:root {
    --bg-color: #F7F4EF; /* Beige super sutil */
    --text-color: #0B0B0B;
    --accent-color: #6b5b95; /* Púrpura más apagado y sofisticado */
    --footer-bg: #DFD5C5; /* Beige más concentrado y sólido */
    --footer-text: #0B0B0B;
    --border-color: #d1d1d1;
    --text-secondary: #4a4a4a;
    --text-tertiary: #454545; /* Asegura nivel AAA (ratio > 7:1) sobre beige */
    
    --container-padding: 5vw;

    /* Typographic Scale (Base 1em = 16px, Min 0.875em = 14px) */
    --text-xs: 0.875em;
    --text-sm: 1em;
    --text-md: 1.125em;
    --text-lg: 1.5em;
    --text-xl: clamp(1.125em, 1.5vw, 1.5em);
    --text-2xl: clamp(1.5em, 2.5vw, 2.5em);
    --title-sm: clamp(1.5em, 4vw, 4em);
    --title-md: clamp(3em, 5vw, 5em);
    --title-lg: clamp(2.5em, 6vw, 6em);
}

[data-theme="dark"] {
    --bg-color: #0b0b0b;
    --text-color: #f4f4f0;
    --accent-color: #7C3AED;
    --footer-bg: #000000;
    --footer-text: #f4f4f0;
    --border-color: #2a2a2a;
    --text-secondary: #cccccc;
    --text-tertiary: #b3b3b3;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.container {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    max-width: 1440px;
    margin: 0 auto;
}

/* Typography */
.mega-title {
    font-size: var(--title-lg);
    font-weight: 900;
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.section-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    display: inline-block;
}

/* Header */
.main-header {
    padding: 2rem 0;
    position: relative;
    z-index: 9999;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: var(--text-md);
    font-weight: 900;
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    display: inline-block;
    z-index: 101;
}
.logo::after {
    content: '';
    position: absolute;
    left: calc(100% + 6px);
    bottom: 0; /* Apoyado en la línea base (renglón) */
    width: 0;
    height: 2.5px;
    background-color: var(--accent-color);
    animation: expandWidth 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.5s;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 3rem;
}
.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}
.main-nav a:hover {
    color: var(--accent-color);
}

/* Hamburger and Theme Toggle */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 101;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-color);
    transition: transform 0.3s ease;
    padding: 5px;
    z-index: 102;
    position: relative;
}
.theme-toggle:hover {
    transform: scale(1.1);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 102;
}
.hamburger {
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding-top: 5rem;
    padding-bottom: 8rem;
}
.hero-desc {
    font-size: var(--text-xl);
    max-width: 700px;
    margin-bottom: 3rem;
}
.btn-outline {
    display: inline-block;
    border: 1px solid var(--text-color);
    padding: 1rem 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}
.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Services */
.services {
    padding-bottom: 5rem;
}
.services-header {
    display: flex;
    justify-content: space-between;
}
.section-number {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 3rem; /* 4rem vertical, 3rem horizontal */
}
.service-item {
    /* No se necesita padding individual, gap maneja el espaciado */
}
.service-title {
    font-size: var(--text-2xl);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.service-desc {
    font-size: var(--text-xl);
    color: var(--text-secondary);
}

/* Gobierno Digital */
.gov-digital {
    padding-top: 5rem;
    padding-bottom: 5rem;
}
.gov-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: 3rem;
}
.stat-group {
    margin-bottom: 2rem;
}
.stat-number {
    font-size: var(--title-md);
    font-weight: 900;
    line-height: 1;
}
.stat-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 0.5rem;
}
.gov-desc {
    font-size: var(--text-xl);
    margin-bottom: 2rem;
}
.gov-list {
    list-style: none;
}
.gov-list li {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1rem;
}
.gov-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

/* El Estudio */
.studio {
    padding-top: 5rem;
    padding-bottom: 3rem;
    position: relative;
}
.studio-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}
.mb-large {
    margin-bottom: 3rem;
}
.studio-desc {
    font-size: var(--text-xl);
    max-width: 800px;
    margin-top: 2rem;
}
.coordinates {
    margin-top: 5rem;
    font-size: var(--text-xs);
    font-family: monospace;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Footer */
.main-footer {
    background: linear-gradient(to bottom, var(--bg-color), var(--footer-bg));
    color: var(--footer-text);
    padding: 6rem 0;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.footer-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
}
.footer-email {
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--footer-text);
    text-decoration: none;
    line-height: 1;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    word-break: break-word;
}
.footer-contact-group {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    align-items: flex-start;
}
.footer-contact-group:hover .footer-email,
.footer-contact-group:hover .footer-link {
    color: var(--accent-color);
}
.footer-contact-group:hover .arrow {
    transform: translateX(5px);
}
.footer-link {
    color: var(--footer-text);
    text-decoration: none;
    font-size: var(--text-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}
.arrow {
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

/* Responsive */

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        transform: translateX(100%);
        width: 100%;
        height: 100vh;
        background-color: var(--bg-color);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 99;
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .main-nav a {
        font-size: var(--text-lg);
    }
    
    /* Hamburger Animation */
    .menu-toggle.active .hamburger:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .menu-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .hamburger:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    
    /* Services grid to 1 col */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-item {
        padding: 2rem 0 !important;
        border-right: none !important;
    }
    .service-item.hide-mobile {
        display: none;
    }
    
    /* Gov digital */
    .gov-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .gov-stats {
        display: flex;
        gap: 2rem;
    }
    
    /* Studio */
    .studio-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .mega-title {
        font-size: clamp(1.8em, 9vw, 2.5em);
        word-break: break-word;
    }
    .gov-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    .btn-outline {
        display: block;
        text-align: center;
    }
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
.fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* Header load animation */
.main-header {
    animation: fadeDown 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(-20px);
}
@keyframes fadeDown {
    to { opacity: 1; transform: translateY(0); }
}

/* Logo line animation */
@keyframes expandWidth {
    to { width: 1.8em; }
}

/* Text Reveal Animation */
.reveal-wrap {
    overflow: hidden;
    display: inline-flex;
    vertical-align: top;
}

.reveal-text {
    display: inline-block;
    transform: translateY(110%);
    transition: transform 1.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.reveal-trigger.in-view .reveal-text {
    transform: translateY(0);
}