/* Nikka Homepage — shishi-w.com inspired layout */

body.ds-page {
    font-family: "Inter", "Noto Sans TC", -apple-system, sans-serif;
    background: var(--canvas);
    color: var(--foreground);
    -webkit-font-smoothing: antialiased;
}

/* ── Hero ── */
.ds-hero {
    position: relative;
    min-height: calc(100vh - 90px);
    display: flex;
    align-items: center;
    padding: 48px 0 80px;
    overflow: hidden;
}

.ds-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.ds-hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 55%;
    background: var(--canvas);
}

.ds-hero-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -5%;
    right: -5%;
    height: 52%;
    background: var(--accent-red);
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
}

.ds-hero-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(80px, 18vw, 220px);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: rgba(0, 0, 0, 0.03);
    white-space: nowrap;
    user-select: none;
    z-index: 0;
}

.ds-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.ds-hero-copy {
    padding: 20px 0;
}

.ds-hero-title {
    font-size: clamp(36px, 5.5vw, 58px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.ds-hero-title .ds-sticker {
    font-size: inherit;
    display: block;
    width: fit-content;
}

.ds-hero-sub {
    font-size: clamp(17px, 2.2vw, 20px);
    line-height: 1.75;
    font-weight: 600;
    color: var(--foreground);
    max-width: 520px;
    margin-bottom: 28px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.ds-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.ds-hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ds-hero-trust span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 700;
    color: var(--foreground);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 10px 16px;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
    letter-spacing: 0.01em;
}

.ds-hero-trust span::before {
    content: '✓';
    color: var(--accent-red);
    font-size: 14px;
    font-weight: 800;
}

.ds-hero-visual {
    position: relative;
}

.ds-hero-card {
    background: var(--background);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 0, 0, 0.08);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: rotate(1.5deg);
    transition: transform var(--duration-slow) var(--ease-out-expo);
}
.ds-hero-card:hover {
    transform: rotate(0deg) scale(1.01);
}

.ds-hero-card-img {
    aspect-ratio: 4/3;
    background:
        linear-gradient(135deg, rgba(200, 16, 46, 0.15), rgba(0, 100, 180, 0.12)),
        url('/assets/hero.jpg') center / cover no-repeat;
    position: relative;
}

.ds-hero-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.35), transparent 50%);
}

.ds-hero-card-body {
    padding: 24px 28px 28px;
}

.ds-hero-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.ds-hero-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
}

.ds-hero-steps li {
    position: relative;
    padding: 10px 0 10px 36px;
    font-size: 14px;
    color: var(--muted-foreground);
    border-bottom: 1px solid var(--border);
    counter-increment: step;
}
.ds-hero-steps li:last-child {
    border-bottom: none;
}
.ds-hero-steps li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 10px;
    font-size: 12px;
    font-weight: 800;
    color: var(--accent-red);
}

.ds-hero-scroll-hint {
    position: absolute;
    right: 24px;
    bottom: 40px;
    writing-mode: vertical-rl;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
}
.ds-hero-scroll-hint::after {
    content: '';
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.4);
    animation: ds-pulse-soft 2s ease infinite;
}

/* ── Stats band (blue section) ── */
.ds-stats-band {
    background: var(--accent-blue);
    color: #fff;
    padding: 72px 0;
    position: relative;
    overflow: hidden;
}

.ds-stats-band::before {
    content: 'DATA';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: clamp(100px, 20vw, 280px);
    font-weight: 800;
    opacity: 0.06;
    letter-spacing: -0.04em;
    pointer-events: none;
}

.ds-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.ds-stat-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    backdrop-filter: blur(8px);
    transition: transform var(--duration-normal) var(--ease-out-expo),
                background var(--duration-normal) ease;
}
.ds-stat-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.ds-stat-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.75;
    margin-bottom: 8px;
}

.ds-stat-value {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.ds-stat-desc {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.6;
}

/* ── Services ── */
.ds-services {
    padding: 100px 0;
    background: var(--background);
}

.ds-services-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
    padding: 0 24px;
}

.ds-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.ds-service-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--background);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    transition: transform var(--duration-normal) var(--ease-out-expo),
                box-shadow var(--duration-normal) ease;
}
.ds-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.ds-service-card-top {
    padding: 32px 28px 20px;
    flex: 1;
}

.ds-service-num {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--accent-red);
    margin-bottom: 16px;
}

.ds-service-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.ds-service-card p {
    font-size: 14px;
    color: var(--muted-foreground);
    line-height: 1.75;
}

.ds-service-card-bottom {
    padding: 16px 28px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ds-service-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-foreground);
}

.ds-service-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: background var(--duration-fast) ease,
                color var(--duration-fast) ease,
                transform var(--duration-fast) ease;
}
.ds-service-card:hover .ds-service-arrow {
    background: var(--foreground);
    color: var(--background);
    transform: translateX(2px);
}

/* ── About / Concept ── */
.ds-concept {
    padding: 100px 0;
    background: var(--canvas);
    position: relative;
    overflow: hidden;
}

.ds-concept-watermark {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(60px, 12vw, 160px);
    font-weight: 800;
    color: rgba(0, 0, 0, 0.04);
    white-space: nowrap;
    pointer-events: none;
}

.ds-concept-inner {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.ds-concept-text {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 600;
    line-height: 2;
    letter-spacing: 0.02em;
    margin-bottom: 40px;
}

.ds-concept-text em {
    font-style: normal;
    font-weight: 800;
    color: var(--accent-red);
}

/* ── Process ── */
.ds-process {
    padding: 100px 0;
    background: var(--background);
}

.ds-process-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.ds-process-panel-wrap {
    background: var(--muted);
    border-radius: var(--radius-xl);
    padding: 28px;
    border: 1px solid var(--border);
}

/* ── Announcements ── */
.ds-news {
    padding: 100px 0;
    background: var(--canvas);
}

.ds-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.ds-news-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform var(--duration-normal) var(--ease-out-expo),
                box-shadow var(--duration-normal) ease;
}
.ds-news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.ds-news-date {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted-foreground);
    margin-bottom: 10px;
}

.ds-news-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.ds-news-card p {
    font-size: 14px;
    color: var(--muted-foreground);
    line-height: 1.65;
}

/* ── FAQ ── */
.ds-faq {
    padding: 100px 0;
    background: var(--background);
}

.ds-faq-header {
    text-align: center;
    margin-bottom: 48px;
    padding: 0 24px;
}

/* ── Contact bridge ── */
.ds-contact {
    position: relative;
    padding: 0 0 0px;
    background: var(--canvas);
}

.ds-contact-bridge {
    background: var(--foreground);
    color: var(--background);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 80px 24px 72px;
    margin-top: -40px;
    position: relative;
    overflow: hidden;
}

.ds-contact-bridge::before {
    content: 'CONTACT';
    position: absolute;
    right: 24px;
    bottom: 24px;
    font-size: clamp(60px, 10vw, 120px);
    font-weight: 800;
    opacity: 0.05;
    letter-spacing: -0.02em;
    pointer-events: none;
}

.ds-contact-inner {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.ds-contact-inner .ds-section-title {
    color: var(--background);
}

.ds-contact-lead {
    color: rgba(255, 255, 255, 0.65);
    font-size: 15px;
    margin: 0 auto 40px;
    max-width: 480px;
}

.ds-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.ds-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
    text-decoration: none;
    color: inherit;
    transition: transform var(--duration-normal) var(--ease-out-expo),
                background var(--duration-normal) ease,
                border-color var(--duration-normal) ease;
}
.ds-contact-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.ds-contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.ds-contact-item.line .ds-contact-icon {
    background: #06c755;
}

.ds-contact-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
}

.ds-contact-value {
    font-size: 14px;
    font-weight: 600;
    word-break: break-word;
}

/* ── Footer ── */
.ds-footer {
    background: var(--foreground);
    color: rgba(255, 255, 255, 0.55);
    padding: 32px 24px;
    font-size: 13px;
}

.ds-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ds-footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--duration-fast) ease;
}
.ds-footer a:hover {
    color: #fff;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .ds-hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .ds-hero-visual {
        order: -1;
    }
    .ds-hero-card {
        transform: none;
    }
    .ds-services-grid,
    .ds-stats-grid {
        grid-template-columns: 1fr;
    }
    .ds-hero-scroll-hint {
        display: none;
    }
}

@media (max-width: 640px) {
    .ds-hero {
        min-height: auto;
        padding: 32px 0 56px;
    }
    .ds-hero-actions .ui-btn {
        width: 100%;
        justify-content: center;
    }
    .ui-tabs-list {
        flex-direction: column;
    }
    .ui-tabs-trigger {
        text-align: left;
    }
}