/* VPN 111 Custom Styles */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* ===== HEADER ===== */
.site-header {
    background: rgba(0, 61, 207, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.12);
    transition: padding 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
    padding: 0.625rem 0;
    background: rgba(0, 61, 207, 0.99);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.18);
}

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

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
}

.header-logo img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.header-logo span {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.3px;
}

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

.nav-desktop a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.375rem 0;
    position: relative;
    transition: color 0.2s ease;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: width 0.25s ease;
}

.nav-desktop a:hover,
.nav-desktop a.active {
    color: #fff;
}

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

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 110;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 30, 100, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 105;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.nav-mobile.active {
    opacity: 1;
    pointer-events: auto;
}

.nav-mobile a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.5rem;
    transition: opacity 0.2s ease;
}

.nav-mobile a:hover {
    opacity: 0.8;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, #003DCF 0%, #0055FF 50%, #0066FF 100%);
    color: white;
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
    pointer-events: none;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-logo {
    max-width: 100px;
    margin: 0 auto 32px;
    display: block;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.2));
    border-radius: 22px;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0 0 16px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-section h2 {
    font-size: 1.75rem;
    font-weight: 400;
    margin: 0 0 24px;
    line-height: 1.3;
    opacity: 0.95;
}

.hero-desc {
    font-size: 1.125rem;
    margin: 0 auto 48px;
    max-width: 720px;
    line-height: 1.7;
    opacity: 0.92;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 64px;
}

.store-badge-link {
    display: inline-flex;
    align-items: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), filter 0.3s ease;
    line-height: 0;
}

.store-badge-link:hover {
    transform: translateY(-3px);
    filter: brightness(1.05);
}

.store-badge-link img {
    height: 52px;
    width: auto;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

.hero-visual img {
    width: 100%;
    max-width: 880px;
    border-radius: 24px;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* ===== SECTION COMMON ===== */
.section {
    padding: 100px 0;
}

.section--gray {
    background: #F8F9FA;
}

.section--white {
    background: #fff;
}

.section--blue-light {
    background: #F0F4FF;
}

.section--blue-gradient {
    background: linear-gradient(135deg, #003DCF, #0055FF);
    color: white;
}

.section--dark {
    background: #0a0a0a;
    color: white;
}

.section-title {
    font-size: 2.75rem;
    text-align: center;
    margin: 0 0 24px;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.5px;
    line-height: 1.15;
}

.section--blue-gradient .section-title,
.section--dark .section-title {
    color: white;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: #5a6577;
    max-width: 680px;
    margin: 0 auto 56px;
    text-align: center;
    line-height: 1.7;
}

.section--blue-gradient .section-subtitle {
    color: rgba(255, 255, 255, 0.92);
}

.section-title--mb-lg {
    margin-bottom: 56px;
}

/* ===== WHY USE SECTION ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.feature-card {
    background: white;
    padding: 44px 28px 40px;
    border-radius: 20px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 61, 207, 0.12);
}

.feature-icon {
    font-size: 3.25rem;
    margin: 0 0 20px;
    line-height: 1;
    display: block;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin: 0 0 12px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
}

.feature-card p {
    font-size: 0.9375rem;
    color: #596575;
    line-height: 1.65;
    margin: 0;
}

/* ===== FEATURES GALLERY ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.03);
}

/* ===== SCREENSHOTS ===== */
.screenshots-flex {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.screenshot-img {
    width: 280px;
    max-width: 100%;
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.screenshot-img:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
}

/* ===== BORDERLESS SECTION ===== */
.borderless-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.borderless-card {
    padding: 40px 32px;
    background: white;
    border-radius: 20px;
    border: 1px solid rgba(0, 61, 207, 0.08);
    text-align: center;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease, border-color 0.35s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.borderless-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 61, 207, 0.1);
    border-color: rgba(0, 61, 207, 0.2);
}

.borderless-card strong {
    display: block;
    font-size: 1.25rem;
    color: #003DCF;
    margin: 0 0 12px;
    font-weight: 700;
    line-height: 1.3;
}

.borderless-card p {
    color: #596575;
    line-height: 1.65;
    margin: 0;
    font-size: 0.9375rem;
}

/* ===== SUPERCHARGED SECTION ===== */
.supercharged-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 48px;
    align-items: stretch;
}

.supercharged-item {
    min-width: 200px;
    text-align: center;
    padding: 32px 24px;
    border-radius: 16px;
    background: rgba(0, 61, 207, 0.04);
    border: 1px solid rgba(0, 61, 207, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 1;
    max-width: 280px;
}

.supercharged-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 61, 207, 0.08);
}

.supercharged-icon {
    width: 56px;
    height: 56px;
    background: #003DCF;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
    color: white;
}

.supercharged-item span {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: #003DCF;
    line-height: 1.3;
}

/* ===== DOWNLOAD CTA ===== */
.download-cta .section-subtitle {
    margin-bottom: 16px;
    opacity: 0.95;
}

.download-cta .section-title {
    margin-bottom: 48px;
}

.download-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

/* ===== HOW IT WORKS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    position: relative;
}

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

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #003DCF, #0055FF);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 8px 28px rgba(0, 61, 207, 0.25);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.step-item:hover .step-number {
    transform: scale(1.08);
    box-shadow: 0 12px 36px rgba(0, 61, 207, 0.3);
}

.step-item h3 {
    font-size: 1.25rem;
    margin: 0 0 12px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
}

.step-item p {
    font-size: 0.9375rem;
    color: #596575;
    margin: 0;
    line-height: 1.65;
}

/* ===== FOOTER ===== */
.site-footer {
    background: #0a0a0a;
    color: white;
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin: 0 0 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: #a0a0a0;
    line-height: 1.7;
    margin: 0 0 12px;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.0625rem;
    margin: 0 0 20px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: #fff;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #a0a0a0;
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact p {
    font-size: 0.9375rem;
    color: #a0a0a0;
    line-height: 1.8;
    margin: 0;
}

.footer-contact a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-contact a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: #666;
    margin: 0;
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-desktop {
        display: none;
    }

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

    .hero-section {
        padding: 120px 0 72px;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section h2 {
        font-size: 1.375rem;
    }

    .hero-desc {
        font-size: 1rem;
        margin-bottom: 36px;
    }

    .hero-buttons {
        gap: 16px;
        margin-bottom: 48px;
    }

    .store-badge-link img {
        height: 44px;
    }

    .section {
        padding: 72px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .section-title--mb-lg {
        margin-bottom: 40px;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .features-grid,
    .borderless-grid,
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .screenshots-flex {
        gap: 24px;
    }

    .screenshot-img {
        width: 240px;
    }

    .supercharged-grid {
        gap: 16px;
    }

    .supercharged-item {
        min-width: 140px;
    }

    .steps-grid {
        gap: 32px;
    }

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

    .site-footer {
        padding: 60px 0 24px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 100px 0 60px;
    }

    .hero-section h1 {
        font-size: 2.25rem;
    }

    .hero-section h2 {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

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

    .supercharged-item {
        max-width: 100%;
        width: 100%;
    }
}
