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

:root {
    --bg: #000000;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --red: #CC0000;
    --red-dark: #990000;
    --red-glow: rgba(204, 0, 0, 0.3);
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-300: #cccccc;
    --gray-500: #888888;
    --gray-700: #444444;
    --gray-900: #1a1a1a;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

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

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--white);
}

.logo span {
    color: var(--red);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-300);
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.mobile-menu a {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray-300);
    padding: 8px 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-weight: 600;
    border: none;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--red);
    color: var(--white);
    padding: 12px 28px;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background: var(--red-dark);
    box-shadow: 0 4px 24px var(--red-glow);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
    border-radius: 14px;
}

/* ===== HERO ===== */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--red-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-300);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-buttons {
    margin-bottom: 48px;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 20px 40px;
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--red);
}

.stat span {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Phone Mockups */
.hero-phones {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 64px;
    position: relative;
    z-index: 1;
}

.phone {
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.08);
    background: #000;
    flex-shrink: 0;
}

.phone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.phone-center {
    width: 280px;
    z-index: 2;
    border-color: rgba(204, 0, 0, 0.3);
}

.phone-left,
.phone-right {
    width: 230px;
    opacity: 0.75;
    transform: scale(0.9);
}

.phone-left {
    transform: scale(0.9) perspective(1000px) rotateY(5deg);
}

.phone-right {
    transform: scale(0.9) perspective(1000px) rotateY(-5deg);
}

/* ===== SECTIONS COMMON ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-title span {
    color: var(--red);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 1.1rem;
    margin-bottom: 56px;
}

/* ===== FEATURES ===== */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(204, 0, 0, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== CATEGORIES ===== */
.categories {
    padding: 100px 0;
}

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

.category-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
}

.category-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.12);
}

.category-header {
    padding: 32px 28px 24px;
    text-align: center;
}

.category-header.couple {
    background: linear-gradient(135deg, rgba(204, 0, 0, 0.15), rgba(204, 0, 0, 0.05));
}

.category-header.deep {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
}

.category-header.spicy {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
}

.category-emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 12px;
}

.category-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.category-packs {
    list-style: none;
    padding: 8px 28px 28px;
}

.category-packs li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-300);
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-packs li:last-child {
    border-bottom: none;
}

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

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step {
    text-align: center;
    padding: 40px 28px;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--red);
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.step p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== DOWNLOAD / CTA ===== */
.download {
    padding: 100px 0;
}

.download-content {
    text-align: center;
    background: linear-gradient(135deg, rgba(204, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0) 60%);
    border: 1px solid rgba(204, 0, 0, 0.2);
    border-radius: 28px;
    padding: 80px 40px;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.download-content h2 span {
    color: var(--red);
}

.download-content p {
    color: var(--gray-300);
    font-size: 1.15rem;
    margin-bottom: 40px;
}

.store-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    color: #000;
    padding: 14px 28px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.store-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
}

.store-btn svg {
    fill: #000;
}

.store-btn small {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    text-align: left;
    line-height: 1.2;
}

.store-btn strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    text-align: left;
}

/* ===== FOOTER ===== */
.footer {
    padding: 80px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.footer-brand p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
    max-width: 280px;
}

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

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-300);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-700);
}

/* ===== PAGE LAYOUT (for inner pages) ===== */
.page-header {
    padding: 120px 0 48px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.page-content {
    padding: 0 0 100px;
}

.page-content .container {
    max-width: 800px;
}

.page-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
}

.page-content p,
.page-content li {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
    padding-left: 24px;
}

.page-content a {
    color: var(--red);
    text-decoration: underline;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--gray-500);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 24px;
    border-radius: var(--radius);
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition);
}

.contact-email:hover {
    border-color: rgba(204, 0, 0, 0.3);
    background: var(--bg-card-hover);
}

.contact-email svg {
    flex-shrink: 0;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-300);
}

.form-group input,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--white);
    outline: none;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--red);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-700);
}

.contact-form .btn {
    align-self: flex-start;
}

.form-success {
    display: none;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius);
    padding: 16px 20px;
    color: #22c55e;
    font-size: 0.95rem;
    font-weight: 500;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }

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

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

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

    .nav .btn-sm {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 20px;
        padding: 16px 24px;
    }

    .stat strong {
        font-size: 1.4rem;
    }

    .stat-divider {
        width: 1px;
        height: 32px;
    }

    .hero-phones {
        gap: 12px;
        margin-top: 48px;
    }

    .phone-center {
        width: 200px;
    }

    .phone-left,
    .phone-right {
        width: 160px;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .categories-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .download-content {
        padding: 48px 24px;
    }

    .download-content h2 {
        font-size: 2rem;
    }

    .store-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-phones {
        gap: 8px;
    }

    .phone-center {
        width: 160px;
    }

    .phone-left,
    .phone-right {
        width: 120px;
    }

    .phone {
        border-radius: 20px;
    }

    .hero-stats {
        gap: 16px;
        padding: 14px 20px;
    }

    .stat strong {
        font-size: 1.2rem;
    }

    .stat span {
        font-size: 0.75rem;
    }
}