:root {
    --bg-main: #f5f5f5;         
    --bg-card: #ffffff;         
    --border-color: #e5e5e5;    
    --border-hover: #d4d4d4;
    --text-primary: #171717;
    --text-secondary: #525252;  
    --btn-primary: #404040;     
    --btn-primary-hover: #171717;

    --bg-input: #f5f5f5;
    --bg-input-focus: #ffffff;
    --btn-tab: #ffffff;
    --btn-tab-hover: #f5f5f5;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --max-w: 1140px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s, color 0.2s;
}

a:hover {
    opacity: 0.85;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* Splash Screen Overlay */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-main);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.splash-logo {
    width: 360px;
    height: 360px;
    max-width: 80vw;
    max-height: 80vw;
    object-fit: contain;
    border-radius: 50%;
    background-color: #ffffff;
    border: 6px solid var(--text-primary);
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    animation: logoPulse 1.5s ease-in-out infinite alternate;
}

.splash-fade {
    opacity: 0;
    visibility: hidden;
}

@keyframes logoPulse {
    from { transform: scale(0.95); }
    to { transform: scale(1.05); }
}

/* Header & Nav */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-primary);
}

.brand-logo {
    height: 46px;
    width: 46px;
    object-fit: contain;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid var(--text-primary);
    padding: 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

nav a {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
}

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

.btn-nav {
    display: inline-block !important;
    padding: 8px 18px !important;
    background-color: var(--btn-primary) !important;
    color: #ffffff !important;
    border-radius: 6px !important;
    font-weight: 600;
}

.btn-nav:hover,
.btn-nav.active {
    background-color: var(--btn-primary-hover) !important;
    color: #ffffff !important;
}

.theme-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 5px 10px;
    line-height: 1;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 120px 0 110px;
    text-align: center;
    background: linear-gradient(rgba(23, 23, 23, 0.75), rgba(23, 23, 23, 0.85)), url('shibuya.jpeg') center/cover no-repeat;
    color: #ffffff;
}

.hero .badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero p {
    font-size: 1.15rem;
    color: #e5e5e5;
    max-width: 680px;
    margin: 0 auto 36px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* Bouncing Arrow */
.scroll-arrow {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    color: #ffffff;
    animation: bounce 2s infinite;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.2s;
}

.scroll-arrow:hover {
    opacity: 0.7;
}

.scroll-arrow svg {
    width: 32px;
    height: 32px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translate(-50%, 0); }
    40% { transform: translate(-50%, -10px); }
    60% { transform: translate(-50%, -5px); }
}

/* Buttons */
.btn {
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-block;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--btn-primary);
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background-color: var(--bg-input);
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    background-color: var(--border-color);
}

/* 3 Distinct Solid Hero Buttons */
.hero .btn-primary {
    background-color: #ffffff;
    color: #171717 !important;
    border-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.hero .btn-primary:hover {
    background-color: #e5e5e5;
    border-color: #e5e5e5;
    color: #171717 !important;
    opacity: 1;
}

.hero a[href^="mailto:"].btn-secondary {
    background-color: #333333;
    color: #ffffff !important;
    border-color: #4d4d4d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.hero a[href^="mailto:"].btn-secondary:hover {
    background-color: #444444;
    border-color: #666666;
    transform: translateY(-1px);
    opacity: 1;
}

.hero a[href*="wa.me"].btn-secondary {
    background-color: #1da851;
    color: #ffffff !important;
    border-color: #1da851;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.hero a[href*="wa.me"].btn-secondary:hover {
    background-color: #168a41;
    border-color: #168a41;
    transform: translateY(-1px);
    opacity: 1;
}

/* Sections, Grids & Cards */
.section {
    padding: 76px 0;
    background-color: var(--bg-main);
}

.section-alt {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-head {
    text-align: center;
    margin-bottom: 48px;
}

.section-head h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-head p {
    color: var(--text-secondary);
    font-size: 1.08rem;
    max-width: 680px;
    margin: 0 auto;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 36px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    color: var(--text-primary);
}

.section-alt .card {
    background-color: var(--bg-main);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pricing & Shipping Equal-Height Layout */
.pricing-split-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
    align-items: stretch;
}

.equal-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

/* Table block fills the column so both tables end at the same height */
.equal-col > div:first-child {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.equal-col > div:first-child .data-table {
    flex: 1;
    margin-bottom: 0;
}

/* Keep the two table headers on the same line (left intro wraps to 2 lines) */
@media (min-width: 769px) {
    .equal-col > div:first-child > p {
        min-height: 3.2em;
    }
}

/* Example breakdown card */
.example-card {
    margin-top: 28px;
}

.example-head {
    margin-bottom: 36px;
}

.example-head h2 {
    font-size: 1.8rem;
}

.example-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.example-intro .work-tag {
    display: block;
    margin-bottom: 4px;
}

.example-intro h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.cost-bar {
    display: flex;
    height: 14px;
    gap: 3px;
    margin: 24px 0 12px;
    border-radius: 999px;
    overflow: hidden;
}

.seg-car  { background-color: var(--text-primary); }
.seg-fees { background-color: var(--text-secondary); }
.seg-ship { background-color: var(--border-hover); }

.cost-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    list-style: none;
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.cost-legend li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cost-legend strong {
    color: var(--text-primary);
}

.cost-legend .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.callout {
    border-left: 3px solid var(--text-primary);
    background-color: var(--bg-input);
    padding: 14px 18px;
    border-radius: 0 8px 8px 0;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.callout strong {
    color: var(--text-primary);
}

/* Invoice */
.invoice {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--bg-card);
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.invoice-table td {
    padding: 9px 20px;
    color: var(--text-primary);
}

.invoice-table td.right {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.invoice-table .group-row td {
    padding: 16px 20px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.invoice-table .group-head td {
    padding-top: 16px;
    padding-bottom: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

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

.invoice-table .subtotal td {
    padding-top: 10px;
    padding-bottom: 14px;
    font-weight: 700;
    border-top: 1px dashed var(--border-hover);
    border-bottom: 1px solid var(--border-color);
}

.invoice-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background-color: var(--text-primary);
    color: var(--bg-card);
    font-weight: 800;
    font-size: 1.2rem;
}

.example-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border-color);
}

.example-footer p {
    color: var(--text-secondary);
}

.example-footer p strong {
    color: var(--text-primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 24px;
    font-size: 0.95rem;
}

.data-table th,
.data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table th {
    font-weight: 700;
    border-bottom: 2px solid var(--border-hover);
    color: var(--text-primary);
}

.data-table td.right,
.data-table th.right {
    text-align: right;
}

.data-table tr.total-row td {
    font-weight: 800;
    font-size: 1.05rem;
    border-top: 2px solid var(--border-hover);
    border-bottom: none;
}

/* Dealer & Past Export Cards */
.work-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.work-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background-color: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.work-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.work-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.work-content h3 {
    margin: 8px 0;
    font-size: 1.15rem;
    color: var(--text-primary);
}

.work-price {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.work-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.work-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Sourcing Tabs */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 28px;
    border: 1px solid var(--border-color);
    background-color: var(--btn-tab);
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn:hover {
    background-color: var(--btn-tab-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background-color: var(--btn-primary);
    color: #ffffff;
    border-color: var(--btn-primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.25s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Forms & Inputs */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group.full {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.field-disclaimer {
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.4;
    margin-top: 4px;
}

input, select, textarea {
    width: 100%;
    padding: 13px 15px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, background-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--text-secondary);
    background-color: var(--bg-input-focus);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.info-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.info-val {
    font-size: 1.02rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Social Icons & Footer */
.social-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.social-links a {
    color: #ffffff;
    transition: opacity 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    opacity: 0.75;
    transform: translateY(-2px);
}

.social-links svg {
    width: 24px;
    height: 24px;
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 48px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    background-color: var(--bg-card);
}

footer .footer-brand {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 6px;
}

footer .footer-links {
    margin-bottom: 18px;
}

footer .footer-links a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

footer .social-links {
    margin-top: 16px;
    margin-bottom: 20px;
}

footer .social-links a {
    color: var(--text-secondary);
}

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

/* Dark Mode Override */
body.dark-mode {
    --bg-main: #121212;
    --bg-card: #1e1e1e;
    --border-color: #333333;
    --border-hover: #444444;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --btn-primary: #333333;
    --btn-primary-hover: #4d4d4d;

    --bg-input: #262626;
    --bg-input-focus: #121212;
    --btn-tab: #1e1e1e;
    --btn-tab-hover: #2b2b2b;
}

body.dark-mode header {
    background: rgba(18, 18, 18, 0.95);
}

body.dark-mode .brand-logo,
body.dark-mode .splash-logo {
    background-color: #ffffff;
    border-color: var(--border-color);
    filter: none;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-wrap {
        position: relative;
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        padding: 12px 16px;
        gap: 10px;
    }

    .brand {
        font-size: 1.05rem;
        padding-right: 44px;
    }

    .brand-logo {
        height: 40px;
        width: 40px;
    }

    nav {
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid var(--border-color);
    }

    nav ul {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 4px;
    }

    nav a {
        font-size: 0.9rem;
        padding: 6px 6px;
        white-space: nowrap;
    }

    .theme-btn {
        position: absolute;
        top: 15px;
        right: 16px;
        padding: 5px 8px;
        font-size: 1rem;
    }

    .hero {
        padding: 48px 0 96px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        padding: 0 16px;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }

    .hero .social-links {
        margin-top: 24px;
        margin-bottom: 10px;
    }

    .scroll-arrow {
        bottom: 18px;
    }

    .grid-2,
    .grid-3,
    .contact-grid,
    .form-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .form-group.full {
        grid-column: span 1;
    }

    .section {
        padding: 48px 0;
    }

    .card {
        padding: 24px;
    }

    .example-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .pricing-split-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .example-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-nav {
        flex-direction: column;
        padding: 0 16px;
    }

    .tab-btn {
        width: 100%;
    }
}