/* --- 基本設定與色票 --- */

:root {
    --bg: #f6f7fb;
    --bg-soft: #fdfcff;
    --accent: #8fb7c5;         /* 柔藍綠 */
    --accent-soft: #c7dde4;
    --accent-deep: #557487;
    --text-main: #22252d;
    --text-soft: #6b7280;
    --border-soft: rgba(143, 183, 197, 0.35);
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
    --radius-xl: 24px;
    --radius-full: 999px;

    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", sans-serif;
}

/* --- 全局樣式 --- */

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

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: radial-gradient(circle at 0% 0%, #fef8ff 0, #f6f7fb 30%, #eef4fa 70%, #e9f3ff 100%);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- page layout --- */

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.site-header {
    max-width: 960px;
    width: 100%;
    margin: 0 auto 8px auto;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.logo-mark {
text-align: center;
    justify-content: center;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 10px 25px rgba(148, 163, 184, 0.18);
    backdrop-filter: blur(10px);
}

.logo-icon {
    font-size: 0.85rem;
    color: var(--accent-deep);
}

.logo-text {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-deep);
}

/* --- main --- */

.site-main {
    flex: 1;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    padding: 8px 0 32px;
    display: flex;
}

/* --- hero 區塊 --- */

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
    justify-content: center;
    padding: 24px 18px 28px;
    border-radius: 32px;
    /* background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(233, 244, 255, 0.96));
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.9); */
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.eyebrow {
    margin: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-deep);
    opacity: 0.85;
}

.hero h1 {
    margin: 0;
    font-size: clamp(1.8rem, 2.4vw + 1.3rem, 2.5rem);
    line-height: 1.0;
    letter-spacing: 0.01em; 
    font-family: 'Times New Roman', Times, serif;
}

.hero-description {
    margin: 4px 0 0;
    font-size: 0.98rem;
    color: var(--text-soft);
}

.hero-actions {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* --- 按鈕 --- */

.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out,
        background 0.12s ease-out, border-color 0.12s ease-out,
        color 0.12s ease-out;
    white-space: nowrap;
}

.btn-primary {
    background: radial-gradient(circle at 0 0, #fdfbff, #8fb7c5);
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(143, 183, 197, 0.6);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(143, 183, 197, 0.75);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(143, 183, 197, 0.5);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.7);
    color: var(--accent-deep);
    border-color: rgba(143, 183, 197, 0.6);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 1);
}

/* --- hero 圖像 --- */

.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-image-frame {
    margin: 0;
    padding: 10px;
    border-radius: 28px;
    background: radial-gradient(circle at 20% 0%, #fefafe, #e4f1ff);
    border: 1px solid var(--border-soft);
    box-shadow: 0 18px 45px rgba(148, 163, 184, 0.5);
    max-width: 340px;
    width: 100%;
}

.hero-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 22px;
}

.hero-caption {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-soft);
    text-align: center;
}

/* --- About 區塊 --- */

.about {
    margin-top: 28px;
    padding: 18px 18px 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 10px 26px rgba(148, 163, 184, 0.35);
}

.about h2 {
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.about p {
    margin: 0 0 8px;
    font-size: 0.94rem;
    color: var(--text-soft);
}

/* --- footer --- */

.site-footer {
    max-width: 960px;
    width: 100%;
    margin: auto auto 4px;
    padding: 8px 12px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-soft);
}

.footer-line {
    margin: 0;
}

/* --- RWD --- */

@media (max-width: 768px) {
    .hero {
        grid-template-columns: minmax(0, 1fr);
        padding: 18px 14px 20px;
        gap: 20px;
    }

    .hero-visual {
        order: -1;
    }

    .page {
        padding: 12px;
    }

    .site-main {
        padding-bottom: 24px;
    }
}