/* CSS Variables */
:root {
    --ink: #1f1f1f;
    --deep: #151513;
    --deep2: #11110f;
    --paper: #f4f1ea;
    --paper2: #faf8f3;
    --sand: #e8e1d4;
    --sand2: #ddd3c2;
    --gold: #c7b99a;
    --brown: #8a7352;
    --line: #d2c8b7;
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Times+New+Roman:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Helvetica+Neue:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Arial:wght@400;700&display=swap');

/* Global Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Noto Sans TC", "Noto Sans SC", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--paper);
    color: var(--ink);
    line-height: 1.8;
}

h1,
h2,
h3 {
    font-family: "Noto Serif TC", "Noto Serif SC", "Noto Serif JP,Times New Roman", serif;
    font-weight: 400;
    line-height: 1.2;
    margin: 0;
}

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

/* Layout */
.container {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto
}

.eyebrow {
    letter-spacing: .28em;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--brown);
    margin-bottom: 18px;
}

.dark .eyebrow {
    color: var(--gold);
}

.divider {
    width: 80px;
    height: 1px;
    background-color: var(--gold);
    margin: 42px 0;
}

.section {
    padding: 108px 0;
}

/* Header */
.site-header {
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    width: 100%;
    padding: 22px 0;
    color: var(--paper);
    background: linear-gradient(to bottom, rgba(0, 0, 0, .52), rgba(0, 0, 0, 0))
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.logo {
    font-size: 20px;
    letter-spacing: 0.08em;
    align-items: center;
    display: flex;
}

.logo img {
    height: 64px;
    margin-right: 8px;
}

.nav-links {
    display: flex;
    gap: 20px;
    font-size: 18px;
    letter-spacing: 0.08em;
    opacity: 0.88;
}

.nav-links a {
    padding: 2px 6px;
    border: 1px solid transparent;
    border-radius: 16px;
    transition: background-color 0.3s, color 0.3s;
}

.nav-links a:hover {
    background-color: var(--gold);
    color: var(--deep);
}

.nav-links a.active {
    background-color: var(--gold);
    color: var(--deep);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--gold);
}

.language-switcher a {
    padding: 2px 6px;
    border: 1px solid var(--gold);
    border-radius: 16px;
    transition: background-color 0.3s, color 0.3s;
}

.language-switcher a:hover {
    background-color: var(--gold);
    color: var(--deep);
}

.language-switcher a.active {
    background-color: var(--gold);
    color: var(--deep);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: url("/images/hero-background.png") center/cover no-repeat;
    color: var(--paper);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: radial-gradient(circle at 18% 18%, rgba(139, 123, 94, .48), transparent 36%), radial-gradient(circle at 80% 80%, rgba(80, 80, 72, .45), transparent 42%);
    opacity: 0.68;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, .2), rgba(0, 0, 0, .48), rgba(0, 0, 0, .76));
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
    max-width: 900px;
}

.hero h1 {
    font-size: clamp(46px, 7vw, 82px);
}

.hero-subtitle {
    margin-top: 34px;
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 300;
    color: var(--sand);
    line-height: 1.45
}

.hero-text {
    max-width: 700px;
    color: var(--sand2);
    font-size: 17px;
}

.two-col {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 76px;
    align-items: start;
}

/* About Section */
.about-section {
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: url("/images/about-background.png") center/cover no-repeat;
    color: var(--paper);
}

.about-lead {
    font-size: 18px;
    color: var(--sand2);
    line-height: 1.7
}

.about-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: radial-gradient(circle at 18% 18%, rgba(139, 123, 94, .48), transparent 36%), radial-gradient(circle at 80% 80%, rgba(80, 80, 72, .45), transparent 42%);
    opacity: 0.68;
}

.about-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, .2), rgba(0, 0, 0, .48), rgba(0, 0, 0, .76));
}

/* Common Section Styles */
.section-title {
    font-size: clamp(36px, 4vw, 56px)
}

.section-subtitle {
    margin-top: 18px;
    font-size: 25px;
    color: #5f564a;
}

.quote {
    margin-top: 34px;
    font-family: "Times New Roman", "Noto Serif TC", serif;
    font-size: 28px;
    color: var(--ink);
}

/* Solution & Value Sections */
.values-section {
    background: var(--sand)
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--gold);
    margin-top: 56px
}

.value-card {
    background: var(--paper);
    padding: 34px;
    min-height: 215px
}

.value-card h3 {
    font-size: 28px
}

.value-card .zh {
    margin-top: 4px;
    color: var(--brown)
}

.value-card p:last-child {
    margin-top: 30px;
    color: #4b463e
}

/* Dark Mode */
.dark {
    background-color: var(--deep);
    color: var(--paper);
}

.dark .lead {
    color: var(--sand2);
}

/* Solutions Section */
.solutions-intro {
    font-size: 18px;
    color: #5f564a;
    max-width: 720px;
    margin: 18px 0 52px;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 34px;
    box-shadow: 0 14px 40px rgba(30, 30, 30, .04)
}

.card-bg1 {
    background: url("/images/card-bg1.png") center/cover no-repeat;
}

.card-bg2 {
    background: url("/images/card-bg2.png") center/cover no-repeat;
}

.card-bg3 {
    background: url("/images/card-bg3.png") center/cover no-repeat;
}

.card-bg4 {
    background: url("/images/card-bg4.png") center/cover no-repeat;
}

.card-bg5 {
    background: url("/images/card-bg5.png") center/cover no-repeat;
}

.card-bg6 {
    background: url("/images/card-bg6.png") center/cover no-repeat;
}

.solution-card h3 {
    font-size: 25px;
    color: var(--paper);
}

.solution-card .zh {
    margin-top: 6px;
    color: var(--gold);
}

.solution-card p:last-child {
    margin-top: 24px;
    color: var(--sand);
}

/* Peace Solution Section */
.peace-section {
    background: var(--sand2);
    text-align: center
}

.peace-section .container {
    max-width: 900px
}

.peace-section h2 {
    font-size: clamp(44px, 5vw, 64px)
}

.peace-line {
    margin: 42px auto;
    width: 80px;
    height: 1px;
    background: var(--brown)
}

.peace-text {
    font-size: 24px;
    color: #3c3933;
    line-height: 1.7
}

.peace-small {
    max-width: 760px;
    margin: 34px auto 0;
    font-size: 18px;
    color: #4b463e
}

/* footer */
.footer {
    background: var(--deep2);
    color: var(--paper);
    padding: 78px 0
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 50px;
    align-items: start
}

.footer h2 {
    font-size: 28px;
    align-items: center;
    display: flex;
}

.footer h2 img {
    height: 64px;
    margin-right: 8px;
}

.footer p,
.banks,
.contact {
    color: var(--gold)
}

.banks h3 {
    font-size: 18px;
    margin: 0 0 14px
}

.banks ul {
    margin: 0;
    padding-left: 18px
}
.contact h3 {
    font-size: 18px;
    margin: 0 0 14px
}
.contact ul {
    margin: 0;
    padding-left: 18px
}

.footer-keywords {
    margin-top: 26px;
    font-size: 13px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--gold)
}


/* Responsive */
@media (max-width:992px) {
    .logo {
        font-size: 16px;
        letter-spacing: 0.08em;
        align-items: center;
        display: flex;
    }

    .logo img {
        height: 32px;
        margin-right: 8px;
    }

    .nav-links {
        display: none;
    }

    .two-col,
    .solution-grid,
    .value-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 82px 0;
    }

    .language-switcher {
        display: flex;
        gap: 2px;
        font-size: 12px;
        color: var(--gold);
    }

    .language-switcher a {
        padding: 2px 4px;
        border: 0px solid var(--gold);
        border-radius: 4px;
        transition: background-color 0.3s, color 0.3s;
    }

}