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

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

:root {
    --black: #0e0f0c;
    --green: #9fe870;
    --green-dark: #163300;
    --green-mint: #e2f6d5;
    --green-pastel: #cdffad;
    --gray: #868685;
    --gray-warm: #454745;
    --surface: #f7f9f5;
    --white: #ffffff;
    --border: rgba(14,15,12,0.12);
    --font-display: 'Inter', Helvetica, Arial, sans-serif;
    --font-body: 'Inter', Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    font-feature-settings: "calt";
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--green-dark);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

ul {
    list-style: none;
}

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

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 20px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: -0.5px;
    font-feature-settings: "calt";
    text-decoration: none;
    flex-shrink: 0;
}

.logo-dot {
    color: var(--green);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-list li a {
    display: inline-block;
    padding: 8px 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--black);
    border-radius: 9999px;
    transition: background 0.15s ease;
    text-decoration: none;
    font-feature-settings: "calt";
}

.nav-list li a:hover,
.nav-list li a.active {
    background: rgba(211,242,192,0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.hero {
    padding: 80px 0 64px;
    background: var(--white);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-label {
    display: inline-block;
    background: var(--green-mint);
    color: var(--green-dark);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 9999px;
    margin-bottom: 20px;
    font-feature-settings: "calt";
}

.hero h1 {
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 900;
    line-height: 0.92;
    color: var(--black);
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    font-feature-settings: "calt";
}

.hero-desc {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.55;
    color: var(--gray-warm);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-meta {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.hero-meta-item {
    display: flex;
    flex-direction: column;
}

.hero-meta-item strong {
    font-size: 22px;
    font-weight: 900;
    color: var(--black);
    line-height: 1;
    font-feature-settings: "calt";
}

.hero-meta-item span {
    font-size: 13px;
    color: var(--gray);
    margin-top: 4px;
}

.hero-image {
    border-radius: 30px;
    overflow: hidden;
    box-shadow: rgba(14,15,12,0.12) 0px 0px 0px 1px;
    aspect-ratio: 4/3;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section {
    padding: 72px 0;
}

.section-alt {
    background: var(--surface);
}

.section-header {
    margin-bottom: 48px;
}

.section-label {
    display: inline-block;
    background: var(--green-mint);
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-feature-settings: "calt";
}

.section-title {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 0.92;
    color: var(--black);
    letter-spacing: -1px;
    margin-bottom: 16px;
    font-feature-settings: "calt";
}

.section-sub {
    font-size: 18px;
    color: var(--gray-warm);
    max-width: 560px;
    line-height: 1.5;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 30px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: rgba(14,15,12,0.06) 0px 0px 0px 1px;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: rgba(14,15,12,0.14) 0px 12px 32px;
}

.article-card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article-card:hover .article-card-img img {
    transform: scale(1.04);
}

.article-card-body {
    padding: 24px;
}

.article-card-tag {
    display: inline-block;
    background: var(--green-mint);
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 12px;
    font-feature-settings: "calt";
}

.article-card-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--black);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
    font-feature-settings: "calt";
}

.article-card-title a {
    color: inherit;
    text-decoration: none;
}

.article-card-title a:hover {
    text-decoration: underline;
    text-decoration-color: var(--green);
}

.article-card-excerpt {
    font-size: 15px;
    color: var(--gray-warm);
    line-height: 1.55;
    margin-bottom: 16px;
}

.article-card-meta {
    font-size: 13px;
    color: var(--gray);
    display: flex;
    gap: 12px;
    align-items: center;
}

.article-card-meta::before {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: var(--border);
    margin-bottom: 12px;
    flex: none;
    width: auto;
}

.article-card-footer {
    padding: 0 24px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--gray);
    padding-top: 16px;
}

.read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--green-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-feature-settings: "calt";
}

.read-more:hover {
    text-decoration: underline;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.spec-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: rgba(14,15,12,0.06) 0px 0px 0px 1px;
}

.spec-card-icon {
    width: 44px;
    height: 44px;
    background: var(--green-mint);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 20px;
}

.spec-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 10px;
    letter-spacing: -0.2px;
    font-feature-settings: "calt";
}

.spec-card p {
    font-size: 15px;
    color: var(--gray-warm);
    line-height: 1.55;
}

.standards-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.standards-table th {
    background: var(--black);
    color: var(--white);
    padding: 14px 20px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    font-feature-settings: "calt";
}

.standards-table td {
    padding: 14px 20px;
    font-size: 15px;
    color: var(--gray-warm);
    border-bottom: 1px solid var(--border);
}

.standards-table tr:last-child td {
    border-bottom: none;
}

.standards-table tr:nth-child(even) td {
    background: var(--surface);
}

.contact-section {
    padding: 72px 0;
    background: var(--black);
}

.contact-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-heading {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 0.92;
    color: var(--white);
    letter-spacing: -1px;
    margin-bottom: 20px;
    font-feature-settings: "calt";
}

.contact-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.6);
    line-height: 1.55;
    margin-bottom: 32px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: rgba(255,255,255,0.75);
}

.contact-info-item a {
    color: var(--green);
    text-decoration: none;
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--white);
    border-radius: 30px;
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 8px;
    font-feature-settings: "calt";
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    font-family: var(--font-body);
    color: var(--black);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    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(--green);
    box-shadow: 0 0 0 3px rgba(159,232,112,0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    display: inline-block;
    background: var(--green);
    color: var(--green-dark);
    font-size: 16px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    width: 100%;
    font-family: var(--font-body);
    font-feature-settings: "calt";
    transition: transform 0.15s ease;
}

.btn-submit:hover {
    transform: scale(1.03);
}

.btn-submit:active {
    transform: scale(0.97);
}

.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 56px 0 32px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 20px;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 14px;
    font-feature-settings: "calt";
}

.footer-desc {
    font-size: 14px;
    color: var(--gray-warm);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 340px;
}

.footer-address {
    font-size: 14px;
    color: var(--gray-warm);
    line-height: 1.7;
    font-style: normal;
}

.footer-address a {
    color: var(--gray-warm);
    text-decoration: none;
}

.footer-address a:hover {
    color: var(--green-dark);
}

.footer-heading {
    font-size: 13px;
    font-weight: 600;
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    font-feature-settings: "calt";
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li a {
    font-size: 14px;
    color: var(--gray-warm);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-links li a:hover {
    color: var(--green-dark);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.55;
}

.footer-disclaimer {
    font-size: 12px !important;
    color: var(--gray) !important;
    opacity: 0.8;
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    background: var(--black);
    color: var(--white);
    border-radius: 16px;
    padding: 20px 28px;
    max-width: 560px;
    width: calc(100% - 48px);
    box-shadow: 0 8px 40px rgba(0,0,0,0.28);
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.cookie-text {
    font-size: 14px;
    line-height: 1.55;
    color: rgba(255,255,255,0.82);
    flex: 1;
}

.cookie-text a {
    color: var(--green);
    text-decoration: none;
}

.cookie-text a:hover {
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.btn-accept {
    background: var(--green);
    color: var(--green-dark);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform 0.15s;
    white-space: nowrap;
}

.btn-accept:hover { transform: scale(1.05); }
.btn-accept:active { transform: scale(0.95); }

.btn-reject {
    background: transparent;
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 9999px;
    border: 1px solid rgba(255,255,255,0.15);
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.btn-reject:hover { transform: scale(1.05); border-color: rgba(255,255,255,0.35); }
.btn-reject:active { transform: scale(0.95); }

.article-hero {
    padding: 64px 0 48px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.article-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.article-tag {
    background: var(--green-mint);
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 9999px;
    font-feature-settings: "calt";
}

.article-date {
    font-size: 13px;
    color: var(--gray);
}

.article-h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    line-height: 0.94;
    color: var(--black);
    letter-spacing: -1.2px;
    margin-bottom: 20px;
    font-feature-settings: "calt";
}

.article-lead {
    font-size: 20px;
    font-weight: 400;
    color: var(--gray-warm);
    line-height: 1.5;
    max-width: 660px;
}

.article-featured-img {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-featured-img figure {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 4px;
}

.article-featured-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.article-featured-img figcaption {
    font-size: 12px;
    color: var(--gray);
    padding: 8px 4px;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px;
}

.article-body h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 900;
    color: var(--black);
    line-height: 1;
    letter-spacing: -0.5px;
    margin: 48px 0 18px;
    font-feature-settings: "calt";
}

.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--black);
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin: 32px 0 14px;
    font-feature-settings: "calt";
}

.article-body p {
    font-size: 17px;
    color: var(--gray-warm);
    line-height: 1.65;
    margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 18px 24px;
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    font-size: 17px;
    color: var(--gray-warm);
    line-height: 1.65;
    margin-bottom: 8px;
}

.article-body a {
    color: var(--green-dark);
    text-decoration: underline;
    text-decoration-color: var(--green);
}

.article-body a:hover {
    color: var(--green-dark);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.article-body th {
    background: var(--black);
    color: var(--white);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-feature-settings: "calt";
}

.article-body td {
    padding: 12px 16px;
    color: var(--gray-warm);
    border-bottom: 1px solid var(--border);
}

.article-body tr:nth-child(even) td {
    background: var(--surface);
}

.article-body tr:last-child td {
    border-bottom: none;
}

.article-nav {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.article-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--green-dark);
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: 9999px;
    transition: background 0.15s;
}

.article-nav a:hover {
    background: var(--green-mint);
    border-color: var(--green);
}

.page-hero {
    padding: 64px 0 48px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.page-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-h1 {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 900;
    line-height: 0.92;
    color: var(--black);
    letter-spacing: -1.2px;
    margin-bottom: 16px;
    font-feature-settings: "calt";
}

.page-updated {
    font-size: 13px;
    color: var(--gray);
}

.page-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px;
}

.page-body h2 {
    font-size: 28px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: -0.4px;
    margin: 40px 0 14px;
    font-feature-settings: "calt";
}

.page-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    margin: 28px 0 12px;
    font-feature-settings: "calt";
}

.page-body p {
    font-size: 17px;
    color: var(--gray-warm);
    line-height: 1.65;
    margin-bottom: 16px;
}

.page-body ul {
    margin: 0 0 16px 24px;
    list-style: disc;
}

.page-body li {
    font-size: 17px;
    color: var(--gray-warm);
    line-height: 1.65;
    margin-bottom: 8px;
}

.page-body a {
    color: var(--green-dark);
    text-decoration: underline;
}

.success-msg {
    display: none;
    background: var(--green-mint);
    color: var(--green-dark);
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    font-feature-settings: "calt";
}

@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-image {
        order: -1;
        max-height: 300px;
    }
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .spec-grid {
        grid-template-columns: 1fr;
    }
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 4px;
    }
    .nav-list.open {
        display: flex;
    }
    .nav-toggle {
        display: flex;
    }
    .site-nav {
        position: relative;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero {
        padding: 48px 0 40px;
    }
    .cookie-banner {
        flex-direction: column;
        bottom: 12px;
    }
    .cookie-actions {
        flex-direction: row;
    }
}