/* Quantoriq - Ultimate Layout & Visual Depth */
:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #00f2ff;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --btn-bg: #ffffff;
    --btn-text: #000000;
    --nav-bg: rgba(5, 5, 5, 0.8);
    --mesh-color-1: rgba(0, 242, 255, 0.05);
    --mesh-color-2: rgba(112, 0, 255, 0.05);
}

body.light-mode {
    --bg-color: #f0f2f5;
    --text-color: #1a1a1a;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --btn-bg: #1a1a1a;
    --btn-text: #ffffff;
    --nav-bg: rgba(240, 242, 245, 0.8);
    --mesh-color-1: rgba(0, 242, 255, 0.1);
    --mesh-color-2: rgba(112, 0, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, var(--mesh-color-1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, var(--mesh-color-2) 0px, transparent 50%);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow-x: hidden;
    transition: all 0.5s ease;
}

#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: #000;
    display: flex; justify-content: center; align-items: center;
    z-index: 9999;
}

#webgl {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    outline: none;
    z-index: 1;
    pointer-events: none;
}

nav {
    position: fixed;
    top: 0; width: 100%; padding: 20px 60px;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 1000;
    backdrop-filter: blur(15px);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--glass-border);
}

.nav-right { display: flex; align-items: center; gap: 30px; }
.nav-links { display: flex; gap: 25px; }
.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    transition: 0.3s;
}
.nav-links a:hover { opacity: 1; color: var(--accent-color); }

.controls {
    display: flex; gap: 10px; padding-left: 20px;
    border-left: 1px solid var(--glass-border);
}

.lang-switch, .theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: 0.3s;
}

main { position: relative; z-index: 10; }

section {
    position: relative;
    min-height: 100vh;
    padding: 100px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.hero { align-items: flex-start; text-align: left; }

h1 {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 25px;
}

h1 span {
    display: block;
    color: transparent;
    -webkit-text-stroke: 1px var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 18px 45px;
    background: var(--btn-bg);
    color: var(--btn-text);
    border: 1px solid var(--btn-bg);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.4s;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.btn:hover {
    background: transparent;
    color: var(--text-color);
    border-color: var(--text-color);
    transform: translateY(-3px);
}

h2 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    margin-bottom: 50px;
    text-align: center;
    width: 100%;
}

.compact-text {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    max-width: 900px;
    text-align: center;
    line-height: 1.6;
    margin: 0 auto;
    background: linear-gradient(to right, var(--text-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Gallery Section */
.gallery-container {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 60px;
}

.stacked-card {
    position: absolute;
    width: clamp(280px, 40vw, 450px);
    height: clamp(200px, 30vw, 300px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.stacked-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.7));
    z-index: 1;
}

.stacked-card img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.5;
    transition: 0.6s;
}

.stacked-card .card-info { position: relative; z-index: 2; color: #fff; }
.stacked-card h4 { font-size: 1.5rem; color: var(--accent-color); margin-bottom: 5px; }

/* Card Stack States */
.card-1 { transform: rotate(-12deg) translateX(-130px); }
.card-2 { transform: rotate(-6deg) translateX(-65px); }
.card-3 { transform: rotate(0deg); }
.card-4 { transform: rotate(6deg) translateX(65px); }
.card-5 { transform: rotate(12deg) translateX(130px); }

.gallery-container:hover .card-1 { transform: rotate(-25deg) translateX(-420px); }
.gallery-container:hover .card-2 { transform: rotate(-15deg) translateX(-210px); }
.gallery-container:hover .card-3 { transform: rotate(0deg) translateY(-50px) scale(1.1); }
.gallery-container:hover .card-4 { transform: rotate(15deg) translateX(210px); }
.gallery-container:hover .card-5 { transform: rotate(25deg) translateX(420px); }

/* Services Grid - 3 Columns Always on Desktop */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    width: 100%;
    margin-top: 40px;
}

.service-card {
    padding: 50px 30px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    transition: 0.3s;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-card:hover { border-color: var(--accent-color); transform: translateY(-10px); }
.service-icon { font-size: 3rem; margin-bottom: 20px; color: var(--accent-color); }

/* Contact Form */
#contact-form {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: 0.3s;
}

/* Footer */
footer {
    padding: 100px 10% 40px;
    background: rgba(0,0,0,0.02);
    border-top: 1px solid var(--glass-border);
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand h3 { font-size: 2rem; margin-bottom: 15px; color: var(--accent-color); }
.footer-links h4 { margin-bottom: 25px; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 12px; }
.footer-links ul li a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.6;
    transition: 0.3s;
    font-size: 0.9rem;
}
.footer-links ul li a:hover { opacity: 1; color: var(--accent-color); padding-left: 5px; }

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.5;
    font-size: 0.8rem;
}

@media (max-width: 1100px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    nav { padding: 15px 20px; }
    .nav-links { display: none; }
    .services-grid { grid-template-columns: 1fr; }
    .gallery-container { height: 400px; }
    .footer-content { grid-template-columns: 1fr; }
    h2 { font-size: 2.5rem; }
}