/* ========================================
   SONIC SPACE INTERIORS - Main Stylesheet
   ======================================== */

:root {
    --color-bg: #080c1a;
    --color-bg-alt: #0c1025;
    --color-bg-card: #121830;
    --color-surface: #1a2040;
    --color-text: #f5f5f5;
    --color-text-muted: #9aa0b8;
    --color-text-subtle: #5a6080;
    --color-accent: #4cd137;
    --color-accent-light: #7bed6a;
    --color-accent-dark: #2eab1f;
    --color-accent-secondary: #f5a623;
    --color-blue: #2563eb;
    --color-blue-light: #4a8af5;
    --color-white: #ffffff;
    --color-border: rgba(255,255,255,0.08);
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-max: 1200px;
    --section-padding: 120px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; font-weight: 500; }
.accent { color: var(--color-accent); }

.section-tag {
    font-size: 0.8rem; font-weight: 600; letter-spacing: 3px;
    text-transform: uppercase; color: var(--color-accent); margin-bottom: 16px;
}
.section-header { text-align: center; max-width: 600px; margin: 0 auto 64px; }
.section-desc { color: var(--color-text-muted); margin-top: 16px; font-size: 1.05rem; }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 36px; font-family: var(--font-body); font-size: 0.9rem;
    font-weight: 500; letter-spacing: 1px; text-transform: uppercase;
    border: none; cursor: pointer; transition: all var(--transition); border-radius: 2px;
}
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(76,209,55,0.3); }
.btn-outline { background: transparent; color: var(--color-white); border: 1px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }
.btn-lg { padding: 18px 48px; font-size: 1rem; }
.btn-full { width: 100%; text-align: center; }

/* --- Navbar --- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 24px 0; transition: all var(--transition);
}
.navbar.scrolled {
    background: rgba(10,10,10,0.95); backdrop-filter: blur(20px);
    padding: 16px 0; border-bottom: 1px solid var(--color-border);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; }
.logo-img { height: 50px; width: auto; transition: height var(--transition); }
.navbar.scrolled .logo-img { height: 40px; }
.logo-text { display: flex; align-items: baseline; gap: 6px; font-family: var(--font-heading); font-size: 1.1rem; letter-spacing: 2px; }
.logo-sonic { font-weight: 700; color: var(--color-accent); }
.logo-space { font-weight: 400; color: var(--color-white); }
.logo-interiors { font-weight: 300; color: var(--color-text-muted); font-size: 0.85em; }
.nav-links { display: flex; align-items: center; gap: 40px; }
.nav-links a {
    font-size: 0.85rem; font-weight: 400; letter-spacing: 1px;
    text-transform: uppercase; color: var(--color-text-muted); position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0;
    height: 1px; background: var(--color-accent); transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
    padding: 10px 24px !important; border: 1px solid var(--color-accent) !important;
    color: var(--color-accent) !important; border-radius: 2px;
}
.nav-cta:hover { background: var(--color-accent) !important; color: var(--color-bg) !important; }
.nav-cta::after { display: none !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; z-index: 1001; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-white); transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero --- */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; text-align: center; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(135deg, rgba(8,12,26,0.88), rgba(8,12,26,0.75)),
                radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(76,209,55,0.05) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 24px; }
.hero-tag {
    font-size: 0.8rem; font-weight: 600; letter-spacing: 4px; text-transform: uppercase;
    color: var(--color-accent); margin-bottom: 24px; opacity: 0; animation: fadeUp 0.8s ease forwards 0.3s;
}
.hero h1 { margin-bottom: 24px; opacity: 0; animation: fadeUp 0.8s ease forwards 0.5s; }
.hero-sub {
    font-size: 1.1rem; color: var(--color-text-muted); max-width: 550px;
    margin: 0 auto 40px; line-height: 1.8; opacity: 0; animation: fadeUp 0.8s ease forwards 0.7s;
}
.hero-btns {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    opacity: 0; animation: fadeUp 0.8s ease forwards 0.9s;
}
.hero-scroll {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: var(--color-text-subtle); font-size: 0.7rem; letter-spacing: 2px;
    text-transform: uppercase; opacity: 0; animation: fadeIn 1s ease forwards 1.2s;
}
.scroll-line {
    width: 1px; height: 40px; background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* --- Marquee --- */
.marquee {
    padding: 20px 0; background: var(--color-bg-alt); border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border); overflow: hidden;
}
.marquee-track {
    display: flex; gap: 24px; white-space: nowrap;
    animation: marqueeScroll 30s linear infinite;
    font-size: 0.8rem; font-weight: 500; letter-spacing: 2px; text-transform: uppercase;
    color: var(--color-text-muted);
}
.marquee-track .dot { color: var(--color-accent); font-size: 0.5rem; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* --- Section --- */
.section { padding: var(--section-padding) 0; }

/* --- About --- */
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--color-text-muted); margin-bottom: 16px; line-height: 1.8; }
.about-text strong { color: var(--color-text); }

.about-highlights { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }
.highlight {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 16px; border: 1px solid var(--color-border); border-radius: 4px;
    transition: border-color var(--transition);
}
.highlight:hover { border-color: rgba(76,209,55,0.3); }
.highlight-icon { width: 24px; height: 24px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.highlight-icon svg { width: 100%; height: 100%; }
.highlight strong { display: block; margin-bottom: 4px; font-size: 0.9rem; }
.highlight p { color: var(--color-text-muted); font-size: 0.85rem; margin: 0; }

/* Image placeholder */
.img-placeholder {
    background: var(--color-bg-card); border: 1px solid var(--color-border);
    aspect-ratio: 4/3; display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 12px; color: var(--color-text-subtle);
    font-size: 0.85rem; border-radius: 4px; position: relative; overflow: hidden;
}
.img-placeholder::after {
    content: attr(data-text); font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase;
}
.img-placeholder svg { width: 48px; height: 48px; opacity: 0.3; }
.img-placeholder.dark { background: var(--color-bg-alt); }

/* About photo */
.about-photo {
    width: 100%; height: 100%; object-fit: cover; border-radius: 4px;
    aspect-ratio: 4/3;
}

/* Product images */
.product-img {
    width: 100%; aspect-ratio: 4/3; overflow: hidden;
}
.product-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform var(--transition);
}
.product-card:hover .product-img img {
    transform: scale(1.05);
}

/* Portfolio images */
.portfolio-item img {
    width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3;
    transition: transform var(--transition);
}
.portfolio-item:hover img {
    transform: scale(1.05);
}

/* --- Products --- */
.products { background: var(--color-bg); }

.product-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.tab-btn {
    padding: 10px 28px; background: none; border: 1px solid var(--color-border);
    color: var(--color-text-muted); font-family: var(--font-body); font-size: 0.85rem;
    letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
    transition: all var(--transition); border-radius: 2px;
}
.tab-btn:hover, .tab-btn.active { border-color: var(--color-accent); color: var(--color-accent); }
.tab-btn.active { background: rgba(76,209,55,0.1); }

.tab-content { display: none; }
.tab-content.active { display: grid; }

.product-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 32px;
}

.product-card {
    background: var(--color-bg-card); border: 1px solid var(--color-border);
    border-radius: 4px; overflow: hidden; transition: all var(--transition); position: relative;
}
.product-card:hover { border-color: rgba(76,209,55,0.3); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.product-number {
    position: absolute; top: 16px; left: 16px; z-index: 2;
    font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700;
    color: var(--color-accent); background: rgba(10,10,10,0.8); padding: 4px 10px;
    border-radius: 2px; letter-spacing: 1px;
}
.product-card .img-placeholder { border: none; border-radius: 0; }
.product-card h3 { padding: 20px 24px 8px; font-size: 1.1rem; }
.product-card p { padding: 0 24px 24px; color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; }

/* --- Services --- */
.services { background: var(--color-bg-alt); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 32px; }

.service-card {
    background: var(--color-bg-card); border: 1px solid var(--color-border);
    padding: 40px 32px; border-radius: 4px; transition: all var(--transition); position: relative;
}
.service-card:hover { border-color: rgba(76,209,55,0.3); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.service-card.featured { border-color: rgba(76,209,55,0.2); background: linear-gradient(135deg, var(--color-bg-card), rgba(76,209,55,0.05)); }
.service-badge {
    position: absolute; top: 16px; right: 16px; font-size: 0.65rem; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase; color: var(--color-accent);
    background: rgba(76,209,55,0.1); padding: 4px 12px; border-radius: 2px;
}
.service-icon { width: 48px; height: 48px; margin-bottom: 24px; color: var(--color-accent); }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { margin-bottom: 12px; font-size: 1.15rem; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; line-height: 1.7; }

/* --- Process --- */
.process-steps { display: flex; align-items: flex-start; justify-content: center; }
.step { text-align: center; flex: 1; max-width: 220px; }
.step-number {
    font-family: var(--font-heading); font-size: 3rem; font-weight: 700;
    color: var(--color-accent); opacity: 0.3; margin-bottom: 16px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.7; }
.step-line { flex: 0 0 60px; height: 1px; background: var(--color-border); margin-top: 36px; }

/* --- Portfolio --- */
.portfolio { background: var(--color-bg-alt); }
.portfolio-filter { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
    padding: 8px 24px; background: none; border: 1px solid var(--color-border);
    color: var(--color-text-muted); font-family: var(--font-body); font-size: 0.85rem;
    letter-spacing: 1px; text-transform: uppercase; cursor: pointer;
    transition: all var(--transition); border-radius: 2px;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--color-accent); color: var(--color-accent); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-item { position: relative; overflow: hidden; border-radius: 4px; cursor: pointer; }
.portfolio-item.large { grid-column: span 2; }
.portfolio-item .img-placeholder { transition: transform var(--transition); border-radius: 0; }
.portfolio-item:hover .img-placeholder { transform: scale(1.05); }
.portfolio-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, transparent 50%);
    display: flex; flex-direction: column; justify-content: flex-end; padding: 32px;
    opacity: 0; transition: opacity var(--transition);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-cat {
    font-size: 0.7rem; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; color: var(--color-accent); margin-bottom: 8px;
}
.portfolio-overlay h3 { margin-bottom: 4px; }
.portfolio-overlay p { color: var(--color-text-muted); font-size: 0.9rem; }

/* --- CTA --- */
.cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(76,209,55,0.03)), var(--color-bg);
}
.cta-content { max-width: 600px; margin: 0 auto; }
.cta h2 { margin-bottom: 16px; }
.cta p { color: var(--color-text-muted); margin-bottom: 40px; font-size: 1.05rem; line-height: 1.8; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: start; }
.contact-item { display: flex; gap: 16px; margin-bottom: 32px; }
.contact-icon { width: 24px; height: 24px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.contact-icon svg { width: 100%; height: 100%; }
.contact-item h4 {
    font-family: var(--font-body); font-weight: 600; font-size: 0.85rem;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px;
}
.contact-item a, .contact-item p { color: var(--color-text-muted); }
.contact-item a:hover { color: var(--color-accent); }
.contact-socials { display: flex; gap: 16px; margin-top: 40px; }
.social-link {
    width: 44px; height: 44px; border: 1px solid var(--color-border); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--color-text-muted); transition: all var(--transition);
}
.social-link svg { width: 20px; height: 20px; }
.social-link:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 16px 20px; background: var(--color-bg-card);
    border: 1px solid var(--color-border); color: var(--color-text);
    font-family: var(--font-body); font-size: 0.95rem; border-radius: 2px;
    transition: border-color var(--transition); outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--color-text-subtle); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--color-accent); }
.form-group select {
    appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 16px center;
}
.form-group select option { background: var(--color-bg-card); color: var(--color-text); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* --- Footer --- */
.footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-brand p { color: var(--color-text-muted); margin-top: 16px; font-size: 0.95rem; line-height: 1.7; }
.footer-links h4 {
    font-family: var(--font-body); font-weight: 600; font-size: 0.85rem;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; color: var(--color-white);
}
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-accent); }

.footer-bottom { border-top: 1px solid var(--color-border); padding-top: 24px; }
.footer-bottom-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: var(--color-text-subtle); font-size: 0.85rem; }
.footer-bottom-links { display: flex; gap: 12px; align-items: center; }
.footer-bottom-links a { color: var(--color-text-subtle); font-size: 0.85rem; }
.footer-bottom-links a:hover { color: var(--color-accent); }
.footer-bottom-links span { color: var(--color-text-subtle); font-size: 0.7rem; }

/* --- Animations --- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scrollPulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1024px) {
    :root { --section-padding: 80px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-item.large { grid-column: span 1; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    :root { --section-padding: 60px; }
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 80%; max-width: 360px; height: 100vh;
        background: rgba(15,15,15,0.98); backdrop-filter: blur(20px);
        flex-direction: column; justify-content: center; gap: 32px; padding: 40px;
        transition: right var(--transition); border-left: 1px solid var(--color-border);
    }
    .nav-links.open { right: 0; }
    .nav-links a { font-size: 1.1rem; }
    .section-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image { order: -1; }
    .services-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr !important; }
    .process-steps { flex-direction: column; align-items: center; }
    .step-line { width: 1px; height: 40px; margin: 16px 0; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom-content { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
    .hero-btns, .cta-btns { flex-direction: column; align-items: stretch; }
    .btn { text-align: center; justify-content: center; }
    .product-tabs { gap: 6px; }
    .tab-btn { padding: 8px 16px; font-size: 0.75rem; }
    .portfolio-filter { gap: 8px; }
    .filter-btn { padding: 6px 16px; font-size: 0.75rem; }
}