@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root {
    --bg-color: #050505;
    --surface-color: #111111;
    --surface-light: #1a1a1a;
    --text-primary: #f5f5f5;
    --text-secondary: #999999;
    --accent-color: #c5a059;
    --border-color: #222222;
    --nav-height: 80px;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .serif {
    font-family: 'Playfair Display', serif;
    font-weight: 400;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; object-fit: cover; }

/* Noise Background */
.noise-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none; z-index: -1; opacity: 0.03;
    background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

/* Ambient Gradient */
.ambient-gradient {
    position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(197, 160, 89, 0.05) 0%, transparent 50%);
    pointer-events: none; z-index: -2;
    animation: rotate 60s linear infinite;
}
@keyframes rotate { 100% { transform: rotate(360deg); } }

/* Page Transition Overlay */
.page-transition {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background-color: var(--bg-color); z-index: 9999;
    transform-origin: top; transition: transform var(--transition-slow);
}
.page-loaded .page-transition { transform: scaleY(0); }
.page-leaving .page-transition { transform-origin: bottom; transform: scaleY(1); }

/* Header */
header {
    position: fixed; top: 0; width: 100%; height: var(--nav-height);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 4vw; z-index: 200;
    transition: transform 0.3s ease, background-color 0.3s ease;
    backdrop-filter: blur(10px); background: rgba(5,5,5,0.8);
    border-bottom: 1px solid transparent;
}
header.scrolled-down { transform: translateY(-100%); }
header.scrolled-up { border-bottom: 1px solid var(--border-color); }

.logo { font-family: 'Playfair Display', serif; font-size: 1.5rem; letter-spacing: 1px; color: var(--text-primary); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); transition: color 0.3s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); }

.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-primary);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    padding: 0;
    font-size: 0;
}
.mobile-menu-toggle span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2.5px;
    background: currentColor;
    margin: 0;
    border-radius: 2px;
    transform-origin: center;
    transition: transform 0.25s ease, opacity 0.2s ease;
}
.mobile-menu-toggle span:nth-child(1) { transform: translate(-50%, -6px); }
.mobile-menu-toggle span:nth-child(2) { transform: translate(-50%, 0); }
.mobile-menu-toggle span:nth-child(3) { transform: translate(-50%, 6px); }

.mobile-menu-toggle[aria-expanded="true"] span {
    opacity: 0;
    transform: translate(-50%, 0);
}
.mobile-menu-toggle[aria-expanded="true"]::before {
    content: '×';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    line-height: 1;
    color: currentColor;
    font-weight: 300;
    transform: translateY(-1px);
}

.mobile-nav {
    display: none;
}
.mobile-nav-backdrop {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block; padding: 1rem 2rem; border: 1px solid var(--accent-color);
    color: var(--accent-color); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 2px;
    transition: all 0.3s ease; cursor: pointer; background: transparent; position: relative; overflow: hidden;
}
.btn::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--accent-color); transform: scaleX(0); transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); z-index: -1;
}
.btn:hover::before { transform: scaleX(1); transform-origin: left; }
.btn:hover { color: var(--bg-color); }
.btn-solid { background: var(--accent-color); color: var(--bg-color); }
.btn-solid::before { background: var(--text-primary); }

/* Typography Helpers */
.title-xl { font-size: clamp(3rem, 6vw, 6rem); line-height: 1.1; margin-bottom: 1rem; }
.title-lg { font-size: clamp(2rem, 4vw, 4rem); line-height: 1.2; margin-bottom: 1rem; }
.title-md { font-size: clamp(1.5rem, 2.5vw, 2.5rem); margin-bottom: 1rem; }
.text-body { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 2rem; }

/* Sections */
section { padding: 8vw 4vw; }
.container { max-width: 1400px; margin: 0 auto; }

/* Hero */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; padding: 0 4vw; text-align: center; }
.hero-content { position: relative; z-index: 2; max-width: 860px; display: flex; flex-direction: column; align-items: center; }
.hero-title {
    max-width: 780px;
    line-height: 1.05;
    letter-spacing: 0.01em;
    text-wrap: balance;
    text-shadow: 0 6px 24px rgba(0,0,0,0.45);
}
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; overflow: hidden; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; transform: scale(1.05); transition: transform 10s ease-out; }
.page-loaded .hero-bg img { transform: scale(1); }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 50%; background: linear-gradient(to top, var(--bg-color), transparent); z-index: 1; }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Cards & Tilt */
.service-card { background: var(--surface-color); padding: 3rem 2rem; border: 1px solid var(--border-color); transition: border-color 0.3s ease; position: relative; overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.service-card:hover { border-color: var(--accent-color); }
.service-card .icon { width: 40px; height: 40px; margin-bottom: 1.5rem; fill: var(--accent-color); }
.tilt-wrapper { perspective: 1000px; }
.tilt-card { transform-style: preserve-3d; transition: transform 0.1s; }

/* Image Reveals */
.img-reveal { overflow: hidden; position: relative; }
.img-reveal img { transform: scale(1); transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1); }
.img-reveal.is-revealed img { transform: scale(1); }
.img-reveal::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-color); transform: scaleX(0); transform-origin: right; transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1); }
.img-reveal.is-revealed::after { transform: scaleX(0); }

/* Split Text Reveal (safe default visible) */
.split-line { overflow: hidden; display: inline-block; white-space: pre; }
.split-word { display: inline-block; transform: translateY(0); transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.is-revealed .split-word { transform: translateY(0); }

/* Hover Reveal Image */
.hover-item { padding: 2rem 0; border-bottom: 1px solid var(--border-color); position: relative; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: padding 0.3s ease; }
.hover-item:hover { padding-left: 1rem; padding-right: 1rem; }
.hover-item-title { font-size: 2rem; font-family: 'Playfair Display', serif; transition: color 0.3s ease; }
.hover-item:hover .hover-item-title { color: var(--accent-color); }
.hover-img-wrapper { position: fixed; top: 0; left: 0; width: 400px; height: 500px; pointer-events: none; opacity: 0; transform: scale(0.8); transition: opacity 0.3s ease, transform 0.3s ease; z-index: 50; overflow: hidden; }
.hover-item:hover ~ .hover-img-wrapper { opacity: 1; transform: scale(1); }

/* SVG Drawing */
.svg-draw path { stroke-dasharray: 1000; stroke-dashoffset: 1000; transition: stroke-dashoffset 2s ease-in-out; }
.is-revealed .svg-draw path { stroke-dashoffset: 0; }

/* Before After */
.ba-container { position: relative; width: 100%; height: 60vh; overflow: hidden; cursor: ew-resize; }
.ba-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-overlay { position: absolute; top: 0; left: 0; width: 50%; height: 100%; overflow: hidden; border-right: 2px solid var(--accent-color); }
.ba-slider { position: absolute; top: 0; left: 50%; width: 40px; height: 100%; transform: translateX(-50%); pointer-events: none; display: flex; align-items: center; justify-content: center; z-index: 10; }
.ba-slider-btn { width: 40px; height: 40px; background: var(--accent-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; }

/* Footer */
footer { padding: 6vw 4vw 2vw; background: var(--surface-color); border-top: 1px solid var(--border-color); }
.footer-top { display: flex; justify-content: space-between; border-bottom: 1px solid var(--border-color); padding-bottom: 4rem; margin-bottom: 2rem; flex-wrap: wrap; gap: 2rem; }
.footer-col h4 { margin-bottom: 1.5rem; color: var(--text-primary); }
.footer-col ul li { margin-bottom: 0.8rem; }
.footer-col ul li a { color: var(--text-secondary); transition: color 0.3s ease; }
.footer-col ul li a:hover { color: var(--accent-color); }
.footer-bottom { display: flex; justify-content: space-between; color: var(--text-secondary); font-size: 0.85rem; }

/* Forms */
input, textarea { width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border-color); color: var(--text-primary); padding: 1rem 0; font-family: 'Inter', sans-serif; font-size: 1rem; transition: border-color 0.3s ease; outline: none; margin-bottom: 2rem; }
input:focus, textarea:focus { border-bottom-color: var(--accent-color); }

/* Utilities */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 4rem; }
.mt-4 { margin-top: 4rem; }
.accent-text { color: var(--accent-color); }

/* Responsive */
@media (max-width: 900px) {
    :root { --nav-height: 72px; }

    section { padding: 14vw 5vw; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 1.5rem; }

    header {
        padding: 0 1rem;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        right: 0;
        width: min(84vw, 340px);
        height: calc(100vh - var(--nav-height));
        background: rgba(11,11,11,0.98);
        border-left: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 120;
        padding: 1rem 0;
    }

    body.mobile-nav-open .nav-links {
        transform: translateX(0);
    }

    .nav-links a {
        display: block;
        padding: 1rem 1.25rem;
        font-size: 0.9rem;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .mobile-nav-backdrop {
        position: fixed;
        inset: var(--nav-height) 0 0 0;
        background: rgba(0,0,0,0.45);
        z-index: 110;
    }

    body.mobile-nav-open .mobile-nav-backdrop {
        display: block;
    }

    .hero {
        padding-top: calc(var(--nav-height) + 0.5rem);
        min-height: 100svh;
    }

    .hero-title {
        font-size: clamp(2.2rem, 11vw, 3.2rem);
        line-height: 1.12;
        margin-bottom: 0.9rem;
    }

    .hero-content .btn {
        display: block;
        width: 100%;
        margin: 0 0 0.75rem 0 !important;
        text-align: center;
    }

    .hover-item {
        display: block;
        padding: 1.25rem 0;
    }

    .hover-item-title {
        font-size: 1.4rem;
    }

    .ba-container {
        height: 46vh;
        min-height: 300px;
    }

    .footer-top {
        padding-bottom: 2rem;
        margin-bottom: 1.25rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}