/* ============================================
   DIGITAL DRAGON LANDING - FIXED VERSION
   Премиальный B2B лендинг для Tier 1 компаний
   ============================================ */

/* ============================================
   1. RESET & BASE STYLES
   ============================================ */

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

:root {
    /* Премиальная цветовая палитра */
    --primary-gold: #D4AF37;
    --primary-dark: #0A0A0A;
    --secondary-dark: #1A1A1A;
    --accent-gold: #FFD700;
    --text-light: #FFFFFF;
    --text-gray: #B8B8B8;
    --border-gold: rgba(212, 175, 55, 0.3);
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing System */
    --space-xs: 1rem;
    --space-sm: 2rem;
    --space-md: 4rem;
    --space-lg: 6rem;
    --space-xl: 8rem;
    
    /* Container */
    --container-max: 1400px;
    --container-padding: 2rem;
}

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

body {
    font-family: var(--font-primary);
    background: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   2. TYPOGRAPHY SYSTEM
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-light);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.8;
    color: var(--text-gray);
}

.text-gold {
    color: var(--primary-gold);
}

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

/* ============================================
   3. LAYOUT CONTAINER SYSTEM
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

.section {
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.section-compact {
    padding: var(--space-lg) 0;
}

/* ============================================
   4. BUTTON SYSTEM
   ============================================ */

.btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
    color: var(--primary-dark);
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-gold);
}

.btn-secondary:hover {
    background: var(--primary-gold);
    color: var(--primary-dark);
}

/* ============================================
   5. NAVIGATION MENU - Minimalist & Premium
   ============================================ */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav.scrolled {
    background: rgba(10, 10, 10, 0.99);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
    border-bottom-color: rgba(212, 175, 55, 0.25);
}

.nav-wrapper {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 3rem;
    height: 75px;
}

/* Logo - Minimal */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav-logo i {
    font-size: 1.5rem;
}

/* Menu - Centered */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    margin: 0;
    padding: 0;
    justify-content: center;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--primary-gold);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Actions - Right aligned */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-callback {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: 1px solid rgba(212, 175, 55, 0.4);
    color: var(--primary-gold);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    border-radius: 2px;
    white-space: nowrap;
}

.btn-callback:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--primary-gold);
}

.btn-callback i {
    font-size: 0.875rem;
}

.btn-nav {
    padding: 0.625rem 1.5rem;
    font-size: 0.75rem;
    white-space: nowrap;
}

/* Mobile Menu Toggle - Minimal */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--primary-gold);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu - Clean */
.mobile-menu {
    position: fixed;
    top: 75px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.mobile-menu.active {
    max-height: 600px;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu li {
    border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.mobile-menu li:last-child {
    border-bottom: none;
}

.mobile-nav-link {
    display: block;
    padding: 1.125rem 2rem;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover {
    background: rgba(212, 175, 55, 0.05);
    color: var(--primary-gold);
    padding-left: 2.5rem;
}

.btn-callback.mobile {
    width: calc(100% - 4rem);
    margin: 1.5rem 2rem;
    justify-content: center;
}

/* ============================================
   6. CALLBACK MODAL - Minimalist & Premium
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.90);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.98), rgba(10, 10, 10, 0.98));
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 2px;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: transparent;
    border: none;
    color: var(--text-gray);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--primary-gold);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    padding: 3rem 2.5rem 2rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.modal-icon {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1.25rem;
}

.modal-header h3 {
    font-size: 1.625rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-weight: 700;
}

.modal-header p {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.callback-form {
    padding: 2.5rem;
}

.callback-form .form-group {
    margin-bottom: 1.75rem;
}

.callback-form .form-label {
    font-size: 0.75rem;
    margin-bottom: 0.625rem;
}

.callback-form .form-input,
.callback-form .form-select {
    padding: 1rem 1.25rem;
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.15);
    font-size: 0.9375rem;
}

.callback-form .form-input:focus,
.callback-form .form-select:focus {
    border-color: rgba(212, 175, 55, 0.4);
    background: rgba(26, 26, 26, 0.8);
}

.callback-form .btn-submit {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 0.875rem;
}

.modal-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-gray);
    margin-top: 1.75rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.625rem;
    line-height: 1.6;
}

.modal-note i {
    color: var(--primary-gold);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* ============================================
   7. HERO SECTION - Full Screen Impact
   ============================================ */

#hero {
    margin-top: 75px; /* Высота навигации */
    min-height: calc(100vh - 75px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--primary-dark) url('../images/hero-shanghai-skyline.jpg') center/cover no-repeat;
    overflow: hidden;
}

/* КРИТИЧНО: Overlay для читаемости текста */
#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 26, 0.92) 0%,
        rgba(26, 26, 26, 0.88) 50%,
        rgba(10, 10, 26, 0.92) 100%
    );
    z-index: 1;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 1000px;
    padding: var(--space-md);
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--border-gold);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-gold);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--text-light);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-highlight {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--primary-gold);
    margin-bottom: 3rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--primary-gold);
    display: block;
    font-family: var(--font-display);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   8. PROBLEM SECTION - Card Grid
   ============================================ */

#problem {
    background: var(--secondary-dark);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-md);
}

.section-title {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-gray);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: var(--space-md);
}

.problem-card {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9), rgba(10, 10, 10, 0.95));
    padding: 3rem 2rem;
    border: 1px solid var(--border-gold);
    border-left: 4px solid var(--primary-gold);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    /* ИСПРАВЛЕНО: убрана начальная opacity */
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.15);
    border-left-width: 8px;
}

.problem-card:hover::before {
    opacity: 1;
}

.problem-icon {
    font-size: 3rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    display: block;
}

.problem-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-light);
}

.problem-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* ============================================
   9. REVOLUTION SECTION - Impact Statement
   ============================================ */

#revolution {
    background: var(--primary-dark) url('../images/hengdian-studios.jpg') center/cover no-repeat fixed;
    text-align: center;
    position: relative;
}

/* КРИТИЧНО: Overlay для читаемости */
#revolution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 26, 0.93) 0%,
        rgba(26, 26, 26, 0.90) 50%,
        rgba(10, 10, 26, 0.93) 100%
    );
    z-index: 1;
}

.revolution-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.revolution-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: var(--space-md);
}

.stat-box {
    padding: 3rem 2rem;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--border-gold);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.stat-box:hover {
    transform: scale(1.05);
    background: rgba(26, 26, 26, 0.9);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.2);
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   8. WALL SECTION - Barrier Statement
   ============================================ */

#wall {
    background: var(--secondary-dark);
}

.wall-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.wall-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--space-md);
}

.wall-box {
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(26, 26, 26, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
    transition: all 0.4s ease;
}

.wall-box::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.wall-box:hover {
    border-color: var(--primary-gold);
}

.wall-box:hover::after {
    transform: scaleX(1);
}

.wall-icon {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1rem;
}

.wall-box h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

/* ============================================
   9. SOLUTION SECTION - Golden Key
   ============================================ */

#solution {
    background: var(--primary-dark) url('../images/corporate-meeting.jpg') center/cover no-repeat fixed;
    position: relative;
}

/* КРИТИЧНО: Overlay для читаемости */
#solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 26, 0.94) 0%,
        rgba(26, 26, 26, 0.91) 50%,
        rgba(10, 10, 26, 0.94) 100%
    );
    z-index: 1;
}

.solution-hero {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-md);
    position: relative;
    z-index: 2;
}

.solution-icon {
    font-size: 5rem;
    color: var(--primary-gold);
    margin-bottom: 2rem;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: var(--space-md);
    position: relative;
    z-index: 2;
}

.solution-card {
    padding: 3rem 2.5rem;
    background: rgba(26, 26, 26, 0.85);
    border: 2px solid var(--border-gold);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-gold), var(--accent-gold));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-8px);
    background: rgba(26, 26, 26, 0.95);
}

.solution-card:hover::before {
    opacity: 0.1;
}

.solution-card-icon {
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* ============================================
   10. VALUE SECTION - Benefits Grid
   ============================================ */

#value {
    background: var(--secondary-dark);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: var(--space-md);
}

.value-item {
    display: flex;
    gap: 2rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9), rgba(26, 26, 26, 0.8));
    border: 1px solid var(--border-gold);
    border-radius: 4px;
    transition: all 0.4s ease;
}

.value-item:hover {
    transform: translateX(8px);
    border-color: var(--primary-gold);
    box-shadow: -8px 0 24px rgba(212, 175, 55, 0.15);
}

.value-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    flex-shrink: 0;
    line-height: 1;
}

.value-text h3 {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.value-text p {
    font-size: 1rem;
    color: var(--text-gray);
}

/* ============================================
   11. PROGRAM SECTION - Timeline
   ============================================ */

#program {
    background: var(--primary-dark);
}

.program-timeline {
    max-width: 1000px;
    margin: var(--space-md) auto 0;
}

.timeline-day {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    border-left: 3px solid var(--border-gold);
    margin-left: 75px;
    position: relative;
}

.timeline-day::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 3rem;
    width: 20px;
    height: 20px;
    background: var(--primary-gold);
    border: 4px solid var(--primary-dark);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.timeline-day:hover::before {
    transform: scale(1.3);
    box-shadow: 0 0 20px var(--primary-gold);
}

.day-label {
    text-align: right;
    padding-right: 3rem;
}

.day-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    line-height: 1;
}

.day-city {
    font-size: 1.125rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

.day-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.day-activities {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.activity {
    padding: 1.5rem;
    background: rgba(26, 26, 26, 0.6);
    border-left: 3px solid var(--primary-gold);
    transition: all 0.3s ease;
}

.activity:hover {
    background: rgba(26, 26, 26, 0.9);
    transform: translateX(8px);
}

.activity-time {
    font-size: 0.875rem;
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.activity-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* ============================================
   12. NETWORKING SECTION - Connections
   ============================================ */

#networking {
    background: var(--primary-dark) url('../images/networking-event.jpg') center/cover no-repeat fixed;
    position: relative;
}

/* КРИТИЧНО: Overlay для читаемости */
#networking::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 26, 0.93) 0%,
        rgba(10, 10, 26, 0.90) 50%,
        rgba(26, 26, 26, 0.93) 100%
    );
    z-index: 1;
}

.networking-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.networking-partners {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--space-md);
    position: relative;
    z-index: 2;
}

.partner-card {
    padding: 3rem 2rem;
    background: rgba(26, 26, 26, 0.85);
    border: 2px solid var(--border-gold);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    text-align: center;
}

.partner-card:hover {
    transform: scale(1.05);
    border-color: var(--primary-gold);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.25);
}

.partner-logo {
    font-size: 3rem;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
}

.partner-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* ============================================
   13. AUDIENCE SECTION - Target Tiers
   ============================================ */

#audience {
    background: var(--secondary-dark);
}

.audience-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: var(--space-md);
}

.tier-card {
    padding: 4rem 3rem;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(26, 26, 26, 0.9));
    border: 2px solid var(--border-gold);
    transition: all 0.4s ease;
    position: relative;
}

.tier-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-gold), var(--accent-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.tier-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-gold);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.2);
}

.tier-card:hover::after {
    transform: scaleX(1);
}

.tier-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
}

.tier-card h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.tier-list {
    list-style: none;
    margin-top: 2rem;
}

.tier-list li {
    padding: 1rem 0;
    padding-left: 2.5rem;
    position: relative;
    font-size: 1.125rem;
    color: var(--text-gray);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.tier-list li:last-child {
    border-bottom: none;
}

.tier-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-gold);
}

/* ============================================
   14. INVESTMENT SECTION - Pricing
   ============================================ */

#investment {
    background: var(--primary-dark) url('../images/data-visualization.jpg') center/cover no-repeat fixed;
    position: relative;
}

/* КРИТИЧНО: Overlay для читаемости */
#investment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 26, 0.95) 0%,
        rgba(26, 26, 26, 0.92) 50%,
        rgba(10, 10, 26, 0.95) 100%
    );
    z-index: 1;
}

.investment-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.pricing-box {
    padding: 5rem 4rem;
    background: rgba(26, 26, 26, 0.95);
    border: 3px solid var(--primary-gold);
    backdrop-filter: blur(10px);
    margin-top: var(--space-md);
    position: relative;
    overflow: hidden;
}

.pricing-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-gold), var(--accent-gold));
}

.price-tag {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    margin: 2rem 0;
}

.roi-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: left;
}

.roi-item {
    padding: 2rem;
    background: rgba(10, 10, 10, 0.6);
    border-left: 3px solid var(--primary-gold);
}

.roi-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-gold);
}

.urgency-timer {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--primary-gold);
}

.timer-label {
    font-size: 1.125rem;
    color: var(--primary-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.countdown-item {
    text-align: center;
}

.countdown-value {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--primary-gold);
    font-family: var(--font-display);
    display: block;
    line-height: 1;
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* ============================================
   15. FINAL CTA SECTION - Conversion Focus
   ============================================ */

#final-cta {
    background: var(--secondary-dark);
    text-align: center;
}

.cta-hero {
    max-width: 800px;
    margin: 0 auto;
}

.cta-urgency {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    font-size: 1.125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

.spots-remaining {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--primary-gold);
    font-weight: 700;
    margin: 2rem 0;
}

/* ============================================
   16. APPLICATION FORM - Simplified Premium
   ============================================ */

.application-form {
    max-width: 600px;
    margin: var(--space-md) auto 0;
    padding: 4rem 3rem;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(26, 26, 26, 0.9));
    border: 2px solid var(--primary-gold);
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-gold);
    margin-bottom: 0.75rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--border-gold);
    color: var(--text-light);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    background: rgba(26, 26, 26, 1);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-checkbox-group {
    margin: 2rem 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    padding: 1.5rem;
    margin-top: 1rem;
}

/* ============================================
   17. FAQ SECTION - Accordion
   ============================================ */

#faq {
    background: var(--primary-dark);
}

.faq-container {
    max-width: 900px;
    margin: var(--space-md) auto 0;
}

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-gold);
    background: rgba(26, 26, 26, 0.6);
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: var(--primary-gold);
    background: rgba(26, 26, 26, 0.9);
}

.faq-question {
    padding: 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(26, 26, 26, 0.7);
}

.faq-question h3 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--text-light);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-gold);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content {
    padding: 0 2rem 2rem 2rem;
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.8;
}

/* ============================================
   18. ORGANIZER SECTION - Trust Building
   ============================================ */

#organizer {
    background: var(--secondary-dark);
    text-align: center;
}

.organizer-content {
    max-width: 800px;
    margin: 0 auto;
}

.organizer-logo {
    font-size: 4rem;
    color: var(--primary-gold);
    margin-bottom: 2rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: var(--space-md);
}

.contact-item {
    padding: 2rem;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--border-gold);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 1rem;
}

.contact-item h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1.125rem;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--primary-gold);
}

/* ============================================
   19. ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ИСПРАВЛЕНО: Удалена автоматическая анимация */
.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* ============================================
   20. RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
        --space-xl: 6rem;
        --space-lg: 4rem;
    }
    
    .nav-wrapper {
        gap: 2rem;
    }
    
    .nav-menu {
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 0.75rem;
    }
    
    .btn-callback span {
        display: none;
    }
    
    .btn-callback i {
        margin: 0;
    }
    
    .timeline-day {
        grid-template-columns: 100px 1fr;
        gap: 2rem;
        margin-left: 50px;
    }
    
    .day-label {
        padding-right: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-xl: 4rem;
        --space-lg: 3rem;
        --space-md: 2rem;
    }
    
    /* Navigation - Mobile */
    .nav-wrapper {
        grid-template-columns: auto auto;
        height: 60px;
        gap: 1rem;
    }
    
    .nav-menu,
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        top: 60px;
    }
    
    .nav-logo {
        font-size: 1rem;
    }
    
    .nav-logo i {
        font-size: 1.25rem;
    }
    
    #hero {
        margin-top: 60px;
        min-height: calc(100vh - 60px);
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .problem-grid,
    .solution-features,
    .value-grid,
    .networking-partners,
    .audience-tiers {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timeline-day {
        grid-template-columns: 1fr;
        margin-left: 20px;
        gap: 1rem;
    }
    
    .day-label {
        text-align: left;
        padding-right: 0;
        padding-bottom: 1rem;
        border-bottom: 1px solid var(--border-gold);
    }
    
    .application-form {
        padding: 2rem 1.5rem;
    }
    
    .countdown {
        gap: 1rem;
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 0.875rem;
    }
    
    /* Modal - Mobile */
    .modal-content {
        width: 95%;
        border-radius: 0;
    }
    
    .modal-header {
        padding: 2.5rem 1.5rem 1.5rem;
    }
    
    .modal-header h3 {
        font-size: 1.375rem;
    }
    
    .callback-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-badge {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .value-item {
        flex-direction: column;
        gap: 1rem;
        padding: 2rem 1.5rem;
    }
    
    .pricing-box {
        padding: 3rem 2rem;
    }
    
    .roi-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* ============================================
   21. UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   22. PRINT STYLES
   ============================================ */

@media print {
    * {
        background: white !important;
        color: black !important;
    }
    
    .btn, .application-form, #final-cta {
        display: none;
    }
}
