/* ===== CSS Variables - Light Theme ===== */
:root {
    --primary: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #64B5F6;
    --accent: #00D4FF;
    --bg-main: #f8f9fc;
    --bg-cream: #ffffff;
    --bg-section: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.95);
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a7a;
    --text-muted: #8a8aa3;
    --shadow-soft: 0 4px 24px rgba(33, 150, 243, 0.08);
    --shadow-medium: 0 8px 40px rgba(33, 150, 243, 0.12);
    --shadow-glow: 0 0 60px rgba(33, 150, 243, 0.15);
    --border-light: rgba(33, 150, 243, 0.1);
    --border-radius: 18px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 65vh;
    position: relative;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #ffffff 0%, #e8f4fd 100%);
    overflow: hidden;
}

/* iOS-style animated gradient orbs */
.hero::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.12) 0%, transparent 60%);
    border-radius: 50%;
    animation: pulse-orb 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(100, 181, 246, 0.1) 0%, transparent 60%);
    border-radius: 50%;
    animation: pulse-orb 10s ease-in-out infinite reverse;
}

@keyframes pulse-orb {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
}

/* Floating iOS-style shapes */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 18%;
    left: 10%;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2) 0%, rgba(33, 150, 243, 0.05) 100%);
    border-radius: 20px;
    animation: float-ios 7s ease-in-out infinite;
    backdrop-filter: blur(10px);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 30%;
    right: 15%;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, rgba(100, 181, 246, 0.25) 0%, rgba(100, 181, 246, 0.05) 100%);
    border-radius: 50%;
    animation: float-ios 9s ease-in-out infinite reverse;
}

@keyframes float-ios {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(5deg); }
    66% { transform: translateY(8px) rotate(-3deg); }
}

/* Extra floating element */
.hero-bg .orb {
    position: absolute;
    bottom: 25%;
    left: 20%;
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.15) 0%, transparent 100%);
    border-radius: 12px;
    animation: float-ios 11s ease-in-out infinite;
}

/* ===== Navbar ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo img {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
    background: var(--primary-dark);
}

/* ===== Hero Content ===== */
.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 90px 20px 30px;
    position: relative;
    z-index: 10;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

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

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    color: var(--text-secondary);
    max-width: 420px;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* ===== Store Buttons ===== */
.store-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.store-btn {
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
}

.store-btn img {
    height: 44px;
    border-radius: 8px;
}

.store-btn:hover {
    transform: scale(1.05);
}

/* ===== Coming Soon Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 46, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    max-width: 340px;
    margin: 20px;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.modal-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.modal-close {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}

.modal-close:hover {
    transform: scale(1.05);
    background: var(--primary-dark);
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: 30px 0 50px;
    overflow: hidden;
    background: linear-gradient(180deg, transparent 0%, var(--bg-section) 20%, var(--bg-section) 80%, transparent 100%);
}

.section-title {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.screenshots-carousel {
    margin-top: 12px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.carousel-track {
    display: flex;
    gap: 16px;
    animation: scroll 35s linear infinite;
    width: max-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.screenshot-item {
    flex-shrink: 0;
}

.screenshot-item img {
    width: 200px;
    height: auto;
    border-radius: 18px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.screenshot-item:hover img {
    transform: scale(1.03) translateY(-4px);
    box-shadow: 0 16px 48px rgba(33, 150, 243, 0.2);
}

/* ===== Features Section ===== */
.features {
    padding: 50px 0;
    background: var(--bg-cream);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.03) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    position: relative;
    z-index: 1;
}

.feature-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 22px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
    border-color: transparent;
}

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

.feature-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ===== Reviews Section ===== */
.reviews {
    padding: 50px 0;
    background: var(--bg-section);
    overflow: hidden;
}

.reviews-carousel {
    margin-top: 28px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.reviews-track {
    display: flex;
    gap: 20px;
    animation: scroll-reviews 40s linear infinite;
    width: max-content;
}

.reviews-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-reviews {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.review-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    flex-shrink: 0;
    width: 320px;
}

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

.review-stars {
    color: #FFB800;
    font-size: 1.1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.review-text {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

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

/* ===== Product Hunt Section ===== */
.product-hunt {
    padding: 50px 0;
    background: var(--bg-cream);
    text-align: center;
}

.ph-embed {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

/* ===== CTA Section ===== */
.cta {
    padding: 60px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #f0f8ff 50%, #e8f5e9 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(1.4rem, 3.5vw, 1.9rem);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 22px;
}

.cta .store-buttons {
    justify-content: center;
}

.cta .store-btn img {
    height: 48px;
}

/* ===== Footer ===== */
.footer {
    padding: 24px 0;
    background: var(--bg-cream);
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-brand img {
    width: 24px;
    height: 24px;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin: 8px 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

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

.footer-links span {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* ===== Contact Form Modal ===== */
.contact-modal {
    max-width: 400px;
    text-align: left;
}

.contact-modal h3 {
    text-align: center;
}

.contact-modal > p {
    text-align: center;
}

.modal-close-x {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-main);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-alt {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0 !important;
}

.contact-alt a {
    color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 14px 16px;
    }
    
    .nav-links {
        display: none;
    }
    
    .logo span {
        display: none;
    }
    
    .hero-content {
        padding: 80px 16px 24px;
    }
    
    .store-btn img {
        height: 40px;
    }
    
    .features, .reviews {
        padding: 40px 0;
    }
    
    .section-subtitle {
        margin-bottom: 20px;
    }
    
    .feature-card, .review-card {
        padding: 18px;
    }
    
    .screenshot-item img {
        width: 160px;
    }
    
    .cta {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .store-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .store-btn img {
        height: 44px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}