@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;900&display=swap');

:root {
    --near-black: #0e0f0c;
    --wise-green: #9fe870;
    --dark-green: #163300;
    --light-mint: #e2f6d5;
    --pastel-green: #cdffad;
    --warm-dark: #454745;
    --gray: #868685;
    --light-surface: #e8ebe6;
    --bg: #ffffff;
    --ring-shadow: rgba(14,15,12,0.12) 0px 0px 0px 1px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-feature-settings: "calt";
    background: var(--bg);
    color: var(--near-black);
    font-weight: 400;
    font-size: 1.125rem;
    line-height: 1.44;
    letter-spacing: 0.18px;
}

a { color: var(--dark-green); text-decoration: none; border-radius: 2px; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; border-radius: 30px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.site-nav {
    background: var(--bg);
    border-bottom: 1px solid rgba(14,15,12,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-nav .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 24px;
}
.nav-logo {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--near-black);
    letter-spacing: -0.5px;
    font-feature-settings: "calt";
    white-space: nowrap;
}
.nav-logo span { color: var(--dark-green); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--near-black);
    padding: 6px 14px;
    border-radius: 9999px;
    transition: background 0.15s;
    font-feature-settings: "calt";
    letter-spacing: -0.108px;
}
.nav-links a:hover {
    background: rgba(211,242,192,0.4);
    text-decoration: none;
}
.nav-cta {
    background: var(--wise-green);
    color: var(--dark-green) !important;
    padding: 8px 20px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.15s;
    display: inline-block;
}
.nav-cta:hover { transform: scale(1.05); text-decoration: none !important; }
.nav-cta:active { transform: scale(0.95); }

.nav-burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.nav-burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--near-black);
    border-radius: 2px;
    transition: 0.2s;
}

/* HERO */
.hero {
    padding: 80px 0 64px;
    background: var(--bg);
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero-title {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 0.85;
    letter-spacing: normal;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin-bottom: 24px;
}
.hero-title em {
    font-style: normal;
    color: var(--dark-green);
}
.hero-desc {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--warm-dark);
    line-height: 1.6;
    margin-bottom: 32px;
    letter-spacing: 0.18px;
}
.hero-meta {
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 400;
    margin-bottom: 32px;
}
.hero-img { border-radius: 30px; overflow: hidden; box-shadow: var(--ring-shadow); }
.hero-img img { width: 100%; height: 420px; object-fit: cover; border-radius: 30px; }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 9999px;
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.108px;
    font-feature-settings: "calt";
    transition: transform 0.15s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}
.btn:hover { transform: scale(1.05); text-decoration: none; }
.btn:active { transform: scale(0.95); }
.btn-primary { background: var(--wise-green); color: var(--dark-green); }
.btn-secondary {
    background: rgba(22,51,0,0.08);
    color: var(--near-black);
    padding: 8px 20px;
}

/* SECTIONS */
section { padding: 64px 0; }

.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--dark-green);
    text-transform: uppercase;
    margin-bottom: 12px;
    font-feature-settings: "calt";
}
.section-title {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 0.85;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1.125rem;
    color: var(--warm-dark);
    line-height: 1.6;
    max-width: 640px;
    letter-spacing: 0.18px;
}

/* CARDS GRID */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.card {
    border-radius: 30px;
    border: 1px solid rgba(14,15,12,0.12);
    overflow: hidden;
    background: var(--bg);
    transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 8px 32px rgba(14,15,12,0.10); }
.card-img { aspect-ratio: 16/10; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.card-body { padding: 24px; }
.card-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dark-green);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.card-title {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    line-height: 1.23;
    letter-spacing: -0.39px;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin-bottom: 10px;
}
.card-desc {
    font-size: 0.95rem;
    color: var(--warm-dark);
    line-height: 1.55;
    margin-bottom: 16px;
}
.card-link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-green);
    letter-spacing: -0.108px;
    font-feature-settings: "calt";
}
.card-link:hover { text-decoration: underline; }

/* STONE TYPES */
.stones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.stone-card {
    background: var(--light-surface);
    border-radius: 30px;
    padding: 32px 28px;
    position: relative;
    border: 1px solid rgba(14,15,12,0.08);
}
.stone-badge {
    display: inline-block;
    background: var(--wise-green);
    color: var(--dark-green);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 9999px;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
    font-feature-settings: "calt";
}
.stone-card h3 {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 600;
    font-size: 1.375rem;
    color: var(--near-black);
    margin-bottom: 12px;
    font-feature-settings: "calt";
    letter-spacing: -0.39px;
}
.stone-card p {
    font-size: 0.95rem;
    color: var(--warm-dark);
    line-height: 1.6;
    margin-bottom: 16px;
}
.stone-specs {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stone-specs li {
    font-size: 0.875rem;
    color: var(--warm-dark);
    display: flex;
    gap: 8px;
    align-items: flex-start;
}
.stone-specs li::before {
    content: "—";
    color: var(--dark-green);
    font-weight: 600;
    flex-shrink: 0;
}

/* FEATURE BANNER */
.feature-banner {
    background: var(--near-black);
    color: #fff;
    border-radius: 40px;
    padding: 64px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.feature-banner h2 {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    line-height: 0.9;
    color: #fff;
    font-feature-settings: "calt";
    margin-bottom: 20px;
}
.feature-banner h2 span { color: var(--wise-green); }
.feature-banner p {
    font-size: 1rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.6;
    margin-bottom: 28px;
}
.feature-banner img { border-radius: 24px; width: 100%; height: 300px; object-fit: cover; }

/* CONTACT FORM */
.contact-section { background: var(--light-surface); border-radius: 40px; padding: 64px 48px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--near-black);
    letter-spacing: -0.084px;
    font-feature-settings: "calt";
}
.form-group input,
.form-group textarea {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--near-black);
    background: var(--bg);
    border: 1px solid rgba(14,15,12,0.20);
    border-radius: 10px;
    padding: 12px 16px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    font-feature-settings: "calt";
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--dark-green);
    box-shadow: rgb(134,134,133) 0px 0px 0px 1px inset;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; text-align: center; }

.contact-info h3 {
    font-weight: 900;
    font-size: 1.5rem;
    line-height: 0.85;
    margin-bottom: 20px;
    font-feature-settings: "calt";
}
.contact-info-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}
.contact-info-item strong {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-green);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}
.contact-info-item span { font-size: 0.95rem; color: var(--warm-dark); }

/* FOOTER */
.site-footer {
    background: var(--near-black);
    color: rgba(255,255,255,0.6);
    padding: 48px 0 32px;
    margin-top: 80px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .nav-logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.875rem; line-height: 1.6; }
.footer-col h4 {
    font-weight: 600;
    font-size: 0.875rem;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-feature-settings: "calt";
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
    transition: color 0.15s;
}
.footer-col ul a:hover { color: var(--wise-green); text-decoration: none; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.10);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--wise-green); }

/* ARTICLE PAGE */
.article-hero {
    padding: 48px 0 40px;
}
.article-breadcrumb {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 24px;
    display: flex;
    gap: 8px;
    align-items: center;
}
.article-breadcrumb a { color: var(--dark-green); font-weight: 600; }
.article-breadcrumb span { color: var(--gray); }
.article-header h1 {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 0.9;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--gray);
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.article-meta span { display: flex; align-items: center; gap: 4px; }
.article-cover { border-radius: 30px; overflow: hidden; margin-bottom: 48px; }
.article-cover img { width: 100%; height: 480px; object-fit: cover; border-radius: 30px; }
.article-content-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    align-items: start;
}
.article-body h2 {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: 1.75rem;
    line-height: 0.9;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin: 40px 0 16px;
}
.article-body h3 {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--near-black);
    margin: 28px 0 12px;
    font-feature-settings: "calt";
    letter-spacing: -0.39px;
}
.article-body p {
    font-size: 1.0625rem;
    color: var(--warm-dark);
    line-height: 1.7;
    margin-bottom: 20px;
    letter-spacing: 0.1px;
}
.article-body ul, .article-body ol {
    margin: 0 0 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.article-body li {
    font-size: 1.0625rem;
    color: var(--warm-dark);
    line-height: 1.6;
}
.article-body strong { color: var(--near-black); font-weight: 600; }
.article-body a { color: var(--dark-green); font-weight: 600; }
.article-body a:hover { text-decoration: underline; }
.article-img-inline { border-radius: 20px; margin: 28px 0; overflow: hidden; }
.article-img-inline img { width: 100%; height: 300px; object-fit: cover; border-radius: 20px; }
.article-img-inline figcaption {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 8px;
    padding: 0 4px;
}

.article-sidebar { position: sticky; top: 80px; }
.sidebar-toc {
    background: var(--light-surface);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-toc h4 {
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--near-black);
    margin-bottom: 14px;
    font-feature-settings: "calt";
}
.sidebar-toc ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sidebar-toc li a {
    font-size: 0.875rem;
    color: var(--warm-dark);
    font-weight: 600;
    transition: color 0.15s;
    font-feature-settings: "calt";
    letter-spacing: -0.084px;
}
.sidebar-toc li a:hover { color: var(--dark-green); }
.sidebar-related { background: var(--light-surface); border-radius: 20px; padding: 24px; }
.sidebar-related h4 {
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--near-black);
    margin-bottom: 14px;
    font-feature-settings: "calt";
}
.sidebar-related ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sidebar-related li a {
    font-size: 0.875rem;
    color: var(--dark-green);
    font-weight: 600;
    font-feature-settings: "calt";
}
.sidebar-related li a:hover { text-decoration: underline; }

/* STATIC PAGES */
.page-hero { padding: 64px 0 48px; }
.page-hero h1 {
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    line-height: 0.85;
    color: var(--near-black);
    font-feature-settings: "calt";
    margin-bottom: 16px;
}
.page-hero p { font-size: 1.125rem; color: var(--warm-dark); line-height: 1.6; max-width: 640px; }
.page-content { padding-bottom: 80px; max-width: 800px; }
.page-content h2 {
    font-weight: 900;
    font-size: 1.75rem;
    line-height: 0.9;
    color: var(--near-black);
    margin: 36px 0 14px;
    font-feature-settings: "calt";
}
.page-content h3 {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--near-black);
    margin: 24px 0 10px;
    font-feature-settings: "calt";
}
.page-content p { font-size: 1rem; color: var(--warm-dark); line-height: 1.7; margin-bottom: 16px; }
.page-content ul { margin: 0 0 16px 24px; }
.page-content li { font-size: 1rem; color: var(--warm-dark); line-height: 1.6; margin-bottom: 6px; }
.page-content a { color: var(--dark-green); font-weight: 600; }
.page-updated { font-size: 0.875rem; color: var(--gray); margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(14,15,12,0.10); }

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 780px;
    background: var(--near-black);
    color: rgba(255,255,255,0.85);
    border-radius: 20px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 9999;
    box-shadow: 0 8px 40px rgba(0,0,0,0.28);
    flex-wrap: wrap;
}
#cookie-banner p {
    font-size: 0.875rem;
    line-height: 1.5;
    flex: 1;
    min-width: 200px;
}
#cookie-banner p a { color: var(--wise-green); font-weight: 600; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
#cookie-accept {
    background: var(--wise-green);
    color: var(--dark-green);
    border: none;
    border-radius: 9999px;
    padding: 8px 20px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    transition: transform 0.15s;
}
#cookie-accept:hover { transform: scale(1.05); }
#cookie-reject {
    background: rgba(255,255,255,0.10);
    color: rgba(255,255,255,0.8);
    border: none;
    border-radius: 9999px;
    padding: 8px 20px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    font-family: 'Inter', Helvetica, Arial, sans-serif;
    transition: background 0.15s;
}
#cookie-reject:hover { background: rgba(255,255,255,0.18); }

/* DISCLAIMER */
.disclaimer-bar {
    background: var(--light-mint);
    border-bottom: 1px solid rgba(22,51,0,0.12);
    padding: 10px 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--dark-green);
    font-weight: 400;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-img { display: none; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
    .stones-grid { grid-template-columns: 1fr 1fr; }
    .feature-banner { grid-template-columns: 1fr; }
    .feature-banner img { display: none; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .article-content-grid { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
    .cards-grid { grid-template-columns: 1fr; }
    .stones-grid { grid-template-columns: 1fr; }
    .feature-banner { padding: 40px 24px; }
    .contact-section { padding: 40px 24px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .nav-links { display: none; }
    .nav-burger { display: flex; }
    .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg); padding: 16px 24px; border-bottom: 1px solid rgba(14,15,12,0.08); z-index: 99; }
    .hero-title { line-height: 1; }
    .section-title { line-height: 1; }
}