/* ============================================================
   T.W. Carter - Author Site (Dark Theme)
   Adapted from v0 mockup design. Global styles for author layout.
   ============================================================ */

/* --- Design tokens (mapped from mockup oklch values) --- */
:root {
    --color-bg: #0d0b10;
    --color-surface: #131118;
    --color-surface-raised: #1a1820;
    --color-card: #151320;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(201, 169, 110, 0.5);
    --color-text: #ece9e3;
    --color-text-muted: #8a8580;
    --color-accent: #c9a96e;
    --color-accent-hover: #d4b97a;
    --color-accent-subtle: rgba(201, 169, 110, 0.12);
    --color-accent-glow: rgba(201, 169, 110, 0.06);
    --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
    --gutter: 1.5rem;
    --radius: 0.5rem;
}

/* --- Reset & base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-hover);
}

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

/* --- Typography --- */
.section-label {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

/* --- Buttons --- */
.btn-primary {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: background-color 0.2s ease, transform 0.15s ease;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-bg);
    transform: translateY(-1px);
}

.btn-outline {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    text-align: center;
}

.btn-outline:hover {
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-accent);
    transform: translateY(-1px);
}

/* ============================================================
   HEADER (matches mockup: fixed, glass blur, border-bottom)
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(13, 11, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-header__brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.03em;
    transition: color 0.2s ease;
}

.site-header__brand:hover {
    color: var(--color-accent-hover);
}

.site-header__nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.site-header__nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

.site-header__nav a:hover,
.site-header__nav a.is-active {
    color: var(--color-accent);
}

.site-header__cta {
    padding: 0.5rem 1.25rem !important;
    border: 1px solid var(--color-border-hover) !important;
    border-radius: var(--radius) !important;
    color: var(--color-accent) !important;
    font-weight: 500 !important;
    transition: background-color 0.2s ease, color 0.2s ease !important;
}

.site-header__cta:hover {
    background-color: var(--color-accent) !important;
    color: var(--color-bg) !important;
}

/* Mobile toggle */
.site-header__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.site-header__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-header__toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.site-header__toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.site-header__toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   FOOTER (matches mockup: 4-col grid, brand left, links right)
   ============================================================ */
.site-footer {
    background-color: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: 4rem 0;
}

.site-footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.site-footer__brand-col .site-footer__name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    display: block;
    margin-bottom: 1rem;
}

.site-footer__brand-col p {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 420px;
    margin-bottom: 1.5rem;
}

.site-footer__contact-line {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.site-footer__contact-line a {
    color: var(--color-accent);
}

.site-footer__col-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.site-footer__links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.site-footer__links a {
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

.site-footer__links a:hover {
    color: var(--color-accent);
}

.site-footer__copyright {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .site-header__toggle {
        display: flex;
    }

    .site-header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background-color: rgba(13, 11, 16, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 1rem 0;
        border-bottom: 1px solid var(--color-border);
    }

    .site-header__nav.is-open {
        display: flex;
    }

    .site-header__nav a {
        padding: 0.75rem var(--gutter);
        width: 100%;
        font-size: 1rem;
    }

    .site-header__cta {
        margin: 0.5rem var(--gutter) !important;
        width: calc(100% - 3rem) !important;
        text-align: center !important;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}