/* CSS: belarusawards.com - Diseño de Interiores de Lujo */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-primary: #0d0d0d;
    --bg-secondary: #141414;
    --bg-tertiary: #1c1c1c;
    --accent-gold: #c5a880;
    --accent-gold-hover: #dfc59f;
    --accent-bronze: #8c765c;
    --text-light: #f5f5f5;
    --text-gray: #a0a0a0;
    --text-muted: #626262;
    --border-color: rgba(197, 168, 128, 0.12);
    --border-color-hover: rgba(197, 168, 128, 0.3);
    
    /* Layout & Utilities */
    --max-width: 1400px;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-quick: all 0.2s ease;
    --glass-bg: rgba(20, 20, 20, 0.75);
    --glass-blur: blur(12px);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.03em;
}

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

button, input, textarea {
    font-family: var(--font-body);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-bronze);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Reusable Components & Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 4rem;
}

@media (max-width: 992px) {
    .container {
        padding: 0 2rem;
    }
}

.section {
    padding: 8rem 0;
    position: relative;
}

@media (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }
}

/* Section Title Styling */
.section-header {
    margin-bottom: 4.5rem;
    position: relative;
}

.section-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.section-title {
    font-size: 3.5rem;
    line-height: 1.15;
    max-width: 700px;
}

.section-title span {
    font-style: italic;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.1rem 2.2rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: #121212;
    border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-gold);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-text {
    padding: 0;
    background: none;
    border: none;
    color: var(--accent-gold);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-text::after {
    content: '→';
    display: inline-block;
    transition: var(--transition-quick);
}

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

.btn-text:hover::after {
    transform: translateX(6px);
}

/* Reveal on Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    transition: var(--transition-smooth);
}

header.scrolled .container {
    height: 70px;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
    line-height: 1.1;
    color: var(--text-light);
}

.logo-sub {
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--accent-gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    color: var(--text-gray);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-gold);
    transition: var(--transition-smooth);
}

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

.header-cta {
    display: block;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 16px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition-quick);
}

@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 4rem;
        gap: 2.5rem;
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .header-cta {
        display: none;
    }
    
    .menu-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    background-color: #050505;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    transform: scale(1.05);
    animation: zoomOut 20s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes zoomOut {
    to {
        transform: scale(1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 20%, #050505 90%),
                linear-gradient(to bottom, rgba(5,5,5,0.4) 0%, #0d0d0d 100%);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
    width: 100%;
}

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

.hero-tag {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-title {
    font-size: 5rem;
    line-height: 1.05;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-title span {
    font-style: italic;
    font-family: var(--font-heading);
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3.5rem;
    max-width: 600px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 3;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--text-gray);
}

.scroll-indicator span {
    width: 40px;
    height: 1px;
    background-color: var(--border-color);
    display: block;
    position: relative;
    overflow: hidden;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-gold);
    animation: scrollSlide 2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scrollSlide {
    0% { transform: scaleX(0); transform-origin: left; }
    50% { transform: scaleX(1); transform-origin: left; }
    51% { transform: scaleX(1); transform-origin: right; }
    100% { transform: scaleX(0); transform-origin: right; }
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}

/* About / Studio Section */
.studio {
    background-color: var(--bg-primary);
}

.studio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.studio-intro {
    font-size: 2rem;
    font-family: var(--font-heading);
    line-height: 1.35;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.studio-intro span {
    color: var(--accent-gold);
    font-style: italic;
}

.studio-body p {
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.studio-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.stat-item {
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--accent-gold);
    line-height: 1;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-gray);
}

@media (max-width: 992px) {
    .studio-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

/* Services Section */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 3.5rem 2.5rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.service-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.service-num {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-bronze);
    display: block;
    margin-bottom: 2rem;
}

.service-title {
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
}

.service-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Portfolio Section */
.portfolio {
    background-color: var(--bg-primary);
}

.portfolio-filter {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin-bottom: 3.5rem;
}

.filter-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-quick);
}

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

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-gold);
    transition: var(--transition-smooth);
}

.filter-btn:hover::after, .filter-btn.active::after {
    width: 100%;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    grid-column: span 3;
    aspect-ratio: 3/2;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.portfolio-item.large {
    grid-column: span 6;
    aspect-ratio: 16/9;
}

.portfolio-img-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-item:hover .portfolio-img-wrapper img {
    transform: scale(1.05);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    background: linear-gradient(to top, rgba(13,13,13,0.95) 0%, rgba(13,13,13,0.4) 60%, transparent 100%);
    z-index: 2;
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 0.5rem;
}

.portfolio-item-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.portfolio-location {
    font-size: 0.85rem;
    color: var(--text-gray);
    font-style: italic;
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .portfolio-item, .portfolio-item.large {
        grid-column: span 1;
        aspect-ratio: 4/3;
    }
    .portfolio-info {
        opacity: 1;
        transform: translateY(0);
        padding: 1.5rem;
    }
    .portfolio-item-title {
        font-size: 1.5rem;
    }
}

/* Process Section */
.process {
    background-color: var(--bg-secondary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 3.5rem;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--border-color);
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
}

.step-node {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-gold);
    margin-bottom: 3rem;
    box-shadow: 0 0 0 6px rgba(197, 168, 128, 0.2);
    transition: var(--transition-smooth);
}

.process-step:hover .step-node {
    background-color: var(--text-light);
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.1);
}

.step-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.step-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    font-weight: 300;
}

@media (max-width: 992px) {
    .process-steps {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .process-steps::before {
        display: none;
    }
    .step-node {
        margin-bottom: 1.5rem;
    }
}

/* Contact / Call to Action Section */
.contact {
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 6rem;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-lead {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 4rem;
}

.contact-detail-item {
    margin-bottom: 2rem;
}

.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 0.5rem;
}

.detail-value {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 300;
}

.contact-socials {
    display: flex;
    gap: 2rem;
}

.social-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-gray);
}

.social-link:hover {
    color: var(--accent-gold);
}

/* Premium Form Styling */
.contact-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 4.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 2.5rem;
}

.form-group.full-width {
    margin-bottom: 3.5rem;
}

.form-control {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-quick);
}

.form-control:focus {
    border-color: var(--accent-gold);
}

.form-label {
    position: absolute;
    top: 0.8rem;
    left: 0;
    font-size: 0.9rem;
    color: var(--text-gray);
    pointer-events: none;
    transition: var(--transition-quick);
}

.form-control:focus ~ .form-label,
.form-control:not(:placeholder-shown) ~ .form-label {
    top: -1.2rem;
    font-size: 0.75rem;
    color: var(--accent-gold);
    letter-spacing: 0.05em;
}

textarea.form-control {
    min-height: 100px;
    resize: none;
}

.form-status {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    min-height: 1.5rem;
    transition: var(--transition-quick);
}

.form-status.success {
    color: #81c784;
}

.form-status.error {
    color: #e57373;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .contact-form {
        padding: 2.5rem;
    }
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .contact-form {
        padding: 2rem 1.5rem;
    }
}

/* Footer Section */
footer {
    background-color: #080808;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-link {
    color: var(--text-muted);
}

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

@media (max-width: 768px) {
    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}