@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;900&display=swap');

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

:root {
    --black:       #0e0f0c;
    --green:       #9fe870;
    --green-dark:  #163300;
    --green-light: #e2f6d5;
    --green-mint:  #cdffad;
    --gray:        #868685;
    --warm-dark:   #454745;
    --surface:     #e8ebe6;
    --white:       #ffffff;
    --radius-pill: 9999px;
    --radius-lg:   40px;
    --radius-md:   30px;
    --radius-sm:   16px;
    --shadow-ring: rgba(14,15,12,0.12) 0 0 0 1px;
    --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;
    line-height: 1.44;
    letter-spacing: 0.18px;
    color: var(--black);
    background: var(--white);
    font-feature-settings: "calt";
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
address { font-style: normal; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--green);
    color: var(--green-dark);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.108px;
    font-feature-settings: "calt";
    line-height: 1.44;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease;
}
.btn-primary:hover { transform: scale(1.05); text-decoration: none; }
.btn-primary:active { transform: scale(0.95); }
.btn-primary:focus-visible { outline: 3px solid var(--green-dark); outline-offset: 3px; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(22,51,0,0.08);
    color: var(--black);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.108px;
    font-feature-settings: "calt";
    line-height: 1.44;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease;
}
.btn-secondary:hover { transform: scale(1.05); text-decoration: none; }
.btn-secondary:active { transform: scale(0.95); }

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    box-shadow: var(--shadow-ring);
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.nav-logo:hover { text-decoration: none; }
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}
.nav-links a {
    font-size: 15px;
    font-weight: 600;
    color: var(--warm-dark);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: rgba(211,242,192,0.4); color: var(--black); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--black); background: var(--green-light); }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: transform 0.2s;
}

.hero {
    background: var(--white);
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.hero-content { display: flex; flex-direction: column; gap: 24px; }
.hero-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--green-dark);
    background: var(--green-light);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    width: fit-content;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(48px, 6vw, 96px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -2px;
    font-feature-settings: "calt";
    color: var(--black);
}
.hero-sub {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--warm-dark);
    max-width: 460px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image img {
    border-radius: var(--radius-md);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    box-shadow: var(--shadow-ring);
}

.section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 12px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 64px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -1.5px;
    font-feature-settings: "calt";
    color: var(--black);
    margin-bottom: 40px;
}
.section-title span { color: var(--green-dark); }

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-ring);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: rgba(14,15,12,0.18) 0 8px 24px; }
.card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.card-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-tag {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--green-dark);
    background: var(--green-light);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    width: fit-content;
}
.card-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.396px;
    font-feature-settings: "calt";
    color: var(--black);
}
.card-title a:hover { text-decoration: underline; }
.card-excerpt {
    font-size: 15px;
    font-weight: 400;
    line-height: 1.55;
    color: var(--warm-dark);
    flex: 1;
}
.card-meta {
    font-size: 13px;
    color: var(--gray);
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--surface);
}
.card-read {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--green-dark);
    margin-top: 4px;
}
.card-read:hover { text-decoration: underline; }

.provinces-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 40px;
}
.province-card {
    background: var(--green-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.province-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--green-dark);
}
.province-detail {
    font-size: 13px;
    color: var(--warm-dark);
    line-height: 1.5;
}

.highlight-band {
    background: var(--black);
    color: var(--white);
    padding: 80px 24px;
}
.highlight-band-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.highlight-band h2 {
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 64px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -1.5px;
    font-feature-settings: "calt";
    color: var(--green);
}
.highlight-band p {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    margin-top: 20px;
}
.highlight-band img {
    border-radius: var(--radius-md);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.tip-card {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(14,15,12,0.12);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.tip-icon {
    font-size: 28px;
    line-height: 1;
}
.tip-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
}
.tip-text {
    font-size: 15px;
    color: var(--warm-dark);
    line-height: 1.55;
}

.article-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 24px 0;
}
.article-hero-img {
    width: 100%;
    border-radius: var(--radius-md);
    aspect-ratio: 21/9;
    object-fit: cover;
    margin-top: 32px;
}
.breadcrumb {
    font-size: 13px;
    color: var(--gray);
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--black); text-decoration: underline; }
.breadcrumb span { color: var(--warm-dark); }

.article-header { max-width: 760px; }
.article-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--green-dark);
    background: var(--green-light);
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}
.article-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 60px);
    font-weight: 900;
    line-height: 0.92;
    letter-spacing: -1.5px;
    font-feature-settings: "calt";
    color: var(--black);
    margin-bottom: 20px;
}
.article-meta {
    font-size: 14px;
    color: var(--gray);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 8px;
}
.article-meta time { font-weight: 600; color: var(--warm-dark); }

.article-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    display: grid;
    grid-template-columns: minmax(0,1fr) 300px;
    gap: 64px;
    align-items: start;
}
.article-body { max-width: 760px; }
.article-body h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.5vw, 36px);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.8px;
    font-feature-settings: "calt";
    color: var(--black);
    margin: 40px 0 16px;
}
.article-body h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
    margin: 28px 0 12px;
}
.article-body p {
    font-size: 17px;
    font-weight: 400;
    line-height: 1.7;
    color: #2a2b28;
    margin-bottom: 18px;
}
.article-body ul, .article-body ol {
    margin: 0 0 18px 20px;
    list-style: disc;
}
.article-body ol { list-style: decimal; }
.article-body li {
    font-size: 17px;
    line-height: 1.65;
    color: #2a2b28;
    margin-bottom: 6px;
}
.article-body a { color: var(--green-dark); text-decoration: underline; }
.article-body a:hover { color: var(--black); }
.article-body strong { font-weight: 700; }
.article-body blockquote {
    border-left: 4px solid var(--green);
    padding: 16px 20px;
    margin: 24px 0;
    background: var(--green-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 17px;
    font-style: italic;
    color: var(--warm-dark);
}
.article-body .info-box {
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin: 24px 0;
}
.article-body .info-box p { margin-bottom: 0; }

.article-sidebar { position: sticky; top: 80px; }
.sidebar-widget {
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-widget-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--warm-dark);
    margin-bottom: 16px;
}
.sidebar-widget ul { display: flex; flex-direction: column; gap: 8px; }
.sidebar-widget li a {
    font-size: 14px;
    font-weight: 600;
    color: var(--green-dark);
}
.sidebar-widget li a:hover { text-decoration: underline; }

.page-wrapper {
    max-width: 860px;
    margin: 0 auto;
    padding: 64px 24px 80px;
}
.page-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 64px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -1.5px;
    font-feature-settings: "calt";
    color: var(--black);
    margin-bottom: 32px;
}
.page-body h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 32px 0 14px;
    color: var(--black);
}
.page-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 20px 0 10px;
    color: var(--black);
}
.page-body p {
    font-size: 17px;
    line-height: 1.7;
    color: #2a2b28;
    margin-bottom: 16px;
}
.page-body ul { margin: 0 0 16px 20px; list-style: disc; }
.page-body li { font-size: 17px; line-height: 1.65; margin-bottom: 6px; }
.page-body a { color: var(--green-dark); text-decoration: underline; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 40px;
}
.about-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}
.stat-block {
    background: var(--green-light);
    border-radius: var(--radius-sm);
    padding: 20px;
}
.stat-number {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -1px;
    color: var(--green-dark);
}
.stat-label {
    font-size: 14px;
    color: var(--warm-dark);
    margin-top: 6px;
}

.difficulty-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-ring);
}
.difficulty-table th {
    background: var(--black);
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: left;
    padding: 12px 16px;
}
.difficulty-table td {
    font-size: 15px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--surface);
    vertical-align: top;
}
.difficulty-table tr:last-child td { border-bottom: none; }
.difficulty-table tr:nth-child(even) td { background: #fafafa; }
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
}
.badge-easy { background: #d4f5d4; color: #1a6b1a; }
.badge-moderate { background: #fff3cd; color: #7a5a00; }
.badge-hard { background: #ffd5cc; color: #8b1a1a; }
.badge-expert { background: #e8d0ff; color: #4a1a7a; }

.site-footer {
    background: var(--black);
    color: rgba(255,255,255,0.75);
    padding: 60px 24px 0;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 900;
    color: var(--white);
    display: block;
    margin-bottom: 12px;
}
.footer-tagline {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.55);
    margin-bottom: 20px;
}
.footer-contact p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
}
.footer-contact a { color: rgba(255,255,255,0.75); }
.footer-contact a:hover { color: var(--green); text-decoration: underline; }
.footer-col-heading {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li a {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}
.footer-col li a:hover { color: var(--green); text-decoration: underline; }
.footer-form { display: flex; flex-direction: column; gap: 10px; }
.footer-form input {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 14px;
    color: var(--white);
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.15s;
}
.footer-form input::placeholder { color: rgba(255,255,255,0.35); }
.footer-form input:focus { border-color: var(--green); }
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0 32px;
}
.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    line-height: 1.6;
}
.footer-disclaimer { margin-top: 6px; }

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--black);
    color: var(--white);
    padding: 18px 24px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    z-index: 9999;
    max-width: 560px;
    width: calc(100% - 48px);
    font-size: 14px;
    line-height: 1.5;
}
.cookie-banner p { flex: 1; }
.cookie-banner a { color: var(--green); }
.cookie-banner.hidden { display: none; }
.cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }

@media (max-width: 992px) {
    .hero, .highlight-band-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { order: -1; }
    .card-grid, .tips-grid { grid-template-columns: 1fr 1fr; }
    .provinces-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--white); padding: 16px 24px; box-shadow: var(--shadow-ring); gap: 4px; }
    .nav-links.open { display: flex; }
    .nav-toggle { display: flex; }
    .card-grid, .tips-grid, .provinces-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .about-stat-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 48px; }
    .hero-actions { flex-direction: column; }
    .cookie-banner { flex-direction: column; align-items: flex-start; }
}