:root {
    --white: #FFFFFF;
    --gray-50: #F5F5F7;
    --gray-100: #E8E8ED;
    --gray-400: #86868B;
    --gray-600: #6E6E73;
    --gray-900: #1D1D1F;
    --blue: #0071E3;
    --blue-dark: #0077ED;
    --blue-light: #5AC8FA;
    --gradient: linear-gradient(135deg, #0071E3 0%, #5AC8FA 100%);

    --bg: var(--white);
    --bg-muted: var(--gray-50);
    --text: var(--gray-900);
    --text-muted: var(--gray-600);
    --text-dim: var(--gray-400);
    --accent: var(--blue);

    --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', 'Noto Sans TC', system-ui, sans-serif;
    --header-h: 56px;
    --container: 1080px;
    --section-y: clamp(5rem, 12vw, 8rem);
    --section-x: clamp(1.5rem, 5vw, 3rem);
    --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.47059;
    font-size: 17px;
    letter-spacing: -0.022em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
    width: min(100% - var(--section-x) * 2, var(--container));
    margin-inline: auto;
}

.pro-narrow { max-width: 720px; }

/* ─── Typography ─── */
.pro-eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.pro-display {
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: var(--text);
    max-width: 16ch;
}

.pro-headline {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
    max-width: 20ch;
}

.pro-headline--sm { font-size: clamp(1.75rem, 3vw, 2.25rem); }

.pro-subhead {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 1.5rem 0 0.75rem;
}

.pro-lead {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-muted);
    line-height: 1.5;
    letter-spacing: -0.01em;
    max-width: 42ch;
    margin-top: 1.25rem;
}

.pro-lead--center { margin-inline: auto; text-align: center; }

.pro-body {
    font-size: 1.0625rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.pro-note, .pro-meta {
    font-size: 1rem;
    color: var(--text-dim);
    margin-top: 1.5rem;
    line-height: 1.6;
}

/* ─── Sections ─── */
.pro-section {
    padding: var(--section-y) 0;
}

.pro-section--muted {
    background: var(--bg-muted);
}

.pro-section--cta {
    background: var(--bg-muted);
    border-bottom: 1px solid #A8A8AD;
    padding: clamp(2.75rem, 5vw, 3.5rem) 0;
}

.pro-section--cta--top-divider {
    border-top: 1px solid var(--white);
}

.pro-hero {
    padding: calc(var(--header-h) + var(--section-y)) 0 var(--section-y);
}

.pro-hero--compact {
    padding-bottom: calc(var(--section-y) * 0.6);
}

/* ─── Buttons & Links ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.375rem;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 400;
    letter-spacing: -0.022em;
    border: none;
    cursor: pointer;
    transition: all 0.35s var(--ease);
    font-family: inherit;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--blue-dark);
    transform: scale(1.02);
}

.btn--outline {
    background: transparent;
    color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.btn--outline:hover {
    background: var(--accent);
    color: #fff;
}

.btn--sm { padding: 0.55rem 1.125rem; font-size: 15px; }

.pro-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 17px;
    color: var(--accent);
    transition: gap 0.35s var(--ease), color 0.35s var(--ease);
}

.pro-link:hover {
    gap: 0.65rem;
    color: var(--blue-dark);
}

.pro-link__arrow {
    display: inline-block;
    transition: transform 0.35s var(--ease);
}

.pro-link:hover .pro-link__arrow {
    transform: translateX(4px);
}

/* ─── Header ─── */
.header {
    position: fixed;
    inset: 0 0 auto;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    flex-shrink: 0;
    white-space: nowrap;
}

.header__logo-img { width: 27px; height: 27px; }

.header__nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    flex-shrink: 0;
}

.header__nav a:not(.btn) {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: -0.01em;
    transition: color 0.3s var(--ease);
    white-space: nowrap;
}

.header__nav a:not(.btn):hover,
.header__nav a:not(.btn).is-active {
    color: var(--text);
}

.header__cta .btn--primary {
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 0.55rem 1.25rem;
}

.header__cta .btn--primary:hover {
    color: #fff;
    background: var(--blue-dark);
}

.header__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.header__toggle span {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--text);
    margin: 5px 0;
}

/* ─── Hero home ─── */
.hero {
    padding: calc(var(--header-h) + var(--section-y)) 0 var(--section-y);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: clamp(2rem, 6vw, 4rem);
    align-items: center;
}

.hero__visual { display: flex; justify-content: flex-end; }

.hero__image {
    display: block;
    width: 100%;
    max-width: 520px;
    height: auto;
    aspect-ratio: 796 / 688;
    object-fit: contain;
    border-radius: var(--radius);
}

.hero__contact {
    font-size: 1.0625rem;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
}

.hero__contact-phone {
    margin-left: 0.5rem;
    color: var(--accent);
    font-weight: 500;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

/* ─── Icon mark (Apple-style floating tile) ─── */
.icon-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.icon-mark--lg {
    width: 64px;
    height: 64px;
    border-radius: 16px;
}

.icon-mark--wide {
    width: 88px;
    height: 48px;
    border-radius: 12px;
}

.icon-mark__img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.icon-mark__img--wide {
    width: 64px;
    height: 28px;
}

.feature-card:hover .icon-mark,
.usecase-card:hover .icon-mark,
.pro-service:hover .icon-mark {
    transform: translateY(-4px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.08);
}

.feature-card .icon-mark,
.usecase-card .icon-mark,
.pro-service .icon-mark {
    margin-bottom: 1.25rem;
}
.partners {
    display: none;
    padding: calc(var(--section-y) * 0.75) 0;
    background: var(--bg-muted);
}

.partners__label {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.partners__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(2, 72px);
    gap: clamp(2rem, 5vw, 3.25rem) clamp(2.5rem, 6vw, 4.25rem);
    align-items: stretch;
    justify-items: center;
    max-width: 920px;
    margin-inline: auto;
}

.partners__item {
    width: 100%;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners__frame {
    position: relative;
    width: min(100%, 220px);
    height: 72px;
    flex-shrink: 0;
}

.partners__logo {
    position: absolute;
    left: 50%;
    top: 50%;
    display: block;
    width: 150px;
    height: 32px;
    object-position: center;
    opacity: 0.82;
    transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
    transform: translate(-50%, -50%);
}

/* 每品牌獨立顯示框（寬×高），統一視覺大小 */
.partners__frame--albatron .partners__logo { width: 190px; height: 32px; }
.partners__frame--nvidia .partners__logo { width: 170px; height: 32px; }
.partners__frame--supermicro .partners__logo { width: 62px; height: 32px; }
.partners__frame--intel .partners__logo { width: 83px; height: 32px; }
.partners__frame--microsoft .partners__logo { width: 150px; height: 32px; }
.partners__frame--amd .partners__logo { width: 134px; height: 32px; }

.partners__item:hover .partners__logo {
    opacity: 1;
}

@media (max-width: 768px) {
    .partners__grid {
        grid-template-rows: repeat(2, 60px);
        max-width: 640px;
        gap: 2rem 2.5rem;
    }

    .partners__item {
        height: 60px;
    }

    .partners__frame {
        width: min(100%, 180px);
        height: 60px;
    }

    .partners__logo {
        height: 28px;
        width: 132px;
    }

    .partners__frame--albatron .partners__logo { width: 167px; height: 28px; }
    .partners__frame--nvidia .partners__logo { width: 150px; height: 28px; }
    .partners__frame--supermicro .partners__logo { width: 55px; height: 28px; }
    .partners__frame--intel .partners__logo { width: 72px; height: 28px; }
    .partners__frame--microsoft .partners__logo { width: 131px; height: 28px; }
    .partners__frame--amd .partners__logo { width: 117px; height: 28px; }
}

@media (max-width: 520px) {
    .partners__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: repeat(3, 56px);
        max-width: 360px;
    }

    .partners__item {
        height: 56px;
    }

    .partners__frame {
        width: min(100%, 160px);
        height: 56px;
    }

    .partners__logo {
        height: 24px;
        width: 116px;
    }

    .partners__frame--albatron .partners__logo { width: 143px; height: 24px; }
    .partners__frame--nvidia .partners__logo { width: 128px; height: 24px; }
    .partners__frame--supermicro .partners__logo { width: 47px; height: 24px; }
    .partners__frame--intel .partners__logo { width: 62px; height: 24px; }
    .partners__frame--microsoft .partners__logo { width: 113px; height: 24px; }
    .partners__frame--amd .partners__logo { width: 101px; height: 24px; }
}

/* ─── Grids (de-carded) ─── */
.pro-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(2.5rem, 5vw, 4rem);
    margin-top: 3.5rem;
}

.pro-service { padding: 0; transition: transform 0.4s var(--ease); }

.pro-service__title {
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 1.25rem 0 0.75rem;
}

.pro-service__desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.pro-value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(2rem, 4vw, 3rem);
    margin-top: 2.5rem;
}

.pro-value__title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.pro-value__desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.pro-spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 2.5rem;
}

.pro-spec__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ─── Icons (legacy img sizing) ─── */

/* ─── Lists ─── */
.pro-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pro-list li {
    font-size: 1.0625rem;
    color: var(--text-muted);
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.5;
}

.pro-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.pro-list--compact li { font-size: 1rem; }

/* ─── Stats ─── */
.pro-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-100);
}

.pro-stats--row {
    border: none;
    padding: 0;
    margin-top: 2.5rem;
    gap: clamp(2rem, 6vw, 5rem);
}

.pro-stat__value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
}

.pro-stat--lg .pro-stat__value {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.pro-stat__label {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

/* ─── Table ─── */
.pro-table-wrap {
    overflow-x: auto;
    margin-top: 2.5rem;
    -webkit-overflow-scrolling: touch;
}

.pro-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.pro-table th {
    text-align: left;
    font-weight: 600;
    color: var(--text-dim);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0 1rem 1rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.pro-table td {
    padding: 1.125rem 1rem 1.125rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: top;
}

.pro-table td strong { color: var(--text); font-weight: 600; }

/* ─── CTA block ─── */
.pro-cta {
    text-align: center;
    padding: 0 var(--section-x);
}

.pro-cta .pro-headline { margin-inline: auto; max-width: none; }

.pro-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

/* ─── Home sections ─── */
.section { padding: var(--section-y) 0; }
.section--sm { padding: calc(var(--section-y) * 0.75) 0; }
.section--muted { background: var(--bg-muted); }

.section-tag {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 40ch;
    line-height: 1.5;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin-inline: auto; }

.workflow__track {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    margin-top: 3rem;
}

.usecases__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(2.5rem, 5vw, 3.5rem);
    margin-top: 3rem;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2.5rem, 4vw, 3.5rem);
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .features__grid {
        grid-template-columns: 1fr;
    }
}

.feature-card__visual {
    margin-bottom: 1.75rem;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-muted);
    aspect-ratio: 4 / 3;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.5s var(--ease);
}

@media (min-width: 900px) {
    .feature-card__visual {
        min-height: 260px;
    }
}

.feature-card:hover .feature-card__visual {
    transform: translateY(-4px);
}

.feature-illus {
    width: 100%;
    height: 100%;
    padding: 1rem;
}

.feature-illus svg {
    width: 100%;
    height: 100%;
    display: block;
}

.feature-illus__bar {
    transform-origin: center bottom;
    transform-box: fill-box;
}

.feature-illus--scale .feature-illus__bar--1 { animation: feature-bar 2.4s var(--ease) infinite; }
.feature-illus--scale .feature-illus__bar--2 { animation: feature-bar 2.4s var(--ease) 0.2s infinite; }
.feature-illus--scale .feature-illus__bar--3 { animation: feature-bar 2.4s var(--ease) 0.4s infinite; }
.feature-illus--scale .feature-illus__bar--4 { animation: feature-bar 2.4s var(--ease) 0.6s infinite; }
.feature-illus--scale .feature-illus__arrow { animation: feature-slide 2.4s var(--ease) infinite; }
.feature-illus--scale .feature-illus__dot { animation: feature-dot 2.4s var(--ease) infinite; }

.feature-illus--always-on .feature-illus__pulse {
    transform-origin: center;
    transform-box: fill-box;
    animation: feature-pulse 2.8s var(--ease) infinite;
}
.feature-illus--always-on .feature-illus__pulse--2 { animation-delay: 0.9s; }
.feature-illus--always-on .feature-illus__hand--min {
    transform-origin: 160px 120px;
    animation: feature-clock 8s linear infinite;
}
.feature-illus--always-on .feature-illus__status { animation: feature-status 2s var(--ease) infinite; }

.feature-illus--flashboot .feature-illus__bolt { animation: feature-flash 2.2s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__bolt--glow { animation: feature-flash-glow 2.2s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__bolt-wrap { animation: feature-float 3s var(--ease) infinite; transform-origin: 200px 100px; }
.feature-illus--flashboot .feature-illus__node { animation: feature-float 3.2s var(--ease) 0.2s infinite; transform-origin: 160px 138px; }
.feature-illus--flashboot .feature-illus__speed--1 { animation: feature-speed 1.8s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__speed--2 { animation: feature-speed 1.8s var(--ease) 0.3s infinite; }
.feature-illus--flashboot .feature-illus__speed--3 { animation: feature-speed-h 1.4s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__speed--4 { animation: feature-speed-h 1.4s var(--ease) 0.25s infinite; }
.feature-illus--flashboot .feature-illus__bootbar--1 { stroke-dasharray: 40; animation: feature-boot 2s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__bootbar--2 { stroke-dasharray: 28; animation: feature-boot 2s var(--ease) 0.35s infinite; }
.feature-illus--flashboot .feature-illus__led { animation: feature-status 2s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__ms { animation: feature-ms 2.2s var(--ease) infinite; }

.feature-illus--storage .feature-illus__disk--1 .feature-illus__disk-inner { animation: feature-disk 3s var(--ease) infinite; transform-origin: center bottom; transform-box: fill-box; }
.feature-illus--storage .feature-illus__disk--2 .feature-illus__disk-inner { animation: feature-disk 3s var(--ease) 0.15s infinite; transform-origin: center bottom; transform-box: fill-box; }
.feature-illus--storage .feature-illus__disk--3 .feature-illus__disk-inner { animation: feature-disk 3s var(--ease) 0.3s infinite; transform-origin: center bottom; transform-box: fill-box; }
.feature-illus--storage .feature-illus__disk--1 { animation: none; }
.feature-illus--storage .feature-illus__disk--2 { animation: none; }
.feature-illus--storage .feature-illus__disk--3 { animation: none; }
.feature-illus--storage .feature-illus__data {
    stroke-dasharray: 80;
    animation: feature-data 2.5s var(--ease) infinite;
}
.feature-illus--storage .feature-illus__link--1,
.feature-illus--storage .feature-illus__link--2 {
    stroke-dasharray: 80;
    animation: feature-data 2.8s var(--ease) infinite;
}
.feature-illus--storage .feature-illus__link--3 { animation: feature-pulse-line 1.6s var(--ease) infinite; }
.feature-illus--flashboot .feature-illus__speed--1,
.feature-illus--flashboot .feature-illus__speed--2 { stroke-dasharray: 40; }
.feature-illus--storage .feature-illus__sync { animation: feature-spin 5s linear infinite; transform-origin: center; transform-box: fill-box; }
.feature-illus--storage .feature-illus__led { animation: feature-status 2s var(--ease) infinite; }

@keyframes feature-bar {
    0%, 100% { transform: scaleY(0.45); }
    50% { transform: scaleY(1); }
}
@keyframes feature-slide {
    0%, 100% { transform: translateX(0); opacity: 0.7; }
    50% { transform: translateX(12px); opacity: 1; }
}
@keyframes feature-dot {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}
@keyframes feature-pulse {
    0% { transform: scale(0.85); opacity: 0.35; }
    70%, 100% { transform: scale(1.35); opacity: 0; }
}
@keyframes feature-clock {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes feature-status {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}
@keyframes feature-flash {
    0%, 88%, 100% { opacity: 1; transform: scale(1); }
    92% { opacity: 0.35; transform: scale(0.96); }
    96% { opacity: 1; transform: scale(1.02); }
}
@keyframes feature-flash-glow {
    0%, 88%, 100% { opacity: 0.25; }
    92% { opacity: 0.6; }
}
@keyframes feature-ms {
    0%, 100% { opacity: 0.75; }
    92%, 96% { opacity: 1; }
}
@keyframes feature-disk {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
@keyframes feature-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes feature-speed {
    0% { stroke-dashoffset: 30; opacity: 0.2; }
    50% { stroke-dashoffset: 0; opacity: 0.8; }
    100% { stroke-dashoffset: -20; opacity: 0.2; }
}
@keyframes feature-speed-h {
    0%, 100% { transform: translateX(0); opacity: 0.35; }
    50% { transform: translateX(14px); opacity: 1; }
}
@keyframes feature-boot {
    0% { stroke-dashoffset: 40; opacity: 0.35; }
    50% { stroke-dashoffset: 0; opacity: 1; }
    100% { stroke-dashoffset: -10; opacity: 0.5; }
}
@keyframes feature-pulse-line {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 1; }
}
@keyframes feature-data {
    0% { stroke-dashoffset: 60; opacity: 0.4; }
    50% { stroke-dashoffset: 0; opacity: 1; }
    100% { stroke-dashoffset: -20; opacity: 0.4; }
}
@keyframes feature-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .feature-illus * { animation: none !important; }
}

.workflow__step,
.feature-card,
.usecase-card {
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
}

.workflow__step {
    position: relative;
    flex: 1;
    min-width: 0;
    max-width: 280px;
    text-align: center;
    padding: 2rem 1.25rem 1.75rem;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03), 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}

.workflow__step:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 113, 227, 0.12);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04), 0 16px 40px rgba(0, 113, 227, 0.08);
}

.workflow__step:hover .icon-mark {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.08);
}

.workflow__connector {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    color: var(--text-muted);
    opacity: 0.35;
    align-self: center;
}

.workflow__step-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.workflow__step-num {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 0;
    opacity: 0.85;
}

.workflow__step-title {
    text-align: center;
}

.workflow__step-desc {
    text-align: center;
    font-size: 0.9375rem;
}

@media (max-width: 1024px) {
    .workflow__track {
        flex-wrap: wrap;
        gap: 1.25rem;
        justify-content: center;
    }

    .workflow__connector { display: none; }

    .workflow__step {
        flex: 1 1 calc(50% - 0.75rem);
        max-width: none;
    }
}

@media (max-width: 560px) {
    .workflow__step {
        flex: 1 1 100%;
    }
}

.workflow__step-title,
.feature-card__title,
.usecase-card__title {
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.625rem;
}

.workflow__step-desc,
.feature-card__desc,
.usecase-card__desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.feature-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 1rem;
    font-size: 17px;
    color: var(--accent);
    transition: gap 0.35s var(--ease);
}

.feature-card__link:hover { gap: 0.55rem; }

.usecase-card__tag {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

/* Performance */
.performance__list {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 640px;
}

.performance__item-label {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.performance__bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.performance__bar-label {
    width: 120px;
    font-size: 14px;
    color: var(--text-dim);
    flex-shrink: 0;
}

.performance__bar-track {
    flex: 1;
    height: 4px;
    background: var(--gray-100);
    border-radius: 100px;
    overflow: hidden;
}

.performance__bar-fill {
    height: 100%;
    border-radius: 100px;
    transition: width 1s var(--ease);
}

.performance__bar-fill--ours { background: var(--gradient); }
.performance__bar-fill--competitors { background: var(--gray-100); border: 1px solid var(--gray-100); }

.performance__bar-value {
    width: 40px;
    font-size: 14px;
    font-weight: 600;
    text-align: right;
    flex-shrink: 0;
}

/* CTA home */
.cta-section { padding: var(--section-y) 0; }

.cta-box {
    text-align: center;
    padding: var(--section-y) var(--section-x);
    background: var(--bg-muted);
    border-radius: var(--radius);
    border: none;
}

.cta-box__image { display: none; }

.cta-box__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.cta-box__subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.cta-box__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.cta-box__footnote {
    font-size: 15px;
    color: var(--text-dim);
    margin-top: 1.25rem;
}

/* Pricing */
.page-banner {
    padding: calc(var(--header-h) + var(--section-y) * 0.8) 0 calc(var(--section-y) * 0.5);
    background: var(--bg-muted);
}

.page-banner__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.page-banner__image { display: none; }

.pricing-addons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(2rem, 4vw, 3rem);
    margin-top: 2.5rem;
}

.pricing-addon {
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
}

.pricing-addon__title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.pricing-addon__price {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.pricing-addon__desc {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.pricing-table-wrap {
    overflow-x: auto;
    margin-top: 2.5rem;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.pricing-table th {
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    padding: 0 1rem 1rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-table td {
    padding: 1rem 1rem 1rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-note {
    margin-top: 1.5rem;
    font-size: 15px;
    color: var(--text-dim);
    line-height: 1.6;
    max-width: 72ch;
}

/* Contact */
.page-header {
    padding: calc(var(--header-h) + var(--section-y) * 0.8) 0 calc(var(--section-y) * 0.4);
    text-align: center;
}

.page-header__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.page-header__subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 42ch;
    margin: 1rem auto 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 8vw, 6rem);
    margin-top: 2rem;
}

.contact-form {
    padding: 0;
    background: none;
    border: none;
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--gray-100);
    border-radius: 0;
    color: var(--text);
    font-family: inherit;
    font-size: 17px;
    transition: border-color 0.3s var(--ease);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-error { font-size: 14px; color: #FF3B30; margin-top: 0.35rem; }

.form-success {
    padding: 1rem 0;
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.contact-visual__image { display: none; }

.contact-info__block {
    padding: 0 0 2rem;
    background: none;
    border: none;
    margin-bottom: 0;
}

.contact-info__title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.contact-info__lines {
    font-size: 1.0625rem;
    color: var(--text);
    line-height: 1.6;
}

.contact-info__lines li { margin-bottom: 0.2rem; }

/* Feature page */
.feature-page__body {
    max-width: 640px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.6;
    text-align: center;
}

.feature-hero__image { display: none; }

/* Docs */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
    margin-top: 2.5rem;
}

.docs-card {
    padding: 0;
    background: none;
    border: none;
}

.docs-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.docs-card__desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.docs-card__link {
    font-size: 17px;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.35s var(--ease);
}

.docs-card__link:hover { gap: 0.55rem; }

.docs-card__link::after { content: none; }

/* Footer */
.footer {
    padding: calc(var(--section-y) * 0.4) 0 1rem;
    background: var(--bg-muted);
    border-top: none;
    margin-top: 0;
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem 2rem;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 17px;
    font-weight: 600;
}

.footer__logo { width: 27px; height: 27px; }

.footer__tagline {
    font-size: 15px;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

.footer__info {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.55;
    margin-top: 0.75rem;
    max-width: 400px;
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
}

.footer__links a {
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.3s var(--ease);
}

.footer__links a:hover { color: var(--text); }

.footer__copy {
    width: 100%;
    font-size: 14px;
    color: var(--text-dim);
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--gray-100);
}

/* Admin */
.admin-body { background: var(--bg); min-height: 100vh; font-size: 14px; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 220px;
    background: var(--bg-muted);
    padding: 1.5rem;
    border-right: 1px solid var(--gray-100);
}
.admin-sidebar__title { font-size: 14px; font-weight: 600; margin-bottom: 1.5rem; }
.admin-sidebar nav a {
    display: block;
    padding: 0.5rem 0;
    font-size: 13px;
    color: var(--text-muted);
}
.admin-sidebar nav a:hover { color: var(--accent); }
.admin-main { flex: 1; padding: 2rem; }
.admin-header h1 { font-size: 1.5rem; font-weight: 600; }
.admin-card {
    background: var(--bg-muted);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: none;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}
.admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.admin-login__box {
    width: 100%;
    max-width: 380px;
    padding: 2rem;
    background: var(--bg-muted);
    border-radius: var(--radius);
}
.admin-login__title { font-size: 1.5rem; font-weight: 600; text-align: center; margin-bottom: 1.5rem; }
.admin-error { color: #FF3B30; font-size: 13px; margin-bottom: 1rem; }
.admin-success { color: var(--accent); font-size: 13px; margin-bottom: 1rem; }
.admin-stat__value { font-size: 2rem; font-weight: 700; color: var(--accent); }
.admin-section-editor textarea {
    width: 100%;
    min-height: 180px;
    font-family: monospace;
    font-size: 12px;
    padding: 1rem;
    border: 1px solid var(--gray-100);
    border-radius: 8px;
    background: var(--white);
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* 404 */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}
.error-page__code {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--gray-100);
}

/* Responsive */
@media (max-width: 900px) {
    .hero__grid { grid-template-columns: 1fr; }
    .hero__visual { order: -1; justify-content: center; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .header__toggle { display: block; }
    .header__logo span { display: none; }

    .header__nav a:not(.btn) {
        font-size: 17px;
    }

    .header__nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1.25rem;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s var(--ease);
    }

    .header__nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
        transition: opacity 0.25s var(--ease), transform 0.35s var(--ease);
    }

    .header__cta { width: 100%; }
    .header__cta .btn { width: 100%; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; }
}