/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: rgba(99, 102, 241, 0.08);
    --purple: #8b5cf6;
    --green: #10b981;
    --green-bg: rgba(16, 185, 129, 0.08);
    --orange: #f59e0b;
    --orange-bg: rgba(245, 158, 11, 0.08);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.08);
    --purple-bg: rgba(139, 92, 246, 0.08);

    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);

    --transition: 0.2s ease;
    --transition-slow: 0.4s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 15px;
    padding: 10px 24px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: var(--border);
    color: var(--text);
    background: var(--bg);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }

/* ===== Typography ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-light {
    background: linear-gradient(135deg, #c7d2fe, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section-badge.light {
    background: rgba(255,255,255,0.15);
    color: #c7d2fe;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.logo-dot {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
    border-radius: 1px;
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    transition: color var(--transition);
}

.nav-phone:hover { color: var(--primary); }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    padding: 24px;
    background: var(--bg);
    border-top: 1px solid var(--border-light);
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.mobile-nav-links a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
}

.mobile-phone {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(99, 102, 241, 0.08), transparent),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(139, 92, 246, 0.06), transparent),
        radial-gradient(ellipse 50% 40% at 50% 80%, rgba(16, 185, 129, 0.04), transparent);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.hero-stat-number {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-phone-mockup {
    width: 300px;
    background: var(--bg);
    border-radius: 32px;
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--border-light);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.phone-screen {
    padding: 0;
}

.phone-header {
    background: linear-gradient(135deg, var(--primary), var(--purple));
    padding: 16px 20px 20px;
    color: white;
}

.phone-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    opacity: 0.8;
}

.phone-status-icons {
    display: flex;
    gap: 4px;
}

.phone-app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.phone-app-title {
    font-size: 22px;
    font-weight: 700;
}

.phone-app-status {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.2);
}

.phone-app-status.online::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34d399;
    margin-right: 5px;
}

.phone-calls {
    padding: 12px 16px;
}

.phone-call {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

.phone-call:last-child { border-bottom: none; }

.call-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.call-avatar.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.call-avatar.red { background: var(--red-bg); color: var(--red); }
.call-avatar.green { background: var(--green-bg); color: var(--green); }

.call-info { flex: 1; }

.call-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.call-details {
    font-size: 12px;
    color: var(--text-muted);
}

.call-status-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.call-status-icon.answered {
    background: var(--green-bg);
    color: var(--green);
}

.call-status-icon.missed-icon {
    background: var(--red-bg);
    color: var(--red);
}

.phone-bottom-bar {
    display: flex;
    border-top: 1px solid var(--border-light);
    padding: 8px 0;
}

.phone-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    font-size: 10px;
    color: var(--text-muted);
}

.phone-tab.active {
    color: var(--primary);
}

/* ===== Trusted ===== */
.trusted {
    padding: 48px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.trusted-label {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    margin-bottom: 24px;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trusted-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-muted);
    opacity: 0.5;
    transition: opacity var(--transition);
}

.trusted-logo:hover { opacity: 0.8; }

/* ===== Advantages ===== */
.advantages {
    padding: 100px 0;
}

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

.advantage-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-slow);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-bg);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.advantage-icon.purple { background: var(--purple-bg); color: var(--purple); }
.advantage-icon.green { background: var(--green-bg); color: var(--green); }
.advantage-icon.orange { background: var(--orange-bg); color: var(--orange); }

.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Features ===== */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.features-showcase {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.feature-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.feature-row:nth-child(2) {
    grid-template-columns: 1fr 2fr;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.15);
}

.feature-card-content {
    padding: 32px;
}

.feature-icon-badge {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon-badge.purple { background: var(--purple-bg); color: var(--purple); }
.feature-icon-badge.green { background: var(--green-bg); color: var(--green); }
.feature-icon-badge.orange { background: var(--orange-bg); color: var(--orange); }

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    flex-shrink: 0;
}

/* Waveform Visual */
.feature-card-visual {
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.waveform {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 80px;
}

.wave-bar {
    width: 6px;
    height: var(--h);
    background: linear-gradient(to top, var(--primary), var(--purple));
    border-radius: 3px;
    animation: wave 1.5s ease-in-out infinite alternate;
    opacity: 0.7;
}

.wave-bar:nth-child(odd) { animation-delay: 0.2s; }
.wave-bar:nth-child(3n) { animation-delay: 0.4s; }
.wave-bar:nth-child(4n) { animation-delay: 0.6s; }

@keyframes wave {
    0% { transform: scaleY(0.6); }
    100% { transform: scaleY(1.2); }
}

/* Chart Visual */
.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    height: 100px;
}

.chart-bar {
    width: 40px;
    height: var(--h);
    background: linear-gradient(to top, var(--primary), var(--purple));
    border-radius: 6px 6px 0 0;
    position: relative;
    opacity: 0.8;
    transition: opacity var(--transition);
}

.chart-bar:hover { opacity: 1; }

.chart-bar span {
    position: absolute;
    bottom: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Mini Features */
.features-mini-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.mini-feature {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--radius);
    background: var(--bg);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.mini-feature:hover {
    border-color: var(--primary-bg);
    box-shadow: var(--shadow-sm);
}

.mini-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.mini-feature h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.mini-feature p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== Integrations ===== */
.integrations {
    padding: 100px 0;
}

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

.integration-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    background: var(--bg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-slow);
    position: relative;
}

.integration-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.integration-card.featured {
    border-color: rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.02), rgba(139, 92, 246, 0.02));
}

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

.integration-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.integration-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.integration-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
}

/* ===== Pricing ===== */
.pricing {
    padding: 100px 0;
    background: var(--bg-secondary);
}

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

.pricing-card {
    padding: 36px;
    border-radius: var(--radius-xl);
    background: var(--bg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-slow);
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--primary);
    transform: scale(1.03);
    z-index: 1;
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 16px;
}

.pricing-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-price {
    margin-top: 8px;
}

.price-amount {
    font-size: 40px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
}

.price-period {
    font-size: 14px;
    color: var(--text-muted);
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.6;
}

.pricing-features {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-features li svg {
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 32px;
}

/* ===== Operators ===== */
.operators {
    padding: 80px 0;
}

.operators-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.operator-card {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.operator-card:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
}

.operator-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-secondary);
}

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

.testimonial-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
}

.testimonial-card blockquote {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.author-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.author-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== How it works ===== */
.how-it-works {
    padding: 100px 0;
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step-card {
    flex: 1;
    max-width: 320px;
    text-align: center;
    padding: 32px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 50px;
    color: var(--border);
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active {
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color var(--transition);
}

.faq-item.active .faq-question { color: var(--primary); }

.faq-icon {
    transition: transform var(--transition);
    flex-shrink: 0;
    color: var(--text-muted);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Contact ===== */
.contact {
    padding: 100px 0;
    background: var(--bg-dark);
    color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-title {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: white;
    letter-spacing: -0.02em;
}

.contact-subtitle {
    font-size: 16px;
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all var(--transition);
}

.contact-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon.telegram { background: rgba(0, 136, 204, 0.15); color: #29b6f6; }
.contact-item-icon.instagram { background: rgba(225, 48, 108, 0.15); color: #e1306c; }

.contact-item-label {
    display: block;
    font-size: 12px;
    color: #64748b;
}

.contact-item-value {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #e2e8f0;
}

/* Contact Form */
.contact-form-wrapper {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    color: white;
    font-size: 15px;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder { color: #475569; }

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--bg-dark);
    color: white;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-note {
    text-align: center;
    font-size: 12px;
    color: #475569;
    margin-top: 16px;
}

.form-note a {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: #0b1120;
    padding: 64px 0 0;
    color: #94a3b8;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: #64748b;
    max-width: 320px;
}

.footer-links-group h4 {
    font-size: 14px;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 20px;
}

.footer-links-group ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-group a {
    font-size: 14px;
    color: #64748b;
    transition: color var(--transition);
}

.footer-links-group a:hover { color: white; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: #475569;
}

.footer-bottom a {
    color: #475569;
    transition: color var(--transition);
}

.footer-bottom a:hover { color: #94a3b8; }

/* ===== Back to top ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }

    .hero-visual { display: none; }

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

    .feature-row,
    .feature-row:nth-child(2) {
        grid-template-columns: 1fr;
    }

    .features-mini-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .pricing-card.popular {
        transform: scale(1);
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions { display: none; }
    .burger { display: flex; }

    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-title { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

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

    .integrations-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        order: -1;
    }

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

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        transform: rotate(90deg);
        padding-top: 0;
    }

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

    .footer-brand { grid-column: auto; }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .trusted-logos { gap: 24px; }
    .trusted-logo { font-size: 16px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .section-header { margin-bottom: 40px; }
    .section-title { font-size: 26px; }

    .features-mini-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn { width: 100%; }
}

/* ------------------------------------------------------------------ */
/* Форма заявки: ловушка для ботов и сообщение об ошибке.             */
/* Ловушку убираем из потока, но НЕ через display:none — часть ботов  */
/* такие поля пропускает, а absolute-смещение они заполняют как       */
/* обычное. Для скринридеров поле закрыто aria-hidden в разметке.     */
/* ------------------------------------------------------------------ */
.form-honey {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-error {
    margin-top: 0.75rem;
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    background: #fdecea;
    color: #b3261e;
    font-size: 0.9rem;
    border: 1px solid #f3b5b0;
}