:root {
    --ochre: #d97706;
    --turbine: #18181b;
    --bleach: #f8fafc;
    --sand: #e2e8f0;
    --panel: #242427;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--turbine);
    overflow-x: hidden;
}

/* ── Index: Thermal background ───────────────────── */

.bg-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; background: var(--sand);
}

.thermal {
    position: absolute; background: white;
    opacity: 0.4; filter: blur(60px);
    animation: rise 12s linear infinite;
}

.t1 { width: 500px; height: 500px; bottom: -20%; left: 10%; }
.t2 { width: 400px; height: 400px; bottom: -10%; right: 15%; animation-delay: -6s; }

@keyframes rise {
    0%   { transform: translateY(0) scale(1); opacity: 0; }
    50%  { opacity: 0.6; }
    100% { transform: translateY(-100vh) scale(1.2); opacity: 0; }
}

/* ── Index: Navigation ───────────────────────────── */

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 40px 8%; position: relative; z-index: 10;
}

.logo {
    font-weight: 900; font-size: 1.6rem;
    letter-spacing: -1px; text-transform: uppercase;
}

.logo span { color: var(--ochre); }

.nav-link {
    color: white; text-decoration: none;
    font-size: 0.8rem; font-weight: 900;
    text-transform: uppercase; letter-spacing: 2px;
    padding: 16px 32px; background: var(--turbine);
    transition: background 0.3s;
}

.nav-link:hover { background: var(--ochre); }

/* ── Index: Hero ─────────────────────────────────── */

.hero {
    max-width: 1200px; margin: 0 auto;
    padding: 10vh 20px; text-align: center;
}

h1 {
    font-size: clamp(4rem, 15vw, 11rem); font-weight: 900;
    margin: 0; line-height: 0.85;
    text-transform: uppercase; letter-spacing: -6px;
}

.tagline {
    margin: 30px auto; font-size: 1.2rem;
    color: var(--ochre); font-weight: 800;
    letter-spacing: 6px; text-transform: uppercase;
}

/* ── Index: Feature cards ────────────────────────── */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px; margin-top: 80px; padding: 0 5%;
}

.card {
    background: white; padding: 60px 40px;
    border-bottom: 8px solid var(--sand);
    transition: border-color 0.3s, transform 0.3s;
}

.card:hover { border-color: var(--ochre); transform: translateY(-10px); }

.card span {
    color: var(--ochre); font-size: 0.7rem; font-weight: 900;
    letter-spacing: 3px; display: block; margin-bottom: 20px;
}

.card h3 {
    font-size: 1.8rem; margin: 0 0 20px 0;
    text-transform: uppercase; font-weight: 900;
}

.card p { font-size: 1.1rem; line-height: 1.6; opacity: 0.7; margin: 0; }

/* ── Acquisition page ────────────────────────────── */

.acq-page {
    background: var(--turbine);
    color: var(--bleach);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.monolith {
    width: 90%;
    max-width: 480px;
    padding: 40px;
    background: var(--panel);
    border-left: 10px solid var(--ochre);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
    position: relative;
}

.back {
    text-decoration: none;
    color: var(--ochre);
    font-size: 0.75rem; font-weight: 900;
    text-transform: uppercase; letter-spacing: 3px;
    transition: letter-spacing 0.3s, opacity 0.3s;
}

.back:hover { letter-spacing: 5px; opacity: 0.8; }

.acq-title {
    font-size: 2.8rem;
    margin: 25px 0 35px 0;
    font-weight: 900; letter-spacing: -2px;
    line-height: 0.9; text-transform: uppercase;
    color: var(--bleach);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 22px 0;
    border-bottom: 1px solid rgba(248, 250, 252, 0.05);
}

.info-row span {
    color: var(--bleach); opacity: 0.5;
    text-transform: uppercase;
    font-size: 0.65rem; font-weight: 800;
    letter-spacing: 2px; flex-shrink: 0;
}

.info-row b {
    color: var(--ochre); font-size: 1.15rem;
    font-weight: 900; text-align: right;
    word-break: break-word;
}

.btn-acq {
    display: block;
    background: var(--ochre); color: white;
    padding: 24px; text-align: center;
    text-decoration: none; margin-top: 45px;
    font-weight: 900; text-transform: uppercase;
    letter-spacing: 5px; transition: background 0.3s, color 0.3s;
}

.btn-acq:hover { background: var(--bleach); color: var(--turbine); }

.stamp-footer {
    margin-top: 50px; text-align: center;
    background: rgba(0, 0, 0, 0.3); padding: 20px 0;
}

.stamp-footer-text {
    color: var(--ochre); font-size: 0.9rem; font-weight: 900;
    text-transform: uppercase; letter-spacing: 12px;
    border-left: 4px solid var(--ochre); padding-left: 15px;
    display: inline-block;
}

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 600px) {
    h1 { font-size: 18vw !important; }
}

@media (max-width: 500px) {
    .monolith { padding: 30px 20px; }
    .acq-title { font-size: 2.2rem; }

    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px; padding: 18px 0;
    }

    .info-row b { text-align: left; font-size: 1.2rem; width: 100%; }
}