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

:root {
    --navy: #0a1628;
    --navy-light: #132040;
    --blue: #1a56db;
    --blue-hover: #1444b0;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.15);
    --whatsapp: #25d366;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(168deg, var(--navy) 0%, var(--navy-light) 50%, #0d2137 100%);
    color: var(--white);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.15);
    color: #93c5fd;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 28px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 16px;
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 400;
    color: #93c5fd;
    margin-bottom: 20px;
    position: relative;
}

.hero-description {
    font-size: 1rem;
    color: #b0bec5;
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
    position: relative;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.4;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

.btn-primary:hover {
    background: var(--blue-hover);
    border-color: var(--blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
}

.btn-center {
    display: flex;
    margin: 40px auto 0;
}

/* ========== VALUE PROPOSITION ========== */
.value-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.section-heading {
    font-size: clamp(1.6rem, 3vw, 2rem);
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: var(--navy);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 48px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
}

.value-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.value-icon {
    color: var(--blue);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--navy);
}

.value-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ========== WHO CAN BENEFIT ========== */
.benefit-section {
    padding: 80px 0;
    background: var(--white);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all var(--transition);
}

.benefit-card:hover {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.benefit-icon {
    color: var(--blue);
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--navy);
}

.benefit-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

@media (max-width: 640px) {
    .benefit-section {
        padding: 56px 0;
    }
}

/* ========== TRUST SIGNALS ========== */
.trust-section {
    padding: 80px 0;
    background: var(--white);
}

.trust-grid {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.trust-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.trust-item:hover {
    border-color: var(--accent);
    background: var(--gray-50);
}

.trust-icon {
    color: var(--blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.trust-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--navy);
}

.trust-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== FAQ SECTION ========== */
.faq-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item[open] {
    border-color: var(--blue);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: color var(--transition);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: "+";
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--gray-400);
    flex-shrink: 0;
    margin-left: 16px;
    transition: all var(--transition);
}

.faq-item[open] .faq-question::after {
    content: "−";
    color: var(--blue);
}

.faq-item[open] .faq-question {
    color: var(--blue);
    border-bottom: 1px solid var(--gray-200);
}

.faq-answer {
    padding: 16px 24px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 640px) {
    .faq-section {
        padding: 56px 0;
    }
    .faq-question {
        padding: 16px 18px;
        font-size: 0.9rem;
    }
    .faq-answer {
        padding: 14px 18px 18px;
        font-size: 0.85rem;
    }
}

/* ========== FOOTER ========== */
.footer {
    background: var(--navy);
    color: var(--gray-400);
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-domain {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.footer-tagline {
    font-size: 0.85rem;
    color: #94a3b8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: #b0bec5;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: #94a3b8;
}

.footer-contact a {
    color: #93c5fd;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: #94a3b8;
}

/* ========== WHATSAPP FAB ========== */
.whatsapp-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: all var(--transition);
    z-index: 1000;
    text-decoration: none;
}

.whatsapp-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-fab:active {
    transform: scale(0.96);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
    .hero {
        padding: 72px 0 56px;
    }

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

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

    .value-section,
    .trust-section {
        padding: 56px 0;
    }

    .trust-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .footer-grid {
        text-align: center;
        justify-items: center;
    }

    .footer-links {
        align-items: center;
    }

    .whatsapp-fab {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}