:root {
    --bg: #07111f;
    --bg-soft: #0e1c31;
    --surface: #ffffff;
    --surface-soft: #f4f8fc;
    --surface-blue: #eaf4ff;
    --ink: #102033;
    --muted: #627087;
    --muted-dark: #b7c6d9;
    --line: #dbe6f2;
    --accent: #33d6ff;
    --accent-strong: #0e76ff;
    --accent-warm: #ffb454;
    --radius-lg: 32px;
    --radius-md: 22px;
    --radius-sm: 14px;
    --shadow: 0 24px 70px rgba(15, 33, 54, 0.18);
    --max-width: 1180px;
}

html {
    scroll-padding-top: 120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    background: #f7faff;
}

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

code {
    padding: 0.18rem 0.4rem;
    border-radius: 0.45rem;
    color: #06407e;
    background: #e8f2ff;
    font:
        0.9em Consolas,
        "Courier New",
        monospace;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 1rem auto 0;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    color: #fff;
    background: rgba(7, 17, 31, 0.72);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 42px rgba(0, 0, 0, 0.18);
    transition:
        background 180ms ease,
        border-color 180ms ease;
}

.site-header.is-scrolled {
    border-color: rgba(16, 32, 51, 0.08);
    color: var(--ink);
    background: rgba(255, 255, 255, 0.9);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
}

.brand-mark {
    display: inline-grid;
    width: 2.7rem;
    height: 2.7rem;
    place-items: center;
    border-radius: 50%;
    color: #061121;
    background: linear-gradient(135deg, var(--accent), #f1fbff);
    box-shadow: inset 0 -10px 18px rgba(14, 118, 255, 0.22);
}

.brand-text {
    letter-spacing: -0.02em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.95rem;
    font-weight: 700;
}

.site-nav a {
    padding: 0.75rem 1rem;
    border-radius: 999px;
    color: inherit;
    opacity: 0.86;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    opacity: 1;
    background: rgba(51, 214, 255, 0.14);
    outline: none;
}

.site-nav .nav-cta {
    color: #061121;
    background: #fff;
    opacity: 1;
}

.is-scrolled .site-nav .nav-cta {
    color: #fff;
    background: var(--accent-strong);
}

.nav-toggle {
    display: none;
    width: 2.7rem;
    height: 2.7rem;
    padding: 0.65rem;
    border: 0;
    border-radius: 50%;
    color: inherit;
    background: rgba(255, 255, 255, 0.12);
}

.nav-toggle span {
    display: block;
    height: 2px;
    margin: 4px 0;
    border-radius: 999px;
    background: currentColor;
}

.intro-band {
    margin-top: -6rem;
    padding-top: 6rem;
    background:
        radial-gradient(
            circle at top left,
            rgba(51, 214, 255, 0.22),
            transparent 34rem
        ),
        radial-gradient(
            circle at 86% 20rem,
            rgba(14, 118, 255, 0.22),
            transparent 28rem
        ),
        linear-gradient(180deg, #07111f 0, #0c1a2b 62%, #07111f 100%);
}

.intro-band .section-heading h2 {
    color: #fff;
}

.intro-band .section-heading > p:not(.eyebrow) {
    color: var(--muted-dark);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(24rem, 0.98fr);
    gap: 4rem;
    align-items: center;
    width: min(calc(100% - 2rem), var(--max-width));
    min-height: 760px;
    margin: -4.5rem auto 0;
    padding: 9rem 0 5rem;
    color: #fff;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: 1.5rem;
    font-size: clamp(3.1rem, 7vw, 6.9rem);
    line-height: 0.9;
    letter-spacing: -0.075em;
}

h2 {
    margin-bottom: 1rem;
    font-size: clamp(2.15rem, 4vw, 4.25rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

h3 {
    margin-bottom: 0.55rem;
    font-size: 1.15rem;
    letter-spacing: -0.025em;
}

p {
    color: var(--muted);
    line-height: 1.72;
}

.hero-lede {
    max-width: 640px;
    margin-bottom: 2rem;
    color: var(--muted-dark);
    font-size: 1.18rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.4rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: 0 1.35rem;
    border-radius: 999px;
    font-weight: 800;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        background 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
    outline: none;
}

.button-primary {
    color: #04101e;
    background: linear-gradient(135deg, var(--accent), #f1fbff);
    box-shadow: 0 18px 42px rgba(51, 214, 255, 0.24);
}

.button-secondary {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    max-width: 650px;
    margin: 0;
}

.hero-stats div {
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
}

.hero-stats dt {
    font-size: 1.35rem;
    font-weight: 800;
}

.hero-stats dd {
    margin: 0.25rem 0 0;
    color: var(--muted-dark);
    font-size: 0.9rem;
}

.hero-visual {
    position: relative;
    min-height: 610px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.13),
            rgba(255, 255, 255, 0.04)
        ),
        radial-gradient(
            circle at 20% 15%,
            rgba(51, 214, 255, 0.28),
            transparent 18rem
        );
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.26);
    overflow: hidden;
}

.visual-card,
.mesh-stage {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 24px;
    background: rgba(5, 17, 31, 0.68);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(8px);
}

.source-card {
    top: 2rem;
    left: 2rem;
    width: 44%;
    padding: 1rem;
}

.depth-card {
    top: 7rem;
    right: 2rem;
    width: 44%;
    padding: 1rem;
}

.mesh-stage {
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    height: 52%;
    padding: 1rem;
}

.card-label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--muted-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.visual-card img,
.mesh-stage img,
.panel-shot,
.projection-visual img,
.wide-shot img,
.image-showcase img {
    display: block;
    width: 100%;
    object-fit: cover;
}

.visual-card img {
    height: 148px;
    border-radius: 18px;
}

.source-card img,
.depth-card img {
    object-fit: contain;
    background: #fff;
}

.depth-card img {
    background: #000;
}

.mesh-stage img {
    position: absolute;
    inset: 4.6rem 1rem 1rem;
    width: calc(100% - 2rem);
    height: calc(100% - 5.6rem);
    border-radius: 18px;
    box-shadow: inset 0 0 70px rgba(255, 255, 255, 0.18);
}

.logo-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
    padding-bottom: 4rem;
}

.logo-strip span {
    padding: 0.72rem 1rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #34506b;
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 33, 54, 0.08);
    font-weight: 800;
}

.section {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
    padding: 5rem 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 2.5rem;
}

.section-heading p:last-child {
    font-size: 1.08rem;
}

.feature-grid,
.preset-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.feature-card,
.preset-card,
.quality-card,
.quality-notes article,
.download-card,
.workflow-steps article,
.projection-list article {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.feature-card,
.preset-card {
    padding: 1.35rem;
}

.image-showcase {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.image-showcase figure,
.wide-shot {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow);
}

.image-showcase img {
    aspect-ratio: 16 / 10;
}

.image-showcase figcaption,
.wide-shot figcaption {
    padding: 0.9rem 1rem 1rem;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

.feature-icon {
    display: inline-grid;
    width: 2.7rem;
    height: 2.7rem;
    place-items: center;
    margin-bottom: 1.3rem;
    border-radius: 50%;
    color: #061121;
    background: var(--surface-blue);
    font-weight: 900;
}

.split-section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: center;
}

.panel-copy {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, #ffffff, #edf6ff);
    box-shadow: var(--shadow);
}

.command-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 1.4rem;
}

.panel-shot {
    max-height: 520px;
    margin-top: 1.4rem;
    border-radius: var(--radius-md);
    box-shadow: 0 18px 42px rgba(15, 33, 54, 0.16);
}

.command-list span {
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.68);
}

.workflow-steps {
    display: grid;
    gap: 1rem;
}

.workflow-steps article {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 1.1rem;
    padding: 1.35rem;
}

.workflow-steps span {
    display: inline-grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--accent-strong);
    font-weight: 900;
    grid-row: span 2;
}

.workflow-steps p {
    margin-bottom: 0;
}

.dark-section {
    width: 100%;
    max-width: none;
    padding: 5rem max(1rem, calc((100% - var(--max-width)) / 2));
    color: #fff;
    background:
        radial-gradient(
            circle at 15% 20%,
            rgba(51, 214, 255, 0.22),
            transparent 28rem
        ),
        linear-gradient(135deg, #07111f, #10233b);
}

.dark-section p {
    color: var(--muted-dark);
}

.projection-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
    align-items: center;
}

.projection-visual {
    position: relative;
    min-height: 430px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.projection-visual img {
    height: 100%;
    min-height: 430px;
}

.wide-shot {
    margin-top: 1rem;
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.wide-shot img {
    max-height: 460px;
}

.wide-shot figcaption {
    color: var(--muted-dark);
}

.projection-list {
    display: grid;
    gap: 1rem;
}

.projection-list article {
    padding: 1.25rem;
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.preset-card ul {
    margin: 1rem 0 0;
    padding-left: 1.1rem;
    color: var(--muted);
    line-height: 1.9;
}

.quality-section {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1rem;
}

.quality-card {
    padding: 2rem;
    color: #fff;
    background:
        radial-gradient(
            circle at 82% 0,
            rgba(51, 214, 255, 0.32),
            transparent 18rem
        ),
        linear-gradient(135deg, #10233b, #07111f);
}

.quality-card p {
    color: var(--muted-dark);
}

.quality-scale {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    margin-top: 2rem;
}

.quality-scale span {
    min-height: 7rem;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    color: #061121;
    background: linear-gradient(180deg, var(--accent), #f1fbff);
    font-weight: 900;
}

.quality-scale span:nth-child(2) {
    transform: translateY(-0.45rem);
}

.quality-scale span:nth-child(3) {
    transform: translateY(-0.9rem);
}

.quality-scale span:nth-child(4) {
    transform: translateY(-1.35rem);
}

.quality-notes {
    display: grid;
    gap: 1rem;
}

.quality-notes article {
    padding: 1.4rem;
}

.download-section {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 3rem;
    align-items: center;
    padding-bottom: 3rem;
}

.download-card {
    padding: 2rem;
}

.version-badge {
    display: inline-flex;
    margin-bottom: 1rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    color: #06407e;
    background: #e8f2ff;
    font-weight: 900;
}

.download-card .button {
    margin-top: 0.6rem;
}

.buy-contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding-top: 0;
    padding-bottom: 6rem;
}

.buy-card,
.contact-card {
    padding: 2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow);
}

.buy-card {
    color: #fff;
    background:
        radial-gradient(
            circle at 88% 0,
            rgba(51, 214, 255, 0.3),
            transparent 18rem
        ),
        linear-gradient(135deg, #10233b, #07111f);
}

.buy-card p {
    color: var(--muted-dark);
}

.contact-email {
    display: inline-flex;
    margin-top: 0.5rem;
    color: var(--accent-strong);
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 900;
    letter-spacing: -0.04em;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto 1rem;
    padding: 2rem;
    border-radius: var(--radius-md);
    color: #fff;
    background: #07111f;
}

.site-footer p {
    margin: 0.35rem 0 0;
    color: var(--muted-dark);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    font-weight: 800;
}

@media (max-width: 980px) {
    .hero,
    .split-section,
    .projection-grid,
    .quality-section,
    .download-section,
    .buy-contact-section {
        grid-template-columns: 1fr;
    }

    .hero {
        gap: 2rem;
        min-height: auto;
    }

    .hero-visual {
        min-height: 560px;
    }

    .feature-grid,
    .preset-grid,
    .image-showcase {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    body {
        background: #f7faff;
    }

    .site-header {
        border-radius: 24px;
    }

    .nav-toggle {
        display: block;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 0.55rem);
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
        border-radius: 24px;
        color: var(--ink);
        background: rgba(255, 255, 255, 0.96);
        box-shadow: var(--shadow);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav .nav-cta {
        color: #fff;
        background: var(--accent-strong);
    }

    .brand-text {
        display: none;
    }

    .hero {
        padding-top: 8rem;
    }

    .hero-stats,
    .quality-scale {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 480px;
    }

    .source-card,
    .depth-card {
        width: calc(100% - 4rem);
    }

    .depth-card {
        top: 13.8rem;
    }

    .mesh-stage {
        height: 36%;
    }

    .feature-grid,
    .preset-grid,
    .image-showcase {
        grid-template-columns: 1fr;
    }

    .quality-scale span {
        min-height: auto;
        transform: none !important;
    }

    .site-footer {
        flex-direction: column;
    }
}

/* ── Language Selector ── */
.lang-selector {
    position: relative;
    flex-shrink: 0;
    margin-left: 0.5rem;
}
.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    height: 2.7rem;
    padding: 0 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    color: inherit;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    font:
        0.85rem / 1 Inter,
        sans-serif;
    font-weight: 600;
    transition:
        background 180ms ease,
        border-color 180ms ease;
}
.lang-btn:hover {
    background: rgba(255, 255, 255, 0.18);
}
.is-scrolled .lang-btn {
    border-color: rgba(16, 32, 51, 0.12);
    background: rgba(7, 17, 31, 0.06);
}
.lang-flag {
    font-size: 1.05rem;
}
.lang-chevron {
    font-size: 0.65rem;
    opacity: 0.6;
    transition: transform 180ms ease;
}
.lang-btn[aria-expanded="true"] .lang-chevron {
    transform: rotate(180deg);
}
.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 10.5rem;
    padding: 0.45rem 0;
    border: 1px solid rgba(16, 32, 51, 0.14);
    border-radius: var(--radius-sm);
    color: var(--ink);
    background: #fff;
    box-shadow: 0 18px 50px rgba(15, 33, 54, 0.16);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition:
        opacity 160ms ease,
        transform 160ms ease;
    z-index: 60;
}
.lang-dropdown.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.lang-option {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 600;
    transition: background 120ms ease;
}
.lang-option:hover,
.lang-option:focus-visible {
    background: var(--surface-blue);
    outline: none;
}

/* ── RTL / CJK font adjustments ── */
:lang(zh) body,
:lang(ja) body {
    font-family: Inter, "Noto Sans SC", "Noto Sans JP", "Segoe UI", sans-serif;
}
:lang(zh) h1,
:lang(zh) h2,
:lang(zh) h3 {
    letter-spacing: 0;
}
:lang(ja) h1,
:lang(ja) h2,
:lang(ja) h3 {
    letter-spacing: 0;
}

/* ── Landing Page ── */
.landing-page .landing-hero {
    min-height: 700px;
}

.landing-page .landing-hero-visual {
    min-height: 560px;
}

.free-badge-large {
    display: inline-flex;
    margin-bottom: 1.2rem;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    color: #061121;
    background: linear-gradient(135deg, #33d6ff, #7dff9b);
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.paid-badge-large {
    display: inline-flex;
    margin-bottom: 1.2rem;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    color: #061121;
    background: linear-gradient(135deg, #ffb454, #ff7b7b);
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition:
        transform 200ms ease,
        box-shadow 200ms ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 32px 80px rgba(15, 33, 54, 0.22);
}

.product-card-header {
    padding: 2rem 2rem 1rem;
    position: relative;
}

.product-badge {
    display: inline-flex;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.product-badge-free {
    color: #06407e;
    background: #e8f2ff;
}

.product-badge-paid {
    color: #7d3600;
    background: #fff3e0;
}

.product-card-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    letter-spacing: -0.04em;
}

.product-tagline {
    color: var(--muted);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0;
}

.product-card-body {
    flex: 1;
    padding: 0 2rem 2rem;
}

.product-card-body > p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.product-features {
    margin: 0 0 1.5rem;
    padding: 0;
    list-style: none;
}

.product-features li {
    position: relative;
    padding: 0.45rem 0 0.45rem 1.5rem;
    color: var(--ink);
    font-size: 0.95rem;
    line-height: 1.5;
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-strong);
    font-weight: 800;
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
}

.product-price {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--ink);
}

.product-card-free {
    border: 2px solid #dbe6f2;
}

.product-card-paid {
    border: 2px solid #ffb454;
}

.product-comparison {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
}

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

.product-comparison th,
.product-comparison td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.product-comparison thead th {
    background: var(--surface-soft);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.product-comparison tbody tr:last-child td {
    border-bottom: none;
}

.product-comparison td:first-child {
    font-weight: 600;
    color: var(--ink);
}

.landing-contact .contact-card {
    max-width: 680px;
    margin: 0 auto;
}

/* ── Buy price display ── */
.buy-price {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.buy-price-amount {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.buy-price-note {
    color: var(--muted-dark);
    font-size: 1rem;
    font-weight: 600;
}

.buy-note {
    margin-top: 1rem;
    color: var(--muted-dark);
    font-size: 0.9rem;
    font-style: italic;
}

/* ── Responsive for landing page ── */
@media (max-width: 980px) {
    .product-cards {
        grid-template-columns: 1fr;
    }

    .product-comparison th,
    .product-comparison td {
        padding: 0.85rem 1rem;
        font-size: 0.88rem;
    }
}

@media (max-width: 720px) {
    .product-card-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-comparison {
        font-size: 0.85rem;
    }

    .product-comparison th,
    .product-comparison td {
        padding: 0.7rem 0.8rem;
    }
}