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

:root {
    --primary: #ef4444;
    --primary-dark: #dc2626;
    --secondary: #f87171;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #fff5f5;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn-primary {
    background: var(--gradient);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-hero {
    background: var(--gradient);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    padding: 1rem 2.5rem;
    border: 2px solid var(--primary);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* Hero Section */
.hero {
    padding: 150px 2rem 100px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero-image {
    margin: 3rem auto;
    max-width: 900px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Visual Features Section */
.visual-features {
    padding: 80px 2rem;
    background: var(--white);
}

.visual-feature {
    max-width: 1200px;
    margin: 0 auto 100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.visual-feature.reverse {
    grid-template-columns: 1fr 1fr;
}

.visual-feature.reverse .visual-content {
    order: 2;
}

.visual-feature.reverse .visual-image {
    order: 1;
}

.visual-content h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.visual-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.8;
}

.visual-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.feature-img:hover {
    transform: scale(1.05);
}

/* Features Section */
.features {
    padding: 100px 2rem;
    background: var(--white);
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-light);
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    background: var(--bg-light);
    border-radius: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* How It Works */
.how-it-works {
    padding: 100px 2rem;
    background: var(--bg-light);
}

.steps {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    margin: 0 auto 2rem;
}

.step h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Social Proof */
.social-proof {
    padding: 100px 2rem;
    background: var(--white);
}

.testimonials {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    padding: 2.5rem;
    background: var(--bg-light);
    border-radius: 20px;
    border-left: 4px solid var(--primary);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-style: italic;
}

.testimonial-author {
    font-weight: 700;
    color: var(--primary);
}

/* Download Section */
.download {
    padding: 100px 2rem;
    background: var(--gradient);
    text-align: center;
    color: var(--white);
}

.coming-soon-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.download-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.download-content > p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--white);
    color: var(--text-dark);
    padding: 1rem 2rem;
    border-radius: 15px;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.store-button.disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.store-button.disabled:hover {
    transform: none;
    box-shadow: none;
}

.store-icon {
    font-size: 2.5rem;
}

.store-button div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.store-small {
    font-size: 0.75rem;
    color: var(--text-light);
}

.store-large {
    font-size: 1.25rem;
    font-weight: 700;
}

.download-note {
    margin-top: 2rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .visual-feature,
    .visual-feature.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .visual-feature.reverse .visual-content,
    .visual-feature.reverse .visual-image {
        order: initial;
    }

    .visual-content h2 {
        font-size: 2rem;
    }

    .visual-content p {
        font-size: 1.1rem;
    }

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

    .download-content h2 {
        font-size: 2rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .store-button {
        width: 100%;
        max-width: 300px;
    }
}