/* ============================================
   WINK VPN — Neomorphic Design System
   Beyond Boundaries, Beyond Beautiful
   ============================================ */

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

:root {
    /* Neomorphic palette — pulled straight from the app vibes */
    --bg: #e4e9f0;
    --bg-light: #f0f4f8;
    --bg-dark: #d1d9e6;
    --text-primary: #1a1f36;
    --text-secondary: #5a6380;
    --text-muted: #8892a8;
    --accent: #4a6cf7;
    --accent-hover: #3b5de7;
    --accent-glow: rgba(74, 108, 247, 0.3);
    --gold: #f5a623;
    --gold-glow: rgba(245, 166, 35, 0.3);
    --success: #2ecc71;
    --danger: #e74c3c;
    --white: #ffffff;
    --shadow-light: #f5f9ff;
    --shadow-dark: #c8cfd8;

    /* Neomorphic shadows */
    --neo-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
    --neo-shadow-sm: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
    --neo-shadow-lg: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light);
    --neo-inset: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    --neo-inset-sm: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    /* Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-full: 50px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-hover);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: 900px;
}

main > section,
.hero {
    padding: var(--space-xl) 0;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(228, 233, 240, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.navbar__logo img {
    height: 40px;
    width: auto;
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
}

.navbar__links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.navbar__links a:hover,
.navbar__links a.active {
    color: var(--accent);
    background: rgba(74, 108, 247, 0.08);
}

.navbar__cta {
    background: var(--accent) !important;
    color: var(--white) !important;
    padding: 0.6rem 1.4rem !important;
    border-radius: var(--radius-full) !important;
    box-shadow: 0 4px 15px var(--accent-glow);
    font-weight: 600 !important;
}

.navbar__cta:hover {
    background: var(--accent-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

/* Mobile menu toggle */
.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.navbar__toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.navbar__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Neomorphic Components --- */
.neo-card {
    background: var(--bg);
    border-radius: var(--radius-md);
    box-shadow: var(--neo-shadow);
    padding: var(--space-lg);
    transition: all 0.3s ease;
}

.neo-card:hover {
    box-shadow: var(--neo-shadow-lg);
    transform: translateY(-4px);
}

.neo-card--flat {
    box-shadow: var(--neo-shadow-sm);
}

.neo-card--flat:hover {
    box-shadow: var(--neo-shadow);
    transform: translateY(-2px);
}

.neo-card--inset {
    box-shadow: var(--neo-inset);
}

.neo-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.85rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: inherit;
}

.neo-btn--primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 15px var(--accent-glow), var(--neo-shadow-sm);
}

.neo-btn--primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.neo-btn--outline {
    background: var(--bg);
    color: var(--accent);
    box-shadow: var(--neo-shadow-sm);
}

.neo-btn--outline:hover {
    color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--neo-shadow);
}

.neo-btn--gold {
    background: var(--gold);
    color: var(--white);
    box-shadow: 0 4px 15px var(--gold-glow), var(--neo-shadow-sm);
}

.neo-btn--gold:hover {
    background: #e69a1e;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--gold-glow);
}

.neo-btn--danger {
    background: var(--danger);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3), var(--neo-shadow-sm);
}

.neo-btn--danger:hover {
    background: #c0392b;
    color: var(--white);
    transform: translateY(-3px);
}

/* --- Badge --- */
.neo-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.35rem 1rem;
    background: var(--bg);
    border-radius: var(--radius-full);
    box-shadow: var(--neo-shadow-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero__content {
    position: relative;
    z-index: 1;
}

.hero__tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero__title {
    margin-bottom: var(--space-md);
}

.hero__title span {
    color: var(--accent);
}

.hero__desc {
    font-size: 1.15rem;
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.hero__actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero__phone {
    position: relative;
    width: 280px;
}

.hero__phone img {
    width: 100%;
    border-radius: 32px;
    box-shadow: var(--neo-shadow-lg);
}

.hero__phone::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 42px;
    background: radial-gradient(circle at 30% 30%, var(--accent-glow), transparent 60%);
    z-index: -1;
    opacity: 0.5;
}

/* --- Features Section --- */
.features {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header p {
    max-width: 600px;
    margin: var(--space-sm) auto 0;
    font-size: 1.05rem;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    text-align: center;
    padding: var(--space-lg);
}

.feature-card__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: var(--neo-shadow-sm);
    font-size: 1.8rem;
}

.feature-card__title {
    margin-bottom: var(--space-xs);
}

/* --- Screenshots Carousel --- */
.screenshots {
    padding: var(--space-xl) 0;
    overflow: hidden;
}

.screenshots__track {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 240px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--neo-shadow);
    transition: all 0.4s ease;
}

.screenshot-item:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: var(--neo-shadow-lg);
}

.screenshot-item img {
    width: 100%;
    display: block;
}

/* --- Stats Section --- */
.stats {
    padding: var(--space-xl) 0;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    text-align: center;
}

.stat-item {
    padding: var(--space-lg);
}

.stat-item__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-item__label {
    color: var(--text-muted);
    font-weight: 500;
}

/* --- CTA Section --- */
.cta-section {
    padding: var(--space-xl) 0;
    text-align: center;
}

.cta-box {
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-box h2 {
    margin-bottom: var(--space-sm);
    position: relative;
}

.cta-box p {
    margin-bottom: var(--space-lg);
    position: relative;
}

.cta-box .neo-btn {
    position: relative;
}

/* --- Footer --- */
.footer {
    padding: var(--space-lg) 0;
    text-align: center;
    border-top: 1px solid var(--shadow-dark);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    list-style: none;
    margin-bottom: var(--space-md);
}

.footer__links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.footer__links a:hover {
    color: var(--accent);
}

.footer__copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===========================
   POLICY / LEGAL PAGES
   =========================== */
.page-header {
    padding: calc(80px + var(--space-xl)) 0 var(--space-lg);
    text-align: center;
}

.page-header p {
    max-width: 600px;
    margin: var(--space-sm) auto 0;
}

.legal-content {
    padding: 0 0 var(--space-xl);
}

.legal-content .neo-card {
    margin-bottom: var(--space-lg);
}

.legal-content h2 {
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.legal-content h3 {
    margin: var(--space-md) 0 var(--space-xs);
    color: var(--accent);
}

.legal-content h4 {
    margin: var(--space-sm) 0 var(--space-xs);
}

.legal-content ul,
.legal-content ol {
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
}

.legal-content li {
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
}

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

/* Info boxes */
.info-box {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin: var(--space-sm) 0;
}

.info-box--blue {
    background: rgba(74, 108, 247, 0.08);
    border-left: 4px solid var(--accent);
}

.info-box--green {
    background: rgba(46, 204, 113, 0.08);
    border-left: 4px solid var(--success);
}

.info-box--red {
    background: rgba(231, 76, 60, 0.08);
    border-left: 4px solid var(--danger);
}

.info-box--gold {
    background: rgba(245, 166, 35, 0.08);
    border-left: 4px solid var(--gold);
}

/* Table of contents */
.toc {
    margin-bottom: var(--space-lg);
}

.toc__list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xs);
}

.toc__list li {
    margin: 0;
}

.toc__list a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.toc__list a:hover {
    background: rgba(74, 108, 247, 0.06);
    color: var(--accent);
    padding-left: var(--space-md);
}

.toc__list .toc-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ===========================
   DATA DELETION PAGE
   =========================== */
.deletion-steps {
    counter-reset: step-counter;
}

.deletion-step {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    align-items: flex-start;
}

.deletion-step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.deletion-step__content h4 {
    margin-bottom: 4px;
}

.deletion-step__content p {
    margin: 0;
}

/* Deletion form */
.deletion-form {
    margin-top: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem var(--space-sm);
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg);
    box-shadow: var(--neo-inset-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    box-shadow: var(--neo-inset), 0 0 0 2px var(--accent-glow);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

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

/* Checkbox */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.form-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--accent);
}

.form-check label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Success/error messages */
.form-message {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin-top: var(--space-sm);
    display: none;
}

.form-message--success {
    background: rgba(46, 204, 113, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-message--error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

/* ===========================
   ANIMATIONS
   Only active on landing page (.homepage on body).
   Legal/policy pages have ZERO hidden content.
   =========================== */
body.homepage .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

body.homepage .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 992px) {
    .hero__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .hero__phone {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .navbar__links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: var(--bg);
        padding: 80px var(--space-lg) var(--space-lg);
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        gap: var(--space-xs);
    }

    .navbar__links.open {
        right: 0;
    }

    .navbar__links a {
        font-size: 1.1rem;
        padding: var(--space-sm);
    }

    .navbar__toggle {
        display: flex;
    }

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

    .screenshot-item {
        width: 200px;
    }

    .deletion-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html { font-size: 14px; }

    .neo-card {
        padding: var(--space-md);
    }

    .hero__phone {
        width: 180px;
    }

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

    .screenshots__track {
        gap: var(--space-sm);
    }

    .screenshot-item {
        width: 160px;
    }
}