/*
Theme Name: RST - Región Sur Tamaulipas
Theme URI: https://rstmx.com
Author: RST Planeación
Author URI: https://rstmx.com
Description: Tema WordPress custom para Región Sur Tamaulipas. Industrial cinematográfico, optimizado para rendimiento (LCP <1.5s), SEO-first. Stack: Manrope + Inter + JetBrains Mono + GSAP. Sin dependencias pesadas, sin jQuery.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rst-theme
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, block-patterns, full-site-editing
*/

/* ============================================================
   RST · Design System
   ============================================================ */
:root {
    /* Paleta ampliada */
    --rst-navy-900: #050E1C;
    --rst-navy-800: #0A2540;
    --rst-navy-700: #143556;
    --rst-navy-600: #1E466F;
    --rst-navy-500: #2A5B8A;

    --rst-orange-500: #FF6B35;
    --rst-orange-600: #E55520;
    --rst-orange-400: #FF8A5E;
    --rst-orange-glow: rgba(255, 107, 53, 0.25);

    --rst-gold: #FFB800;
    --rst-steel: #8896A8;

    --rst-bg: #FFFFFF;
    --rst-bg-alt: #F4F6FA;
    --rst-bg-dark: #0A2540;
    --rst-bg-darker: #050E1C;

    --rst-text: #0F1A2E;
    --rst-text-muted: #4A5568;
    --rst-text-light: #718096;
    --rst-text-inverse: #FFFFFF;
    --rst-text-inverse-muted: rgba(255, 255, 255, 0.72);

    --rst-border: #E2E8F0;
    --rst-border-dark: rgba(255, 255, 255, 0.12);

    --rst-font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --rst-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --rst-font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

    --rst-shadow-sm: 0 2px 8px rgba(5, 14, 28, 0.04);
    --rst-shadow-md: 0 8px 24px rgba(5, 14, 28, 0.08);
    --rst-shadow-lg: 0 20px 48px rgba(5, 14, 28, 0.12);
    --rst-shadow-orange: 0 20px 48px rgba(255, 107, 53, 0.25);

    --rst-radius: 4px;
    --rst-radius-lg: 12px;
    --rst-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --rst-ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    --rst-container: 1280px;
    --rst-container-narrow: 960px;
}

/* ============================================================
   RESET Y BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: var(--rst-font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--rst-text);
    background: var(--rst-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--rst-ease);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--rst-font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--rst-navy-800);
    margin: 0 0 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.75rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.02;
}

h2 {
    font-size: clamp(1.875rem, 3.5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h3 { font-size: clamp(1.375rem, 2vw, 1.875rem); }
h4 { font-size: clamp(1.125rem, 1.5vw, 1.375rem); }

p {
    margin: 0 0 1em;
    color: var(--rst-text-muted);
}

.rst-lead {
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
    line-height: 1.55;
    color: var(--rst-text-muted);
    font-weight: 400;
}

.rst-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--rst-font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--rst-orange-500);
    margin-bottom: 20px;
}

.rst-eyebrow::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--rst-orange-500);
}

.rst-eyebrow--light { color: var(--rst-orange-400); }

.rst-heading-line {
    position: relative;
    display: inline-block;
}

.rst-heading-line::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--rst-orange-500);
    transition: width 1s var(--rst-ease) 0.2s;
}

.rst-heading-line.rst-in-view::after { width: 80px; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.rst-container {
    width: 100%;
    max-width: var(--rst-container);
    margin: 0 auto;
    padding: 0 32px;
}

.rst-container--narrow { max-width: var(--rst-container-narrow); }

.rst-section {
    padding: clamp(80px, 10vw, 140px) 0;
    position: relative;
}

.rst-section--tight { padding: clamp(60px, 7vw, 100px) 0; }

.rst-section--dark {
    background: var(--rst-navy-800);
    color: var(--rst-text-inverse);
}

.rst-section--dark h1,
.rst-section--dark h2,
.rst-section--dark h3,
.rst-section--dark h4 { color: var(--rst-text-inverse); }

.rst-section--dark p { color: var(--rst-text-inverse-muted); }

.rst-section--darker {
    background: var(--rst-navy-900);
    color: var(--rst-text-inverse);
}

.rst-section--darker h1,
.rst-section--darker h2,
.rst-section--darker h3 { color: var(--rst-text-inverse); }

.rst-section--darker p { color: var(--rst-text-inverse-muted); }

.rst-section--alt { background: var(--rst-bg-alt); }

/* ============================================================
   BOTONES
   ============================================================ */
.rst-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-family: var(--rst-font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    border-radius: var(--rst-radius);
    cursor: pointer;
    transition: all 0.4s var(--rst-ease);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.rst-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s var(--rst-ease);
}

.rst-btn:hover::before { left: 100%; }

.rst-btn--primary {
    background: var(--rst-orange-500);
    color: #FFFFFF;
    border-color: var(--rst-orange-500);
}

.rst-btn--primary:hover {
    background: var(--rst-orange-600);
    border-color: var(--rst-orange-600);
    transform: translateY(-2px);
    box-shadow: var(--rst-shadow-orange);
    color: #FFFFFF;
}

.rst-btn--outline-light {
    background: transparent;
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.3);
}

.rst-btn--outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #FFFFFF;
    transform: translateY(-2px);
    color: #FFFFFF;
}

.rst-btn--outline-dark {
    background: transparent;
    color: var(--rst-navy-800);
    border-color: var(--rst-navy-800);
}

.rst-btn--outline-dark:hover {
    background: var(--rst-navy-800);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.rst-btn__icon {
    width: 18px;
    height: 18px;
    transition: transform 0.4s var(--rst-ease);
}

.rst-btn:hover .rst-btn__icon { transform: translateX(4px); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.rst-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 37, 64, 0);
    backdrop-filter: blur(0px);
    transition: all 0.4s var(--rst-ease);
    padding: 20px 0;
}

.rst-header--scrolled {
    background: rgba(10, 37, 64, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.rst-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #FFFFFF;
}

.rst-logo__mark {
    width: 44px;
    height: 44px;
    background: var(--rst-orange-500);
    display: grid;
    place-items: center;
    font-family: var(--rst-font-display);
    font-weight: 800;
    font-size: 18px;
    color: #FFFFFF;
    letter-spacing: -0.05em;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.rst-logo__mark::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--rst-navy-900);
}

.rst-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.rst-logo__name {
    font-family: var(--rst-font-display);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: #FFFFFF;
}

.rst-logo__tag {
    font-family: var(--rst-font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rst-orange-400);
}

.rst-nav__menu {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.rst-nav__link {
    font-family: var(--rst-font-display);
    font-weight: 500;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.01em;
    position: relative;
    padding: 4px 0;
    transition: color 0.3s var(--rst-ease);
}

.rst-nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--rst-orange-500);
    transition: width 0.3s var(--rst-ease);
}

.rst-nav__link:hover { color: #FFFFFF; }

.rst-nav__link:hover::after,
.rst-nav__link.current-menu-item::after,
.rst-nav__link.active::after { width: 100%; }

.rst-nav__cta {
    background: var(--rst-orange-500);
    color: #FFFFFF !important;
    padding: 10px 20px;
    border-radius: var(--rst-radius);
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s var(--rst-ease);
    font-family: var(--rst-font-display);
}

.rst-nav__cta:hover {
    background: var(--rst-orange-600);
    transform: translateY(-1px);
}

.rst-nav__cta::after { display: none !important; }

.rst-menu-toggle {
    display: none;
    width: 32px;
    height: 32px;
    padding: 0;
    position: relative;
}

.rst-menu-toggle span {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: #FFFFFF;
    transition: all 0.3s var(--rst-ease);
}

.rst-menu-toggle span:nth-child(1) { top: 8px; }
.rst-menu-toggle span:nth-child(2) { top: 15px; }
.rst-menu-toggle span:nth-child(3) { top: 22px; }

.rst-menu-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 15px; }
.rst-menu-toggle.active span:nth-child(2) { opacity: 0; }
.rst-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 15px; }

@media (max-width: 900px) {
    .rst-nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--rst-navy-900);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 80px 32px 32px;
        transform: translateX(100%);
        transition: transform 0.4s var(--rst-ease);
    }

    .rst-nav__menu.active { transform: translateX(0); }

    .rst-nav__link { font-size: 22px; }

    .rst-menu-toggle { display: block; z-index: 101; }
}

/* ============================================================
   HERO CINEMATOGRÁFICO
   ============================================================ */
.rst-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #FFFFFF;
    padding: 120px 0 80px;
}

.rst-hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.rst-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.08);
    animation: rst-ken-burns 20s var(--rst-ease) infinite alternate;
}

@keyframes rst-ken-burns {
    0% { transform: scale(1.08) translate(0, 0); }
    100% { transform: scale(1.15) translate(-2%, -1%); }
}

.rst-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(5,14,28,0.55) 0%, rgba(5,14,28,0.85) 100%),
        linear-gradient(90deg, rgba(10,37,64,0.7) 0%, transparent 60%);
    z-index: 1;
}

.rst-hero__grain {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' /%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
    opacity: 0.08;
    pointer-events: none;
    mix-blend-mode: overlay;
}

.rst-hero__content {
    position: relative;
    z-index: 3;
    max-width: 980px;
}

.rst-hero__title {
    font-size: clamp(2.75rem, 6.5vw, 5.5rem);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.04em;
    color: #FFFFFF;
    margin-bottom: 32px;
}

.rst-hero__title-word {
    display: inline-block;
    overflow: hidden;
    margin-right: 0.2em;
}

.rst-hero__title-word-inner {
    display: inline-block;
    transform: translateY(110%);
    animation: rst-word-reveal 1s var(--rst-ease-out) forwards;
}

.rst-hero__title-word:nth-child(1) .rst-hero__title-word-inner { animation-delay: 0.3s; }
.rst-hero__title-word:nth-child(2) .rst-hero__title-word-inner { animation-delay: 0.4s; }
.rst-hero__title-word:nth-child(3) .rst-hero__title-word-inner { animation-delay: 0.5s; }
.rst-hero__title-word:nth-child(4) .rst-hero__title-word-inner { animation-delay: 0.6s; }
.rst-hero__title-word:nth-child(5) .rst-hero__title-word-inner { animation-delay: 0.7s; }
.rst-hero__title-word:nth-child(6) .rst-hero__title-word-inner { animation-delay: 0.8s; }
.rst-hero__title-word:nth-child(7) .rst-hero__title-word-inner { animation-delay: 0.9s; }

@keyframes rst-word-reveal {
    to { transform: translateY(0); }
}

.rst-hero__accent { color: var(--rst-orange-500); }

.rst-hero__subtitle {
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.88);
    max-width: 700px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: rst-fade-up 0.8s var(--rst-ease-out) 1.4s forwards;
}

@keyframes rst-fade-up {
    to { opacity: 1; transform: translateY(0); }
}

.rst-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    animation: rst-fade-up 0.8s var(--rst-ease-out) 1.6s forwards;
}

.rst-hero__badges {
    position: absolute;
    bottom: 40px;
    left: 32px;
    right: 32px;
    z-index: 3;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    align-items: center;
    opacity: 0;
    animation: rst-fade-up 0.8s var(--rst-ease-out) 2s forwards;
    max-width: 900px;
}

.rst-hero__badge {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 10px;
}

.rst-hero__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--rst-orange-500);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--rst-orange-500);
}

/* ============================================================
   STATS
   ============================================================ */
.rst-stats {
    background: linear-gradient(180deg, #FFFFFF 0%, var(--rst-bg-alt) 100%);
    position: relative;
    margin-top: -80px;
    z-index: 10;
    padding-bottom: 80px;
}

.rst-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--rst-border);
    border-radius: var(--rst-radius-lg);
    overflow: hidden;
    box-shadow: var(--rst-shadow-lg);
    border: 1px solid var(--rst-border);
}

.rst-stat {
    background: #FFFFFF;
    padding: 48px 32px;
    position: relative;
    transition: background 0.4s var(--rst-ease);
}

.rst-stat:hover { background: var(--rst-bg-alt); }

.rst-stat::before {
    content: '';
    position: absolute;
    top: 48px;
    left: 32px;
    width: 32px;
    height: 2px;
    background: var(--rst-orange-500);
}

.rst-stat__number {
    font-family: var(--rst-font-display);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--rst-navy-800);
    letter-spacing: -0.04em;
    margin: 24px 0 8px;
    font-feature-settings: "tnum";
}

.rst-stat__suffix { color: var(--rst-orange-500); }

.rst-stat__label {
    font-family: var(--rst-font-display);
    font-size: 14px;
    font-weight: 500;
    color: var(--rst-text-muted);
    line-height: 1.4;
}

.rst-stat__desc {
    font-size: 13px;
    color: var(--rst-text-light);
    margin-top: 6px;
    line-height: 1.5;
}

@media (max-width: 900px) { .rst-stats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .rst-stats__grid { grid-template-columns: 1fr; } }

/* ============================================================
   SERVICIOS GRID ASIMÉTRICA
   ============================================================ */
.rst-services-intro {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: end;
    margin-bottom: 80px;
}

@media (max-width: 900px) {
    .rst-services-intro { grid-template-columns: 1fr; gap: 32px; }
}

.rst-services-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.rst-service {
    position: relative;
    min-height: 420px;
    border-radius: var(--rst-radius-lg);
    overflow: hidden;
    background: var(--rst-navy-800);
    cursor: pointer;
    transition: transform 0.6s var(--rst-ease);
    grid-column: span 6;
    text-decoration: none;
    color: #FFFFFF;
}

.rst-service:nth-child(1) { grid-column: span 7; }
.rst-service:nth-child(2) { grid-column: span 5; }
.rst-service:nth-child(3) { grid-column: span 5; }
.rst-service:nth-child(4) { grid-column: span 7; }

@media (max-width: 900px) {
    .rst-service, .rst-service:nth-child(n) { grid-column: span 12; min-height: 340px; }
}

.rst-service__image {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.rst-service__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.0);
    transition: transform 1s var(--rst-ease);
    filter: brightness(0.55) saturate(0.85);
}

.rst-service:hover .rst-service__image img {
    transform: scale(1.08);
    filter: brightness(0.45) saturate(1);
}

.rst-service__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(10,37,64,0.3) 0%, rgba(5,14,28,0.95) 85%);
}

.rst-service__content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #FFFFFF;
    min-height: 420px;
}

.rst-service__number {
    position: absolute;
    top: 32px;
    right: 36px;
    font-family: var(--rst-font-mono);
    font-size: 14px;
    color: var(--rst-orange-400);
    letter-spacing: 0.1em;
}

.rst-service__title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    margin-bottom: 12px;
    color: #FFFFFF;
    transition: transform 0.6s var(--rst-ease);
}

.rst-service:hover .rst-service__title { transform: translateX(6px); }

.rst-service__desc {
    font-size: 15px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
    max-width: 480px;
}

.rst-service__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--rst-font-display);
    font-weight: 600;
    font-size: 14px;
    color: var(--rst-orange-400);
    letter-spacing: 0.02em;
}

.rst-service__cta::after {
    content: '→';
    transition: transform 0.4s var(--rst-ease);
}

.rst-service:hover .rst-service__cta::after { transform: translateX(6px); }

/* ============================================================
   CLIENTES LOGO WALL
   ============================================================ */
.rst-clients {
    padding: 60px 0;
    background: var(--rst-bg-alt);
    border-top: 1px solid var(--rst-border);
    border-bottom: 1px solid var(--rst-border);
    overflow: hidden;
}

.rst-clients__label {
    text-align: center;
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--rst-text-light);
    margin-bottom: 32px;
}

.rst-clients__track {
    display: flex;
    gap: 80px;
    align-items: center;
    animation: rst-scroll-clients 30s linear infinite;
    white-space: nowrap;
    width: max-content;
}

@keyframes rst-scroll-clients {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.rst-clients__track:hover { animation-play-state: paused; }

.rst-client-name {
    font-family: var(--rst-font-display);
    font-weight: 700;
    font-size: 28px;
    color: var(--rst-text-light);
    letter-spacing: -0.02em;
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.3s var(--rst-ease);
}

.rst-client-name:hover {
    opacity: 1;
    color: var(--rst-navy-800);
}

/* ============================================================
   TIMELINE 50 AÑOS
   ============================================================ */
.rst-timeline {
    position: relative;
    padding: 60px 0;
}

.rst-timeline__track {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-50%);
}

.rst-timeline__progress {
    position: absolute;
    top: 50%;
    left: 0;
    height: 2px;
    background: var(--rst-orange-500);
    transform: translateY(-50%);
    width: 0;
    transition: width 1.5s var(--rst-ease);
}

.rst-timeline__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}

.rst-timeline__item {
    text-align: center;
    padding: 32px 20px;
    background: var(--rst-navy-900);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--rst-radius-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--rst-ease);
}

.rst-timeline__item.rst-in-view {
    opacity: 1;
    transform: translateY(0);
}

.rst-timeline__item:nth-child(1) { transition-delay: 0s; }
.rst-timeline__item:nth-child(2) { transition-delay: 0.15s; }
.rst-timeline__item:nth-child(3) { transition-delay: 0.3s; }
.rst-timeline__item:nth-child(4) { transition-delay: 0.45s; }

.rst-timeline__dot {
    width: 16px;
    height: 16px;
    background: var(--rst-orange-500);
    border: 3px solid var(--rst-navy-900);
    border-radius: 50%;
    margin: 0 auto 20px;
    box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.15);
}

.rst-timeline__year {
    font-family: var(--rst-font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--rst-orange-400);
    line-height: 1;
    margin-bottom: 12px;
}

.rst-timeline__title {
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 8px;
}

.rst-timeline__desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

@media (max-width: 700px) {
    .rst-timeline__grid { grid-template-columns: 1fr; }
    .rst-timeline__track { display: none; }
}

/* ============================================================
   PROCESO
   ============================================================ */
.rst-process__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 60px;
    position: relative;
}

@media (max-width: 900px) { .rst-process__steps { grid-template-columns: 1fr; } }

.rst-process__step {
    padding: 40px 32px;
    border-left: 1px solid var(--rst-border);
    position: relative;
    transition: background 0.4s var(--rst-ease);
}

.rst-process__step:first-child { border-left: none; }

@media (max-width: 900px) {
    .rst-process__step {
        border-left: none;
        border-top: 1px solid var(--rst-border);
    }
    .rst-process__step:first-child { border-top: none; }
}

.rst-process__step:hover { background: var(--rst-bg-alt); }

.rst-process__step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--rst-orange-500);
    transition: width 0.5s var(--rst-ease);
}

.rst-process__step:hover::before { width: 100%; }

.rst-process__number {
    font-family: var(--rst-font-mono);
    font-size: 13px;
    color: var(--rst-orange-500);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
}

.rst-process__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--rst-navy-800);
}

.rst-process__desc {
    font-size: 14px;
    color: var(--rst-text-muted);
    line-height: 1.6;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.rst-cta {
    position: relative;
    background: var(--rst-navy-900);
    padding: 120px 0;
    overflow: hidden;
}

.rst-cta__bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 80% 50%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
}

.rst-cta__grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.rst-cta__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.rst-cta__title {
    color: #FFFFFF;
    margin-bottom: 20px;
}

.rst-cta__desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.rst-cta__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.rst-footer {
    background: var(--rst-navy-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.rst-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

@media (max-width: 900px) { .rst-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .rst-footer__grid { grid-template-columns: 1fr; } }

.rst-footer__about p {
    color: rgba(255, 255, 255, 0.65);
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.7;
    max-width: 380px;
}

.rst-footer__heading {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rst-orange-400);
    margin-bottom: 20px;
}

.rst-footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rst-footer__list li { padding: 6px 0; }

.rst-footer__list a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.3s var(--rst-ease);
}

.rst-footer__list a:hover { color: var(--rst-orange-400); }

.rst-footer__bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.rst-footer__legal {
    font-family: var(--rst-font-mono);
    letter-spacing: 0.08em;
}

/* ============================================================
   PAGE HERO (páginas internas)
   ============================================================ */
.rst-page-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    color: #FFFFFF;
    overflow: hidden;
}

.rst-page-hero__media { position: absolute; inset: 0; z-index: 0; }

.rst-page-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rst-page-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(5,14,28,0.9) 0%, rgba(10,37,64,0.6) 100%);
}

.rst-page-hero__content {
    position: relative;
    z-index: 2;
    max-width: 880px;
}

.rst-page-hero h1 {
    color: #FFFFFF;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 24px;
}

.rst-page-hero .rst-lead {
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
}

.rst-breadcrumb {
    display: flex;
    gap: 12px;
    align-items: center;
    font-family: var(--rst-font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 32px;
}

.rst-breadcrumb a { color: var(--rst-orange-400); }

.rst-breadcrumb__sep { opacity: 0.5; }

/* ============================================================
   SERVICE DETAIL (páginas internas)
   ============================================================ */
.rst-service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 80px 0;
    border-bottom: 1px solid var(--rst-border);
}

.rst-service-detail:nth-child(even) .rst-service-detail__media { order: 2; }

@media (max-width: 900px) {
    .rst-service-detail { grid-template-columns: 1fr; gap: 32px; }
    .rst-service-detail:nth-child(even) .rst-service-detail__media { order: 0; }
}

.rst-service-detail__media {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--rst-radius-lg);
    overflow: hidden;
}

.rst-service-detail__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rst-service-detail__number {
    position: absolute;
    top: 20px;
    left: 20px;
    font-family: var(--rst-font-mono);
    font-size: 13px;
    letter-spacing: 0.2em;
    color: #FFFFFF;
    background: var(--rst-orange-500);
    padding: 6px 14px;
    border-radius: 2px;
    z-index: 2;
}

.rst-service-detail__list {
    list-style: none;
    padding: 0;
    margin: 24px 0 32px;
}

.rst-service-detail__list li {
    padding: 14px 0 14px 28px;
    position: relative;
    border-bottom: 1px solid var(--rst-border);
    font-size: 15px;
    color: var(--rst-text);
}

.rst-service-detail__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 2px;
    background: var(--rst-orange-500);
}

/* ============================================================
   PROJECT GRID (proyectos)
   ============================================================ */
.rst-projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.rst-project-card {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--rst-radius-lg);
    overflow: hidden;
    cursor: pointer;
    grid-column: span 6;
    text-decoration: none;
    color: #FFFFFF;
}

.rst-project-card--wide { grid-column: span 8; }
.rst-project-card--narrow { grid-column: span 4; }

@media (max-width: 900px) {
    .rst-project-card,
    .rst-project-card--wide,
    .rst-project-card--narrow { grid-column: span 12; }
}

.rst-project-card__image { position: absolute; inset: 0; }

.rst-project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--rst-ease);
}

.rst-project-card:hover .rst-project-card__image img { transform: scale(1.05); }

.rst-project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(5,14,28,0.95) 100%);
}

.rst-project-card__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    color: #FFFFFF;
    z-index: 2;
}

.rst-project-card__tag {
    display: inline-block;
    font-family: var(--rst-font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 4px 10px;
    background: rgba(255, 107, 53, 0.2);
    color: var(--rst-orange-400);
    border: 1px solid rgba(255, 107, 53, 0.4);
    border-radius: 2px;
    margin-bottom: 12px;
}

.rst-project-card__title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.25;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.rst-project-card__location {
    font-family: var(--rst-font-mono);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.08em;
}

/* ============================================================
   CONTACTO (sedes + form)
   ============================================================ */
.rst-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}

@media (max-width: 900px) {
    .rst-contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

.rst-sedes {
    display: grid;
    gap: 20px;
    margin-top: 40px;
}

.rst-sede {
    padding: 28px;
    background: #FFFFFF;
    border: 1px solid var(--rst-border);
    border-left: 3px solid var(--rst-orange-500);
    border-radius: var(--rst-radius-lg);
    transition: all 0.4s var(--rst-ease);
}

.rst-sede:hover {
    border-left-color: var(--rst-navy-800);
    box-shadow: var(--rst-shadow-md);
    transform: translateX(4px);
}

.rst-sede__tag {
    display: inline-block;
    font-family: var(--rst-font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #FFFFFF;
    background: var(--rst-navy-800);
    padding: 4px 10px;
    border-radius: 2px;
    margin-bottom: 12px;
}

.rst-sede__city {
    font-family: var(--rst-font-display);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--rst-navy-800);
    margin-bottom: 10px;
}

.rst-sede__address {
    font-style: normal;
    color: var(--rst-text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 14px;
}

.rst-sede__email {
    font-family: var(--rst-font-mono);
    font-size: 13px;
    color: var(--rst-orange-500);
}

/* Form */
.rst-form {
    background: #FFFFFF;
    border: 1px solid var(--rst-border);
    border-radius: var(--rst-radius-lg);
    padding: 40px;
    box-shadow: var(--rst-shadow-md);
}

.rst-form__title { font-size: 1.5rem; margin-bottom: 8px; }

.rst-form__desc {
    color: var(--rst-text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}

.rst-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

@media (max-width: 600px) {
    .rst-form__row { grid-template-columns: 1fr; }
}

.rst-form__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.rst-form__label {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--rst-text-muted);
    font-weight: 500;
}

.rst-form__input,
.rst-form__select,
.rst-form__textarea {
    font-family: var(--rst-font-body);
    font-size: 15px;
    padding: 12px 14px;
    background: #FFFFFF;
    border: 1px solid var(--rst-border);
    border-radius: var(--rst-radius);
    color: var(--rst-text);
    transition: all 0.3s var(--rst-ease);
    width: 100%;
}

.rst-form__input:focus,
.rst-form__select:focus,
.rst-form__textarea:focus {
    outline: none;
    border-color: var(--rst-orange-500);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

.rst-form__textarea {
    min-height: 120px;
    resize: vertical;
}

/* Mensajes de éxito/error del form */
.rst-form__message {
    padding: 14px 18px;
    margin-bottom: 20px;
    border-radius: var(--rst-radius);
    font-size: 14px;
}

.rst-form__message--success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.rst-form__message--error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

/* ============================================================
   ÁREAS COBERTURA
   ============================================================ */
.rst-coverage {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

@media (max-width: 900px) { .rst-coverage { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .rst-coverage { grid-template-columns: 1fr; } }

.rst-coverage__item {
    padding: 32px 24px;
    background: #FFFFFF;
    border-radius: var(--rst-radius-lg);
    border: 1px solid var(--rst-border);
    text-align: center;
    transition: all 0.4s var(--rst-ease);
}

.rst-coverage__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--rst-shadow-md);
    border-color: var(--rst-orange-500);
}

.rst-coverage__tag {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rst-orange-500);
    margin-bottom: 12px;
    display: block;
}

.rst-coverage__name {
    font-family: var(--rst-font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--rst-navy-800);
    margin-bottom: 6px;
}

.rst-coverage__desc {
    font-size: 13px;
    color: var(--rst-text-muted);
}

/* ============================================================
   MVV CARDS (página nosotros)
   ============================================================ */
.rst-mvv {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 900px) { .rst-mvv { grid-template-columns: 1fr; } }

.rst-mvv__card {
    background: #FFFFFF;
    padding: 40px 32px;
    border-radius: var(--rst-radius-lg);
    border: 1px solid var(--rst-border);
    border-top: 4px solid var(--rst-orange-500);
}

.rst-mvv__label {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--rst-orange-500);
    margin-bottom: 16px;
    display: block;
}

.rst-mvv__card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.rst-mvv__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rst-mvv__list li {
    padding: 8px 0 8px 24px;
    position: relative;
    font-size: 15px;
    color: var(--rst-text);
}

.rst-mvv__list li::before {
    content: '■';
    position: absolute;
    left: 0;
    color: var(--rst-orange-500);
}

/* ============================================================
   CAPACIDADES TÉCNICAS (página nosotros)
   ============================================================ */
.rst-capacidades {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

@media (max-width: 900px) { .rst-capacidades { grid-template-columns: 1fr; gap: 32px; } }

.rst-capacidad {
    padding: 20px 0 20px 32px;
    position: relative;
    border-bottom: 1px solid var(--rst-border);
    font-size: 16px;
}

.rst-capacidad:last-child { border-bottom: none; }

.rst-capacidad__num {
    position: absolute;
    left: 0;
    top: 22px;
    font-family: var(--rst-font-mono);
    font-weight: 600;
    font-size: 13px;
    color: var(--rst-orange-500);
}

.rst-capacidad__title {
    color: var(--rst-navy-800);
    font-family: var(--rst-font-display);
    font-weight: 600;
}

.rst-capacidad__desc {
    font-size: 14px;
    color: var(--rst-text-muted);
    margin-top: 4px;
}

/* ============================================================
   BLOG
   ============================================================ */
.rst-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

@media (max-width: 900px) { .rst-blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .rst-blog-grid { grid-template-columns: 1fr; } }

.rst-blog-card {
    background: #FFFFFF;
    border-radius: var(--rst-radius-lg);
    overflow: hidden;
    border: 1px solid var(--rst-border);
    transition: all 0.4s var(--rst-ease);
    display: flex;
    flex-direction: column;
}

.rst-blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--rst-shadow-lg);
    border-color: var(--rst-orange-500);
}

.rst-blog-card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.rst-blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--rst-ease);
}

.rst-blog-card:hover .rst-blog-card__image img { transform: scale(1.06); }

.rst-blog-card__content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.rst-blog-card__date {
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--rst-orange-500);
    margin-bottom: 12px;
}

.rst-blog-card__title {
    font-size: 20px;
    line-height: 1.3;
    color: var(--rst-navy-800);
    margin-bottom: 12px;
}

.rst-blog-card__excerpt {
    font-size: 14px;
    color: var(--rst-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.rst-blog-card__link {
    font-family: var(--rst-font-display);
    font-weight: 600;
    font-size: 13px;
    color: var(--rst-orange-500);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.rst-blog-card__link::after {
    content: '→';
    transition: transform 0.3s var(--rst-ease);
}

.rst-blog-card:hover .rst-blog-card__link::after { transform: translateX(4px); }

/* Single post */
.rst-single {
    padding: 140px 0 80px;
    max-width: 780px;
    margin: 0 auto;
}

.rst-single__header { margin-bottom: 48px; }

.rst-single__meta {
    font-family: var(--rst-font-mono);
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--rst-orange-500);
    margin-bottom: 16px;
}

.rst-single__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--rst-navy-800);
    margin-bottom: 20px;
}

.rst-single__image {
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--rst-radius-lg);
    margin-bottom: 40px;
}

.rst-single__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rst-single__content {
    font-size: 17px;
    line-height: 1.75;
    color: var(--rst-text);
}

.rst-single__content h2 {
    margin-top: 48px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--rst-border);
}

.rst-single__content h3 { margin-top: 32px; }

.rst-single__content p { margin-bottom: 1.5em; color: var(--rst-text); }

.rst-single__content a {
    color: var(--rst-orange-500);
    border-bottom: 1px solid var(--rst-orange-500);
}

.rst-single__content ul,
.rst-single__content ol {
    padding-left: 24px;
    margin-bottom: 1.5em;
}

.rst-single__content li { margin-bottom: 8px; }

.rst-single__content blockquote {
    border-left: 4px solid var(--rst-orange-500);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--rst-bg-alt);
    font-style: italic;
}

/* ============================================================
   SCROLL REVEAL UTILITIES
   ============================================================ */
.rst-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--rst-ease), transform 0.8s var(--rst-ease);
}

.rst-reveal.rst-in-view {
    opacity: 1;
    transform: translateY(0);
}

.rst-reveal--delay-1 { transition-delay: 0.1s; }
.rst-reveal--delay-2 { transition-delay: 0.2s; }
.rst-reveal--delay-3 { transition-delay: 0.3s; }

.rst-reveal-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--rst-ease), transform 0.6s var(--rst-ease);
}

.rst-reveal-stagger.rst-in-view > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.rst-reveal-stagger.rst-in-view > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.rst-reveal-stagger.rst-in-view > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.rst-reveal-stagger.rst-in-view > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.rst-reveal-stagger.rst-in-view > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.rst-reveal-stagger.rst-in-view > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .rst-hero__image { animation: none; }
}

/* Focus visible accesible */
:focus-visible {
    outline: 2px solid var(--rst-orange-500);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    padding: 12px 20px;
    background: var(--rst-navy-800);
    color: #FFFFFF;
    font-weight: 600;
}

.skip-link:focus { left: 0; }

/* ============================================================
   RESPONSIVE GENERAL
   ============================================================ */
@media (max-width: 700px) {
    .rst-container { padding: 0 20px; }
    .rst-services-grid { gap: 16px; }
    .rst-service__content { padding: 28px 24px; }
    .rst-hero__actions { flex-direction: column; align-items: flex-start; }
    .rst-hero__actions .rst-btn { width: 100%; justify-content: center; }
    .rst-hero__badges { gap: 20px; position: static; margin-top: 40px; }
}

/* WordPress alignments */
.alignleft { float: left; margin-right: 1.5em; }
.alignright { float: right; margin-left: 1.5em; }
.aligncenter { display: block; margin: 0 auto; }
.alignwide { max-width: 1100px; margin: 0 auto; }
.alignfull { max-width: 100%; }

/* WP admin bar compatibility */
body.admin-bar .rst-header { top: 32px; }
@media (max-width: 782px) { body.admin-bar .rst-header { top: 46px; } }

/* ============================================================
   PROYECTOS · GALERIA INTERACTIVA + LIGHTBOX
   (added 2026-05-20 - archive-proyecto.php)
   ============================================================ */

/* ---- Hero stats ---- */
.rst-proyectos-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 48px;
    max-width: 760px;
}
.rst-proyectos-stat {
    padding: 18px 20px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--rst-radius-lg);
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--rst-ease);
}
.rst-proyectos-stat:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--rst-orange-500);
    transform: translateY(-3px);
}
.rst-proyectos-stat__num {
    display: block;
    font-family: var(--rst-font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--rst-orange-500);
    letter-spacing: -0.02em;
}
.rst-proyectos-stat__label {
    display: block;
    margin-top: 8px;
    font-family: var(--rst-font-mono);
    font-size: 11px;
    line-height: 1.4;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.78);
}
@media (max-width: 700px) {
    .rst-proyectos-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .rst-proyectos-stat { padding: 14px 16px; }
}

/* ---- Filtros ---- */
.rst-galeria-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 40px 0 48px;
    padding: 6px;
    background: var(--rst-bg-alt);
    border-radius: 999px;
    width: fit-content;
    max-width: 100%;
}
.rst-filtro {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--rst-text-muted);
    font-family: var(--rst-font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.3s var(--rst-ease);
    white-space: nowrap;
}
.rst-filtro:hover {
    color: var(--rst-navy-800);
    background: rgba(10, 37, 64, 0.05);
}
.rst-filtro.is-active {
    background: var(--rst-navy-800);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(10, 37, 64, 0.25);
}
.rst-filtro.is-active .rst-filtro__count {
    background: var(--rst-orange-500);
    color: #FFFFFF;
}
.rst-filtro__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 20px;
    padding: 0 7px;
    background: rgba(10, 37, 64, 0.08);
    color: var(--rst-navy-800);
    border-radius: 999px;
    font-family: var(--rst-font-mono);
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}

/* ---- Galeria card (extiende rst-project-card) ---- */
.rst-galeria-card {
    background: var(--rst-navy-900);
    border: none;
    padding: 0;
    font-family: inherit;
    text-align: left;
    color: inherit;
    width: 100%;
    transition: transform 0.5s var(--rst-ease), box-shadow 0.5s var(--rst-ease);
}
.rst-galeria-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--rst-shadow-orange);
}
.rst-galeria-card:focus-visible {
    outline: 3px solid var(--rst-orange-500);
    outline-offset: 4px;
}
.rst-galeria-card.is-hidden { display: none; }

.rst-galeria-card .rst-project-card__overlay {
    background: linear-gradient(180deg, transparent 30%, rgba(5,14,28,0.5) 60%, rgba(5,14,28,0.96) 100%);
}

.rst-galeria-card__cta {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    color: var(--rst-navy-800);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.6) rotate(-15deg);
    transition: all 0.4s var(--rst-ease);
    z-index: 3;
    box-shadow: var(--rst-shadow-md);
}
.rst-galeria-card:hover .rst-galeria-card__cta {
    opacity: 1;
    transform: scale(1) rotate(0);
}
.rst-galeria-card__cta svg { width: 22px; height: 22px; }

.rst-galeria-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
    font-family: var(--rst-font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.75);
    text-transform: uppercase;
}
.rst-galeria-card__sector { font-weight: 500; }
.rst-galeria-card__fotos {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 999px;
    backdrop-filter: blur(6px);
    color: #FFFFFF;
    font-weight: 600;
}
.rst-galeria-card__fotos svg { width: 12px; height: 12px; }

.rst-galeria-nota {
    margin-top: 64px;
    padding: 24px 28px;
    background: var(--rst-bg-alt);
    border-left: 3px solid var(--rst-orange-500);
    border-radius: 8px;
}
.rst-galeria-nota p {
    margin: 0;
    font-size: 14px;
    color: var(--rst-text-muted);
}
.rst-galeria-nota strong { color: var(--rst-navy-800); }

/* ---- LIGHTBOX ---- */
.rst-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(5, 14, 28, 0.97);
    backdrop-filter: blur(14px);
    display: none;
    opacity: 0;
    transition: opacity 0.3s var(--rst-ease);
    color: #FFFFFF;
}
.rst-lightbox.is-open {
    display: grid;
    grid-template-areas:
        "header header header"
        "prev   stage  next"
        "thumbs thumbs thumbs";
    grid-template-columns: 90px 1fr 90px;
    grid-template-rows: auto 1fr auto;
    opacity: 1;
}
body.rst-lightbox-open { overflow: hidden; }

.rst-lightbox__close {
    position: fixed;
    top: 22px;
    right: 22px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.18);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s var(--rst-ease);
}
.rst-lightbox__close:hover {
    background: var(--rst-orange-500);
    border-color: var(--rst-orange-500);
    transform: rotate(90deg);
}
.rst-lightbox__close svg { width: 22px; height: 22px; }

.rst-lightbox__header {
    grid-area: header;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 88px 24px 36px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(180deg, rgba(0,0,0,0.55), transparent);
}
.rst-lightbox__meta {
    min-width: 0;
    max-width: 70%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rst-lightbox__tag {
    display: inline-flex;
    align-self: flex-start;
    font-family: var(--rst-font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 5px 12px;
    background: rgba(255, 107, 53, 0.18);
    color: var(--rst-orange-400);
    border: 1px solid rgba(255, 107, 53, 0.4);
    border-radius: 2px;
}
.rst-lightbox__title {
    font-family: var(--rst-font-display);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.rst-lightbox__desc {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255,255,255,0.7);
    margin: 0;
    max-width: 56ch;
}
.rst-lightbox__counter {
    font-family: var(--rst-font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.75);
    padding: 8px 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
}

.rst-lightbox__stage {
    grid-area: stage;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.rst-lightbox__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--rst-radius-lg);
    box-shadow: 0 24px 64px rgba(0,0,0,0.5);
    animation: rstLightboxIn 0.35s var(--rst-ease);
}
@keyframes rstLightboxIn {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}
.rst-lightbox__spinner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.15);
    border-top-color: var(--rst-orange-500);
    border-radius: 50%;
    animation: rstSpin 0.8s linear infinite;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--rst-ease);
}
.rst-lightbox.is-loading .rst-lightbox__spinner { opacity: 1; }
@keyframes rstSpin { to { transform: rotate(360deg); } }

.rst-lightbox__nav {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    align-self: center;
    justify-self: center;
    transition: all 0.3s var(--rst-ease);
}
.rst-lightbox__nav:hover:not(:disabled) {
    background: var(--rst-orange-500);
    border-color: var(--rst-orange-500);
    transform: scale(1.1);
}
.rst-lightbox__nav:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}
.rst-lightbox__nav svg { width: 28px; height: 28px; }
.rst-lightbox__nav--prev { grid-area: prev; }
.rst-lightbox__nav--next { grid-area: next; }

.rst-lightbox__thumbs {
    grid-area: thumbs;
    display: flex;
    gap: 10px;
    padding: 18px 36px 28px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}
.rst-lightbox__thumbs::-webkit-scrollbar { height: 8px; }
.rst-lightbox__thumbs::-webkit-scrollbar-track { background: transparent; }
.rst-lightbox__thumbs::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
}
.rst-lightbox__thumb {
    flex: 0 0 88px;
    height: 64px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    background: var(--rst-navy-800);
    opacity: 0.55;
    transition: all 0.3s var(--rst-ease);
}
.rst-lightbox__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}
.rst-lightbox__thumb:hover { opacity: 0.85; transform: translateY(-2px); }
.rst-lightbox__thumb.is-current {
    opacity: 1;
    border-color: var(--rst-orange-500);
    box-shadow: 0 0 0 1px var(--rst-orange-500), 0 6px 20px rgba(255,107,53,0.35);
}

/* ---- Responsive lightbox ---- */
@media (max-width: 900px) {
    .rst-lightbox.is-open {
        grid-template-columns: 56px 1fr 56px;
    }
    .rst-lightbox__header {
        padding: 18px 70px 16px 20px;
    }
    .rst-lightbox__desc { display: none; }
    .rst-lightbox__title { font-size: 16px; }
    .rst-lightbox__nav { width: 44px; height: 44px; }
    .rst-lightbox__nav svg { width: 22px; height: 22px; }
    .rst-lightbox__thumbs { padding: 14px 20px 20px; }
    .rst-lightbox__thumb { flex: 0 0 64px; height: 48px; }
}
@media (max-width: 600px) {
    .rst-lightbox.is-open {
        grid-template-areas:
            "header header header"
            "stage stage stage"
            "prev counter next"
            "thumbs thumbs thumbs";
        grid-template-rows: auto 1fr auto auto;
    }
    .rst-lightbox__counter {
        grid-area: counter;
        align-self: center;
        justify-self: center;
    }
    .rst-lightbox__header .rst-lightbox__counter {
        display: none;
    }
    .rst-galeria-card__cta { width: 38px; height: 38px; top: 16px; right: 16px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .rst-galeria-card,
    .rst-galeria-card__cta,
    .rst-lightbox__image,
    .rst-lightbox__nav,
    .rst-lightbox__close {
        transition: none !important;
        animation: none !important;
    }
}