:root {
    --bg: #06090f;
    --bg-alt: #0d1420;
    --surface: rgba(15, 23, 42, 0.82);
    --surface-strong: #121b2a;
    --text: #edf2f7;
    --text-muted: #a7b0c0;
    --border: rgba(148, 163, 184, 0.18);
    --accent: #c56d3d;
    --accent-soft: rgba(197, 109, 61, 0.14);
    --max-width: 1120px;
    --radius: 18px;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(44, 56, 84, 0.52), transparent 32%),
        linear-gradient(180deg, #0b1120 0%, #06090f 100%);
    line-height: 1.65;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.shell {
    width: min(100% - 2rem, var(--max-width));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    backdrop-filter: blur(16px);
    background: rgba(6, 9, 15, 0.78);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.brand-mark {
    width: 3.4rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.brand-copy strong {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brand-copy span {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-links a {
    font-size: 0.92rem;
    color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--text);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 2.8rem;
    padding: 0.7rem 1.1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.94rem;
    transition: 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: linear-gradient(135deg, #d78855 0%, #b5572d 100%);
    color: #fff;
    box-shadow: 0 10px 30px rgba(197, 109, 61, 0.22);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(148, 163, 184, 0.28);
    color: var(--text);
}

.button-secondary:hover {
    border-color: rgba(197, 109, 61, 0.5);
}

.section {
    padding: 4.5rem 0;
}

.section-tight {
    padding-top: 2.5rem;
}

.eyebrow {
    margin: 0 0 0.85rem;
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

h1, h2, h3 {
    margin-top: 0;
    font-family: "Cormorant Garamond", Georgia, serif;
    line-height: 1.08;
    letter-spacing: 0.01em;
}

h1 {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.8rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-top: 0;
}

.lede,
.section-intro {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 48rem;
}

.hero {
    padding: 5rem 0 3rem;
}

.hero-grid,
.split-grid {
    display: grid;
    gap: 2rem;
}

.hero-grid {
    align-items: center;
}

.hero-meta,
.proof-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1.8rem;
}

.pill {
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    font-size: 0.84rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.card,
.panel {
    background: linear-gradient(180deg, rgba(18, 27, 42, 0.9), rgba(10, 16, 27, 0.96));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel {
    padding: 1.5rem;
}

.stat-grid {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat {
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.14);
    background: rgba(255, 255, 255, 0.025);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.4rem;
}

.stat-value {
    font-size: 1rem;
}

.feature-card,
.project-card,
.info-card {
    padding: 1.5rem;
}

.book-feature {
    display: grid;
    gap: 1.5rem;
    align-items: center;
}

.book-cover {
    aspect-ratio: 3 / 4.3;
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(197, 109, 61, 0.32), rgba(18, 27, 42, 0.96)),
        linear-gradient(135deg, #2a3550, #0e1421);
    border: 1px solid rgba(197, 109, 61, 0.18);
    display: grid;
    place-items: end start;
    padding: 1.25rem;
    min-height: 340px;
}

.book-cover span {
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 2rem;
    max-width: 11rem;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

.meta-list {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0 1.4rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.meta-list strong {
    color: var(--text);
}

.grid-2,
.grid-3 {
    display: grid;
    gap: 1.25rem;
}

.offer-grid {
    align-items: stretch;
}

.offer-card {
    display: flex;
    flex-direction: column;
}

.offer-card h3 {
    font-size: 1.35rem;
    line-height: 1.15;
    margin-bottom: 0.65rem;
}

.offer-card p {
    margin-bottom: 0;
}

.muted {
    color: var(--text-muted);
}

.bullet-list {
    padding-left: 1.1rem;
    margin: 0;
}

.bullet-list li + li {
    margin-top: 0.45rem;
}

.callout {
    margin-top: 1.2rem;
    padding: 1rem 1.1rem;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
    border-radius: 0 12px 12px 0;
    color: var(--text-muted);
}

.page-hero {
    padding: 4rem 0 1rem;
}

.page-title {
    max-width: 44rem;
}

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    padding: 1.8rem 0 2.8rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.5rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

@media (min-width: 760px) {
    .hero-grid,
    .split-grid {
        grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    }

    .grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .book-feature {
        grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1fr);
    }
}

@media (max-width: 880px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .section {
        padding: 3.5rem 0;
    }

    h1 {
        font-size: 2.5rem;
    }

    .book-cover {
        min-height: 280px;
    }
}