/* ===== SHARED DESIGN SYSTEM — MiniKen Insurance Studio ===== */

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

:root {
    --bg: #050508;
    --surface: #0d0d12;
    --surface-2: #141419;
    --surface-3: #1c1c24;
    --border: #222230;
    --border-bright: #333348;
    --text-primary: #F0F0F5;
    --text-secondary: #9090A8;
    --text-muted: #555570;
    --lime: #8AFF45;
    --lime-hover: #9EFF55;
    --lime-dim: rgba(138, 255, 69, 0.08);
    --lime-border: rgba(138, 255, 69, 0.2);
    --accent: #8AFF45;
    --accent-hover: #9EFF55;
    --accent-dim: rgba(138, 255, 69, 0.08);
    --accent-border: rgba(138, 255, 69, 0.2);
    --font-sans: 'Noto Sans TC', 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'DM Sans', 'Noto Sans TC', sans-serif;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --container: 1200px;
    --radius: 14px;
    --radius-sm: 8px;
    --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--lime);
    color: #050508;
}

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

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

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ===== NAV ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.nav-logo span { color: var(--lime); }

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--lime);
    color: #050508;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--lime-hover);
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    border-radius: 2px;
}

/* ===== PAGE HERO ===== */
.page-hero {
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(138,255,69,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: var(--lime-dim);
    border: 1px solid var(--lime-border);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--lime);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.page-hero-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--lime);
    border-radius: 50%;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.25rem;
    max-width: 700px;
}

.page-hero h1 .accent { color: var(--lime); }
.page-hero h1 .lime { color: var(--lime); }

.page-hero-sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-muted);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* ===== SECTION LABEL ===== */
.section-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--lime);
}

/* ===== CONTENT SECTION ===== */
.content-section {
    padding: var(--space-16) 0;
    border-top: 1px solid var(--border);
}

.content-section:first-of-type {
    border-top: none;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.content-text h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.content-text p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.content-text ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.content-text li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.content-text li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--lime);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.5rem;
}

.content-card {
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.content-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

/* ===== FEATURE GRID ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 1.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--lime-border);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== STAT BLOCK ===== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 3rem;
}

.stat-block {
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
}

.stat-block .stat-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--lime);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-block .stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ===== TABLE ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.data-table th,
.data-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--surface);
}

.data-table td {
    color: var(--text-secondary);
}

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

.data-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

/* ===== CTA BLOCK ===== */
.cta-block {
    padding: 3rem;
    background: var(--surface);
    border: 1px solid var(--lime-border);
    border-radius: var(--radius);
    text-align: center;
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--lime), transparent);
}

.cta-block h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.cta-block p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 400px;
    margin-inline: auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    background: var(--lime);
    color: #050508;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary:hover {
    background: var(--lime-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(138, 255, 69, 0.2);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-ghost:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

/* ===== STEPS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.step-card {
    padding: 1.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--lime-dim);
    border: 1px solid var(--lime-border);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--lime);
    margin-bottom: 1rem;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.step-card p {
    font-size: 0.825rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== FOOTER ===== */
footer {
    padding: var(--space-12) 0 var(--space-8);
    border-top: 1px solid var(--border);
    margin-top: 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-12);
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.footer-brand p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-col h4 {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.85rem;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

/* ===== BACK LINK ===== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color var(--transition);
    margin-bottom: 2rem;
}

.back-link:hover { color: var(--lime); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .content-grid { grid-template-columns: 1fr; gap: 2rem; }
    .page-hero { padding: 7rem 0 3rem; }
}

@media (max-width: 600px) {
    .stats-row { grid-template-columns: repeat(3, 1fr); }
    .stat-block .stat-num { font-size: 1.6rem; }
    .page-hero h1 { letter-spacing: -0.02em; }
    .cta-block { padding: 2rem 1.5rem; }
}