:root {
    --bg-dark: #0b0d17;
    --bg-light: #ffffff;
    --accent: #ff4d8d;
    --accent-secondary: #5e60ce;
    --text-dark: #1d1d1f;
    --text-muted: #5c5f6f;
    --surface: #f6f7fb;
    --shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --transition: all 0.3s ease;
    font-size: 16px;
}

html {
    overflow-x: hidden;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Montserrat", sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

section {
    padding: 80px clamp(1.5rem, 5vw, 6rem);
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 2.75rem);
    margin-bottom: 16px;
}

.section-heading p {
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), #ff6fb7);
    color: #fff;
    box-shadow: 0 12px 25px rgba(255, 77, 141, 0.3);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(255, 77, 141, 0.35);
}

.btn.secondary {
    background: #fff;
    color: var(--accent);
    box-shadow: 0 15px 35px rgba(94, 96, 206, 0.25);
}

.btn.secondary:hover {
    transform: translateY(-2px);
}

.hero {
    --hero-side-padding: clamp(1.5rem, 5vw, 6rem);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at top left, rgba(255, 111, 183, 0.15), transparent 55%),
                radial-gradient(circle at bottom, rgba(94, 96, 206, 0.18), transparent 40%),
                var(--bg-light);
    padding: 20px var(--hero-side-padding) 60px;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    height: 2px;
    width: 0;
    left: 0;
    bottom: -6px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

.hero-content {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 6vw, 4.5rem);
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-text p {
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-image {
    border-radius: 0;
    overflow: hidden;
    position: relative;
    box-shadow: none;
    width: 100%;
}

.hero-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 77, 141, 0.3), rgba(94, 96, 206, 0.35));
    mix-blend-mode: screen;
    pointer-events: none;
}

.audience {
    background: var(--surface);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.audience-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 45px rgba(15, 23, 42, 0.18);
}

.icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(94, 96, 206, 0.15), rgba(255, 77, 141, 0.22));
    display: grid;
    place-items: center;
    font-size: 1.4rem;
    color: var(--accent);
    margin: 0 auto 20px;
}

.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: center;
}

.about-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.about-text ul {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    gap: 12px;
}

.about-text li {
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--text-muted);
}

.about-text i {
    color: var(--accent);
}

.session {
    background: var(--surface);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.timeline-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    position: relative;
    text-align: center;
}

.timeline-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 77, 141, 0.18), rgba(94, 96, 206, 0.18));
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--accent-secondary);
    margin: 0 auto 18px;
}

.signup {
    background: linear-gradient(135deg, rgba(94, 96, 206, 0.85), rgba(255, 77, 141, 0.85));
    color: #fff;
}

.signup-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.signup-text ul {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    gap: 12px;
}

.signup-text li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.signup-text i {
    color: #ffe3f1;
}

.signup-actions {
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 32px;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    display: grid;
    gap: 16px;
    align-content: start;
}

.contact-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 14px 22px;
    border-radius: 16px;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-button i {
    font-size: 1.4rem;
}

.contact-button.instagram {
    background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af);
    box-shadow: 0 15px 30px rgba(221, 42, 123, 0.35);
}

.contact-button.telegram {
    background: linear-gradient(135deg, #2aabee, #229ed9);
    box-shadow: 0 15px 30px rgba(42, 171, 238, 0.35);
}

.contact-button:hover {
    transform: translateY(-2px);
}

.contact-note {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.reviews {
    background: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.review {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 16px;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.review-header img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.review span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.cta {
    background: linear-gradient(135deg, rgba(11, 13, 23, 0.92), rgba(94, 96, 206, 0.92));
    color: #fff;
    text-align: center;
}

.cta-content {
    max-width: 560px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.contacts {
    background: var(--surface);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.contact-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    padding: 28px;
    display: grid;
    gap: 12px;
}

.contact-card i {
    color: var(--accent);
    margin-right: 8px;
}

.socials {
    display: flex;
    gap: 16px;
    font-size: 1.3rem;
}

.socials a {
    color: var(--accent);
    transition: transform 0.3s ease;
}

.socials a:hover {
    transform: translateY(-4px);
}

.faq {
    background: var(--bg-light);
}

.faq-accordion {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.faq-item {
    background: var(--surface);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    padding: 18px 24px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(94, 96, 206, 0.08);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 24px;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding-bottom: 18px;
}

.footer {
    text-align: center;
    padding: 32px;
    background: #06070f;
    color: rgba(255, 255, 255, 0.7);
    display: grid;
    gap: 12px;
}

.footer a {
    color: #fff;
    font-weight: 600;
}

@media (max-width: 992px) {
    .hero {
        --hero-side-padding: clamp(1rem, 4vw, 3rem);
        padding: 16px var(--hero-side-padding) 40px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }

    .hero-text p {
        margin: 0 auto 24px;
    }

    .hero-text h1 {
        margin-top: 0;
    }

    .hero-image {
        order: -1;
        margin: 0 calc((100vw - 100%) / -2);
        width: 100vw;
        max-width: none;
        box-shadow: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 56px 1.25rem;
    }

    .hero-text h1 {
        margin-bottom: 18px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        right: clamp(1.5rem, 5vw, 6rem);
        background: #fff;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow);
        padding: 20px 24px;
        flex-direction: column;
        gap: 16px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: var(--transition);
        z-index: 10;
    }

    .nav-links.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .audience-card,
    .timeline-item,
    .review,
    .contact-card {
        padding: 24px;
    }
}

@media (max-width: 576px) {
    .signup-actions {
        padding: 24px;
    }

    .about-badge-main {
        display: block;
    }

    .icon-circle {
        margin: 0 auto 16px;
    }

    .timeline-icon {
        margin: 0 auto 16px;
    }

    .faq-question {
        font-size: 0.95rem;
    }

    .footer {
        padding: 24px 16px;
    }
}