/* ==========================================
   X-TINDER VPN - PREMIUM LANDING PAGE
   Золото + Чёрный - Премиум дизайн
   ========================================== */

:root {
    /* Premium Colors */
    --color-gold: #FFD700;
    --color-gold-light: #FFF4CC;
    --color-gold-dark: #DAA520;
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-darker: #1a1a1a;
    --color-white: #ffffff;
    --color-gray: #999999;
    --color-gray-light: #cccccc;
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --header-height: 80px;
    --section-padding: 5rem 0;
    
    /* Effects */
    --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.3);
    --shadow-premium: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & BASE
   ========================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-white);
    background: var(--color-black);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

/* Animated Gradient Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(255, 215, 0, 0.03), 
        transparent 30%, 
        rgba(255, 215, 0, 0.05) 60%, 
        transparent);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Canvas для частиц */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

/* ==========================================
   HEADER
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    transition: var(--transition);
}

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

.logo__icon {
    font-size: 1.75rem;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.logo__vpn {
    font-weight: 400;
}

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

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav__link {
    color: var(--color-gray-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-gold);
}

.nav__link:hover::after {
    width: 100%;
}

.btn--header {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.95rem !important;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.5);
}

.btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn__icon {
    font-size: 1.5rem;
    transition: var(--transition);
}

.btn:hover .btn__icon {
    transform: translateX(5px);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 4rem;
    position: relative;
    z-index: 2;
}

.hero__container {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50px;
    color: var(--color-gold);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero__badge-icon {
    font-size: 1.2rem;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.hero__title-gradient {
    display: block;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-light);
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Hero Stats */
.hero__stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

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

.stat-item__number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-item__percent {
    font-size: 2rem;
}

.stat-item__label {
    color: var(--color-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero__cta {
    margin-top: 3rem;
}

.hero__cta-note {
    margin-top: 1rem;
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ==========================================
   SECTIONS
   ========================================== */

section {
    padding: var(--section-padding);
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    font-weight: 300;
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features {
    background: linear-gradient(180deg, transparent, rgba(255, 215, 0, 0.02), transparent);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

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

.feature-card__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition);
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.2) rotate(5deg);
}

.feature-card__title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-gold);
}

.feature-card__text {
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */

.how-it-works {
    background: rgba(26, 26, 26, 0.5);
}

.steps {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step__number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-gold);
    transition: var(--transition);
}

.step:hover .step__number {
    transform: scale(1.1) rotate(360deg);
}

.step__title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-white);
}

.step__text {
    color: var(--color-gray);
    line-height: 1.6;
}

/* ==========================================
   PRICING SECTION
   ========================================== */

.pricing {
    position: relative;
}

.pricing__wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pricing-card {
    max-width: 450px;
    width: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(10, 10, 10, 0.95));
    border: 2px solid var(--color-gold);
    border-radius: 1.5rem;
    padding: 3rem 2.5rem;
    position: relative;
    box-shadow: var(--shadow-premium), var(--shadow-gold);
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(255, 215, 0, 0.4);
}

.pricing-card__badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
}

.pricing-card__header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.pricing-card__title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.pricing-card__trial {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    margin: 0 auto 1.5rem;
    display: inline-block;
    box-shadow: var(--shadow-gold);
    animation: pulse 2s ease-in-out infinite;
}

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

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.pricing-card__currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-gold);
}

.pricing-card__amount {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-card__period {
    font-size: 1.2rem;
    color: var(--color-gray);
}

.pricing-card__note {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.pricing-card__feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.pricing-card__feature:last-child {
    border-bottom: none;
}

.feature__icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-gold);
    color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.feature__text {
    color: var(--color-gray-light);
    font-size: 1rem;
    text-align: left;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.faq {
    background: linear-gradient(180deg, transparent, rgba(255, 215, 0, 0.02));
}

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

.faq-item {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.15);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.faq-item:hover {
    border-color: var(--color-gold);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.15);
}

.faq-item[open] {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.faq-item__question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    user-select: none;
}

.faq-item__question:hover {
    color: var(--color-gold);
}

.faq-item__icon {
    font-size: 1.5rem;
    color: var(--color-gold);
    transition: var(--transition);
    font-weight: 300;
}

.faq-item[open] .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    padding: 0 2rem 1.5rem;
    color: var(--color-gray-light);
    line-height: 1.8;
}

.faq-item__answer p {
    margin-bottom: 1rem;
}

.faq-item__answer ul {
    list-style: none;
    padding-left: 0;
}

.faq-item__answer li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.faq-item__answer li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    padding: 6rem 0;
}

.cta-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(218, 165, 32, 0.05));
    border: 2px solid var(--color-gold);
    border-radius: 1.5rem;
    padding: 4rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-premium), var(--shadow-gold);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cta-box__title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.cta-box__text {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-box .btn {
    position: relative;
    z-index: 1;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: var(--color-darker);
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    padding: 3rem 0 2rem;
    position: relative;
    z-index: 2;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__tagline {
    color: var(--color-gold);
    font-size: 0.9rem;
    font-weight: 500;
}

.footer__links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer__link {
    color: var(--color-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer__link:hover {
    color: var(--color-gold);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer__copyright {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__stats {
        gap: 2rem;
    }
    
    .stat-item__number {
        font-size: 2.5rem;
    }
    
    .features__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .steps {
        flex-direction: column;
        gap: 2rem;
    }
    
    .step {
        max-width: 100%;
    }
    
    .pricing-card {
        padding: 2.5rem 2rem;
    }
    
    .pricing-card__amount {
        font-size: 3.5rem;
    }
    
    .cta-box {
        padding: 3rem 2rem;
    }
    
    .cta-box__title {
        font-size: 2rem;
    }
    
    .footer__content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__links {
        justify-content: center;
    }
    
    .btn--large {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero__container {
        padding: 0 1rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
}