/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   CSS VARIABLES & GLOBAL
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-surface-light: #1f1f1f;
    --color-primary: #d4af37; /* Luxury Gold */
    --color-primary-hover: #b5952f;
    --color-text: #f5f5f5;
    --color-text-muted: #999999;
    
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    
    --spacing-section: 100px;
    --border-radius: 4px;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-bg);
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 10px;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

.section-padding {
    padding: var(--spacing-section) 0;
}

.bg-darker {
    background-color: #050505;
}

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

/* Typography */
h1, h2, h3, h4, .brand {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 1px;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   COMPONENTS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* Preloader */
#preloader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}
.loader-logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    letter-spacing: 4px;
    margin-bottom: 20px;
}
.loader-line {
    width: 0;
    height: 2px;
    background: var(--color-primary);
    animation: loading 1.5s ease forwards;
}
@keyframes loading {
    0% { width: 0; }
    100% { width: 150px; }
}
.preloader-hidden {
    opacity: 0;
    pointer-events: none;
}

/* Scroll Progress */
#scroll-progress {
    position: fixed;
    top: 0; left: 0; height: 3px;
    background: var(--color-primary);
    width: 0%;
    z-index: 10000;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}
.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border: 1px solid var(--color-primary);
}
.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
}
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}
.btn-block {
    width: 100%;
    text-align: center;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   NAVIGATION
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 25px 0;
    z-index: 1000;
    transition: var(--transition-fast);
}
header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand {
    font-size: 1.8rem;
    color: var(--color-primary);
    letter-spacing: 2px;
}
.nav-links {
    display: flex;
    gap: 30px;
}
.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0;
    width: 0; height: 1px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--color-text);
}
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}
.hamburger {
    display: none;
    cursor: pointer;
    color: var(--color-text);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   SECTIONS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1616117961205-59b583f707f4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,10,10,0.9) 20%, rgba(10,10,10,0.4));
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}
.hero .subtitle {
    display: block;
    color: var(--color-primary);
    font-family: var(--font-heading);
    letter-spacing: 4px;
    margin-bottom: 15px;
}
.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
}
.hero p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}
.hero .btn-group {
    display: flex;
    gap: 20px;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-image {
    position: relative;
}
.about-image::before {
    content: '';
    position: absolute;
    top: -20px; left: -20px;
    width: 100%; height: 100%;
    border: 1px solid var(--color-primary);
    z-index: -1;
}
.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}
.features-list {
    margin-top: 30px;
}
.features-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}
.features-list svg {
    width: 20px;
    color: var(--color-primary);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: var(--color-surface);
    padding: 50px 30px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-fast);
}
.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
    background: var(--color-surface-light);
}
.card-icon {
    width: 60px; height: 60px;
    margin: 0 auto 25px;
    color: var(--color-primary);
}
.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}
.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Portfolio */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.gallery-item {
    overflow: hidden;
    aspect-ratio: 4/5;
    position: relative;
    cursor: pointer;
}
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: grayscale(40%);
}
.gallery-item:hover img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

/* FAQ Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}
.accordion-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.accordion-header {
    padding: 25px 0;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}
.accordion-header:hover {
    color: var(--color-primary);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.accordion-content p {
    padding-bottom: 25px;
    color: var(--color-text-muted);
}
.accordion-item.active .accordion-content {
    max-height: 200px;
}
.accordion-item.active .icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}
.icon {
    transition: transform 0.3s ease;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.info-blocks {
    margin-top: 40px;
    display: grid;
    gap: 30px;
}
.info-block h4 {
    color: var(--color-primary);
    margin-bottom: 10px;
}
.info-block p {
    color: var(--color-text-muted);
}
.contact-form {
    background: var(--color-surface);
    padding: 40px;
    border: 1px solid rgba(255,255,255,0.05);
}
.form-group {
    margin-bottom: 25px;
}
input, select, textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding: 15px 0;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-bottom-color: var(--color-primary);
}
select option {
    background: var(--color-surface);
    color: var(--color-text);
}

/* Footer */
.footer {
    background: var(--color-surface);
    padding-top: 80px;
    border-top: 1px solid rgba(212,175,55,0.1);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}
.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.footer-brand p {
    color: var(--color-text-muted);
    max-width: 300px;
}
.footer-links h4, .footer-social h4 {
    margin-bottom: 20px;
    font-family: var(--font-heading);
}
.footer-links ul li {
    margin-bottom: 12px;
}
.footer-links ul a {
    color: var(--color-text-muted);
}
.footer-links ul a:hover {
    color: var(--color-primary);
}
.social-icons {
    display: flex;
    gap: 15px;
}
.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    color: var(--color-text);
}
.social-icons a:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}
.social-icons svg {
    width: 18px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 25px 20px;
    display: flex;
    justify-content: space-between;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}
.developer-brand a {
    color: var(--color-primary);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   UTILITIES & ANIMATIONS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px; height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-fast);
}
.whatsapp-float svg {
    width: 32px;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #1ebe57;
}
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

/* Back to Top */
#back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 45px; height: 45px;
    background: var(--color-surface);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 999;
}
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
#back-to-top:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}
#back-to-top svg {
    width: 20px;
}

/* Reveal Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-slow);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: var(--transition-slow);
}
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: var(--transition-slow);
}
.active.reveal-up, .active.reveal-left, .active.reveal-right {
    opacity: 1;
    transform: translate(0);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   RESPONSIVE (Mobile-down)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: block; z-index: 1001; }
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 100%; height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease-in-out;
    }
    .nav-links.nav-active { right: 0; }
    .nav-links li { margin: 15px 0; }
    .nav-links a { font-size: 1.5rem; }
    
    .hero h1 { font-size: 2.8rem; }
    .hero .btn-group { flex-direction: column; }
    
    .about-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    
    .footer-bottom { flex-direction: column; text-align: center; gap: 15px; }
    
    .whatsapp-float { bottom: 20px; right: 20px; width: 50px; height: 50px; }
    .whatsapp-float svg { width: 26px; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 2rem; }
}