/* ══════════════════════════════════════════════
   CHE'JUM — Premium Dark Theme Stylesheet
   ══════════════════════════════════════════════ */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --red-accent: #c0392b;
    --red-dark: #962d22;
    --red-banner: #8b1a1a;
    --white: #ffffff;
    --grey-100: #f2f2f2;
    --grey-300: #b0b0b0;
    --grey-500: #777777;
    --grey-700: #444444;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.6);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--grey-100);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
}

/* ── Animations Init (Hidden — only when JS is active) ── */
body.js-loaded .animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
}

body.js-loaded .animate-on-scroll[data-animation="zoomIn"] {
    opacity: 0;
    transform: scale(0.85);
}

body.js-loaded .hero-text,
body.js-loaded .logo-link,
body.js-loaded .nav-link,
body.js-loaded .hero-scroll-indicator {
    opacity: 0;
}

/* ══════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 0;
    background: transparent;
    transition: background var(--transition-smooth), padding var(--transition-smooth), box-shadow var(--transition-smooth);
}

.site-header.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.logo-text-brand {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.15rem;
    letter-spacing: 2px;
    color: var(--white);
    display: inline;
}

.main-nav {
    display: flex;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--grey-300);
    letter-spacing: 0.5px;
    position: relative;
    transition: color var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--red-accent);
    transition: width var(--transition-smooth);
}

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

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════════════
   HERO SECTION — Spotify-Style Video Banner
   ══════════════════════════════════════════════ */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
}

/* ── Background Video ── */
.hero-video-wrapper {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg,
            rgba(10, 10, 10, 0.55) 0%,
            rgba(10, 10, 10, 0.25) 40%,
            rgba(10, 10, 10, 0.45) 70%,
            rgba(10, 10, 10, 0.92) 100%),
        linear-gradient(90deg,
            rgba(10, 10, 10, 0.7) 0%,
            transparent 60%);
    pointer-events: none;
}

/* ── Hero Content ── */
.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 60px;
    padding-top: 80px;
}

.hero-text {
    max-width: 680px;
}

/* Badge */
.hero-badge {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--red-accent);
    background: rgba(192, 57, 43, 0.12);
    border: 1px solid rgba(192, 57, 43, 0.3);
    padding: 8px 18px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.05;
    letter-spacing: -0.5px;
}

.title-line {
    display: block;
    perspective: 600px;
}

.title-line.accent {
    color: var(--red-accent);
}

.title-line.accent .char {
    background: linear-gradient(90deg, var(--red-accent) 0%, #e74c3c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 520px;
    font-weight: 300;
}

/* ── Action Buttons ── */
.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: var(--red-accent);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 16px 36px;
    border-radius: 50px;
    border: 2px solid var(--red-accent);
    transition: background var(--transition-smooth), transform 0.3s ease, box-shadow var(--transition-smooth);
    cursor: pointer;
}

.btn-primary:hover {
    background: #e74c3c;
    border-color: #e74c3c;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(192, 57, 43, 0.4);
}

.btn-secondary-outline {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--white);
    padding: 16px 36px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: background var(--transition-smooth), border-color var(--transition-smooth), transform 0.3s ease;
    cursor: pointer;
}

.btn-secondary-outline:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* ── Scroll Indicator ── */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-text {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--red-accent);
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0% {
        top: -100%;
    }

    50% {
        top: 100%;
    }

    100% {
        top: 100%;
    }
}

/* ══════════════════════════════════════════════
   TRABAJOS DESTACADOS
   ══════════════════════════════════════════════ */
.trabajos-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 60px;
    letter-spacing: 0.5px;
}

.trabajos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    perspective: 1000px;
}

.trabajo-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transform-style: preserve-3d;
    will-change: transform, opacity;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.trabajo-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(192, 57, 43, 0.3);
}

.trabajo-img-wrapper {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.trabajo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.6s ease;
}

.trabajo-card:hover .trabajo-img {
    transform: scale(1.08);
}

.trabajo-info {
    padding: 20px 24px;
    background: linear-gradient(180deg, var(--red-accent) 0%, var(--red-dark) 100%);
}

.trabajo-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--white);
    margin-bottom: 12px;
}

.btn-detail {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--white);
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50px;
    transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

.btn-detail:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
}

/* ══════════════════════════════════════════════
   MUESTRARIO DE MATERIALES
   ══════════════════════════════════════════════ */
.muestrario-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.muestrario-label {
    display: block;
    text-align: center;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--red-accent);
    margin-bottom: 12px;
}

.muestrario-subtitle {
    text-align: center;
    font-size: 1rem;
    color: var(--grey-300);
    font-weight: 300;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 60px;
}

.muestrario-title {
    perspective: 800px;
}

.muestrario-char {
    display: inline-block;
    will-change: transform, opacity;
}

.muestrario-word {
    display: inline-block;
    will-change: transform, opacity;
}

.muestrario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.material-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.material-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(192, 57, 43, 0.25);
}

.material-swatch {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    cursor: pointer;
}

.material-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.material-card:hover .material-img {
    transform: scale(1.08);
}

.material-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-smooth);
    pointer-events: none;
}

.material-card:hover .material-overlay {
    background: rgba(0, 0, 0, 0.25);
}

.material-zoom-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: rgba(192, 57, 43, 0.85);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.6);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.material-zoom-icon svg {
    width: 22px;
    height: 22px;
}

.material-card:hover .material-zoom-icon {
    opacity: 1;
    transform: scale(1);
}

.material-info {
    padding: 20px 24px;
}

.material-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.material-code {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--grey-500);
    letter-spacing: 0.5px;
}

/* ══════════════════════════════════════════════
   NUESTRA FILOSOFÍA
   ══════════════════════════════════════════════ */
.filosofia-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.filosofia-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.filosofia-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 40px 28px;
    text-align: center;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.filosofia-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(192, 57, 43, 0.25);
}

.filosofia-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    color: var(--red-accent);
    transition: transform var(--transition-smooth);
}

.filosofia-card:hover .filosofia-icon {
    transform: scale(1.1);
}

.filosofia-icon svg {
    width: 100%;
    height: 100%;
}

.filosofia-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.filosofia-desc {
    font-size: 0.88rem;
    color: var(--grey-300);
    line-height: 1.7;
    font-weight: 300;
}

/* ══════════════════════════════════════════════
   CTA SECTION
   ══════════════════════════════════════════════ */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--red-banner) 0%, var(--red-accent) 60%, var(--red-dark) 100%);
    text-align: center;
}

.cta-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-cta {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--bg-primary);
    background: var(--white);
    padding: 14px 38px;
    border-radius: 50px;
    border: 2px solid var(--white);
    transition: background var(--transition-smooth), color var(--transition-smooth), transform 0.3s ease;
    cursor: pointer;
}

.btn-cta:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-2px);
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
.site-footer {
    background: var(--bg-primary);
    padding: 60px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.2fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: 3px;
    color: var(--white);
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.footer-link {
    display: block;
    font-size: 0.88rem;
    color: var(--grey-300);
    margin-bottom: 10px;
    transition: color var(--transition-smooth);
}

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

.footer-info {
    font-size: 0.85rem;
    color: var(--grey-300);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 300;
}

.footer-info .footer-link {
    display: inline;
    margin-bottom: 0;
}

.footer-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--grey-500);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social .footer-icon {
    width: 18px;
    height: 18px;
    color: var(--grey-300);
    transition: color var(--transition-smooth);
}

.footer-social:hover .footer-icon {
    color: var(--white);
}

.footer-hours {
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--grey-500);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 40px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--grey-500);
}

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 992px) {
    .hero-container {
        padding: 0 40px;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

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

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .header-container {
        padding: 0 20px;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        transition: right var(--transition-smooth);
        z-index: 999;
    }

    .main-nav.open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .hero-section {
        min-height: 100vh;
    }

    .section-container,
    .hero-container {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-badge {
        font-size: 0.6rem;
        letter-spacing: 2px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-secondary-outline {
        width: 100%;
        text-align: center;
    }

    .hero-scroll-indicator {
        bottom: 20px;
    }

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

    .trabajo-img-wrapper {
        height: 200px;
    }

    .muestrario-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        justify-content: center;
    }

    .footer-info {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .inspiracion-banner {
        padding: 32px 20px;
    }

    .cta-section {
        padding: 70px 20px;
    }

    .footer-bottom {
        padding: 16px 20px;
    }
}