/* ═══════════════════════════════════════════════
   Sotto — Base Design System
   ═══════════════════════════════════════════════ */

:root {
    /* Sotto brand */
    --sotto-charcoal: #1a1a2e;
    --sotto-silver: #c0c0c8;
    --sotto-white: #f5f5f0;
    --sotto-warm: #8a8378;

    /* Child brand accents */
    --vinelog-plum: #7d2f70;
    --ensalle-gold: #b8985c;
    --sommwise-teal: #3d5a6c;

    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--sotto-white);
    background: var(--sotto-charcoal);
}

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

/* Fraunces display axis — light, quiet weight for the dark parent brand */
.sotto-wordmark,
.hero-title,
.product-card h2,
.experiment-card h3,
.labs-wordmark,
.prop-card h3,
.cta h2,
.brand-vinelog,
.brand-sommwise,
.brand-name {
    font-variation-settings: 'opsz' 144, 'wght' 380, 'SOFT' 20, 'WONK' 0;
}

/* Keyboard focus ring — the reset suppresses outlines; restore a light ring on the dark bg */
:focus-visible {
    outline: 2px solid var(--sotto-silver, #c0c0c8);
    outline-offset: 2px;
}

/* ─── Layout ──────────────────────────────── */

.sotto-site,
.labs-site,
.diner-site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ─── Navigation ──────────────────────────── */

.sotto-nav,
.labs-nav,
.diner-nav {
    padding: var(--space-md) var(--space-lg);
}

.sotto-wordmark {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--sotto-white);
}

/* Nav layout with links */
.sotto-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--sotto-warm);
    font-size: 0.85rem;
    font-weight: 300;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--sotto-white);
}

.nav-link img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* ─── Hero ────────────────────────────────── */

.hero {
    text-align: center;
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.hero-arch {
    width: 120px;
    height: auto;
    object-fit: contain;
    margin-bottom: var(--space-md);
    opacity: 0.9;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    letter-spacing: 0.06em;
    line-height: 1.1;
    margin-bottom: var(--space-xs);
}

.hero-underline {
    width: 80px;
    height: 1px;
    background: var(--sotto-silver);
    margin: var(--space-xs) auto var(--space-sm);
}

.hero-tagline {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--sotto-warm);
    letter-spacing: 0.02em;
}

/* ─── Product Cards (sottohq.com) ─────────── */

.products {
    padding: 0 var(--space-lg) var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.product-card {
    display: block;
    padding: var(--space-md) var(--space-md);
    border: 1px solid rgba(192, 192, 200, 0.15);
    border-radius: 8px;
    transition: border-color 0.3s ease, transform 0.2s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-2px);
}

.product-card h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.product-card p {
    color: var(--sotto-warm);
    font-size: 1rem;
    font-weight: 300;
}

.card-arrow {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.25rem;
    color: var(--sotto-silver);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .card-arrow {
    opacity: 1;
}

/* Card accent colors */
.product-card.vinelog { border-left: 3px solid var(--vinelog-plum); }
.product-card.vinelog:hover { border-color: var(--vinelog-plum); }
.product-card.vinelog h2 { color: #c47ab8; }

.product-card.ensalle { border-left: 3px solid var(--ensalle-gold); }
.product-card.ensalle:hover { border-color: var(--ensalle-gold); }
.product-card.ensalle h2 { color: #d4b87a; }

.product-card.sommwise { border-left: 3px solid var(--sommwise-teal); }
.product-card.sommwise:hover { border-color: var(--sommwise-teal); }
.product-card.sommwise h2 { color: #6a9ab5; }

/* ─── Experiment Cards (sottolabs.com) ────── */

.experiments {
    padding: 0 var(--space-lg) var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.experiment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.experiment-card {
    padding: var(--space-md);
    border: 1px solid rgba(192, 192, 200, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
}

.experiment-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.experiment-card p {
    color: var(--sotto-warm);
    font-size: 0.95rem;
    font-weight: 300;
}

.status-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2em 0.6em;
    border-radius: 3px;
    margin-bottom: var(--space-xs);
    background: rgba(192, 192, 200, 0.1);
    color: var(--sotto-silver);
}

.status-badge.in-progress { color: #7dd87d; background: rgba(125, 216, 125, 0.1); }
.status-badge.exploring { color: #7db8d8; background: rgba(125, 184, 216, 0.1); }
.status-badge.early { color: #d8b87d; background: rgba(216, 184, 125, 0.1); }

/* Labs badge in titles */
.labs-badge {
    font-family: var(--font-body);
    font-size: 0.4em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    vertical-align: super;
    color: var(--sotto-silver);
    border: 1px solid var(--sotto-silver);
    padding: 0.15em 0.5em;
    border-radius: 3px;
}

.labs-wordmark {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--sotto-white);
}

.labs-wordmark .labs-badge {
    font-size: 0.55em;
    vertical-align: middle;
}

/* ─── Value Props (dinercrm.com) ──────────── */

.value-props {
    padding: 0 var(--space-lg) var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.prop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.prop-card {
    padding: var(--space-md);
}

.prop-card h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.prop-card p {
    color: var(--sotto-warm);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.7;
}

/* ─── CTA / Early Access ─────────────────── */

.early-access,
.cta {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    max-width: 600px;
    margin: 0 auto;
}

.early-access h2,
.cta h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
}

.early-access p,
.cta p {
    color: var(--sotto-warm);
    font-size: 1rem;
    margin-bottom: var(--space-md);
}

.signup-form {
    display: flex;
    gap: var(--space-xs);
    max-width: 400px;
    margin: 0 auto;
}

.signup-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(192, 192, 200, 0.2);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--sotto-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.signup-form input[type="email"]::placeholder {
    color: var(--sotto-warm);
    opacity: 0.6;
}

.signup-form input[type="email"]:focus {
    border-color: var(--sotto-silver);
}

.signup-form input[type="email"]:focus:not(:focus-visible) {
    outline: none;
}

.signup-form button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    background: var(--sotto-silver);
    color: var(--sotto-charcoal);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    white-space: nowrap;
}

.signup-form button:hover {
    background: var(--sotto-white);
}

.signup-feedback {
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.signup-feedback-success {
    color: #7dd87d;
}

.signup-feedback-error {
    color: #f0bf75;
}

/* ─── Brand Wordmark Classes ─────────────── */

.brand-vinelog {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    color: #c47ab8;
    letter-spacing: 0.02em;
}

.brand-sommwise {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    color: #6a9ab5;
    letter-spacing: 0.02em;
}

.brand-ensalle {
    font-family: var(--font-body);
    font-weight: 400;
    color: #d4b87a;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.95rem !important;
}

/* ─── Brand Showcase ─────────────────────── */

.brand-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg) var(--space-xl);
    text-align: center;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.brand-item:hover {
    opacity: 0.8;
}

.brand-icon {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin-bottom: 0.25rem;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    letter-spacing: 0.04em;
}

.brand-tagline {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--sotto-warm);
    line-height: 1.4;
    max-width: 180px;
}

/* ─── Brand Footer Icons ─────────────────── */

.footer-brand-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.sotto-arch-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-brands {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin: var(--space-sm) 0;
}

.footer-brand-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--sotto-warm);
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-brand-link:hover {
    color: var(--sotto-white);
}

.footer-brand-name {
    font-size: 0.8rem;
    font-weight: 400;
}

.footer-logo {
    margin-bottom: var(--space-sm);
}

/* ─── Footer ──────────────────────────────── */

.sotto-footer,
.labs-footer,
.diner-footer {
    padding: var(--space-lg);
    border-top: 1px solid rgba(192, 192, 200, 0.1);
    text-align: center;
}

.footer-inner {
    max-width: 800px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-sm) 0;
}

.footer-links a {
    color: var(--sotto-warm);
    font-size: 0.9rem;
    font-weight: 300;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--sotto-white);
}

.copyright {
    color: var(--sotto-warm);
    font-size: 0.8rem;
    opacity: 0.6;
    margin-top: var(--space-sm);
}

.sotto-attribution {
    color: var(--sotto-warm);
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
}

.sotto-attribution a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

@media (max-width: 768px) {
    .sotto-nav, .labs-nav, .diner-nav {
        padding: var(--space-sm) var(--space-md);
    }

    .hero {
        padding: var(--space-md) var(--space-md) var(--space-sm);
    }

    .brand-showcase {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md) var(--space-lg);
    }

    .brand-icon {
        width: 48px;
        height: 48px;
    }

    .hero-arch {
        width: 80px;
    }

    .products, .experiments, .value-props {
        padding: 0 var(--space-md) var(--space-lg);
    }

    .signup-form {
        flex-direction: column;
    }

    .sotto-footer, .labs-footer, .diner-footer {
        padding: var(--space-md);
    }
}

/* Branded page fade-in on load (static SSR) */
main { animation: page-fade-in 0.32s ease both; }