/*
Theme Name: B2B Manufacturer
Theme URI: https://example.invalid/
Author: Project Team
Description: Lightweight WordPress theme for B2B manufacturer catalog and inquiry websites.
Version: 0.1.0
Text Domain: b2b-manufacturer
*/

:root {
    --color-ink: #17211d;
    --color-muted: #5d6b65;
    --color-bg: #f8f7f2;
    --color-surface: #ffffff;
    --color-line: #d9ded6;
    --color-accent: #0e766e;
    --color-accent-dark: #084d49;
    --color-signal: #b66a18;
    --color-soft: #e7f1ee;
    --font-base: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --container: 1180px;
    --wide: 1380px;
    --space-1: 0.5rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 3rem;
    --space-7: 4.5rem;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.65;
}

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

a {
    color: var(--color-accent-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

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

:focus-visible {
    outline: 3px solid var(--color-signal);
    outline-offset: 3px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(248, 247, 242, 0.96);
    border-bottom: 1px solid var(--color-line);
    backdrop-filter: blur(10px);
}

.site-header__inner,
.site-footer__inner,
.container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
}

.wide-container {
    width: min(100% - 2rem, var(--wide));
    margin-inline: auto;
}

.site-header__inner {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.site-branding {
    display: grid;
    gap: 0.1rem;
    min-width: 12rem;
    text-decoration: none;
}

.site-title {
    color: var(--color-ink);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.site-tagline {
    color: var(--color-muted);
    font-size: 0.78rem;
}

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.25rem 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav a {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    color: var(--color-ink);
    font-size: 0.92rem;
    font-weight: 650;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-accent-dark);
}

.button,
button,
input[type="submit"] {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-accent-dark);
    border-radius: 6px;
    background: var(--color-accent-dark);
    color: #ffffff;
    font: inherit;
    font-weight: 750;
    line-height: 1.2;
    padding: 0.75rem 1rem;
    text-decoration: none;
    cursor: pointer;
}

.button:hover,
.button:focus,
button:hover,
button:focus,
input[type="submit"]:hover,
input[type="submit"]:focus {
    background: var(--color-accent);
    color: #ffffff;
}

.button--secondary {
    background: transparent;
    color: var(--color-accent-dark);
}

.button--secondary:hover,
.button--secondary:focus {
    background: var(--color-soft);
    color: var(--color-accent-dark);
}

.hero {
    padding: var(--space-7) 0 var(--space-6);
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
    gap: var(--space-6);
    align-items: center;
}

.eyebrow {
    margin: 0 0 var(--space-2);
    color: var(--color-accent-dark);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.12;
    letter-spacing: 0;
}

h1 {
    max-width: 12ch;
    margin: 0;
    font-size: 4rem;
}

h2 {
    margin: 0 0 var(--space-3);
    font-size: 2.35rem;
}

h3 {
    margin: 0 0 var(--space-2);
    font-size: 1.2rem;
}

.lead {
    max-width: 64ch;
    color: var(--color-muted);
    font-size: 1.08rem;
}

.hero__actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.media-placeholder {
    display: grid;
    min-height: 340px;
    place-items: center;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(14, 118, 110, 0.13), transparent 42%),
        linear-gradient(45deg, rgba(182, 106, 24, 0.12), transparent 48%),
        var(--color-surface);
    color: var(--color-muted);
    text-align: center;
    padding: var(--space-5);
}

.section {
    padding: var(--space-6) 0;
}

.section--surface {
    background: var(--color-surface);
    border-block: 1px solid var(--color-line);
}

.section__header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.section__header p {
    max-width: 58ch;
    margin: 0;
    color: var(--color-muted);
}

.grid {
    display: grid;
    gap: var(--space-3);
}

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

.grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-panel,
.product-card,
.project-card {
    min-width: 0;
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: var(--color-surface);
}

.info-panel {
    padding: var(--space-4);
}

.product-card,
.project-card {
    overflow: hidden;
}

.product-card__media,
.project-card__media {
    display: grid;
    aspect-ratio: 4 / 3;
    place-items: center;
    background: #eef3ef;
}

.product-card__media img,
.project-card__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.project-card__media img {
    object-fit: cover;
}

.product-card__media .media-placeholder,
.project-card__media .media-placeholder {
    width: 100%;
    min-height: 100%;
    border: 0;
    border-radius: 0;
}

.product-card__body,
.project-card__body {
    display: grid;
    gap: 0.4rem;
    padding: var(--space-3);
}

.meta-line {
    color: var(--color-muted);
    font-size: 0.86rem;
}

.card-title {
    color: var(--color-ink);
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
}

.archive-header,
.page-header {
    padding: var(--space-6) 0 var(--space-4);
}

.archive-header h1,
.page-header h1 {
    max-width: 18ch;
}

.product-detail {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.8fr);
    gap: var(--space-6);
    align-items: start;
    padding: var(--space-6) 0;
}

.product-detail__media {
    border: 1px solid var(--color-line);
    border-radius: 8px;
    background: var(--color-surface);
    overflow: hidden;
}

.product-detail__media img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-4);
    background: var(--color-surface);
}

.spec-table th,
.spec-table td {
    border-bottom: 1px solid var(--color-line);
    padding: 0.75rem 0;
    text-align: left;
    vertical-align: top;
}

.spec-table th {
    width: 36%;
    color: var(--color-muted);
    font-weight: 700;
}

.content {
    max-width: 760px;
}

.content > *:first-child {
    margin-top: 0;
}

.b2b-inquiry-form {
    display: grid;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.b2b-inquiry-form label {
    display: grid;
    gap: 0.35rem;
    color: var(--color-muted);
    font-weight: 700;
}

.b2b-inquiry-form input,
.b2b-inquiry-form textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    border-radius: 6px;
    background: #ffffff;
    color: var(--color-ink);
    font: inherit;
    padding: 0.75rem;
}

.site-footer {
    margin-top: var(--space-6);
    padding: var(--space-6) 0;
    background: #16231f;
    color: #eff5f2;
}

.site-footer a {
    color: #ffffff;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: var(--space-5);
}

.site-footer p {
    color: #cbd8d3;
}

.placeholder-note {
    border-left: 4px solid var(--color-signal);
    background: #fff8ed;
    color: #5a3a16;
    padding: var(--space-3);
}

@media (max-width: 920px) {
    .hero__grid,
    .product-detail,
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .grid--4,
    .grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section__header {
        display: grid;
        align-items: start;
    }

    h1 {
        font-size: 3.15rem;
    }

    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .site-header__inner {
        align-items: flex-start;
        flex-direction: column;
        padding: var(--space-3) 0;
    }

    .site-nav ul {
        justify-content: flex-start;
    }

    .grid--4,
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: var(--space-5);
    }

    h1 {
        font-size: 2.35rem;
    }

    h2 {
        font-size: 1.8rem;
    }
}