/* ==========================================================================
   CSS VARIABLES & THEME
   ========================================================================== */
:root {
    /* Colors - Light Theme */
    --color-base: #FAF9F6;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F2EFE9;
    --color-text: #1A1A1A;
    --color-text-light: #4A4A4A;
    --color-text-muted: #757575;
    
    /* Accent: Corporate Red */
    --color-accent: #A6192E;
    --color-accent-hover: #8C1527;
    --color-accent-light: #FCE8EB;
    
    --color-border: #E5E5E5;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-width: 1200px;
    --container-padding: 2rem;
    --section-spacing: 8rem;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] {
    --color-base: #101211;
    --color-surface: #1A1C1B;
    --color-surface-hover: #242726;
    --color-text: #F3F4F6;
    --color-text-light: #D1D5DB;
    --color-text-muted: #9CA3AF;
    
    --color-accent: #D32F2F;
    --color-accent-hover: #E53935;
    --color-accent-light: #4A1212;
    
    --color-border: #2D3130;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-base);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
}

.italic-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--color-accent);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-surface);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-surface-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-text);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #1EBE5D;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(250, 249, 246, 0.85); /* Light mode semi-transparent */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
}

[data-theme="dark"] .header {
    background-color: rgba(16, 18, 17, 0.85);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
    transition: height var(--transition-base);
}

.header.scrolled .header-inner {
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 101;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.logo-text strong {
    font-weight: 700;
    color: var(--color-accent);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-surface-hover);
}

.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

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

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.trust-item i {
    color: var(--color-accent);
    width: 20px;
    height: 20px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform 10s ease;
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1);
}

.image-overlay-box {
    position: absolute;
    bottom: -1rem;
    left: -1rem;
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translate(2rem, -2rem);
}

.overlay-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-text {
    display: flex;
    flex-direction: column;
}

.overlay-text strong {
    font-size: 1.125rem;
    color: var(--color-text);
}

.overlay-text span {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   TRUST SECTION (Editorial Layout)
   ========================================================================== */
.trust-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-surface);
}

.trust-editorial {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.trust-block {
    position: relative;
    padding-left: 2rem;
    border-left: 1px solid var(--color-border);
    transition: border-color var(--transition-base);
}

.trust-block:hover {
    border-left-color: var(--color-accent);
}

.trust-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.trust-block h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.trust-block p {
    color: var(--color-text-light);
}

/* ==========================================================================
   EMOTIONAL SECTION
   ========================================================================== */
.emotional-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-base);
}

.emotional-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.emotional-image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
}

.emotional-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.emotional-content p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background-color: var(--color-base);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-light);
}

.service-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--color-accent);
    color: var(--color-surface);
    border-color: var(--color-accent);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ==========================================================================
   PROCESS SECTION
   ========================================================================== */
.process-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-base);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 4rem;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 1rem;
}

.step-number {
    width: 64px;
    height: 64px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
}

.process-step:hover .step-number {
    background-color: var(--color-accent);
    color: var(--color-surface);
    border-color: var(--color-accent);
}

.process-step h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.process-step p {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.process-line {
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
    margin-top: 32px; /* half of step-number height */
    max-width: 50px;
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */
.cta-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-accent);
    color: white;
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: white;
    margin-bottom: 1.5rem;
}

.cta-title .italic-serif {
    color: var(--color-accent-light);
}

.cta-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.cta-actions .btn-primary {
    background-color: white;
    color: var(--color-accent);
}

.cta-actions .btn-primary:hover {
    background-color: var(--color-surface-hover);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: var(--color-surface);
    padding-top: 5rem;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--color-text-light);
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer h3 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-light);
}

.footer ul li i {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ==========================================================================
   FLOATING WHATSAPP
   ========================================================================== */
.whatsapp-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
    will-change: transform;
    transform: translateZ(0);
}

.whatsapp-tooltip {
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: float 3s ease-in-out infinite;
    border: 1px solid var(--color-border);
}

.tooltip-tail {
    position: absolute;
    bottom: -6px;
    right: 24px;
    width: 12px;
    height: 12px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    transform: rotate(45deg);
}

.floating-whatsapp {
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px -5px rgba(37, 211, 102, 0.4);
    animation: none;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

/* ==========================================================================
   3D & IMMERSIVE EFFECTS
   ========================================================================== */
.perspective-body {
    overflow-x: hidden;
}

.tilt-3d {
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
}

.tilt-3d-light {
    transition: transform 0.1s ease-out, box-shadow var(--transition-base), border-color var(--transition-base);
    transform-style: preserve-3d;
}

.reveal {
    opacity: 0;
    transform: translateY(40px) translateZ(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0) translateZ(0);
}

/* ==========================================================================
   DESKTOP TOOLTIP
   ========================================================================== */
.desktop-tooltip {
    position: fixed;
    background-color: var(--color-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.desktop-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   COVERAGE SECTION
   ========================================================================== */
.coverage-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-base);
}

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

.coverage-list {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.coverage-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.coverage-list li i {
    color: var(--color-accent);
    width: 18px;
    height: 18px;
}

.abstract-map {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-base) 100%);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    position: relative;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.map-icon-bg {
    width: 150px;
    height: 150px;
    color: var(--color-accent-light);
    opacity: 0.5;
}

.pin {
    width: 12px;
    height: 12px;
    background-color: var(--color-accent);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 0 0 4px var(--color-accent-light);
}

.pin.active { top: 40%; left: 50%; animation: pulse 2s infinite; }
.pin-2 { top: 60%; left: 30%; opacity: 0.6; }
.pin-3 { top: 30%; left: 70%; opacity: 0.6; }

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section {
    padding: var(--section-spacing) 0;
    background-color: var(--color-surface);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-card {
    background-color: var(--color-base);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.faq-card h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.faq-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Mobile First adjustments handled via max-width)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-inner, .emotional-inner, .trust-editorial, .coverage-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero {
        padding-top: 7rem;
    }

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

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

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

    .trust-indicators {
        justify-content: center;
    }

    .image-overlay-box {
        bottom: 1rem;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 350px;
    }

    .emotional-inner {
        direction: ltr;
    }

    .emotional-image-wrapper {
        order: -1;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .coverage-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-surface);
        padding: 6rem 2rem 2rem;
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
        z-index: 100;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.125rem;
        display: block;
        padding: 0.5rem 0;
    }

    .nav-cta {
        display: none;
    }

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

    .process-steps {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }

    .process-line {
        display: none;
    }

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

    .cta-actions {
        flex-direction: column;
    }
    
    :root {
        --section-spacing: 5rem;
    }
}