/* ============================================
   SOYMATTLPZZ - CATALOGO INMERSIVO
   ============================================ */

/* --- Variables CSS --- */
:root {
    /* Colores base */
    --brand-yellow: #fbb021;
    --brand-yellow-light: #fcc44d;
    --brand-yellow-dark: #e09a1a;
    --brand-yellow-glow: rgba(251, 176, 33, 0.4);
    --deep-black: #000000;
    --soft-black: #0a0a0a;
    --dark-gray: #111111;
    --pure-white: #ffffff;
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-bg-active: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-border-active: rgba(251, 176, 33, 0.5);
    --glass-blur: 20px;
    --glass-blur-strong: 40px;

    /* Gradientes */
    --gradient-dark: linear-gradient(180deg, #000 0%, #0a0a0a 100%);
    --gradient-brand: linear-gradient(135deg, var(--brand-yellow) 0%, var(--brand-yellow-dark) 100%);
    --gradient-glow: radial-gradient(ellipse at center, var(--brand-yellow-glow) 0%, transparent 70%);

    /* Transiciones */
    --transition-fast: 200ms;
    --transition-normal: 400ms;
    --transition-slow: 600ms;
    --transition-slower: 800ms;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Espaciado */
    --header-height: 80px;
    --sidebar-width: 120px;
    --content-padding: 4rem;
    --section-gap: 2rem;

    /* Tipografía */
    --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset y Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background-color: var(--deep-black);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Scrollbar Custom --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--deep-black);
}

::-webkit-scrollbar-thumb {
    background: var(--brand-yellow);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-yellow-light);
}

/* ============================================
   HEADER - TRANSFORMABLE
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, transparent 100%);
    transition: all var(--transition-slow) var(--ease-out-expo);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--content-padding);
    transition: all var(--transition-slow) var(--ease-out-expo);
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-yellow);
    letter-spacing: -0.02em;
    transition: all var(--transition-normal);
}

.claim {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--brand-yellow);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal) var(--ease-out-expo);
}

.nav-link:hover,
.nav-link.active {
    color: var(--pure-white);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* --- Sidebar Content (Hidden by default) --- */
.sidebar-content {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(var(--glass-blur-strong));
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1rem;
    gap: 2rem;
    opacity: 0;
    transform: translateX(-100%);
    pointer-events: none;
    transition: all var(--transition-slow) var(--ease-out-expo);
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo {
    width: 50px;
    height: 50px;
    background: var(--gradient-brand);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--deep-black);
}

.sidebar-close {
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-fast);
}

.sidebar-close:hover {
    color: var(--brand-yellow);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem;
    border-radius: 6px;
    text-align: center;
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--glass-bg-hover);
    color: var(--pure-white);
}

.sidebar-thumbnails {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: auto;
}

.sidebar-thumb {
    aspect-ratio: 1;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.sidebar-thumb:hover,
.sidebar-thumb.active {
    opacity: 1;
    border-color: var(--brand-yellow);
}

.sidebar-indicator {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Modal Open State --- */
body.modal-open .main-header {
    width: var(--sidebar-width);
    height: 100vh;
    background: transparent;
}

body.modal-open .header-inner {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50px);
}

body.modal-open .sidebar-content {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

/* ============================================
   SNAP CONTAINER
   ============================================ */
.snap-container {
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-snap-type: y proximity;
    scroll-behavior: smooth;
}

/* ============================================
   SECTIONS - BASE
   ============================================ */
.section {
    min-height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.section-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--content-padding);
    z-index: 10;
}

.section-header {
    margin-bottom: 3rem;
}

.section-number {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-yellow);
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--pure-white);
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-wrap: balance;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    line-height: 1.6;
}

/* ============================================
   SECTION: HERO
   ============================================ */
.section-hero {
    background: var(--deep-black);
}

/* --- Parallax Layers --- */
.parallax-wrapper {
    position: absolute;
    inset: 0;
    perspective: 1000px;
    transform-style: preserve-3d;
    overflow: hidden;
}

.parallax-layer {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
}

.parallax-deep {
    transform: translateZ(-300px) scale(1.3);
}

.parallax-mid {
    transform: translateZ(-150px) scale(1.15);
}

.parallax-front {
    transform: translateZ(-50px) scale(1.05);
}

.parallax-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--brand-yellow);
    top: -20%;
    right: -10%;
    animation: float-slow 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    bottom: -10%;
    left: -5%;
    animation: float-slow 25s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: var(--brand-yellow-glow);
    top: 30%;
    left: 20%;
    animation: float-medium 15s ease-in-out infinite;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    bottom: 20%;
    right: 25%;
    animation: float-medium 18s ease-in-out infinite reverse;
}

.shape-5 {
    width: 150px;
    height: 150px;
    background: var(--brand-yellow);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(20px, 10px) rotate(3deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -40px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.2); }
}

/* --- Hero Content --- */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: var(--content-padding);
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    margin-bottom: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.glass-panel-subtle {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
}

.hero-title {
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--pure-white);
    text-wrap: balance;
}

.text-brand {
    color: var(--brand-yellow);
    position: relative;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--gradient-brand);
    color: var(--deep-black);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-normal) var(--ease-out-expo);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(251, 176, 33, 0.3);
}

.cta-arrow {
    transition: transform var(--transition-normal);
}

.cta-button:hover .cta-arrow {
    transform: translateY(3px);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-line {
    width: 2px;
    height: 8px;
    background: var(--brand-yellow);
    border-radius: 1px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* ============================================
   SECTION: SERVICIOS
   ============================================ */
.section-servicios {
    background: linear-gradient(180deg, var(--deep-black) 0%, var(--soft-black) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.service-card {
    padding: 2rem;
    text-align: left;
    cursor: default;
    transition: all var(--transition-normal) var(--ease-out-expo);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--brand-yellow);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--brand-yellow);
    color: var(--deep-black);
    border-color: var(--brand-yellow);
    transform: scale(1.1);
}

.service-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pure-white);
    margin-bottom: 0.5rem;
}

.service-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.875rem;
}

.service-link {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-yellow);
    text-decoration: none;
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.service-link:hover {
    opacity: 1;
}

/* ============================================
   GLASSMORPHISM CARDS
   ============================================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: all var(--transition-normal) var(--ease-out-expo);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px var(--glass-border-hover),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ============================================
   SECTION: PROYECTOS
   ============================================ */
.section-proyectos {
    background: var(--soft-black);
}

.projects-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal) var(--ease-out-expo);
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.9) 100%);
    z-index: 1;
    transition: opacity var(--transition-normal);
}

.project-thumbnail {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-slow) var(--ease-out-expo);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
    transform: translateY(20px);
    opacity: 0.8;
    transition: all var(--transition-normal) var(--ease-out-expo);
}

.project-category {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--brand-yellow);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--pure-white);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.project-card:hover .project-thumbnail {
    transform: scale(1.1);
}

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.project-view-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pure-white);
    z-index: 3;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-normal) var(--ease-out-back);
}

.project-card:hover .project-view-btn {
    opacity: 1;
    transform: scale(1);
}

.project-view-btn:hover {
    background: var(--brand-yellow);
    color: var(--deep-black);
    border-color: var(--brand-yellow);
}

/* ============================================
   SECTION: ECOSISTEMA
   ============================================ */
.section-ecosistema {
    background: linear-gradient(180deg, var(--soft-black) 0%, var(--deep-black) 100%);
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.ecosystem-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    text-decoration: none;
    text-align: center;
}

.eco-icon {
    width: 70px;
    height: 70px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.ecosystem-card:hover .eco-icon {
    background: var(--brand-yellow);
    color: var(--deep-black);
    border-color: var(--brand-yellow);
    transform: scale(1.1) rotate(-5deg);
}

.eco-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pure-white);
}

.eco-handle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   SECTION: CONTACTO
   ============================================ */
.section-contacto {
    background: var(--deep-black);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.contact-card {
    padding: 2rem;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-main);
    border: 1px solid var(--glass-border);
}

.contact-card:hover {
    border-color: var(--brand-yellow);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--brand-yellow);
    transition: all var(--transition-normal);
}

.contact-card:hover .contact-icon {
    background: var(--brand-yellow);
    color: var(--deep-black);
    border-color: var(--brand-yellow);
}

.contact-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pure-white);
    margin-bottom: 0.5rem;
}

.contact-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact-footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   GLOBAL SCROLL INDICATOR
   ============================================ */
.global-scroll-indicator {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
}

.scroll-dots {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.scroll-dot {
    width: 8px;
    height: 8px;
    background: var(--glass-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.scroll-dot:hover {
    background: var(--text-secondary);
    transform: scale(1.3);
}

.scroll-dot.active {
    background: var(--brand-yellow);
    box-shadow: 0 0 10px var(--brand-yellow-glow);
}

/* ============================================
   PROJECT MODAL
   ============================================ */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow) var(--ease-out-expo);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
}

.modal-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: var(--sidebar-width);
    transform: translateX(50px);
    opacity: 0;
    transition: all var(--transition-slow) var(--ease-out-expo);
    transition-delay: 0.1s;
}

.project-modal.active .modal-container {
    transform: translateX(0);
    opacity: 1;
}

.modal-content {
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--soft-black);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--glass-border);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--brand-yellow);
    color: var(--deep-black);
    border-color: var(--brand-yellow);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.modal-preview {
    aspect-ratio: 16/9;
    border-radius: 16px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-preview-placeholder {
    font-size: 3rem;
    opacity: 0.3;
}

.modal-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.modal-description h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-yellow);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.modal-description p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.modal-meta {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.meta-group h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */

/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow) var(--ease-out-expo);
}

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

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow) var(--ease-out-expo);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --content-padding: 2rem;
        --header-height: 70px;
    }

    .header-nav {
        display: none;
    }

    .services-grid,
    .projects-gallery,
    .ecosystem-grid,
    .contact-options {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .modal-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --content-padding: 1.5rem;
        --sidebar-width: 80px;
    }

    .global-scroll-indicator {
        right: 1rem;
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .contact-options {
        grid-template-columns: 1fr;
    }

    .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        --content-padding: 1rem;
    }

    .services-grid,
    .projects-gallery {
        grid-template-columns: 1fr;
    }

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

    .cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   SECTION: TIMELINE DE PROYECTOS — split panel
   ============================================ */
.section-timeline {
    display: flex;
    align-items: flex-start;
    min-height: 100vh;
    height: auto;
    scroll-snap-align: none;
    background: var(--soft-black);
    padding: 0;
}

/* Panel izquierdo — sticky */
.timeline-left {
    width: 36%;
    min-width: 260px;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    border-right: 1px solid var(--glass-border);
    flex-shrink: 0;
}

.tl-left-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--pure-white);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0.75rem 0 1rem;
}

.tl-left-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Panel derecho — scrolleable con el padre */
.timeline-right {
    flex: 1;
    padding: 5rem 3.5rem 8rem;
    min-width: 0;
}

/* Item de proyecto */
.timeline-item {
    margin-bottom: 5rem;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(1) { transition-delay: 0.05s; }
.timeline-item:nth-child(2) { transition-delay: 0.1s;  }
.timeline-item:nth-child(3) { transition-delay: 0.15s; }
.timeline-item:nth-child(4) { transition-delay: 0.2s;  }
.timeline-item:nth-child(5) { transition-delay: 0.25s; }

/* Fecha */
.tl-date {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* Browser mockup */
.browser-frame {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    margin-bottom: 1.5rem;
    transition: border-color 0.2s ease;
}

.timeline-item:hover .browser-frame {
    border-color: rgba(251, 176, 33, 0.25);
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1rem;
    background: #0d0d0d;
    border-bottom: 1px solid var(--glass-border);
}

.browser-dots {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}

.browser-dots span {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}

.bd-red    { background: #ff5f57; }
.bd-yellow { background: #febc2e; }
.bd-green  { background: #28c840; }

.browser-url {
    flex: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 5px;
    padding: 0.18rem 0.65rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
    max-width: 340px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.iframe-wrapper {
    position: relative;
    /* height la calcula JS según la escala del iframe */
    background: #0a0a0a;
    overflow: hidden;
    min-height: 200px;
}

.iframe-wrapper iframe {
    border: none;
    display: block;
    /* width, height, transform y pointer-events los setea JS */
}

/* Fallback si el sitio bloquea el iframe */
.iframe-fallback {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: #0d0d0d;
    color: var(--text-muted);
}

.iframe-fallback p {
    font-size: 0.8rem;
}

.tl-fallback-link {
    font-size: 0.8rem;
    color: var(--brand-yellow);
    text-decoration: none;
    border-bottom: 1px solid rgba(251, 176, 33, 0.3);
    padding-bottom: 1px;
    transition: border-color 0.2s;
}

.tl-fallback-link:hover {
    border-color: var(--brand-yellow);
}

/* Título como link */
.tl-titulo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 0.6rem;
}

.tl-titulo a {
    color: var(--pure-white);
    text-decoration: none;
    transition: color 0.2s ease;
}

.tl-titulo a:hover {
    color: var(--brand-yellow);
}

.tl-arrow {
    color: var(--brand-yellow);
    font-size: 1.1rem;
    margin-left: 0.2rem;
    display: inline-block;
    transition: transform 0.2s ease;
}

.tl-titulo a:hover .tl-arrow {
    transform: translate(2px, -2px);
}

/* Descripción */
.tl-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 520px;
}

/* ============================================
   RESPONSIVE — TIMELINE
   ============================================ */
@media (max-width: 900px) {
    .section-timeline {
        flex-direction: column;
    }

    .timeline-left {
        position: relative;
        width: 100%;
        height: auto;
        min-height: unset;
        padding: 3.5rem 2rem 2.5rem;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .timeline-right {
        padding: 2.5rem 2rem 5rem;
    }

}

@media (max-width: 480px) {
    .timeline-left {
        padding: 2.5rem 1.25rem 2rem;
    }

    .timeline-right {
        padding: 2rem 1.25rem 4rem;
    }

    .tl-titulo {
        font-size: 1.25rem;
    }
}