:root {
    --bg: #0a0a0a;
    --surface: #111;
    --surface-2: #1a1a1a;
    --accent: #c8956d;
    --accent-light: #d4a882;
    --accent-dim: rgba(200,149,109,0.25);
    --accent-glow: rgba(200,149,109,0.06);
    --border: rgba(255,255,255,0.08);
    --border-accent: rgba(200,149,109,0.2);
    --text: #e5e0d8;
    --text-muted: rgba(229,224,216,0.55);
    --text-dim: rgba(229,224,216,0.2);
    --font-display: 'Syne', sans-serif;
    --font-body: 'Inter', sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --max-w: 1200px;
    --max-w-narrow: 860px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
::selection { background: var(--accent); color: var(--bg); }

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-dim) transparent;
}
html::-webkit-scrollbar { width: 4px; }
html::-webkit-scrollbar-track { background: transparent; }
html::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 2px; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    opacity: 0;
    animation: bodyIn 0.8s ease 0.15s forwards;
}

@keyframes bodyIn { to { opacity: 1; } }

img { display: block; max-width: 100%; }
a { color: inherit; }

.grain {
    position: fixed;
    inset: -50%;
    z-index: 9000;
    pointer-events: none;
    opacity: 0.018;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px;
    animation: grainShift 0.5s steps(1) infinite;
}
@keyframes grainShift {
    0%  { transform: translate(0, 0); }
    25% { transform: translate(-5%, -5%); }
    50% { transform: translate(5%, 0); }
    75% { transform: translate(-3%, 5%); }
}

/* ——— NAV ——— */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.6rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.5s var(--ease), background 0.5s;
}
.nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10,10,10,0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transition: opacity 0.5s;
}
.nav.scrolled::before { opacity: 1; }
.nav.scrolled { padding: 1rem 2.5rem; }

.nav-logo {
    position: relative; z-index: 2;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text);
    transition: color 0.3s;
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
    position: relative; z-index: 2;
    display: flex;
    gap: 2.2rem;
    list-style: none;
}
.nav-links a {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    position: relative;
    transition: color 0.3s;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width 0.4s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
    display: none;
    position: relative; z-index: 102;
    background: none; border: none; cursor: pointer;
    width: 28px; height: 20px;
    flex-direction: column; justify-content: space-between;
}
.nav-toggle span {
    display: block; width: 100%; height: 1px;
    background: var(--text); transition: all 0.35s var(--ease);
    transform-origin: center;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }

.nav-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 101;
    background: var(--bg);
    flex-direction: column;
    align-items: center; justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}
.nav-overlay.open { display: flex; opacity: 1; }
.nav-overlay a {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-decoration: none;
    color: var(--text-muted);
    transition: color 0.3s;
}
.nav-overlay a:hover { color: var(--accent); }

/* ——— SECTION SHARED ——— */
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-narrow { max-width: var(--max-w-narrow); margin: 0 auto; }

.section-tag {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.section-tag::before {
    content: '';
    width: 32px; height: 1px;
    background: var(--accent-dim);
}

.section-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.8rem, 4.5vw, 3.2rem);
    letter-spacing: -0.01em;
    line-height: 1.15;
    margin-bottom: 2rem;
}

/* ——— FOOTER ——— */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer span {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 0.1em;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* ——— REVEAL ——— */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ——— SHARED LINK ARROW ——— */
.arrow-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: color 0.3s, gap 0.35s var(--ease);
}
.arrow-link:hover { color: var(--accent); gap: 1.2rem; }
.arrow-link-line {
    display: inline-block;
    width: 20px; height: 1px;
    background: currentColor;
    position: relative;
    transition: width 0.4s var(--ease);
}
.arrow-link:hover .arrow-link-line { width: 30px; }
.arrow-link-line::after {
    content: '';
    position: absolute;
    right: 0; top: -3px;
    width: 6px; height: 6px;
    border-top: 1px solid currentColor;
    border-right: 1px solid currentColor;
    transform: rotate(45deg);
}

/* ——— RESPONSIVE BASE ——— */
@media (max-width: 768px) {
    .nav { padding: 1.2rem 1.5rem; }
    .nav.scrolled { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }

    .footer {
        flex-direction: column;
        gap: 0.4rem;
        text-align: center;
        padding: 2rem 1.5rem;
    }
}