/* Design System (Modern Premium Dark Mode) */
:root {
    --bg: #030303;
    --fg: #FFFFFF;
    --text-muted: #A1A1AA;
    --primary: #FFFFFF;
    --accent-purple: #8B5CF6;
    --accent-blue: #3B82F6;
    --accent-green: #10B981;
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --font-main: 'Be Vietnam Pro', sans-serif;
    --container-max: 1100px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg);
}

body {
    font-family: var(--font-main);
    color: var(--fg);
    background-color: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted);
}

/* Background Glows (Framer Style) */
.glow-bg {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.glow-purple {
    background: radial-gradient(circle, var(--accent-purple), transparent 70%);
    top: -200px;
    right: -200px;
}

.glow-blue {
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    bottom: -200px;
    left: -200px;
}

/* Header */
.header {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(3, 3, 3, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
}

.desktop-nav {
    display: none;
    gap: 32px;
}

.desktop-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.desktop-nav a:hover {
    color: var(--fg);
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 80px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-headline {
    font-size: 42px;
    margin-bottom: 24px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight-gradient {
    background: linear-gradient(135deg, #FFF 0%, rgba(255,255,255,0.4) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-bottom: 80px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 600;
    border-radius: 100px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: var(--font-main);
}

.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 40px; font-size: 16px; width: 100%; max-width: 300px; }

.btn-primary {
    background: var(--fg);
    color: var(--bg);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-full { width: 100%; margin-top: 24px; }

.glow-on-hover:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

/* Hero Showcase - Uniform Row */
.hero-showcase {
    position: relative;
    max-width: 1000px;
    margin: 60px auto 0;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    height: 480px;
    gap: 24px;
}

.showcase-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #050505;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.8), 0 0 0 1px rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.showcase-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (max-width: 768px) {
    .hero-showcase {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 20px;
        gap: 16px;
        height: 400px;
        margin-top: 40px;
    }
    .showcase-card {
        min-width: 80%;
        scroll-snap-align: center;
    }
}

/* Trust Section */
.trust {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-flex {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
    justify-content: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
}

.trust-item i {
    width: 18px;
    height: 18px;
    color: var(--accent-purple);
}

/* Section Common */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    color: var(--accent-purple);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-size: 32px;
}

.center { text-align: center; }

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.benefit-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--glass-bg);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 24px;
    color: var(--fg);
}

.benefit-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

/* Examples (Projects) - Framer Style Portfólio */
.examples-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.example-item {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0A0A0A;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.example-item:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
}

.example-preview {
    height: 320px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: #050505;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.example-item:hover .portfolio-img {
    transform: scale(1.05);
}

.live-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.example-item:hover .live-badge {
    opacity: 1;
    transform: translateY(0);
}

.example-info {
    padding: 24px;
    border-top: 1px solid var(--border);
}

.example-info h4 { font-size: 20px; margin-bottom: 6px; }
.example-info p { font-size: 14px; color: var(--text-muted); }

/* How It Works */
.steps-container {
    max-width: 900px;
}

.steps-grid {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

.step-num {
    font-size: 32px;
    font-weight: 800;
    color: rgba(255,255,255,0.1);
    line-height: 1;
}

.step h4 { margin-top: 4px; margin-bottom: 10px; font-size: 20px; }

/* About Section */
.about {
    padding: 100px 0;
    position: relative;
    border-top: 1px solid var(--border);
}

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

.about-image-wrapper {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.about-image {
    width: 100%;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.8);
}

.about-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-purple), transparent 70%);
    opacity: 0.2;
    z-index: 1;
    filter: blur(80px);
}

.about-content {
    text-align: left;
}

.about-content p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.about-content strong {
    color: var(--fg);
}

.brands-wrapper {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.brands-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.brands-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.brand-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.brand-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--fg);
    border-color: rgba(255, 255, 255, 0.2);
}

@media (min-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr 1.3fr;
    }
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.price-card {
    padding: 48px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--glass-bg);
    position: relative;
}

.price-card.featured {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
    transform: scale(1.02);
}

.plan-tag {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--fg);
    color: var(--bg);
    padding: 4px 12px;
    font-size: 10px;
    font-weight: 800;
    border-radius: 100px;
    text-transform: uppercase;
}

.price-card h4 { font-size: 22px; margin-bottom: 12px; }
.price-desc { font-size: 14px; margin-bottom: 32px; min-height: 48px; }

.price-value {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 32px;
    letter-spacing: -2px;
}

.price-features {
    list-style: none;
    margin-top: 32px;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.price-features li i {
    width: 14px;
    height: 14px;
    color: var(--accent-green);
}

/* Final CTA */
.final-cta {
    background: #000;
    border-top: 1px solid var(--border);
}

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

.final-cta h3 {
    font-size: 32px;
    margin-bottom: 24px;
}

.final-cta p { margin-bottom: 40px; }

/* Footer */
.footer {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p { margin-top: 24px; max-width: 300px; }
.footer-links h5 { font-size: 14px; text-transform: uppercase; margin-bottom: 24px; letter-spacing: 0.1em; color: var(--text-muted); }

.copyright {
    color: #444;
    font-size: 12px;
    text-align: center;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 24px;
    z-index: 2000;
    background: linear-gradient(180deg, transparent, rgba(3,3,3,1) 40%);
    display: block;
}

.btn-whatsapp {
    background: #25D366; /* Official WhatsApp Green */
    color: var(--fg);
    width: 100%;
    border-radius: 16px;
    padding: 18px 24px;
    display: flex;
    gap: 12px;
    font-size: 15px;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp i { width: 20px; height: 20px; }

/* Responsive adjustments */
@media (min-width: 768px) {
    .header-flex { display: flex; }
    .desktop-nav { display: flex; }
    
    .hero-headline { font-size: 72px; }
    .hero-subheadline { font-size: 20px; }
    .hero-actions { flex-direction: row; justify-content: center; }
    .btn-lg { width: auto; }

    .trust-flex { flex-direction: row; gap: 64px; }
    
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .examples-grid { grid-template-columns: repeat(3, 1fr); }
    .steps-grid { flex-direction: row; justify-content: space-between; }
    .step { flex-direction: column; text-align: center; align-items: center; flex: 1; }
    
    .pricing-grid { 
        display: flex;
        justify-content: center;
        gap: 32px;
        flex-wrap: wrap;
    }
    .price-card {
        flex: 1;
        max-width: 400px;
    }
    .price-card.featured { transform: scale(1.05); z-index: 2; }
    
    .footer-grid { grid-template-columns: 2fr 1fr; }
    
    .sticky-cta { 
        display: none; /* Hide on desktop as per usual desktop patterns */
    }
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge, .hero-headline, .hero-subheadline, .hero-actions {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-headline { animation-delay: 0.1s; }
.hero-subheadline { animation-delay: 0.2s; }
.hero-actions { animation-delay: 0.3s; }
