/**
 * DARK BEE - Front-end CSS
 * Diseño: Particle Swarm (Idéntico al boceto) + Botones Morphing Hexagons
 * 100% Responsive
 */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ============================================================================
   CSS RESET & VARIABLES
   ============================================================================ */

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

:root {
    /* Colores principales - Idénticos al boceto */
    --gold: #D4AF37;
    --gold-light: #F4D03F;
    --gold-dark: #996515;
    --gold-gradient: linear-gradient(135deg, #F4D03F, #D4AF37, #996515);

    /* Oscuros */
    --dark: #0a0a0a;
    --dark-light: #141414;
    --dark-card: #1a1a1a;

    /* Texto */
    --gray: #888;
    --white: #fff;

    /* Transiciones */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--dark);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
    cursor: auto;
    /* Cursor del sistema siempre visible + cursor personalizado decorativo */
}

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

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

ul,
ol {
    list-style: none;
}

/* ============================================================================
   CUSTOM CURSOR - Idéntico al boceto
   ============================================================================ */

.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gold);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s, opacity 0.3s;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
}

/* ============================================================================
   PARTICLE CANVAS - Full screen como el boceto
   ============================================================================ */

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ============================================================================
   HEADER - Idéntico al boceto
   ============================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 25px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.9) 0%, transparent 100%);
    transition: all 0.4s ease;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 60px;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.logo-icon {
    font-size: 28px;
    color: var(--gold);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav a {
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s;
}

.nav a.active {
    color: var(--white);
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

/* Nav Links with Icons */
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link i {
    font-size: 12px;
    color: var(--gold);
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.3s ease;
}

.nav-link:hover i,
.nav-link.active i {
    opacity: 1;
    transform: translateX(0);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transition: width 0.3s ease;
}

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

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

/* Selector de idioma */
.lang-switch {
    display: flex;
    gap: 8px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-switch a {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.lang-switch a i {
    font-size: 10px;
}

.lang-switch a.active {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.lang-switch a:hover:not(.active) {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* Desktop Login Button */
.desktop-login-btn {
    display: inline-flex;
}

.mobile-login-btn {
    display: none !important;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 101;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* ============================================================================
   BOTONES HEXAGONALES - Morphing Hexagons style
   ============================================================================ */

.btn-hex {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 35px;
    background: var(--gold);
    color: var(--dark);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    clip-path: polygon(5% 0%, 95% 0%, 100% 50%, 95% 100%, 5% 100%, 0% 50%);
    transition: var(--transition-smooth);
}

.btn-hex:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.3);
}

.btn-hex i {
    transition: transform 0.3s;
}

.btn-hex:hover i {
    transform: translateX(5px);
}

.btn-hex.btn-lg {
    padding: 20px 45px;
    font-size: 16px;
}

.btn-hex.btn-sm {
    padding: 12px 28px;
    font-size: 14px;
}

.btn-hex-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 33px;
    background: transparent;
    color: var(--gold);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 2px solid var(--gold);
    cursor: pointer;
    clip-path: polygon(5% 0%, 95% 0%, 100% 50%, 95% 100%, 5% 100%, 0% 50%);
    transition: var(--transition-smooth);
}

.btn-hex-outline:hover {
    background: var(--gold);
    color: var(--dark);
    transform: translateY(-3px);
}

.btn-text {
    color: var(--white);
    font-weight: 500;
    font-size: 14px;
    position: relative;
    padding: 10px 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--white);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.btn-text:hover::after {
    transform: scaleX(1);
}

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

/* ============================================================================
   SECCIONES - Comunes
   ============================================================================ */

section {
    position: relative;
    z-index: 1;
}

.section-header {
    margin-bottom: 60px;
}

.section-tag {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.section-title span {
    color: var(--gold);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin-top: 20px;
}

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

.text-center .section-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.text-center .section-tag::before,
.text-center .section-tag::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--gold);
}

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

/* ============================================================================
   HERO SECTION - Idéntico al boceto
   ============================================================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-tagline {
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.hero-tagline::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.hero-title {
    margin-bottom: 30px;
}

.hero-title,
.hero-title .highlight {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -2px;
}

.hero-title .highlight {
    color: var(--gold);
    display: inline;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

/* ============================================================================
   SERVICES SECTION
   ============================================================================ */

.services-section {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
    border-radius: 0;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    transform: translateX(0);
}

.service-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    margin-bottom: 20px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: var(--gold);
    font-size: 20px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

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

.service-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.service-card:hover .service-title {
    color: var(--gold);
}

.service-desc {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gold);
}

.service-link:hover {
    gap: 12px;
}

/* ============================================================================
   QUOTE SECTION
   ============================================================================ */

.quote-section {
    padding: 120px 60px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
}

.quote-content {
    max-width: 700px;
    margin: 0 auto;
}

.quote-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.quote-desc {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 40px;
}

/* ============================================================================
   PORTFOLIO SECTION
   ============================================================================ */

.portfolio-section {
    padding: 120px 60px;
    background: var(--dark-light);
    position: relative;
    z-index: 1;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10, 10, 10, 0.9) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.4s;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

/* ============================================================================
   BLOG SECTION
   ============================================================================ */

.blog-section {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-card {
    background: var(--dark-card);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.blog-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 25px;
}

.blog-date {
    font-size: 12px;
    color: var(--gold);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color 0.3s;
}

.blog-card:hover .blog-title {
    color: var(--gold);
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 15px;
}

/* ============================================================================
   RESEARCH SECTION
   ============================================================================ */

.research-section {
    padding: 120px 60px;
    background: var(--dark-light);
    position: relative;
    z-index: 1;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.research-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px;
    display: flex;
    gap: 25px;
    transition: var(--transition-smooth);
}

.research-card:hover {
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateY(-5px);
}

.research-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.research-icon i {
    font-size: 24px;
    color: var(--gold);
}

.research-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.research-excerpt {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.research-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

.about-section {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition-smooth);
}

.about-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-10px);
}

.about-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-icon i {
    font-size: 28px;
    color: var(--gold);
}

.about-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--gold);
}

.about-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ============================================================================
   CONTACT SECTION
   ============================================================================ */

.contact-section {
    padding: 120px 60px;
    background: var(--dark-light);
    position: relative;
    z-index: 1;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1100px;
    margin: 40px auto 0;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info>p {
    color: var(--gray);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    width: 45px;
    height: 45px;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}

.contact-item span {
    color: var(--gray);
}

.contact-form {
    background: var(--dark-card);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    background: var(--dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.error-message {
    font-size: 12px;
    color: #ef4444;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ============================================================================
   CLAIMS SECTION
   ============================================================================ */

.claims-section {
    padding: 60px;
    text-align: center;
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.claims-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.claims-desc {
    color: var(--gray);
    margin-bottom: 25px;
}

/* ============================================================================
   STATS SECTION
   ============================================================================ */

.stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    padding: 80px 60px;
    background: var(--dark-light);
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    padding: 80px 60px 30px;
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-col a,
.footer-col span {
    display: block;
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 12px;
}

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

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 16px;
    transition: all 0.3s;
    margin-bottom: 0;
}

.footer-social a:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray);
}

.footer-bottom a {
    color: var(--gold);
}

/* ============================================================================
   ALERTS / MESSAGES
   ============================================================================ */

.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-40 {
    margin-bottom: 40px;
}

/* ============================================================================
   RESPONSIVE - TABLET
   ============================================================================ */

@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .stats {
        flex-wrap: wrap;
        gap: 40px;
    }

    .stat-divider {
        display: none;
    }
}

/* ============================================================================
   RESPONSIVE - MOBILE
   ============================================================================ */

@media (max-width: 768px) {
    body {
        cursor: auto;
    }

    .cursor,
    .cursor-dot {
        display: none;
    }

    .header {
        padding: 20px;
    }

    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--dark-card);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 30px;
        gap: 25px;
        transition: left 0.4s;
        z-index: 999;
    }

    .nav.active {
        left: 0;
    }

    .lang-switch {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px;
        flex-direction: column;
    }

    .hero-title,
    .hero-title .highlight {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .services-section,
    .portfolio-section,
    .blog-section,
    .research-section,
    .about-section,
    .contact-section,
    .quote-section {
        padding: 80px 20px;
    }

    .services-grid,
    .portfolio-grid,
    .blog-grid,
    .research-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer {
        padding: 60px 20px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ============================================================================
   PAGES - Hero & Breadcrumb
   ============================================================================ */

.page-hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 150px 60px 80px;
    text-align: center;
}

.page-hero-content {
    max-width: 800px;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.page-title span {
    color: var(--gold);
}

.page-desc {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.page-breadcrumb {
    padding: 120px 60px 0;
}

.page-breadcrumb a {
    color: var(--gray);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}

.page-breadcrumb a:hover {
    color: var(--gold);
}

/* ============================================================================
   PAGES - Full Grid Styles
   ============================================================================ */

.services-grid-full,
.portfolio-grid-full,
.blog-grid-full {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.service-card-full {
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px;
    transition: all 0.4s ease;
}

.service-card-full:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
}

.service-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-bottom: 25px;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-card-full:hover .service-card-image img {
    transform: scale(1.1);
}

.service-card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    font-size: 28px;
    margin-bottom: 25px;
    transition: all 0.3s;
}

.service-card-full:hover .service-card-icon {
    background: var(--gold);
    color: var(--dark);
}

.service-card-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-card-desc {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

/* ============================================================================
   PAGES - Detail Layout
   ============================================================================ */

.detail-hero {
    padding: 140px 60px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.detail-hero-content .section-tag {
    font-size: 40px;
    margin-bottom: 20px;
}

.detail-hero-image img {
    width: 100%;
    border-radius: 10px;
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
    padding: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.detail-main {
    min-width: 0;
}

.content-block {
    background: var(--dark-card);
    padding: 40px;
    margin-bottom: 30px;
}

.content-block h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--gold);
}

.prose {
    line-height: 1.9;
    color: var(--gray);
}

.prose p {
    margin-bottom: 15px;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-card {
    background: var(--dark-card);
    padding: 25px;
}

.sidebar-card h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    margin-bottom: 12px;
}

.sidebar-list a {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    transition: color 0.3s;
}

.sidebar-list a:hover {
    color: var(--gold);
}

.sidebar-list i {
    width: 20px;
    color: var(--gold);
}

/* ============================================================================
   PAGES - Gallery
   ============================================================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.gallery-item {
    aspect-ratio: 16/10;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ============================================================================
   PAGES - Project Detail
   ============================================================================ */

.project-hero {
    padding: 140px 60px 60px;
}

.project-hero-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: 40px;
}

.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-hero-content {
    max-width: 800px;
}

.project-meta {
    display: flex;
    gap: 30px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.meta-label {
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    font-size: 1rem;
}

/* ============================================================================
   PAGES - Article
   ============================================================================ */

.article-hero {
    padding: 120px 60px 40px;
    max-width: 900px;
    margin: 0 auto;
}

.article-hero-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: 40px;
}

.article-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-meta {
    display: flex;
    gap: 25px;
    margin-top: 20px;
    color: var(--gray);
    font-size: 14px;
}

.article-body {
    background: var(--dark-card);
    padding: 50px;
}

.article-excerpt {
    font-size: 1.2rem;
    color: var(--white);
    line-height: 1.7;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px;
    background: var(--dark-card);
    margin-top: 30px;
}

.article-share a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 18px;
    transition: all 0.3s;
}

.article-share a:hover {
    background: var(--gold);
    color: var(--dark);
    border-color: var(--gold);
}

.sidebar-posts li a {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-posts img {
    width: 60px;
    height: 45px;
    object-fit: cover;
}

.sidebar-post-title {
    display: block;
    font-size: 14px;
    margin-bottom: 3px;
}

.sidebar-post-date {
    font-size: 12px;
    color: var(--gold);
}

/* ============================================================================
   PAGES - About
   ============================================================================ */

.about-section {
    padding: 60px 60px 80px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.about-card {
    background: var(--dark-card);
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.about-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
}

.about-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    font-size: 32px;
    margin: 0 auto 25px;
    border-radius: 50%;
}

.about-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.about-text {
    color: var(--gray);
    line-height: 1.7;
}

.values-section {
    padding: 80px 60px;
    background: var(--dark-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.value-card {
    background: var(--dark-card);
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    color: var(--gold);
    font-size: 28px;
    margin-bottom: 15px;
}

.value-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.value-desc {
    font-size: 14px;
    color: var(--gray);
}

.history-section {
    padding: 80px 60px;
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gold);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--gold);
    border-radius: 50%;
}

.timeline-year {
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--gray);
    font-size: 14px;
}

/* ============================================================================
   PAGES - Contact
   ============================================================================ */

.contact-section {
    padding: 60px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    background: var(--dark-card);
    padding: 40px;
}

.contact-info h3 {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 3px;
}

.contact-item a {
    color: var(--white);
}

.contact-item a:hover {
    color: var(--gold);
}

.contact-social {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--gold);
    color: var(--dark);
    border-color: var(--gold);
}

.contact-form {
    background: var(--dark-card);
    padding: 40px;
}

.contact-form h3 {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--gray);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--gold);
}

.map-section {
    width: 100%;
}

.map-section iframe {
    width: 100%;
    filter: grayscale(100%) invert(90%);
}

/* ============================================================================
   PAGES - Claims Form
   ============================================================================ */

.claims-form-section {
    padding: 60px;
}

.claims-wrapper {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.claims-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--dark-card);
    padding: 25px;
    text-align: center;
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold);
    font-size: 20px;
    margin: 0 auto 15px;
    border-radius: 50%;
}

.info-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.info-card p {
    font-size: 14px;
    color: var(--gray);
}

.claims-form {
    background: var(--dark-card);
    padding: 40px;
}

.claims-form h3 {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 60px;
    color: rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    display: block;
}

/* ============================================================================
   PAGES - Responsive
   ============================================================================ */

@media (max-width: 992px) {
    .page-hero {
        padding: 120px 30px 60px;
    }

    .page-title {
        font-size: 2.5rem;
    }

    .services-grid-full,
    .portfolio-grid-full,
    .blog-grid-full {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 30px;
    }

    .detail-hero {
        grid-template-columns: 1fr;
        padding: 120px 30px 40px;
    }

    .detail-content {
        grid-template-columns: 1fr;
        padding: 40px 30px;
    }

    .contact-wrapper,
    .claims-wrapper {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {

    .services-grid-full,
    .portfolio-grid-full,
    .blog-grid-full {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .project-hero-image {
        height: 250px;
    }

    .article-hero-image {
        height: 250px;
    }
}

/* ============================================================================
   PREMIUM SERVICE CARDS
   ============================================================================ */

.service-card-premium {
    position: relative;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.service-card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    border-width: 2px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 15px rgba(212, 175, 55, 0.6),
        0 0 30px rgba(212, 175, 55, 0.4),
        0 0 45px rgba(212, 175, 55, 0.3),
        0 0 60px rgba(212, 175, 55, 0.2),
        inset 0 0 20px rgba(212, 175, 55, 0.1);
    animation: goldGlow 1.5s ease-in-out infinite;
}

@keyframes goldGlow {

    0%,
    100% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
            0 0 15px rgba(212, 175, 55, 0.6),
            0 0 30px rgba(212, 175, 55, 0.4),
            0 0 45px rgba(212, 175, 55, 0.3),
            0 0 60px rgba(212, 175, 55, 0.2),
            inset 0 0 20px rgba(212, 175, 55, 0.1);
    }

    50% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
            0 0 25px rgba(212, 175, 55, 0.8),
            0 0 50px rgba(212, 175, 55, 0.6),
            0 0 75px rgba(212, 175, 55, 0.4),
            0 0 100px rgba(212, 175, 55, 0.2),
            inset 0 0 30px rgba(212, 175, 55, 0.15);
    }
}

/* Badge */
.service-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 10;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.badge-new {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    color: #fff;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.badge-featured {
    background: linear-gradient(135deg, #F4D03F, #D4AF37);
    color: #0a0a0a;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.badge-popular {
    background: linear-gradient(135deg, #FF6B6B, #EE5A24);
    color: #fff;
    box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
}

/* Image Container */
.service-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.3s ease;
}

.service-card-premium:hover .service-card-image img {
    transform: scale(1.1);
}

/* Overlay with icon */
.service-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            transparent 0%,
            rgba(212, 175, 55, 0.1) 50%,
            rgba(10, 10, 10, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card-premium:hover .service-card-overlay {
    opacity: 1;
}

.service-card-overlay i {
    font-size: 48px;
    color: var(--gold);
    transform: scale(0.5);
    opacity: 0;
    transition: all 0.4s ease 0.1s;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.service-card-premium:hover .service-card-overlay i {
    transform: scale(1);
    opacity: 1;
}

/* Icon Box (when no image) */
.service-card-icon-box {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #1f1f1f, #0f0f0f);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.service-card-icon-box i {
    font-size: 64px;
    color: var(--gold);
    transition: all 0.4s ease;
}

.service-card-premium:hover .service-card-icon-box i {
    transform: scale(1.1) rotate(5deg);
    text-shadow: 0 0 40px rgba(212, 175, 55, 0.5);
}

/* Content */
.service-card-content {
    padding: 25px;
}

.service-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.3s ease;
}

.service-title-icon {
    font-size: 18px;
    color: var(--gold);
    opacity: 0.8;
}

.service-card-premium:hover .service-card-title {
    color: var(--gold);
}

.service-card-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer */
.service-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.service-price {
    font-size: 13px;
    color: var(--gray);
}

.service-price strong {
    font-size: 16px;
    color: var(--gold);
    font-weight: 600;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(212, 175, 55, 0.1);
}

.service-card-link:hover {
    background: var(--gold);
    color: var(--dark);
    transform: translateX(5px);
}

.service-card-link i {
    transition: transform 0.3s ease;
}

.service-card-link:hover i {
    transform: translateX(3px);
}

/* Decorative line */
.service-card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card-premium:hover::before {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {

    .service-card-image,
    .service-card-icon-box {
        height: 160px;
    }

    .service-card-content {
        padding: 20px;
    }

    .service-card-title {
        font-size: 1.1rem;
    }

    .service-card-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}

/* ============================================================================
   PREMIUM PORTFOLIO CARDS
   ============================================================================ */

.portfolio-card-premium {
    position: relative;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    border-width: 2px;
    animation: goldGlow 1.5s ease-in-out infinite;
}

.portfolio-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.portfolio-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card-premium:hover .portfolio-card-image img {
    transform: scale(1.1);
}

.portfolio-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(212, 175, 55, 0.1) 50%, rgba(10, 10, 10, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-card-premium:hover .portfolio-card-overlay {
    opacity: 1;
}

.portfolio-card-overlay i {
    font-size: 48px;
    color: var(--gold);
    transform: scale(0.5);
    opacity: 0;
    transition: all 0.4s ease 0.1s;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.portfolio-card-premium:hover .portfolio-card-overlay i {
    transform: scale(1);
    opacity: 1;
}

.portfolio-card-placeholder {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #1f1f1f, #0f0f0f);
}

.portfolio-card-placeholder i {
    font-size: 64px;
    color: var(--gold);
    opacity: 0.5;
}

.portfolio-card-content {
    padding: 20px;
}

.portfolio-card-category {
    display: inline-block;
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.portfolio-card-premium:hover .portfolio-card-title {
    color: var(--gold);
}

/* ============================================================================
   PREMIUM BLOG CARDS
   ============================================================================ */

.blog-card-premium {
    position: relative;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.blog-card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    border-width: 2px;
    animation: goldGlow 1.5s ease-in-out infinite;
}

.blog-card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card-premium:hover .blog-card-image img {
    transform: scale(1.1);
}

.blog-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(212, 175, 55, 0.1) 50%, rgba(10, 10, 10, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.blog-card-premium:hover .blog-card-overlay {
    opacity: 1;
}

.blog-card-overlay i {
    font-size: 40px;
    color: var(--gold);
    transform: scale(0.5);
    opacity: 0;
    transition: all 0.4s ease 0.1s;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

.blog-card-premium:hover .blog-card-overlay i {
    transform: scale(1);
    opacity: 1;
}

.blog-card-placeholder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #1f1f1f, #0f0f0f);
}

.blog-card-placeholder i {
    font-size: 48px;
    color: var(--gold);
    opacity: 0.5;
}

.blog-card-content {
    padding: 20px;
}

.blog-card-date {
    font-size: 12px;
    color: var(--gray);
    display: block;
    margin-bottom: 10px;
}

.blog-card-date i {
    color: var(--gold);
    margin-right: 5px;
}

.blog-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-premium:hover .blog-card-title {
    color: var(--gold);
}

.blog-card-excerpt {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================================
   PREMIUM RESEARCH CARDS
   ============================================================================ */

.research-card-premium {
    position: relative;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 30px;
    text-align: center;
}

.research-card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    border-width: 2px;
    animation: goldGlow 1.5s ease-in-out infinite;
}

.research-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.research-card-icon i {
    font-size: 32px;
    color: var(--gold);
    transition: all 0.4s;
}

.research-card-premium:hover .research-card-icon {
    background: var(--gold);
    transform: scale(1.1);
}

.research-card-premium:hover .research-card-icon i {
    color: var(--dark);
}

.research-card-content {
    text-align: center;
}

.research-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.research-card-premium:hover .research-card-title {
    color: var(--gold);
}

.research-card-excerpt {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* ============================================================================
   FAQ SECTION - Preguntas Frecuentes
   ============================================================================ */

.faq-section {
    padding: 120px 60px;
    position: relative;
    z-index: 1;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(212, 175, 55, 0.05);
}

.faq-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(153, 101, 21, 0.15));
    border-radius: 10px;
    transition: all 0.3s ease;
}

.faq-icon i {
    font-size: 18px;
    color: var(--gold);
}

.faq-item:hover .faq-icon,
.faq-item.active .faq-icon {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
}

.faq-item:hover .faq-icon i,
.faq-item.active .faq-icon i {
    color: #0a0a0a;
}

.faq-text {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: var(--white);
    line-height: 1.5;
}

.faq-toggle {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.faq-toggle i {
    font-size: 14px;
    color: var(--gray);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    background: var(--gold);
}

.faq-item.active .faq-toggle i {
    color: #0a0a0a;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 25px;
    padding-left: 80px;
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

/* FAQ Responsive */
@media (max-width: 768px) {
    .faq-section {
        padding: 80px 20px;
    }

    .faq-question {
        padding: 15px 20px;
        gap: 12px;
    }

    .faq-icon {
        width: 35px;
        height: 35px;
    }

    .faq-icon i {
        font-size: 14px;
    }

    .faq-text {
        font-size: 14px;
    }

    .faq-answer p {
        padding-left: 67px;
        font-size: 14px;
    }
}

/* ============================================================================
   PREMIUM ABOUT CARDS
   ============================================================================ */

.about-card-premium {
    position: relative;
    background: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 30px;
    text-align: center;
}

.about-card-premium:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    border-width: 2px;
    animation: goldGlow 1.5s ease-in-out infinite;
}

.about-card-icon {
    width: 80px;
    height: 80px;
    margin: 20px auto 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.about-card-icon i {
    font-size: 32px;
    color: var(--gold);
    transition: all 0.4s;
}

.about-card-premium:hover .about-card-icon {
    background: var(--gold);
    transform: scale(1.1);
}

.about-card-premium:hover .about-card-icon i {
    color: var(--dark);
}

.about-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.about-card-premium:hover .about-card-title {
    color: var(--gold);
}

.about-card-text {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* Responsive for premium cards */
@media (max-width: 768px) {

    .portfolio-card-image,
    .portfolio-card-placeholder {
        height: 180px;
    }

    .blog-card-image,
    .blog-card-placeholder {
        height: 150px;
    }

    .research-card-premium,
    .about-card-premium {
        padding: 20px;
    }

    .research-card-icon,
    .about-card-icon {
        width: 60px;
        height: 60px;
    }

    .research-card-icon i,
    .about-card-icon i {
        font-size: 24px;
    }
}

/* ============================================================================
   RESPONSIVE HEADER - Mobile Navigation
   ============================================================================ */

@media (max-width: 1024px) {
    .header {
        padding: 15px 30px;
    }

    .nav {
        gap: 25px;
    }

    .nav-link span {
        display: none;
    }

    .nav-link i {
        opacity: 1;
        transform: translateX(0);
        font-size: 16px;
    }

    .lang-switch {
        margin-left: 15px;
        padding-left: 15px;
    }

    .lang-switch a i {
        display: none;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }

    .logo img {
        height: 40px;
    }

    .nav-toggle {
        display: flex;
    }

    .desktop-login-btn {
        display: none;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 30px 40px;
        gap: 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
        overflow-y: auto;
    }

    .nav.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 18px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-link span {
        display: inline;
    }

    .nav-link i {
        opacity: 1;
        transform: translateX(0);
        font-size: 18px;
        width: 30px;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        padding-left: 10px;
        color: var(--gold);
    }

    .lang-switch {
        width: 100%;
        margin: 20px 0;
        padding: 20px 0;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        justify-content: center;
    }

    .lang-switch a {
        padding: 10px 20px;
    }

    .lang-switch a i {
        display: inline;
    }

    .mobile-login-btn {
        display: inline-flex !important;
        width: 100%;
        justify-content: center;
        margin-top: 20px;
    }
}

/* Mobile menu overlay */
.nav::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: -1;
}

@media (max-width: 768px) {
    .nav.active::before {
        opacity: 1;
        visibility: visible;
    }
}