/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6C3CE1;
    --primary-dark: #5A2FC9;
    --primary-light: #8B6EF0;
    --secondary: #FF6B6B;
    --dark: #0F0A1A;
    --gray-900: #1A1525;
    --gray-800: #2D2740;
    --gray-700: #4A4360;
    --gray-600: #6B6480;
    --gray-400: #9A94B0;
    --gray-200: #D1CDE0;
    --gray-100: #EBE8F5;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #6C3CE1 0%, #FF6B6B 100%);
    --shadow: 0 10px 40px rgba(108, 60, 225, 0.15);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--gray-200);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-200);
    border: 2px solid var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--white);
    background: rgba(108, 60, 225, 0.1);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 10, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.logo i {
    color: var(--primary);
    font-size: 1.6rem;
}

.logo span span {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    color: var(--gray-400);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== HERO ===== */
.hero {
    padding: 140px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at 30% 50%, rgba(108, 60, 225, 0.08) 0%, transparent 60%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text .badge {
    display: inline-block;
    background: rgba(108, 60, 225, 0.15);
    color: var(--primary-light);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(108, 60, 225, 0.2);
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 20px;
}

.hero-text h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--gray-400);
    max-width: 500px;
    margin-bottom: 32px;
    line-height: 1.8;
}

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

/* ===== MOCKUP ===== */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup {
    background: var(--gray-900);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow), 0 0 80px rgba(108, 60, 225, 0.05);
    width: 100%;
    max-width: 520px;
    overflow: hidden;
}

.mockup-header {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray-600);
}

.mockup-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mockup-header .dot.red { background: #FF5F57; }
.mockup-header .dot.yellow { background: #FFBD2E; }
.mockup-header .dot.green { background: #28C840; }

.mockup-body {
    padding: 30px;
}

.mockup-url {
    display: flex;
    align-items: center;
    background: var(--gray-800);
    border-radius: 10px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 24px;
}

.mockup-url input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    outline: none;
}

.mockup-url button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.mockup-url button:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.mockup-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
}

.mockup-stats .stat {
    background: var(--gray-800);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== FEATURES ===== */
.features {
    padding: 80px 0;
    background: var(--gray-900);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .badge {
    display: inline-block;
    background: rgba(108, 60, 225, 0.12);
    color: var(--primary-light);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-400);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--dark);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(108, 60, 225, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(108, 60, 225, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== PRICING ===== */
.pricing {
    padding: 80px 0;
    background: var(--dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.pricing-card {
    background: var(--gray-900);
    border-radius: var(--radius);
    padding: 40px 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-6px);
    border-color: rgba(108, 60, 225, 0.15);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    background: var(--gray-900);
    box-shadow: 0 0 40px rgba(108, 60, 225, 0.08);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 4px 20px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.pricing-header .price {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
}

.pricing-header .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-400);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    width: 20px;
    font-size: 0.9rem;
}

.pricing-features li .fa-check {
    color: #10b981;
}

.pricing-features li .fa-times {
    color: var(--gray-600);
    opacity: 0.5;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--gray-400);
    margin-top: 12px;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-links h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-links a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    padding: 4px 0;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 24px;
    text-align: center;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 16px 24px;
    background: var(--gray-900);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius);
    color: var(--white);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 9999;
    display: none;
    animation: slideUp 0.3s ease;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .mockup {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: 16px;
    }

    .nav-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-link {
        display: none;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.7rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .mockup-body {
        padding: 16px;
    }

    .pricing-card {
        padding: 28px 20px;
    }
}