/* CalZen Website Styles - Extracted from App Theme */
/* Dark theme with yellow-orange primary, cyan/purple accents */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
    --color-primary: #FFD400;
    --color-primary-end: #FF9F00;
    --color-cyan: #00C2FF;
    --color-light-cyan: #00E5FF;
    --color-purple: #6A00FF;
    --color-magenta: #FF2FB3;
    --color-error: #EF0D00;
    --color-bg: #0A0A0F;
    --color-surface: #111827;
    --color-surface-medium: #26263A;
    --color-border: #2F2F45;
    --color-list-item: #141420;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B6B6D2;
    --color-text-muted: #6B6B8A;
    --border-radius: 15px;
    --border-radius-lg: 22px;
    --border-radius-sm: 10px;
    --font-family: 'Montserrat', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-weight: 800;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all 0.3s ease;
    display: block;
}
.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .nav-hamburger {
        display: flex;
    }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: var(--color-surface);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 24px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--color-border);
    }
    .nav-links.open {
        right: 0;
    }
    .nav-links a {
        font-size: 1.05rem;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 24px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 212, 0, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 194, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
    width: 100%;
}

.hero-content {
    flex: 1;
    min-width: 0;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--color-primary);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-device {
    flex-shrink: 0;
    position: relative;
    width: 280px;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-end));
    color: #0A0A0F;
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    line-height: 1.2;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 212, 0, 0.25);
    color: #0A0A0F;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--color-surface-medium);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    line-height: 1.2;
}
.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    transform: translateY(-2px);
}

/* ===== DEVICE MOCKUP ===== */
.device-mockup {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
}

.device-frame {
    position: relative;
    padding: 12px;
    background: linear-gradient(145deg, #1a1a2e, #0f0f1a);
    border-radius: 32px;
    border: 2px solid var(--color-border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 212, 0, 0.05);
}

.device-frame img {
    width: 100%;
    border-radius: 22px;
    display: block;
}

.device-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: #000;
    border-radius: 10px;
    z-index: 2;
}

/* ===== SECTIONS ===== */
.section {
    padding: 80px 24px;
    position: relative;
}

.section-alt {
    background: var(--color-surface);
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-cyan);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--color-list-item);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 32px 28px;
    transition: all 0.3s ease;
    text-align: left;
}
.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.feature-icon.yellow { background: rgba(255, 212, 0, 0.12); }
.feature-icon.cyan { background: rgba(0, 194, 255, 0.12); }
.feature-icon.purple { background: rgba(106, 0, 255, 0.12); }
.feature-icon.magenta { background: rgba(255, 47, 179, 0.12); }
.feature-icon.orange { background: rgba(255, 159, 0, 0.12); }
.feature-icon.green { background: rgba(0, 230, 118, 0.12); }

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== SCREENSHOT CAROUSEL ===== */
.screenshot-section {
    padding: 80px 24px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    height: 380px;
}

.carousel-track {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    transition: all 0.5s ease;
    opacity: 0;
    transform: scale(0.85);
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.carousel-slide .device-mockup {
    max-width: 200px;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-surface-medium);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}
.carousel-dot.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(255, 212, 0, 0.4);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-surface-medium);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 5;
}
.carousel-arrow:hover {
    background: var(--color-primary);
    color: #0A0A0F;
    border-color: var(--color-primary);
}
.carousel-arrow.prev { left: 0; }
.carousel-arrow.next { right: 0; }

@media (max-width: 768px) {
    .carousel-container {
        height: 300px;
    }
    .carousel-slide .device-mockup {
        max-width: 160px;
    }
    .carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* ===== LIGHTBOX ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.lightbox.open {
    display: flex;
}
.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    line-height: 1;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    padding: 80px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 212, 0, 0.06), rgba(0, 194, 255, 0.04));
    pointer-events: none;
}

.cta-banner h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-banner p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary {
    position: relative;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 48px 24px 24px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-brand {
    font-weight: 800;
    font-size: 1.15rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.footer-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}
.footer-links a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    max-width: 1100px;
    margin: 32px auto 0;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

/* ===== PAGE CONTENT (Privacy, Terms, Contact) ===== */
.page-header {
    padding: 120px 24px 48px;
    text-align: center;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.page-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--color-primary);
}

.page-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 28px 0 12px;
}

.page-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
    text-align: left;
}

.page-content ul, .page-content ol {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0 0 16px 20px;
    text-align: left;
}

.page-content li {
    margin-bottom: 8px;
}

.page-content a {
    color: var(--color-cyan);
}

/* ===== CONTACT FORM ===== */
.contact-card {
    max-width: 640px;
    margin: 0 auto;
    background: var(--color-list-item);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 212, 0, 0.1);
}

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

.form-group input[type="file"] {
    padding: 10px 16px;
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
    background: var(--color-surface-medium);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 6px 14px;
    font-family: var(--font-family);
    font-size: 0.85rem;
    cursor: pointer;
    margin-right: 12px;
    transition: all 0.3s ease;
}
.form-group input[type="file"]::file-selector-button:hover {
    background: var(--color-primary);
    color: #0A0A0F;
    border-color: var(--color-primary);
}

.form-submit {
    text-align: center;
    margin-top: 8px;
}

.form-message {
    text-align: center;
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    display: none;
}
.form-message.success {
    display: block;
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: #00E676;
}

/* ===== PRIVACY ACCEPT BUTTON ===== */
.privacy-accept-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9990;
    padding: 16px 24px 24px;
    background: linear-gradient(to top, var(--color-bg) 60%, transparent);
    display: flex;
    justify-content: center;
}
.privacy-accept-btn.hidden {
    display: none;
}
.accept-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-end));
    color: #0A0A0F;
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    line-height: 1.2;
    min-width: 200px;
}
.accept-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 212, 0, 0.3);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-inner {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-device {
        width: 220px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .contact-card {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
    }
    .section {
        padding: 60px 16px;
    }
    .screenshot-section {
        padding: 60px 16px;
    }
}

@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: auto;
        padding: 80px 24px 40px;
    }
    .carousel-container {
        height: 250px;
    }
    .carousel-slide .device-mockup {
        max-width: 130px;
    }
}