/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.1;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.hero-note .badge {
    background-color: rgba(255, 255, 255, 0.2);
    margin-right: 0.5rem;
}

/* ===== FEATURES SECTION ===== */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* ===== BENEFITS ===== */
.benefits {
    background-color: white;
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.benefits h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.benefits-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.benefits-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== DEMO SECTION ===== */
.demo {
    background-color: white;
}

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

.demo-link {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 3rem;
    transition: var(--transition);
}

.demo-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.screenshot-card {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.screenshot-card img {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.screenshot-card p {
    text-align: center;
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

/* ===== CTA SECTION ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero-buttons .btn-primary:hover {
    color: white !important;
}

.cta .btn-primary {
    background-color: white;
    color: #f3f3f3 !important;
}

.cta .btn-primary:hover {
    background-color: var(--bg-secondary);
}

.cta .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .problem-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .tech-info {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .hero-note {
        font-size: 0.875rem;
        padding: 0 0.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        padding: 0 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .benefits-list {
        grid-template-columns: 1fr;
    }

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

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

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

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

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

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .problem-card {
        padding: 1.5rem;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0 2rem;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-note {
        font-size: 0.8rem;
    }

    .hero-note .badge {
        display: block;
        margin-bottom: 0.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

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

    .problem-card {
        padding: 1.25rem;
    }

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

    .before, .after {
        padding: 1.5rem;
    }

    .value-prop {
        padding: 2rem 1rem;
    }

    .value-prop h3 {
        font-size: 1.5rem;
    }

    .value-prop p {
        font-size: 1rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        line-height: 50px;
        font-size: 1.25rem;
    }

    .how-it-works {
        padding: 2rem 1rem;
    }

    .how-it-works h3 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 1rem;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .cta-note {
        font-size: 0.85rem;
    }

    .demo-link {
        font-size: 1.1rem;
        padding: 1.25rem;
    }

    .screenshot-card {
        padding: 0.75rem;
    }

    .screenshot-card p {
        font-size: 0.875rem;
    }
}

/* ===== PROBLEM SECTION ===== */
.problem {
    background-color: #fef2f2;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid #fca5a5;
    text-align: center;
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    color: #dc2626;
    margin-bottom: 0.75rem;
}

/* ===== SOLUTION SECTION ===== */
.solution {
    background-color: white;
}

.solution-visual {
    max-width: 1000px;
    margin: 3rem auto;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.before, .after {
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.before {
    background-color: #fef2f2;
    border: 2px solid #fca5a5;
}

.after {
    background-color: #d1fae5;
    border: 2px solid #6ee7b7;
}

.before h3, .after h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.before ul, .after ul {
    list-style: none;
    padding: 0;
}

.before li, .after li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.value-prop {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem;
    border-radius: var(--radius-xl);
    margin-top: 3rem;
}

.value-prop h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.value-prop p {
    font-size: 1.2rem;
    margin: 0;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    margin-top: 4rem;
    background-color: white;
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.how-it-works h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    margin: 0;
}

/* ===== PROOF SECTION ===== */
.proof {
    background-color: var(--bg-secondary);
}

.testimonial {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.author {
    color: var(--text-secondary);
    font-weight: 600;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.stat {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ===== TECHNICAL SECTION ===== */
.technical {
    background-color: white;
}

.tech-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.tech-column h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.tech-column ul {
    list-style: none;
    padding: 0;
}

.tech-column li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.tech-column li:before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: var(--primary-color);
    font-weight: 700;
    width: 1.5rem;
}

/* ===== CTA NOTE ===== */
.cta-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.tech-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-bottom: 2rem;
}

/* ===== RESPONSIVE - MOBILE OPTIMIZATIONS ===== */
@media (max-width: 768px) {
    .before-after {
        grid-template-columns: 1fr;
    }

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

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

    .tech-info {
        grid-template-columns: 1fr;
    }

    .before h3, .after h3 {
        font-size: 1.125rem;
    }

    .benefits {
        padding: 2rem 1.5rem;
    }

    .benefits h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .before-after {
        gap: 1.5rem;
    }

    .before h3, .after h3 {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .before li, .after li {
        font-size: 0.9rem;
        padding: 0.375rem 0;
    }

    .tech-column h3 {
        font-size: 1.125rem;
    }

    .tech-column li {
        font-size: 0.9rem;
        padding: 0.375rem 0;
        padding-left: 2rem;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}