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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
}

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

body {
    background-color: var(--canvas);
    color: var(--body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

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

ul, ol { list-style: none; }

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

/* NAV */
.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    flex-shrink: 0;
}

.nav-logo:hover { color: var(--ink); }

.logo-dot { color: var(--primary); font-weight: 400; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
    white-space: nowrap;
}

.nav-link:hover { color: var(--ink); background: var(--surface-strong); }

.nav-dropdown { position: relative; }

.nav-sub {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    min-width: 220px;
    padding: 8px;
    box-shadow: 0 4px 16px rgba(38,37,30,0.06);
    z-index: 200;
}

.nav-dropdown:hover .nav-sub,
.nav-dropdown:focus-within .nav-sub { display: block; }

.nav-sub li a {
    display: block;
    font-size: 14px;
    color: var(--body);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}

.nav-sub li a:hover { color: var(--ink); background: var(--canvas); }

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

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

/* COOKIE */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 640px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(38,37,30,0.08);
}

.cookie-inner {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-inner p { font-size: 14px; color: var(--body); flex: 1 1 260px; }

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

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.btn--primary {
    background: var(--primary);
    color: var(--on-primary);
}

.btn--primary:hover { background: var(--primary-active); color: var(--on-primary); }

.btn--secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
}

.btn--secondary:hover { background: var(--canvas); }

/* HERO */
.hero {
    padding: 80px 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
}

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.4px;
    color: var(--ink);
    max-width: 720px;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 18px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.55;
    margin-bottom: 40px;
}

.hero-meta {
    font-size: 13px;
    color: var(--muted);
}

/* SECTIONS */
.section {
    padding: 80px 0;
}

.section--alt {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
    border-bottom: 1px solid var(--hairline-soft);
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.55;
    margin-bottom: 48px;
}

/* CARDS */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.15s;
}

.card:hover { border-color: var(--hairline-strong); }

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.card-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 10px;
}

.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--primary); }

.card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    margin-bottom: 16px;
}

.card-meta {
    font-size: 12px;
    color: var(--muted);
}

/* ARTICLE */
.article-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline-soft);
}

.article-hero h1 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -0.8px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 760px;
}

.article-hero .article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.article-body {
    padding: 64px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    align-items: start;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    line-height: 1.25;
    margin: 40px 0 16px;
}

.article-content h2:first-child { margin-top: 0; }

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}

.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 20px;
    padding-left: 0;
}

.article-content ul { list-style: none; }

.article-content ul li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    padding: 6px 0 6px 20px;
    position: relative;
}

.article-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.article-content ol { list-style: none; counter-reset: ol-counter; }

.article-content ol li {
    counter-increment: ol-counter;
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    padding: 8px 0 8px 36px;
    position: relative;
    border-bottom: 1px solid var(--hairline-soft);
}

.article-content ol li:last-child { border-bottom: none; }

.article-content ol li::before {
    content: counter(ol-counter);
    position: absolute;
    left: 0;
    top: 8px;
    width: 22px;
    height: 22px;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover { color: var(--primary-active); }

.article-img {
    width: 100%;
    border-radius: var(--radius-lg);
    margin: 32px 0;
    border: 1px solid var(--hairline);
}

.article-img-caption {
    font-size: 13px;
    color: var(--muted);
    margin-top: -24px;
    margin-bottom: 32px;
    padding: 0 4px;
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin: 28px 0;
}

.info-box p {
    font-size: 15px;
    color: var(--body-strong);
    margin-bottom: 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}

.data-table th {
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--hairline);
}

.data-table td {
    padding: 10px 16px;
    color: var(--body);
    border-bottom: 1px solid var(--hairline-soft);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--canvas-soft); }

/* SIDEBAR */
.article-sidebar {}

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
}

.sidebar-card h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-card ul li {
    padding: 6px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-card ul li:last-child { border-bottom: none; }

.sidebar-card ul li a {
    font-size: 14px;
    color: var(--body);
}

.sidebar-card ul li a:hover { color: var(--primary); }

/* PAGE HERO */
.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline-soft);
}

.page-hero h1 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
}

.page-body {
    padding: 64px 0;
}

.page-content h2 {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 40px 0 14px;
}

.page-content h2:first-child { margin-top: 0; }

.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 16px;
    max-width: 720px;
}

.page-content ul {
    margin-bottom: 20px;
    padding-left: 0;
    list-style: none;
}

.page-content ul li {
    font-size: 16px;
    color: var(--body);
    padding: 5px 0 5px 20px;
    position: relative;
}

.page-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 5px;
    height: 5px;
    background: var(--muted);
    border-radius: 50%;
}

/* CONTACT FORM */
.contact-section {
    padding: 80px 0;
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
}

.contact-wrap {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    font-family: inherit;
    color: var(--ink);
    transition: border-color 0.15s;
    appearance: none;
    -webkit-appearance: none;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ink);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
}

.form-error-msg {
    font-size: 13px;
    color: var(--error);
    margin-top: 4px;
    display: none;
}

.form-success {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    display: none;
}

.form-success p {
    font-size: 16px;
    color: var(--body-strong);
}

.btn--loading { opacity: 0.7; pointer-events: none; }

/* FOOTER */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}

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

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

.footer-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    display: inline-block;
    margin-bottom: 12px;
}

.footer-logo span { color: var(--primary); }

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
}

.footer-col-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.footer-col ul li { padding: 4px 0; }

.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
}

.footer-col ul li a:hover { color: var(--ink); }

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
}

.footer-copy {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 12px;
    color: var(--muted-soft);
    max-width: 680px;
    line-height: 1.55;
}

/* HOME — FEATURES */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.feature-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
}

/* BREADCRUMB */
.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 6px; }

/* ABOUT TEAM */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 36px; letter-spacing: -0.9px; }
    .section-title { font-size: 28px; }
    .article-hero h1 { font-size: 28px; }

    .nav-toggle { display: flex; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface-card);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px;
    }

    .nav-menu.is-open { display: flex; }

    .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); }

    .nav-dropdown .nav-sub {
        position: static;
        border: none;
        border-radius: 0;
        box-shadow: none;
        padding: 0 0 0 16px;
        background: transparent;
        display: block;
    }

    .cards-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .article-sidebar { grid-template-columns: 1fr; }
    .cookie-inner { flex-direction: column; gap: 16px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .container { padding: 0 16px; }
    .section { padding: 48px 0; }
    .hero { padding: 48px 0; }
}