 4px #1e3a8a); }
.menu-item[data-page="how"] i { color: var(--green-medium); filter: drop-shadow(0 0 4px var(--green-medium)); }
.menu-item[data-page="contacts"] i { color: var(--blue-medium); filter: drop-shadow(0 0 4px var(--blue-medium)); }
.menu-item:not(.menu-cta) i { animation: iconGlow 2.5s ease-in-out infinite; }
@keyframes iconGlow { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); filter: drop-shadow(0 0 8px currentColor); } }

.menu-cta {
    background: var(--gradient-brand); border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(70, 210, 210, 0.4); margin-top: 6px;
}
.menu-cta i { color: white !important; filter: drop-shadow(0 0 4px rgba(255,255,255,0.5)) !important; animation: none !important; }
.menu-cta span { color: white !important; font-weight: 700 !important; }
.menu-cta:hover { transform: translateX(3px) scale(1.02); box-shadow: 0 6px 30px rgba(70, 210, 210, 0.5); }
.menu-cta .menu-indicator { display: none; }
.sidebar-divider { height: 1px; background: rgba(70, 210, 210, 0.12); margin: 4px 10px; }

/* Sidebar custom scrollbar */
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(70, 210, 210, 0.2); border-radius: 10px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: rgba(70, 210, 210, 0.4); }
.sidebar { scrollbar-width: thin; scrollbar-color: rgba(70, 210, 210, 0.2) transparent; }

/* Hamburger (mobile) */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger i { width: 24px; height: 24px; color: var(--text-primary); }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 97; }

/* === MAIN LAYOUT === */
.main-container {
    padding-top: calc(var(--header-height) + var(--trust-height));
    margin-left: var(--sidebar-width);
    min-height: 100vh; position: relative; z-index: 1;
}
.content-area { padding: 28px; max-width: 1100px; }

/* === GRADIENT TITLE (как на образце) === */
.gradient-title {
    font-size: 28px; font-weight: 900; line-height: 1.2;
    background: var(--gradient-title); background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    animation: gradientFlow 4s linear infinite;
}
@keyframes gradientFlow { 0% { background-position: 0% center; } 100% { background-position: 200% center; } }

/* === HERO SECTION (компактный) === */
.hero {
    background: linear-gradient(135deg, rgba(70,210,210,0.06) 0%, rgba(77,194,71,0.04) 50%, rgba(65,200,229,0.06) 100%);
    border-radius: var(--radius-lg); padding: 32px 36px;
    margin-bottom: 36px; position: relative; overflow: hidden;
    border: 1px solid rgba(70, 210, 210, 0.12);
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: var(--radius-full);
    background: rgba(70, 210, 210, 0.12); border: 1px solid rgba(70, 210, 210, 0.25);
    font-size: 11px; font-weight: 700; color: var(--turquoise); margin-bottom: 14px;
}
.hero-badge i { width: 14px; height: 14px; }
.hero h1 { font-size: 28px; font-weight: 900; line-height: 1.2; margin-bottom: 14px; }
.hero h1.gradient-title { font-size: 28px; }
.hero-subtitle { font-size: 14px; font-weight: 500; color: var(--text-secondary); max-width: 600px; margin-bottom: 20px; line-height: 1.6; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero with course image */
.hero-course { display: flex; gap: 32px; align-items: center; }
.hero-course-info { flex: 1; }
.hero-course-visual { flex: 0 0 240px; }
.hero-course-visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.hero-meta { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.hero-meta-item {
    display: flex; align-items: center; gap: 6px;
    padding: 5px 12px; border-radius: var(--radius-full);
    background: rgba(255,255,255,0.7); border: 1px solid rgba(70,210,210,0.12);
    font-size: 12px; font-weight: 600; color: var(--text-secondary);
}
.hero-meta-item i { width: 14px; height: 14px; color: var(--turquoise); }

/* === BUTTONS (компактные) === */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 24px; border-radius: var(--radius-full);
    font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700;
    background: var(--gradient-brand); color: white; border: none;
    cursor: pointer; transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(70, 210, 210, 0.4);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 6px 25px rgba(70, 210, 210, 0.5); }
.btn-primary i { width: 16px; height: 16px; }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 22px; border-radius: var(--radius-full);
    font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700;
    background: transparent; color: var(--text-primary);
    border: 2px solid rgba(70, 210, 210, 0.25);
    cursor: pointer; transition: all 0.3s ease;
}
.btn-secondary:hover { border-color: var(--turquoise); background: rgba(70, 210, 210, 0.06); transform: translateY(-2px); }
.btn-secondary i { width: 16px; height: 16px; color: var(--turquoise); }

/* === SECTIONS === */
.section { margin-bottom: 40px; }
.section-title { font-size: 20px; font-weight: 800; margin-bottom: 8px; color: var(--text-primary); }
.section-subtitle { font-size: 13px; color: var(--text-secondary); margin-bottom: 24px; max-width: 550px; }

/* === COURSE CATALOG === */
.courses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.course-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 20px; border: 1px solid rgba(0,0,0,0.06);
    transition: all 0.3s ease; display: flex; flex-direction: column;
}
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.course-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.course-card-img { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; flex-shrink: 0; box-shadow: var(--shadow-sm); }
.course-card-title { font-size: 14px; font-weight: 800; line-height: 1.3; }
.course-card-age { display: inline-block; padding: 3px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 700; margin-top: 3px; }
.course-card-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.course-card-stats { display: flex; gap: 12px; margin-bottom: 14px; font-size: 11px; font-weight: 600; color: var(--text-muted); }
.course-card-stats span { display: flex; align-items: center; gap: 4px; }
.course-card-stats i { width: 13px; height: 13px; }
.course-card-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px; border-radius: var(--radius-md);
    font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 700;
    color: white; border: none; cursor: pointer; transition: all 0.3s ease;
}
.course-card-btn:hover { filter: brightness(1.1); transform: scale(1.02); }
.course-card-btn i { width: 14px; height: 14px; }

/* === USP GRID === */
.usp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.usp-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 22px; border: 1px solid rgba(70, 210, 210, 0.08);
    transition: all 0.3s ease;
}
.usp-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(70, 210, 210, 0.2); }
.usp-card-icon {
    width: 42px; height: 42px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.usp-card-icon i { width: 22px; height: 22px; color: white; }
.usp-card h3 { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.usp-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* === STEPS === */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; position: relative; }
.steps-grid::before {
    content: ''; position: absolute; top: 36px; left: 15%; right: 15%;
    height: 2px; background: var(--gradient-brand); border-radius: 2px; z-index: 0;
}
.step-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 24px 18px; text-align: center;
    border: 1px solid rgba(70, 210, 210, 0.1); position: relative; z-index: 1;
    transition: all 0.3s ease;
}
.step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.step-number {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--gradient-brand); color: white;
    font-size: 20px; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px;
    box-shadow: 0 4px 15px rgba(70, 210, 210, 0.35);
}
.step-card h3 { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.step-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.step-card .btn-primary { margin-top: 12px; font-size: 12px; padding: 8px 16px; }

/* === PROBLEM/SOLUTION === */
.problem-solution { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 36px; }
.problem-card, .solution-card { border-radius: var(--radius-md); padding: 24px; }
.problem-card { background: linear-gradient(135deg, #fff5f5, #fef2f2); border: 1px solid rgba(239, 68, 68, 0.12); }
.solution-card { background: linear-gradient(135deg, #f0fdfa, #ecfdf5); border: 1px solid rgba(16, 185, 129, 0.12); }
.problem-card h3, .solution-card h3 { font-size: 15px; font-weight: 800; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.ps-list { display: flex; flex-direction: column; gap: 8px; }
.ps-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.ps-list li i { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }
.problem-card .ps-list li i { color: #ef4444; }
.solution-card .ps-list li i { color: #10b981; }

/* === REELS BANNER === */
.reels-banner {
    background: linear-gradient(135deg, #1a2b3c 0%, #0f1922 100%);
    border-radius: var(--radius-lg); padding: 28px 32px;
    display: flex; align-items: center; gap: 24px;
    margin-bottom: 36px; color: white; overflow: hidden; position: relative;
}
.reels-icon {
    width: 60px; height: 60px; background: var(--gradient-brand);
    border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; box-shadow: 0 4px 15px rgba(70,210,210,0.3);
}
.reels-icon i { width: 30px; height: 30px; color: white; }
.reels-content h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.reels-content p { font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.reels-tags { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.reels-tag {
    padding: 4px 10px; border-radius: var(--radius-full);
    background: rgba(70,210,210,0.12); border: 1px solid rgba(70,210,210,0.25);
    font-size: 11px; font-weight: 600; color: var(--turquoise);
}

/* === PLATFORM === */
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.platform-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 20px; border: 1px solid rgba(70,210,210,0.08); transition: all 0.3s ease;
}
.platform-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.platform-card-icon {
    width: 40px; height: 40px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.platform-card-icon i { width: 20px; height: 20px; color: white; }
.platform-card h3 { font-size: 14px; font-weight: 800; margin-bottom: 6px; }
.platform-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }

/* === STATS === */
.stats-bar {
    display: grid; grid-template-columns: repeat(4, 1fr);
    background: linear-gradient(135deg, #1a2b3c 0%, #0f1922 100%);
    border-radius: var(--radius-lg); padding: 32px 28px; gap: 16px; margin-bottom: 36px;
}
.stat-item { text-align: center; }
.stat-number { font-size: 32px; font-weight: 900; background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 4px; }
.stat-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.7); }

/* === FAQ === */
.faq-grid { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    border: 1px solid rgba(70,210,210,0.08); overflow: hidden;
}
.faq-question {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; cursor: pointer; font-size: 13px; font-weight: 700;
    transition: all 0.3s ease;
}
.faq-question:hover { background: rgba(70,210,210,0.04); }
.faq-question i { width: 18px; height: 18px; color: var(--turquoise); transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 18px 14px; font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.faq-item.open .faq-answer { max-height: 400px; }

/* === FINAL CTA === */
.final-cta {
    background: linear-gradient(135deg, rgba(70,210,210,0.08) 0%, rgba(77,194,71,0.06) 100%);
    border: 1px solid rgba(70,210,210,0.15); border-radius: var(--radius-lg);
    padding: 36px; text-align: center; margin-bottom: 36px;
}
.final-cta h2 { font-size: 22px; font-weight: 900; margin-bottom: 10px; }
.final-cta p { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; max-width: 450px; margin-left: auto; margin-right: auto; }

/* === LEAD FORM === */
.lead-form {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 28px; border: 1px solid rgba(70,210,210,0.12);
    max-width: 420px; margin: 0 auto 36px;
}
.lead-form h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; text-align: center; }
.lead-form p { font-size: 12px; color: var(--text-secondary); text-align: center; margin-bottom: 18px; }
.form-group { margin-bottom: 12px; }
.form-input {
    width: 100%; padding: 10px 14px;
    border: 2px solid rgba(70,210,210,0.12); border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif; font-size: 13px;
    transition: all 0.3s ease; background: var(--bg-primary);
}
.form-input:focus { outline: none; border-color: var(--turquoise); box-shadow: 0 0 0 3px rgba(70,210,210,0.12); }
.form-input::placeholder { color: var(--text-muted); }
.form-submit {
    width: 100%; padding: 12px;
    background: var(--gradient-brand); color: white;
    border: none; border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700;
    cursor: pointer; transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(70,210,210,0.35);
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(70,210,210,0.45); }
.form-note { font-size: 10px; color: var(--text-muted); text-align: center; margin-top: 8px; }

/* === COURSE PAGE: Modules === */
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.module-card {
    background: var(--bg-secondary); border-radius: var(--radius-sm);
    padding: 18px; border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease; border-top: 3px solid;
}
.module-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.module-number { font-size: 10px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.module-card h4 { font-size: 13px; font-weight: 800; margin-bottom: 5px; }
.module-card .module-lessons { font-size: 11px; font-weight: 600; margin-bottom: 5px; }
.module-card p { font-size: 11px; color: var(--text-secondary); line-height: 1.4; }

/* === Scientific base === */
.science-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.science-item { background: var(--bg-secondary); border-radius: var(--radius-sm); border: 1px solid rgba(0,0,0,0.05); overflow: hidden; }
.science-header { display: flex; align-items: center; gap: 10px; padding: 14px 16px; cursor: pointer; transition: all 0.3s ease; }
.science-header:hover { background: rgba(70,210,210,0.04); }
.science-emoji { font-size: 22px; flex-shrink: 0; }
.science-title { font-size: 12px; font-weight: 700; flex: 1; }
.science-toggle { width: 16px; height: 16px; color: var(--turquoise); transition: transform 0.3s; }
.science-item.open .science-toggle { transform: rotate(180deg); }
.science-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.science-body-inner { padding: 0 16px 14px; font-size: 11px; color: var(--text-secondary); line-height: 1.6; }
.science-item.open .science-body { max-height: 300px; }

/* === Includes === */
.includes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.include-card {
    background: var(--bg-secondary); border-radius: var(--radius-sm);
    padding: 18px; border: 1px solid rgba(0,0,0,0.05); text-align: center;
    transition: all 0.3s ease;
}
.include-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.include-icon { font-size: 28px; margin-bottom: 8px; }
.include-card h4 { font-size: 12px; font-weight: 700; margin-bottom: 4px; }
.include-card p { font-size: 10px; color: var(--text-secondary); line-height: 1.4; }

/* === Tiers === */
.tiers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tier-card {
    background: var(--bg-secondary); border-radius: var(--radius-md);
    padding: 24px; border: 2px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease; text-align: center; position: relative;
}
.tier-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tier-card--popular { border-color: var(--turquoise); box-shadow: var(--glow-turquoise); }
.tier-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    padding: 4px 14px; border-radius: var(--radius-full);
    background: var(--gradient-brand); color: white; font-size: 10px; font-weight: 700;
}
.tier-name { font-size: 16px; font-weight: 800; margin-bottom: 6px; margin-top: 6px; }
.tier-price { font-size: 28px; font-weight: 900; margin-bottom: 2px; }
.tier-price-note { font-size: 11px; color: var(--text-muted); margin-bottom: 16px; }
.tier-subtitle { font-size: 12px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.tier-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 16px; font-style: italic; }
.tier-features { text-align: left; margin-bottom: 18px; }
.tier-features li { display: flex; align-items: flex-start; gap: 6px; font-size: 11px; color: var(--text-secondary); padding: 4px 0; }
.tier-features li i { width: 14px; height: 14px; color: var(--turquoise); flex-shrink: 0; margin-top: 1px; }
.btn-disabled { opacity: 0.5; pointer-events: none; background: #ccc !important; box-shadow: none !important; }

@media (max-width: 1024px) {
    .tiers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .tiers-grid { grid-template-columns: 1fr; max-width: 400px; }
}

/* === Related courses === */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

/* === FEATURES (на внутренних) === */
.cr { --radius-md: 14px; --radius-lg: 20px; }

/* === FOOTER (как на образце) === */
.wc-footer {
    background: linear-gradient(135deg, #1a2b3c 0%, #0f1922 100%);
    margin-left: var(--sidebar-width); padding: 40px 32px 24px;
    position: relative; z-index: 10;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 32px; margin-bottom: 32px; }
.footer-brand { padding-right: 16px; }
.footer-logo-text {
    font-size: 24px; font-weight: 800;
    background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-desc { font-size: 12px; line-height: 1.6; color: rgba(255,255,255,0.6); margin: 12px 0 16px; }
.footer-socials { display: flex; gap: 10px; }
.social-link {
    width: 36px; height: 36px; background: rgba(255,255,255,0.08);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7); transition: all 0.3s ease;
}
.social-link:hover { background: var(--gradient-brand); color: white; transform: translateY(-3px); box-shadow: 0 8px 20px rgba(70,210,210,0.4); }
.footer-col {}
.footer-title {
    font-size: 13px; font-weight: 700; color: white;
    margin-bottom: 14px; position: relative; padding-bottom: 8px;
}
.footer-title::after {
    content: ''; position: absolute; left: 0; bottom: 0;
    width: 24px; height: 2px; background: var(--gradient-brand); border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,0.6); transition: all 0.3s ease; display: inline-block; }
.footer-links a:hover { color: var(--turquoise); transform: translateX(4px); }
.footer-info { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-messengers { display: flex; gap: 12px; margin-top: 4px; }
.messenger-link {
    width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; transition: all 0.3s ease;
}
.messenger-link.whatsapp { background: rgba(37,211,102,0.15); color: #25D366; }
.messenger-link.telegram { background: rgba(0,136,204,0.15); color: #0088cc; }
.messenger-link:hover { transform: translateY(-3px) scale(1.05); }
.messenger-link.whatsapp:hover { background: #25D366; color: white; box-shadow: 0 8px 20px rgba(37,211,102,0.4); }
.messenger-link.telegram:hover { background: #0088cc; color: white; box-shadow: 0 8px 20px rgba(0,136,204,0.4); }
.footer-bottom { padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); margin: 0; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .sidebar.open { display: flex; width: 260px; z-index: 200; background: white; }
    .sidebar-overlay.open { display: block; }
    .hamburger { display: block; }
    .main-container { margin-left: 0; }
    .wc-footer { margin-left: 0; }
    .content-area { padding: 24px; }
}

@media (max-width: 768px) {
    :root { --header-height: 60px; --trust-height: 36px; }
    .header { padding: 0 14px; }
    .logo-text { font-size: 22px; }
    .logo-image { width: 40px; height: 40px; }
    .trust-bar { gap: 12px; font-size: 10px; }
    .trust-item span { display: none; }
    .content-area { padding: 18px; }
    .hero { padding: 24px; }
    .hero h1, .hero h1.gradient-title { font-size: 22px; }
    .hero-subtitle { font-size: 13px; }
    .hero-course { flex-direction: column; gap: 20px; }
    .hero-course-visual { flex: none; width: 100%; max-width: 240px; margin: 0 auto; }
    .gradient-title { font-size: 22px; }
    .usp-grid, .courses-grid, .problem-solution, .platform-grid, .science-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .steps-grid::before { display: none; }
    .modules-grid, .includes-grid, .related-grid { grid-template-columns: 1fr 1fr; }
    .tiers-grid { grid-template-columns: 1fr; max-width: 340px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 24px 20px; }
    .stat-number { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-brand { grid-column: span 2; text-align: center; padding-right: 0; }
    .footer-socials { justify-content: center; }
    .wc-footer { padding: 32px 20px 20px; }
    .reels-banner { flex-direction: column; padding: 22px; text-align: center; }
    .reels-tags { justify-content: center; }
    .final-cta { padding: 28px 20px; }
    .btn-header span { display: none; }
    .btn-header { padding: 10px 12px; }
}

@media (max-width: 480px) {
    .hero-meta { gap: 6px; }
    .hero-meta-item { padding: 4px 8px; font-size: 10px; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .modules-grid, .includes-grid, .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
    .footer-title::after { left: 50%; transform: translateX(-50%); }
    .footer-col { text-align: center; }
    .footer-messengers { justify-content: center; }
}






















/* === HEART IMAGE UPGRADE === */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
}

.hero-visual::before {
    content: '';
    position: absolute;
    inset: 18px;
    border-radius: 32px;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.55) 35%, rgba(70,210,210,0.10) 70%, rgba(153,102,204,0.10) 100%);
    filter: blur(18px);
    transform: translateY(10px) scale(0.96);
    z-index: 0;
    pointer-events: none;
}

.hero-visual img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: auto;
    display: block;
    border-radius: 28px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(245,249,252,0.92));
    border: 1px solid rgba(255,255,255,0.8);
    box-shadow:
        0 18px 45px rgba(26, 43, 60, 0.14),
        0 8px 20px rgba(70, 210, 210, 0.14),
        inset 0 1px 0 rgba(255,255,255,0.85);
    transform: rotateY(-6deg) rotateX(3deg);
    animation: heartFloat 5.5s ease-in-out infinite;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-visual img:hover {
    transform: rotateY(-2deg) rotateX(1deg) translateY(-6px) scale(1.02);
    box-shadow:
        0 28px 60px rgba(26, 43, 60, 0.18),
        0 12px 30px rgba(70, 210, 210, 0.18),
        inset 0 1px 0 rgba(255,255,255,0.9);
}

@keyframes heartFloat {
    0%, 100% {
        transform: rotateY(-6deg) rotateX(3deg) translateY(0px);
    }
    50% {
        transform: rotateY(-4deg) rotateX(5deg) translateY(-10px);
    }
}

@media (max-width: 900px) {
    .hero-visual img {
        transform: none;
        animation: heartFloatMobile 5s ease-in-out infinite;
    }

    .hero-visual img:hover {
        transform: translateY(-4px) scale(1.01);
    }

    @keyframes heartFloatMobile {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-8px); }
    }
}