/* =========================================================
   中投區國中升學資訊網 — Homepage
   Design tokens
   ========================================================= */
:root {
    --bg: #F6F7F4;
    --paper: #FFFFFF;
    --ink: #14181C;
    --ink-soft: #565D63;
    --ink-faint: #8A9096;
    --line: #E3E5E0;
    --line-strong: #D2D5CE;

    --brand: #1F3358;
    --brand-deep: #16233F;
    --brand-tint: #EEF1F6;

    --amber: #C9832A;
    --amber-tint: #FBF1E2;
    --jade: #2B7F6B;
    --jade-tint: #E9F3EF;

    --font-cjk: 'Noto Sans TC', sans-serif;
    --font-latin: 'Plus Jakarta Sans', sans-serif;

    --shell-max: 1120px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;

    --ease: cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-cjk);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    letter-spacing: 0.01em;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.section-shell {
    max-width: var(--shell-max);
    margin: 0 auto;
    padding: 0 32px;
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 4px;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
    max-width: var(--shell-max);
    margin: 0 auto;
    padding: 24px 32px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 30px;
    height: 30px;
    color: var(--brand);
    flex-shrink: 0;
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-name {
    font-family: var(--font-latin);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.01em;
    color: var(--ink);
}

.site-nav {
    display: flex;
    gap: 32px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--ink-soft);
}

.site-nav a { transition: color 0.2s var(--ease); }
.site-nav a:hover { color: var(--ink); }

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    padding: 9px 16px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
    white-space: nowrap;
}

.nav-cta span { transition: transform 0.2s var(--ease); }
.nav-cta:hover { border-color: var(--brand); background: var(--brand-tint); }
.nav-cta:hover span { transform: translateX(2px); }

/* =========================================================
   Hero
   ========================================================= */
.hero { padding: 64px 0 0; }

.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 24px;
    padding-top: 24px;
    padding-bottom: 40px;
}

.eyebrow {
    font-family: var(--font-latin);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand);
    margin: 0 0 20px;
}

.hero-copy h1 {
    font-size: clamp(40px, 5.6vw, 64px);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 0 0 22px;
    color: var(--ink);
}

.hero-copy h1 span { color: var(--brand); }

.hero-lede {
    font-size: 18px;
    line-height: 1.7;
    color: var(--ink-soft);
    max-width: 30em;
    margin: 0 0 36px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15.5px;
    font-weight: 700;
    padding: 15px 26px;
    border-radius: 999px;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.button span { transition: transform 0.2s var(--ease); }

.button-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 1px 2px rgba(20, 24, 28, 0.06);
}

.button-primary:hover {
    background: var(--brand-deep);
    box-shadow: 0 10px 24px -8px rgba(31, 51, 88, 0.45);
}

.button-primary:hover span { transform: translateX(3px); }

.hero-quiet-link {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line-strong);
    padding-bottom: 2px;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.hero-quiet-link:hover { color: var(--ink); border-color: var(--ink); }

/* --- Hero visual: fork diagram, the page's signature element --- */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.fork-diagram {
    width: 100%;
    max-width: 400px;
    color: var(--line-strong);
    overflow: visible;
}

.fork-trunk,
.fork-branch {
    fill: none;
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
    animation: draw-path 1.1s var(--ease) forwards;
}

.fork-trunk { animation-delay: 0.1s; color: var(--ink-faint); }
.fork-branch-a { animation-delay: 0.5s; color: var(--amber); }
.fork-branch-b { animation-delay: 0.5s; color: var(--jade); }

@keyframes draw-path {
    to { stroke-dashoffset: 0; }
}

.fork-node { fill: var(--ink-faint); opacity: 0; animation: node-in 0.4s var(--ease) forwards; }
.fork-node-start { animation-delay: 0.1s; }
.fork-node-split { animation-delay: 0.5s; }
.fork-node-a { fill: var(--amber); animation-delay: 1.3s; }
.fork-node-b { fill: var(--jade); animation-delay: 1.3s; }

@keyframes node-in {
    from { opacity: 0; transform: scale(0.3); }
    to { opacity: 1; transform: scale(1); }
}

.fork-label {
    font-family: var(--font-cjk);
    font-size: 15px;
    font-weight: 700;
    fill: var(--ink);
    opacity: 0;
    animation: node-in 0.5s var(--ease) forwards;
    animation-delay: 1.5s;
}

@media (prefers-reduced-motion: reduce) {
    .fork-trunk, .fork-branch { stroke-dashoffset: 0; }
    .fork-node, .fork-label { opacity: 1; }
}

/* --- Exam countdown strip --- */
.exam-status {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink-soft);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 0 4px var(--amber-tint);
    flex-shrink: 0;
}

.status-text { font-weight: 500; }

.status-time {
    font-family: var(--font-latin);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.01em;
}

.status-time b {
    font-weight: 700;
    color: var(--brand);
}

.status-time b:not(:last-child) { margin-right: 2px; }

/* =========================================================
   Section heading (shared)
   ========================================================= */
.section-heading {
    max-width: 640px;
    margin: 0 0 48px;
}

.section-label {
    font-family: var(--font-latin);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand);
    margin: 0 0 14px;
}

.section-heading h2 {
    font-size: clamp(26px, 3.4vw, 34px);
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.005em;
    margin: 0 0 12px;
    color: var(--ink);
}

.section-sub {
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink-soft);
    margin: 0;
}

/* =========================================================
   Pathways
   ========================================================= */
.pathways-section { padding: 96px 0; }

.pathway-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.pathway-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 44px 40px 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.pathway-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 48px -24px rgba(20, 24, 28, 0.16);
    border-color: var(--line-strong);
}

.pathway-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
}

.pathway-icon svg { width: 26px; height: 26px; }

.path-hs .pathway-icon { background: var(--amber-tint); color: var(--amber); }
.path-five .pathway-icon { background: var(--jade-tint); color: var(--jade); }

.pathway-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 12px;
    color: var(--ink);
}

.pathway-card p {
    font-size: 15.5px;
    line-height: 1.75;
    color: var(--ink-soft);
    margin: 0 0 28px;
    flex-grow: 1;
}

.pathway-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14.5px;
    font-weight: 700;
    color: var(--ink);
    padding-top: 18px;
    border-top: 1px solid var(--line);
    width: 100%;
}

.pathway-link span { transition: transform 0.2s var(--ease); color: inherit; }
.pathway-card:hover .pathway-link span { transform: translateX(4px); }
.path-hs:hover .pathway-link { color: var(--amber); }
.path-five:hover .pathway-link { color: var(--jade); }

/* =========================================================
   Tools
   ========================================================= */
.tools-section {
    padding: 0 0 112px;
}

.tools-section .section-heading { margin-bottom: 36px; }

.tool-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.tool-row a {
    background: var(--paper);
    padding: 30px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: background 0.2s var(--ease);
}

.tool-row a:hover { background: var(--brand-tint); }

.tool-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--bg);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-icon svg { width: 19px; height: 19px; }

.tool-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
}

/* =========================================================
   Footer
   ========================================================= */
footer {
    border-top: 1px solid var(--line);
    padding: 36px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-soft);
    transition: color 0.2s var(--ease);
}

.footer-link span { transition: transform 0.2s var(--ease); }
.footer-link:hover { color: var(--brand); }
.footer-link:hover span { transform: translateX(3px); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .hero-visual { order: -1; margin-bottom: 8px; }
    .fork-diagram { max-width: 300px; }
    .tool-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .site-header { padding: 20px 20px 0; }
    .section-shell { padding: 0 20px; }
    .brand-name { font-size: 13.5px; }
    .site-nav { display: none; }
    .nav-cta { font-size: 13px; padding: 8px 14px; }

    .hero { padding-top: 40px; }
    .hero-inner { padding-bottom: 28px; }
    .hero-copy h1 { font-size: 36px; }
    .hero-lede { font-size: 16px; }
    .hero-actions { gap: 16px; }

    .exam-status {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .pathways-section { padding: 64px 0; }
    .pathway-grid { grid-template-columns: 1fr; }
    .pathway-card { padding: 32px 28px; }

    .tools-section { padding-bottom: 72px; }
    .tool-row { grid-template-columns: 1fr; }
}