/* Custom CSS variables for design consistency */
:root {
    --bg-main: #0a0910;
    --bg-card: rgba(22, 20, 35, 0.6);
    --bg-card-hover: rgba(30, 27, 48, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a39fb8;
    --color-primary: #ff1b2d;
    --color-primary-glow: rgba(255, 27, 45, 0.4);
    --color-accent: #ff6a00;
    --color-success: #00ff87;
    --grad-primary: linear-gradient(135deg, #ff1b2d 0%, #ff6a00 100%);
    --grad-hover: linear-gradient(135deg, #ff3d4c 0%, #ff852e 100%);
    --grad-dark: linear-gradient(180deg, #121020 0%, #0a0910 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --max-width: 1200px;
    --font-sans: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    background-image: var(--grad-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Background Blobs */
.blob {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.2;
    pointer-events: none;
}

.blob-1 {
    top: -10%;
    right: -10%;
    background: var(--color-accent);
}

.blob-2 {
    top: 40%;
    left: -15%;
    background: var(--color-primary);
}

/* Header */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 9, 16, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--color-primary);
    font-weight: 400;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-left: 2rem;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
}

.badge {
    align-self: flex-start;
    background: rgba(255, 27, 45, 0.12);
    border: 1px solid rgba(255, 27, 45, 0.3);
    color: #ff5260;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
}

.hero-content h1 span {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

/* CTA Styles */
.cta-box {
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--grad-primary);
    color: var(--text-primary);
    padding: 1.1rem 2.2rem;
    font-size: 1.1rem;
    box-shadow: 0 8px 30px var(--color-primary-glow);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 80%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.btn-primary:hover {
    background: var(--grad-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 27, 45, 0.6);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.25rem;
}

.cta-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    font-weight: 500;
}

/* Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 35px;
    background: var(--border-color);
}

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

.browser-mockup {
    width: 100%;
    max-width: 480px;
    background: rgba(20, 18, 32, 0.7);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(255, 27, 45, 0.1);
    backdrop-filter: blur(20px);
    transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
    transition: var(--transition);
}

.browser-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-5px);
    border-color: var(--border-hover);
}

.mockup-header {
    background: rgba(10, 9, 16, 0.5);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.address-bar {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 0.25rem 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-body {
    display: flex;
    height: 280px;
}

.sidebar-preview {
    width: 45px;
    background: rgba(10, 9, 16, 0.3);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    gap: 1.25rem;
}

.sidebar-icon {
    font-size: 1.1rem;
    opacity: 0.6;
    cursor: pointer;
    transition: var(--transition);
}

.sidebar-icon.active, .sidebar-icon:hover {
    opacity: 1;
    color: var(--color-primary);
}

.sidebar-icon svg {
    width: 18px;
    height: 18px;
}

.main-preview {
    flex-grow: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    background: radial-gradient(circle at center, rgba(255, 27, 45, 0.08) 0%, transparent 70%);
}

.preview-vpn-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 255, 135, 0.1);
    border: 1px solid rgba(0, 255, 135, 0.3);
    color: var(--color-success);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.vpn-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-success);
    border-radius: 50%;
    animation: pulse-green 1.5s infinite;
}

.preview-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.8rem;
    box-shadow: 0 0 20px var(--color-primary-glow);
    margin-bottom: 1rem;
}

.main-preview h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.main-preview p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 240px;
}

/* Features Section */
.features {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

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

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--grad-primary);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 27, 45, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Social Proof (Testimonials) */
.social-proof {
    padding: 5rem 0;
    background: rgba(10, 9, 16, 0.4);
    border-top: 1px solid var(--border-color);
}

.social-proof-wrapper h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 3rem;
}

.testimonials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: var(--text-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.author-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.author-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    text-align: left;
    padding: 0.5rem 0;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    color: var(--text-secondary);
    padding-top: 1rem;
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

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

/* Bottom CTA */
.bottom-cta {
    padding: 6rem 0;
}

.bottom-cta-card {
    background: radial-gradient(circle at 80% 20%, rgba(255, 27, 45, 0.15) 0%, transparent 60%), var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.bottom-cta-card h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.bottom-cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* Footer */
.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    background: rgba(10, 9, 16, 0.6);
}

/* Animations */
@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(0, 255, 135, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 255, 135, 0);
    }
}

/* Responsive Adaptations */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .badge {
        align-self: center;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .browser-mockup {
        transform: none;
    }

    .browser-mockup:hover {
        transform: translateY(-5px);
    }

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

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .btn-primary {
        width: 100%;
        padding: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.25rem;
    }

    .stat-divider {
        display: none;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .bottom-cta-card h2 {
        font-size: 2rem;
    }
}

/* Extension Notice */
.extension-notice {
    display: flex;
    gap: 1rem;
    background: rgba(255, 106, 0, 0.08);
    border: 1px solid rgba(255, 106, 0, 0.25);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 2rem;
    align-items: flex-start;
    box-shadow: 0 4px 15px rgba(255, 106, 0, 0.05);
    text-align: left;
}

.notice-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.notice-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.notice-text strong {
    color: var(--text-primary);
}

/* Modal Window */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(6, 5, 10, 0.8);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

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

.modal-content {
    background: rgba(20, 18, 32, 0.95);
    border: 1px solid var(--border-hover);
    border-radius: 20px;
    width: 90%;
    max-width: 650px;
    max-height: 85vh;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modal-appear 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes modal-appear {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: left;
}

.modal-body h3 {
    color: var(--text-primary);
    margin: 1.5rem 0 0.5rem;
    font-size: 1.15rem;
}

.modal-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

/* Footer & Navigation Privacy Link */
.footer a, .nav-links a#privacy-link-nav {
    color: var(--text-secondary);
    text-decoration: underline;
    transition: var(--transition);
}

.footer a:hover, .nav-links a#privacy-link-nav:hover {
    color: var(--text-primary);
}