/* ========================================
   RENTAOK SAAS LANDING STYLES
   Minimalist & Modern Design System
   ======================================== */

:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1E40AF;
    --color-secondary: #000000;
    --color-bg-light: #F8FAFC;
    --color-bg-white: #FFFFFF;
    --color-bg-dark: #0F172A;
    --color-text-main: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;

    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    --spacing-section: 6rem;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-bg-white);
}

h1,
h2,
h3,
h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text-main);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.center {
    text-align: center;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 1rem 0;
}

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

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

.nav-links a:not(.btn-nav) {
    font-weight: 500;
    color: var(--color-text-muted);
}

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

.btn-nav {
    background: var(--color-primary);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--color-primary-dark);
}

/* HERO SECTION */
.hero {
    padding-top: 10rem;
    padding-bottom: 5rem;
    background: linear-gradient(180deg, #F0F9FF 0%, #FFFFFF 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.hero-image .image-wrapper {
    box-shadow: var(--shadow-hover);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.hero-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.hero-support {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* BUTTONS */
.btn-primary {
    background: var(--color-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-outline:hover {
    background: #EFF6FF;
}

.btn-primary.large {
    padding: 1.2rem 3rem;
    font-size: 1.25rem;
}

/* SECTIONS COMMON */
.section-light {
    background-color: var(--color-bg-light);
    padding: var(--spacing-section) 0;
}

.section-white {
    background-color: var(--color-bg-white);
    padding: var(--spacing-section) 0;
}

.section-header {
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* PROBLEMA */
.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.pain-points {
    margin: 2rem 0;
}

.pain-points li {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.solution-highlight {
    background: #EFF6FF;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.problem-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

/* PERFILES */
.perfiles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.perfil-card {
    background: var(--color-bg-light);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.perfil-card .icon-wrap {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.perfil-card h3 {
    margin-bottom: 1rem;
}

.benefits-list {
    margin: 2rem 0;
}

.benefits-list li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-box {
    margin-top: 1rem;
    color: var(--color-primary);
}

/* FEATURES */
.features-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-item {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--color-border);
}

.check-icon {
    color: var(--color-primary);
    font-weight: bold;
}

.features-closing {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ROI SECTION */
.section-dark {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-section) 0;
}

.section-dark h2 {
    color: white;
}

.roi-stats {
    margin: 3rem 0;
    display: flex;
    justify-content: center;
}

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

.stat-number {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    color: #38BDF8;
    /* Sky Blue */
    line-height: 1;
}

.stat-label {
    font-size: 1.25rem;
    opacity: 0.9;
}

.roi-result {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.roi-final {
    color: #38BDF8;
    font-weight: 700;
    font-size: 1.125rem;
}

/* PRICING PLANS */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: transform 0.3s;
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.popular-tag {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-header h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.contracts {
    color: var(--color-text-muted);
    font-weight: 500;
}

.plan-price {
    margin: 2rem 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-main);
}

.period {
    color: var(--color-text-muted);
}

.plan-features {
    margin-bottom: 2rem;
}

.plan-features li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-gray);
}

.plan-features li::before {
    content: "•";
    color: var(--color-primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.plan-cta a {
    width: 100%;
    text-align: center;
    display: block;
}

.pricing-footer {
    max-width: 600px;
    margin: 0 auto;
}

.promo-box {
    background: #FFFBEB;
    border: 1px solid #FCD34D;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: inline-block;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.faq-item h4 {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

/* FINAL CTA */
.section-final-cta h2 {
    margin-bottom: 1rem;
}

.cta-actions {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.contact-buttons-footer {
    display: flex;
    gap: 1.5rem;
}

.whatsapp-link {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.whatsapp-link:hover {
    color: #25D366;
}

/* FOOTER */
footer {
    background: var(--color-bg-light);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-bottom {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero .container,
    .problem-grid,
    .perfiles-grid,
    .pricing-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero {
        padding-top: 6rem;
        text-align: center;
    }

    .hero .container {
        gap: 2rem;
    }

    .hero-cta {
        align-items: center;
    }

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

    .nav-links {
        display: none;
        /* Mobile menu implementation usually requires JS */
    }

    .menu-toggle {
        display: block;
        /* Hamburger icon would go here */
    }
}