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

:root {
    --black: #000000;
    --dark: #0a0a0a;
    --dark-card: #111111;
    --dark-border: #1a1a1a;
    --dark-hover: #1f1f1f;
    --gray-900: #0d0d0d;
    --gray-800: #1a1a1a;
    --gray-700: #2a2a2a;
    --gray-600: #444444;
    --gray-500: #666666;
    --gray-400: #888888;
    --gray-300: #aaaaaa;
    --gray-200: #cccccc;
    --white: #ffffff;
    --accent: #ffffff;
    --accent-dim: rgba(255, 255, 255, 0.08);
    --accent-glow: rgba(255, 255, 255, 0.03);
    --gradient-text: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    --gradient-btn: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.06) 0%, transparent 60%);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== UTILITY ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    box-sizing: border-box;
}

.section {
    padding: 100px 0;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 560px;
    line-height: 1.7;
}

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: all 0.3s ease;
    max-width: 100vw;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.logo span {
    color: var(--gray-500);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color 0.2s;
    font-weight: 500;
}

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

.nav-cta {
    background: var(--white);
    color: var(--black) !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 5px 0;
    transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 72px;
    overflow: hidden;
    max-width: 100vw;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-dim);
    border: 1px solid var(--dark-border);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-300);
    margin-bottom: 32px;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-400);
    max-width: 540px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--black);
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.25s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,255,255,0.15);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--gray-300);
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid var(--gray-700);
    transition: all 0.25s;
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--gray-500);
    color: var(--white);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-top: 72px;
    padding-top: 48px;
    border-top: 1px solid var(--dark-border);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 4px;
    font-weight: 500;
}

/* ===== PRICING ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    min-width: 0;
    overflow: hidden;
}

.pricing-card:hover {
    border-color: var(--gray-700);
}

.pricing-card-popular {
    border-color: var(--gray-600);
    position: relative;
}

.pricing-popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    color: var(--black);
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-tag {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.pricing-period {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 28px;
}

.pricing-price-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 28px;
}

.pricing-price-item {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.pricing-price-item .pricing-price {
    font-size: 1.8rem;
}

.pricing-unit {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-weight: 500;
}

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

.pricing-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--gray-300);
    border-bottom: 1px solid var(--dark-border);
}

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

.pricing-features li::before {
    content: '\2713';
    margin-right: 10px;
    color: var(--gray-500);
}

/* ===== FEATURES ===== */
.features {
    background: var(--dark);
    position: relative;
}

.features-header {
    text-align: center;
    margin-bottom: 64px;
}

.features-header .section-desc {
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--dark-border);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    overflow: hidden;
    max-width: 100%;
}

.feature-card {
    background: var(--black);
    padding: 40px 32px;
    transition: background 0.3s;
}

.feature-card:hover {
    background: var(--dark-hover);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    position: relative;
}

.how-header {
    text-align: center;
    margin-bottom: 64px;
}

.how-header .section-desc {
    margin: 0 auto;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.step {
    text-align: center;
    padding: 40px 24px;
    position: relative;
}

.step-number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--dark-card);
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.04em;
}

.step h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.step p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== BENEFITS ===== */
.benefits {
    background: var(--dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 2fr);
    gap: 24px;
}

.benefit-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s;
}

.benefit-card:hover {
    border-color: var(--gray-700);
    transform: translateY(-2px);
}

.benefit-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.benefit-card .benefit-tag {
    display: inline-block;
    background: var(--accent-dim);
    color: var(--gray-300);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 120px 0;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
    line-height: 1.1;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 480px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
    background: var(--dark);
}

.faq-header {
    text-align: center;
    margin-bottom: 64px;
}

.faq-header .section-desc {
    margin: 0 auto;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--dark-border);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.2s;
    background: none;
    border: none;
    color: var(--white);
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.faq-question:hover {
    color: var(--gray-300);
}

.faq-icon {
    font-size: 1.2rem;
    transition: transform 0.3s;
    color: var(--gray-500);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--dark-border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-left p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray-500);
    transition: color 0.2s;
}

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

/* ===== FLOATING WHATSAPP ===== */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: calc(100vw - 24px);
}

.wa-tooltip {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: var(--white);
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s;
    pointer-events: none;
}

.wa-float:hover .wa-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.wa-btn {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s;
}

.wa-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.wa-btn svg {
    width: 30px;
    height: 30px;
    fill: white;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    padding: 24px;
    z-index: 999;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 14px 0;
    color: var(--gray-300);
    font-weight: 500;
    font-size: 1rem;
    border-bottom: 1px solid var(--dark-border);
}

.mobile-menu a:last-child {
    border-bottom: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .section {
        padding: 72px 0;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

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

    .steps {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .step-number {
        font-size: 3.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

    .wa-float {
        bottom: 20px;
        right: 16px;
        left: 16px;
        justify-content: flex-end;
    }

    .wa-tooltip {
        display: none;
    }

    .wa-btn {
        width: 54px;
        height: 54px;
        flex-shrink: 0;
    }

    .pricing-card {
        padding: 32px 20px;
    }

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

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}