:root {
    /* Colors - Premium Gold & Ink Theme */
    --bg-primary: #050505;
    --bg-secondary: #0a0a0b;
    --accent-gold: #c5a059;
    --accent-gold-bright: #e2b05e;
    --text-main: #ffffff;
    --text-dim: #a1a1aa;
    --glass-bg: rgba(10, 10, 11, 0.7);
    --glass-border: rgba(197, 160, 89, 0.1);
    
    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Effects */
    --glow-gold: 0 0 30px rgba(197, 160, 89, 0.2);
    --transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background Glows & Canvas */
.bg-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    z-index: -1;
    overflow: hidden;
}

#neural-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.6;
}

.glow-bubble {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: move-glow 20s infinite alternate;
}

@keyframes move-glow {
    from { transform: translate(-20%, -20%) scale(1); }
    to { transform: translate(20%, 20%) scale(1.2); }
}

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

ul {
    list-style: none;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-transform: none;
    color: var(--accent-gold);
}

.logo span {
    color: var(--text-main);
}

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

.nav-links a {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--accent-gold);
}

.btn-contact {
    background: var(--accent-gold);
    color: var(--bg-primary) !important;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 700 !important;
}

.btn-contact:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-gold);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding-top: 180px;
    padding-bottom: 80px;
}

.hero-split {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-content {
    max-width: 100%;
    position: relative;
    z-index: 2;
}

.hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-orb {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(197, 160, 89, 0.3));
    animation: float 6s ease-in-out infinite;
    mix-blend-mode: screen;
    -webkit-mask-image: radial-gradient(circle at center, black 45%, transparent 72%);
    mask-image: radial-gradient(circle at center, black 45%, transparent 72%);
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
    100% { transform: translateY(0px); }
}

.cursor-blink {
    display: inline-block;
    width: 4px;
    height: 1em;
    background-color: var(--accent-gold);
    margin-left: 5px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--accent-gold);
    margin-bottom: 24px;
    text-transform: uppercase;
    padding: 8px 16px;
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    background: rgba(197, 160, 89, 0.05);
}

.hero-title {
    font-size: clamp(35px, 6vw, 75px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 25px;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--text-dim);
    margin-bottom: 50px;
    max-width: 650px;
    line-height: 1.4;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 18px 40px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1.5px;
    transition: var(--transition);
    text-transform: uppercase;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-gold);
}

.btn-secondary {
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.hero-scroll {
    position: absolute;
    bottom: 50px;
    left: 40px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-dim);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    transform: rotate(90deg);
    transform-origin: left bottom;
}

/* Sections */
section {
    padding: 150px 0;
}

.section-title {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -3px;
    margin-bottom: 80px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.section-title::after {
    content: '';
    height: 1px;
    flex-grow: 1;
    background: linear-gradient(to right, var(--accent-gold), transparent);
}

/* Projects Carousel */
.flex-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
}

.carousel-progress-wrap {
    margin-bottom: 28px;
}

.carousel-progress {
    height: 4px;
    border-radius: 4px;
    background: rgba(197, 160, 89, 0.12);
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    width: 0%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-bright));
    box-shadow: 0 0 12px rgba(197, 160, 89, 0.35);
}

.mb-0 {
    margin-bottom: 0 !important;
}

.carousel-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.carousel-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.carousel-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
    transform: scale(1.1);
}

.carousel-btn:disabled {
    opacity: 0.3;
    pointer-events: none;
}

.carousel-dots {
    display: flex;
    gap: 12px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-border);
    transition: var(--transition);
}

.dot.active {
    background: var(--accent-gold);
    transform: scale(1.3);
}

.projects-carousel {
    overflow: hidden;
    position: relative;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    background: var(--bg-secondary);
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.carousel-item {
    min-width: 100%;
    padding: 60px;
    box-sizing: border-box;
}

.carousel-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.accordion-number {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-gold);
    opacity: 0.5;
    margin-bottom: 15px;
    display: block;
}

.carousel-text h3 {
    font-size: clamp(30px, 4vw, 45px);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.carousel-text p {
    font-size: 18px;
    color: var(--text-dim);
    margin-bottom: 30px;
    line-height: 1.6;
}

.carousel-image {
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    position: relative;
}

.gallery-scroll-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    width: 100%;
    height: 100%;
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
}

.gallery-scroll-container::-webkit-scrollbar {
    display: none;
}

.gallery-scroll-container img {
    scroll-snap-align: start;
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s ease;
}

.carousel-item:hover .gallery-scroll-container img {
    transform: scale(1.05);
}

.mt-30 {
    margin-top: 30px;
    display: inline-block;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    background: rgba(197, 160, 89, 0.1);
    color: var(--accent-gold);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid var(--glass-border);
    text-transform: uppercase;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: flex-start;
}

.about-text p {
    font-size: 20px;
    color: var(--text-dim);
    margin-bottom: 30px;
    line-height: 1.6;
}

.about-skills h3 {
    margin-bottom: 30px;
    font-weight: 800;
    color: var(--accent-gold);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.skill {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    padding: 12px 24px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.skill:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    transform: scale(1.1);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-10px);
    box-shadow: var(--glow-gold);
}

.service-icon {
    font-size: 40px;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-dim);
    font-size: 15px;
    line-height: 1.5;
}

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

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
}

.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
}

.faq-header h3 {
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 600;
}

.faq-icon {
    font-size: 24px;
    color: var(--accent-gold);
    transition: transform 0.4s ease;
}

.faq-content {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.faq-inner {
    padding: 0 30px 30px;
    color: var(--text-dim);
    line-height: 1.6;
    font-size: 16px;
}

.faq-item.active .faq-content {
    opacity: 1;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* Footer */
.footer {
    background: #000;
    padding: 150px 0 60px;
    border-top: 1px solid var(--glass-border);
}

.footer-cta {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 120px;
}

.footer-cta h2 {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 800;
    letter-spacing: -4px;
    margin-bottom: 30px;
}

.footer-cta p {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--text-dim);
    margin-bottom: 40px;
}

/* Contact form (footer) — alineado al tema oro / cristal */
.contact-form-card {
    max-width: 560px;
    margin: 0 auto;
    padding: 32px 28px 36px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    text-align: left;
}

.contact-input {
    width: 100%;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 14px 16px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-input::placeholder {
    color: var(--text-dim);
    opacity: 0.75;
}

.contact-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 1px rgba(197, 160, 89, 0.45);
}

.contact-input-full {
    margin-bottom: 14px;
}

.contact-textarea {
    min-height: 140px;
    resize: vertical;
    margin-bottom: 28px;
    line-height: 1.5;
}

.contact-form-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.contact-btn-primary {
    background: var(--accent-gold);
    color: var(--bg-primary) !important;
}

.contact-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--glow-gold);
}

.contact-btn-secondary {
    background: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
}

.contact-btn-secondary:hover {
    background: rgba(197, 160, 89, 0.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: #444;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.back-to-top {
    color: var(--accent-gold);
    font-size: 20px;
}

/* Animations Trigger */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 10px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    padding: 4px 2px;
    transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--accent-gold);
}

.lang-sep {
    color: var(--glass-border);
    font-size: 13px;
}

/* Mobile Responsiveness */
@media (max-width: 968px) {
    .flex-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        margin-bottom: 40px;
    }

    .carousel-item {
        padding: 40px 30px;
    }

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

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-split {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

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

    .hero-visual {
        order: -1;
    }

    .floating-orb {
        max-width: 300px;
    }
    
    .hero-scroll {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 25px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 40px;
        line-height: 1.1;
    }
    
    section {
        padding: 100px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-form-card {
        padding: 24px 20px 28px;
    }

    .contact-form-actions {
        flex-direction: column;
    }

    .contact-btn {
        width: 100%;
    }
}