:root {
    --bg: #F5F5F7;
    --bg-surface: #FFFFFF;
    --card: #C1CAD2;
    --card-alt: #B4BEC8;
    --accent: #EF233C;
    --accent-dim: #D91E36;
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --success: #10B981;
    --border: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 800;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.highlight { color: var(--accent); }
.text-accent { color: var(--accent); }

/* Buttons */
.btn-primary-sm {
    background-color: var(--accent);
    color: #fff;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-block;
}
.btn-primary-sm:hover {
    background-color: var(--accent-dim);
    transform: translateY(-2px);
    color: #fff;
}

.btn-store {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--text-primary);
    color: #fff;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
}
.btn-store i { font-size: 1.5rem; }
.btn-store:hover:not(.disabled) {
    background-color: #000;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: #fff;
}
.btn-store.disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background-color: var(--text-secondary);
    pointer-events: none;
}

.btn-store-light {
    background-color: #fff;
    color: var(--text-primary);
}
.btn-store-light.disabled {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.25rem 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo i { color: var(--accent); }
.logo-img { height: 40px; width: auto; object-fit: contain; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a:not(.btn-primary-sm) {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.nav-links a:not(.btn-primary-sm):hover {
    color: var(--accent);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding-top: 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background-color: rgba(239, 35, 60, 0.1);
    color: var(--accent);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-num {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

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

.blob {
    position: absolute;
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, var(--accent) 0%, #ff6b6b 100%);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    animation: morph 8s ease-in-out infinite;
    z-index: -1;
    opacity: 0.15;
    filter: blur(30px);
}

@keyframes morph {
    0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    34% { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
    67% { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
}

.mockup-img {
    width: 100%;
    max-width: 320px;
    border-radius: 40px;
    box-shadow: var(--shadow-lg);
    transform: rotate(-5deg);
    transition: var(--transition);
    border: 8px solid #fff;
}
.mockup-img:hover {
    transform: rotate(0) scale(1.03);
}

/* Sections */
.section { padding: 6rem 0; }
.bg-light { background-color: var(--bg-surface); }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 4rem auto; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-surface);
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
    width: 60px; height: 60px;
    background-color: rgba(239, 35, 60, 0.1);
    color: var(--accent);
    display: flex; justify-content: center; align-items: center;
    font-size: 1.75rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
}

/* Showcase */
.showcase-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.showcase-list { margin-top: 2rem; }
.showcase-list li {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.showcase-list li i {
    background-color: rgba(239, 35, 60, 0.1);
    padding: 6px;
    border-radius: 50%;
    font-size: 0.8rem;
}

.showcase-images {
    position: relative;
    height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.showcase-img {
    position: absolute;
    border-radius: 32px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 6px solid #fff;
}

.showcase-img-1 {
    width: 260px;
    top: 20px;
    right: 30px;
    z-index: 2;
}

.showcase-img-2 {
    width: 240px;
    bottom: 20px;
    left: 30px;
    z-index: 1;
}

.showcase-images:hover .showcase-img-1 { transform: translateY(-15px) scale(1.02); }
.showcase-images:hover .showcase-img-2 { transform: translateY(15px) scale(1.02); }

/* CTA */
.cta-container {
    background: linear-gradient(135deg, var(--accent) 0%, #ff6b6b 100%);
    border-radius: 32px;
    padding: 5rem 2rem;
    text-align: center;
    color: #fff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-container::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    filter: blur(40px);
}

.cta-content { position: relative; z-index: 1; }
.cta-content h2 { color: #fff; }
.cta-content p { color: rgba(255, 255, 255, 0.9); font-size: 1.1rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; margin-top: 2.5rem; flex-wrap: wrap; }

/* Footer */
.footer {
    background-color: var(--bg-surface);
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    max-width: 300px;
    margin-top: 1rem;
}

.social-links { display: flex; gap: 1rem; margin-top: 1.5rem; }
.social-links a {
    width: 40px; height: 40px;
    background-color: var(--bg);
    display: flex; justify-content: center; align-items: center;
    border-radius: 50%;
    color: var(--text-primary);
}
.social-links a:hover {
    background-color: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}

.footer-links h4 { margin-bottom: 1.5rem; font-size: 1.1rem; }
.footer-links ul li { margin-bottom: 0.75rem; }
.footer-links ul li a { color: var(--text-secondary); font-weight: 500; }
.footer-links ul li a:hover { color: var(--accent); padding-left: 5px; }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 992px) {
    .hero-container, .showcase-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content { margin: 0 auto; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .showcase-list li { justify-content: center; }
    .showcase-images { height: auto; display: flex; flex-direction: column; gap: 2rem; margin-top: 3rem; }
    .showcase-img { position: static; width: 80%; max-width: 300px; }
    .showcase-images:hover .showcase-img-1, .showcase-images:hover .showcase-img-2 { transform: none; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed; top: 70px; left: -100%; width: 100%;
        background-color: var(--bg-surface);
        flex-direction: column; padding: 2rem 0;
        box-shadow: var(--shadow-md); transition: var(--transition);
    }
    .nav-links.active { left: 0; }
    .hamburger { display: block; }
    .footer-container { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .footer-brand p { margin: 1rem auto; }
    .social-links { justify-content: center; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
}