:root {
    --bg: #f6f8fc;
    --bg-secondary: #f2f5fb;
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: rgba(255, 255, 255, 0.9);
    --surface-soft: rgba(255, 255, 255, 0.58);
    --text: #141821;
    --text-soft: #5f6778;
    --text-faint: #8b93a6;
    --line: rgba(20, 24, 33, 0.08);
    --line-strong: rgba(20, 24, 33, 0.14);
    --primary: #1f6fff;
    --primary-strong: #1558d4;
    --primary-soft: rgba(31, 111, 255, 0.1);
    --cyan: rgba(74, 206, 255, 0.22);
    --violet: rgba(120, 111, 255, 0.18);
    --success: #10a86a;
    --shadow-lg: 0 28px 90px rgba(37, 60, 110, 0.14);
    --shadow-md: 0 18px 48px rgba(37, 60, 110, 0.1);
    --shadow-sm: 0 10px 28px rgba(37, 60, 110, 0.08);
    --radius-xl: 34px;
    --radius-lg: 26px;
    --radius-md: 20px;
    --radius-sm: 16px;
    --container: 1220px;
    --ease: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --surface: rgba(22, 27, 34, 0.72);
    --surface-strong: rgba(22, 27, 34, 0.9);
    --surface-soft: rgba(22, 27, 34, 0.58);
    --text: #e6edf3;
    --text-soft: #8b949e;
    --text-faint: #6e7681;
    --line: rgba(240, 246, 252, 0.08);
    --line-strong: rgba(240, 246, 252, 0.14);
    --primary: #58a6ff;
    --primary-strong: #79c0ff;
    --primary-soft: rgba(88, 166, 255, 0.1);
    --cyan: rgba(121, 192, 255, 0.22);
    --violet: rgba(163, 113, 255, 0.18);
    --success: #3fb950;
    --shadow-lg: 0 28px 90px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0d1117;
        --bg-secondary: #161b22;
        --surface: rgba(22, 27, 34, 0.72);
        --surface-strong: rgba(22, 27, 34, 0.9);
        --surface-soft: rgba(22, 27, 34, 0.58);
        --text: #e6edf3;
        --text-soft: #8b949e;
        --text-faint: #6e7681;
        --line: rgba(240, 246, 252, 0.08);
        --line-strong: rgba(240, 246, 252, 0.14);
        --primary: #58a6ff;
        --primary-strong: #79c0ff;
        --primary-soft: rgba(88, 166, 255, 0.1);
        --cyan: rgba(121, 192, 255, 0.22);
        --violet: rgba(163, 113, 255, 0.18);
        --success: #3fb950;
        --shadow-lg: 0 28px 90px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.3);
        --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.2);
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background:
        radial-gradient(
            circle at 50% 12%,
            rgba(127, 155, 255, 0.18),
            transparent 28%
        ),
        radial-gradient(
            circle at 38% 42%,
            rgba(99, 214, 255, 0.14),
            transparent 22%
        ),
        radial-gradient(
            circle at 70% 30%,
            rgba(194, 222, 255, 0.28),
            transparent 20%
        ),
        linear-gradient(180deg, #fcfcfe 0%, #f5f8fc 45%, #f7f9fd 100%);
    font-family:
        "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
        "Noto Sans SC", sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] body {
    background:
        radial-gradient(
            circle at 50% 12%,
            rgba(88, 166, 255, 0.1),
            transparent 28%
        ),
        radial-gradient(
            circle at 38% 42%,
            rgba(121, 192, 255, 0.08),
            transparent 22%
        ),
        radial-gradient(
            circle at 70% 30%,
            rgba(163, 113, 255, 0.1),
            transparent 20%
        ),
        linear-gradient(180deg, #0d1117 0%, #161b22 45%, #0d1117 100%);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) body {
        background:
            radial-gradient(
                circle at 50% 12%,
                rgba(88, 166, 255, 0.1),
                transparent 28%
            ),
            radial-gradient(
                circle at 38% 42%,
                rgba(121, 192, 255, 0.08),
                transparent 22%
            ),
            radial-gradient(
                circle at 70% 30%,
                rgba(163, 113, 255, 0.1),
                transparent 20%
            ),
            linear-gradient(180deg, #0d1117 0%, #161b22 45%, #0d1117 100%);
    }
}

body::before,
body::after {
    content: "";
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -2;
    filter: blur(12px);
}

body::before {
    top: 6vh;
    width: min(900px, 78vw);
    height: min(900px, 78vw);
    background: radial-gradient(
        circle,
        rgba(108, 172, 255, 0.16) 0%,
        rgba(108, 238, 255, 0.08) 30%,
        transparent 64%
    );
}

body::after {
    top: 24vh;
    width: min(760px, 66vw);
    height: min(760px, 66vw);
    background: radial-gradient(
        circle,
        rgba(205, 244, 255, 0.2) 0%,
        transparent 60%
    );
}

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

button,
input,
textarea,
select {
    font: inherit;
}

svg {
    display: block;
}

::selection {
    background: rgba(31, 111, 255, 0.18);
}

.page-shell {
    position: relative;
    overflow: hidden;
}

.ambient {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(40px);
    z-index: -1;
}

.ambient-a {
    top: 12vh;
    left: 16vw;
    width: 24vw;
    height: 24vw;
    background: rgba(126, 195, 255, 0.12);
}

.ambient-b {
    top: 8vh;
    right: 14vw;
    width: 20vw;
    height: 20vw;
    background: rgba(129, 149, 255, 0.1);
}

.ambient-c {
    top: 40vh;
    left: 50%;
    width: 28vw;
    height: 28vw;
    transform: translateX(-50%);
    background: rgba(145, 232, 255, 0.12);
}

.snap-container {
    position: relative;
}

.snap-screen {
    position: relative;
    min-height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 0;
}

.container {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
}

.site-footer {
    position: relative;
    padding: 20px 0 34px;
}

.footer-legal-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.64);
    border: 1px solid rgba(20, 24, 33, 0.06);
    box-shadow: 0 14px 34px rgba(37, 60, 110, 0.08);
    backdrop-filter: blur(16px);
}

.footer-legal-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    color: #5a6478;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition:
        color var(--ease),
        transform var(--ease),
        opacity var(--ease);
}

.footer-legal-link:hover {
    color: #162033;
    transform: translateY(-1px);
}

.footer-legal-link::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 10px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #7fc8ff 0%, #6d83ff 100%);
    transform: scaleX(0.35);
    transform-origin: center;
    opacity: 0;
    transition:
        transform var(--ease),
        opacity var(--ease);
}

.footer-legal-link:hover::after,
.footer-legal-link:focus-visible::after {
    transform: scaleX(1);
    opacity: 1;
}

.footer-legal-divider {
    width: 1px;
    height: 18px;
    background: rgba(20, 24, 33, 0.08);
    flex: 0 0 auto;
}

@media (max-width: 900px) {
    .site-footer {
        padding: 18px 0 28px;
    }

    .footer-legal-nav {
        width: min(100%, 720px);
        row-gap: 2px;
        padding: 8px 10px;
        border-radius: 24px;
    }

    .footer-legal-link {
        min-height: 42px;
        padding: 0 14px;
        font-size: 14px;
    }
}

@media (max-width: 640px) {
    .footer-legal-nav {
        justify-content: flex-start;
        gap: 4px 2px;
        padding: 10px;
    }

    .footer-legal-divider {
        display: none;
    }

    .footer-legal-link {
        min-height: 38px;
        padding: 0 12px;
        border-radius: 999px;
    }

    .footer-legal-link:hover {
        transform: none;
    }

    .footer-legal-link:hover,
    .footer-legal-link:focus-visible {
        background: rgba(31, 111, 255, 0.06);
    }
}

.hero-screen {
    overflow: hidden;
}

.hero-screen::before,
.hero-screen::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-screen::before {
    top: 8vh;
    left: 50%;
    width: min(680px, 62vw);
    height: min(680px, 62vw);
    transform: translateX(-52%);
    background: radial-gradient(
        circle,
        rgba(106, 168, 255, 0.16) 0%,
        rgba(91, 220, 255, 0.08) 34%,
        transparent 70%
    );
}

.hero-screen::after {
    top: 24vh;
    left: 50%;
    width: min(460px, 42vw);
    height: min(460px, 42vw);
    transform: translateX(-36%);
    background: radial-gradient(
        circle,
        rgba(221, 246, 255, 0.42) 0%,
        transparent 64%
    );
}

.hero-layout {
    display: grid;
    align-items: center;
    justify-items: center;
    text-align: center;
    gap: 18px;
}

.hero-copy {
    display: grid;
    justify-items: center;
    gap: 12px !important;
    max-width: 840px !important;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(20, 24, 33, 0.06);
    box-shadow: 0 6px 18px rgba(37, 60, 110, 0.05);
    backdrop-filter: blur(14px);
    color: #4a5570;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, #53c2ff, #6680ff);
    box-shadow: 0 0 18px rgba(83, 194, 255, 0.35);
}

.hero-title {
    position: relative;
    margin: 0;
    max-width: 800px !important;
    font-size: clamp(40px, 6.35vw, 76px) !important;
    line-height: 0.92 !important;
    letter-spacing: -0.05em !important;
    font-weight: 900;
    color: #141821;
}

.hero-title-muted {
    display: block;
    position: relative;
    width: fit-content;
    margin: 0 auto 8px !important;
    color: #141821 !important;
    letter-spacing: -0.032em;
}

.hero-title-muted::after {
    content: "Unified";
    position: absolute;
    inset: 0;
    color: transparent;
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0) 44%,
        rgba(255, 255, 255, 0.06) 47%,
        rgba(255, 255, 255, 0.72) 50%,
        rgba(255, 255, 255, 0.08) 53%,
        rgba(255, 255, 255, 0) 56%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 240% 100%;
    background-repeat: no-repeat;
    background-position: 140% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    pointer-events: none;
    will-change: background-position;
    animation: hero-shine-line-1 4.8s linear infinite;
}

.hero-title-main {
    display: block;
    position: relative;
    width: fit-content;
    margin: 0 auto;
    color: #141821 !important;
    letter-spacing: -0.06em;
}

.hero-title-main::after {
    content: "LLM API Gateway";
    position: absolute;
    inset: 0;
    color: transparent;
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0) 44%,
        rgba(255, 255, 255, 0.06) 47%,
        rgba(255, 255, 255, 0.74) 50%,
        rgba(255, 255, 255, 0.08) 53%,
        rgba(255, 255, 255, 0) 56%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 240% 100%;
    background-repeat: no-repeat;
    background-position: 140% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    pointer-events: none;
    will-change: background-position;
    animation: hero-shine-line-2 4.8s linear infinite;
}

.hero-title-glow-wrap {
    position: relative;
    display: inline-block;
    color: #141821;
}

.hero-title-glow-wrap::after {
    content: none;
}

@keyframes hero-shine-line-1 {
    0% {
        background-position: 140% 50%;
    }
    34% {
        background-position: -40% 50%;
    }
    100% {
        background-position: -40% 50%;
    }
}

@keyframes hero-shine-line-2 {
    0% {
        background-position: 140% 50%;
    }
    38% {
        background-position: 140% 50%;
    }
    78% {
        background-position: -40% 50%;
    }
    100% {
        background-position: -40% 50%;
    }
}

.hero-subtitle {
    margin: 0;
    max-width: 680px !important;
    color: var(--text-soft);
    font-size: clamp(14px, 1.18vw, 16px) !important;
    line-height: 1.58 !important;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.endpoint-bar {
    display: inline-flex;
    align-items: center;
    gap: 11px !important;
    max-width: min(100%, 620px) !important;
    padding: 6px 8px 6px 15px !important;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(20, 24, 33, 0.045);
    box-shadow: 0 8px 20px rgba(37, 60, 110, 0.055);
    backdrop-filter: blur(14px);
}

.endpoint-domain,
.endpoint-path {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.endpoint-path-viewport {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: min(20ch, 42vw);
    min-width: 0;
    max-width: 20ch;
    overflow: hidden;
    white-space: nowrap;
}

.endpoint-path {
    display: inline-block;
    width: 20ch;
    min-width: 20ch;
    max-width: 20ch;
    vertical-align: top;
}

.endpoint-domain {
    color: #42506a;
    font-size: clamp(12px, 1vw, 14px) !important;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.endpoint-divider {
    width: 1px;
    height: 18px;
    background: rgba(20, 24, 33, 0.07);
    flex: 0 0 auto;
}

.endpoint-path {
    color: var(--primary);
    font-size: clamp(12px, 1vw, 14px) !important;
    font-weight: 700;
    letter-spacing: -0.015em;
    transform: translateY(0);
    opacity: 1;
    transition:
        transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 320ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform, opacity;
}

.endpoint-path.is-changing {
    animation: endpoint-path-slide 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes endpoint-path-slide {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.copy-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    min-width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: rgba(20, 24, 33, 0.05);
    color: #5e6b80;
    cursor: pointer;
    transition:
        transform var(--ease),
        background var(--ease),
        color var(--ease),
        box-shadow var(--ease);
}

.copy-chip:hover {
    transform: translateY(-1px);
    background: rgba(31, 111, 255, 0.12);
    color: var(--primary);
    box-shadow: 0 10px 22px rgba(31, 111, 255, 0.14);
}

.copy-chip svg {
    width: 20px;
    height: 20px;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px !important;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px !important;
    padding: 0 17px !important;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 13px !important;
    font-weight: 800;
    letter-spacing: -0.01em !important;
    cursor: pointer;
    transition:
        transform var(--ease),
        box-shadow var(--ease),
        background var(--ease),
        border-color var(--ease),
        color var(--ease);
    will-change: transform;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, #1f74ff 0%, #0e60f1 100%);
    box-shadow: 0 18px 34px rgba(31, 111, 255, 0.26);
}

.btn-primary:hover {
    box-shadow: 0 24px 42px rgba(31, 111, 255, 0.34);
}

.btn-secondary {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.76);
    border-color: rgba(31, 111, 255, 0.1);
    box-shadow: 0 12px 26px rgba(37, 60, 110, 0.08);
    backdrop-filter: blur(14px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(31, 111, 255, 0.16);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2em;
    height: 1.2em;
    font-size: 0.95em;
}

.providers-block {
    display: grid;
    gap: 10px;
    width: 100%;
    margin-top: 2px;
}

.providers-title {
    margin: 0;
    color: #959cab;
    font-size: clamp(12px, 0.92vw, 14px);
    font-weight: 500;
    letter-spacing: -0.01em;
}

.provider-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
    width: min(100%, 920px);
    margin: 0 auto;
}

.provider-item {
    min-height: 50px;
    padding: 0 10px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.34);
    border: 1px solid rgba(20, 24, 33, 0.04);
    box-shadow: 0 6px 16px rgba(37, 60, 110, 0.035);
    backdrop-filter: blur(10px);
    color: #232937;
    font-size: clamp(13px, 1.05vw, 15px);
    font-weight: 800;
    letter-spacing: -0.015em;
    transition:
        transform var(--ease),
        box-shadow var(--ease),
        border-color var(--ease);
}

.provider-item:hover {
    transform: translateY(-4px);
    border-color: rgba(31, 111, 255, 0.14);
    box-shadow: 0 16px 32px rgba(37, 60, 110, 0.08);
}

.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #7f8798;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.scroll-arrow {
    display: inline-block;
    animation: float-down 1.8s ease-in-out infinite;
}

@keyframes float-down {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.9;
    }
    50% {
        transform: translateY(5px);
        opacity: 1;
    }
}

.pricing-screen {
    background:
        radial-gradient(
            circle at 50% 18%,
            rgba(98, 168, 255, 0.1),
            transparent 30%
        ),
        linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.14) 0%,
            rgba(240, 244, 250, 0.64) 100%
        );
}

.pricing-screen::before {
    content: "";
    position: absolute;
    inset: 30px;
    border-radius: 42px;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8) 0%,
        rgba(249, 251, 255, 0.62) 100%
    );
    border: 1px solid rgba(20, 24, 33, 0.05);
    box-shadow: var(--shadow-lg);
    z-index: 0;
}

.pricing-layout {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 22px;
    width: min(100%, 1200px);
    margin: 0 auto;
}

.section-heading {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 8px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(26px, 2.8vw, 42px);
    line-height: 1;
    letter-spacing: -0.045em;
    font-weight: 900;
    color: #141821;
}

.section-heading p {
    margin: 0;
    max-width: 620px;
    color: var(--text-soft);
    font-size: clamp(13px, 0.95vw, 15px);
    line-height: 1.62;
    letter-spacing: -0.01em;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    display: grid;
    gap: 12px;
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(20, 24, 33, 0.055);
    box-shadow: 0 8px 20px rgba(37, 60, 110, 0.06);
    backdrop-filter: blur(14px);
    transition:
        transform var(--ease),
        box-shadow var(--ease),
        border-color var(--ease);
    overflow: hidden;
}

.plan-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(31, 111, 255, 0.16),
        transparent
    );
}

.plan-card:hover {
    transform: translateY(-8px);
    border-color: rgba(31, 111, 255, 0.12);
    box-shadow: 0 24px 50px rgba(37, 60, 110, 0.12);
}

.plan-card.featured {
    transform: translateY(-4px);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.96),
        rgba(246, 250, 255, 0.9)
    );
    border-color: rgba(31, 111, 255, 0.14);
    box-shadow:
        0 16px 30px rgba(31, 111, 255, 0.1),
        0 10px 22px rgba(37, 60, 110, 0.06);
}

.plan-card.featured::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at top,
        rgba(89, 177, 255, 0.12),
        transparent 42%
    );
    pointer-events: none;
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.plan-topline {
    color: var(--text-faint);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.045em;
}

.plan-name {
    margin: 0;
    font-size: 20px;
    line-height: 1.06;
    font-weight: 900;
    letter-spacing: -0.028em;
    color: #151a23;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 7px;
}

.plan-price .currency {
    font-size: 15px;
    font-weight: 800;
    color: #2a3040;
}

.plan-price .amount {
    font-size: clamp(32px, 3.45vw, 44px);
    line-height: 0.98;
    letter-spacing: -0.042em;
    font-weight: 900;
    color: #10131a;
}

.plan-desc {
    margin: 0;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.55;
    letter-spacing: -0.01em;
}

.plan-metric {
    display: grid;
    gap: 7px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(31, 111, 255, 0.045);
    border: 1px solid rgba(31, 111, 255, 0.07);
}

.metric-label {
    font-size: 11px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.02em;
}

.plan-metric strong {
    font-size: clamp(18px, 1.7vw, 22px);
    line-height: 1.12;
    font-weight: 900;
    color: #131720;
    letter-spacing: -0.024em;
}

.plan-features {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: #3d4658;
    font-size: 13px;
    line-height: 1.48;
    letter-spacing: -0.01em;
}

.plan-features li::before {
    content: "✓";
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    margin-top: 1px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(16, 168, 106, 0.12);
    color: var(--success);
    font-size: 13px;
    font-weight: 900;
}

.plan-btn {
    margin-top: auto;
    width: 100%;
}

.pricing-note {
    display: flex;
    justify-content: center;
}

.pricing-note p {
    margin: 0;
    max-width: 760px;
    text-align: center;
    color: var(--text-faint);
    font-size: 12px;
    line-height: 1.7;
}

@media (max-width: 1200px) {
    .provider-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .pricing-layout {
        width: min(100%, 1120px);
    }

    .pricing-grid {
        gap: 14px;
    }

    .plan-card.featured {
        transform: translateY(-4px);
    }
}

@media (max-width: 980px) {
    html {
        scroll-snap-type: none;
    }

    .snap-screen {
        min-height: auto;
        padding: 88px 0;
    }

    .provider-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pricing-screen::before {
        inset: 18px;
        border-radius: 28px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .plan-card,
    .plan-card.featured {
        transform: none;
    }

    .scroll-hint {
        display: none;
    }
}

@media (max-width: 720px) {
    body {
        background:
            radial-gradient(
                circle at 50% 12%,
                rgba(118, 152, 255, 0.14),
                transparent 32%
            ),
            radial-gradient(
                circle at 50% 36%,
                rgba(85, 215, 255, 0.12),
                transparent 24%
            ),
            linear-gradient(180deg, #fbfbfd 0%, #f4f7fb 44%, #f7f9fc 100%);
    }

    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .snap-screen {
        padding: 72px 0 54px;
    }

    .hero-layout {
        gap: 24px;
    }

    .hero-copy {
        gap: 18px;
    }

    .hero-title {
        font-size: clamp(40px, 14vw, 64px);
        line-height: 1.02;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 1.8;
    }

    .endpoint-bar {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 10px 12px;
        width: 100%;
        border-radius: 24px;
        padding: 14px;
    }

    .endpoint-domain,
    .endpoint-path {
        white-space: normal;
        word-break: break-all;
    }

    .endpoint-path-viewport {
        width: 100%;
        max-width: none;
        white-space: normal;
    }

    .endpoint-divider {
        display: none;
    }

    .endpoint-path {
        grid-column: 1 / 2;
    }

    .copy-chip {
        grid-column: 2 / 3;
        grid-row: 1 / span 2;
        align-self: center;
    }

    .hero-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
    }

    .providers-block {
        gap: 16px;
        margin-top: 2px;
    }

    .providers-title {
        font-size: 15px;
    }

    .provider-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .provider-item {
        min-height: 58px;
        border-radius: 18px;
        font-size: 16px;
    }

    .pricing-screen::before {
        inset: 10px;
        border-radius: 22px;
    }

    .pricing-layout {
        gap: 24px;
    }

    .section-heading h2 {
        font-size: clamp(30px, 10vw, 46px);
    }

    .section-heading p {
        font-size: 15px;
    }

    .plan-card {
        padding: 22px 18px;
        border-radius: 24px;
        gap: 18px;
    }

    .plan-name {
        font-size: 24px;
    }

    .plan-price .amount {
        font-size: 46px;
    }

    .plan-metric {
        padding: 16px;
        border-radius: 18px;
    }

    .plan-metric strong {
        font-size: 24px;
    }

    .plan-features li {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .eyebrow {
        font-size: 12px;
        padding: 0 12px;
    }

    .hero-title {
        font-size: 38px;
    }
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-toggle button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: all var(--ease);
    backdrop-filter: blur(10px);
}

.theme-toggle button:hover {
    background: var(--surface-strong);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .sun-icon {
        display: none;
    }
    
    :root:not([data-theme="light"]) .moon-icon {
        display: block;
    }
}

/* Dark mode overrides for specific elements */
[data-theme="dark"] .footer-legal-nav {
    background: rgba(22, 27, 34, 0.64);
    border-color: rgba(240, 246, 252, 0.06);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .footer-legal-nav {
        background: rgba(22, 27, 34, 0.64);
        border-color: rgba(240, 246, 252, 0.06);
        box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
    }
}

[data-theme="dark"] .footer-legal-link {
    color: #8b949e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .footer-legal-link {
        color: #8b949e;
    }
}

[data-theme="dark"] .footer-legal-link:hover {
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .footer-legal-link:hover {
        color: #e6edf3;
    }
}

[data-theme="dark"] .eyebrow {
    background: rgba(22, 27, 34, 0.68);
    border-color: rgba(240, 246, 252, 0.06);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    color: #8b949e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .eyebrow {
        background: rgba(22, 27, 34, 0.68);
        border-color: rgba(240, 246, 252, 0.06);
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        color: #8b949e;
    }
}

[data-theme="dark"] .endpoint-bar {
    background: rgba(22, 27, 34, 0.66);
    border-color: rgba(240, 246, 252, 0.045);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .endpoint-bar {
        background: rgba(22, 27, 34, 0.66);
        border-color: rgba(240, 246, 252, 0.045);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }
}

[data-theme="dark"] .copy-chip {
    background: rgba(240, 246, 252, 0.05);
    color: #8b949e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .copy-chip {
        background: rgba(240, 246, 252, 0.05);
        color: #8b949e;
    }
}

[data-theme="dark"] .copy-chip:hover {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    box-shadow: 0 10px 22px rgba(88, 166, 255, 0.15);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .copy-chip:hover {
        background: rgba(88, 166, 255, 0.15);
        color: #58a6ff;
        box-shadow: 0 10px 22px rgba(88, 166, 255, 0.15);
    }
}

[data-theme="dark"] .btn-secondary {
    color: #58a6ff;
    background: rgba(22, 27, 34, 0.76);
    border-color: rgba(88, 166, 255, 0.15);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .btn-secondary {
        color: #58a6ff;
        background: rgba(22, 27, 34, 0.76);
        border-color: rgba(88, 166, 255, 0.15);
        box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
    }
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(22, 27, 34, 0.94);
    border-color: rgba(88, 166, 255, 0.25);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .btn-secondary:hover {
        background: rgba(22, 27, 34, 0.94);
        border-color: rgba(88, 166, 255, 0.25);
    }
}

[data-theme="dark"] .provider-item {
    background: rgba(22, 27, 34, 0.34);
    border-color: rgba(240, 246, 252, 0.04);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .provider-item {
        background: rgba(22, 27, 34, 0.34);
        border-color: rgba(240, 246, 252, 0.04);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
        color: #e6edf3;
    }
}

[data-theme="dark"] .provider-item:hover {
    border-color: rgba(88, 166, 255, 0.2);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .provider-item:hover {
        border-color: rgba(88, 166, 255, 0.2);
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
    }
}

[data-theme="dark"] .pricing-screen {
    background:
        radial-gradient(
            circle at 50% 18%,
            rgba(88, 166, 255, 0.08),
            transparent 30%
        ),
        linear-gradient(
            180deg,
            rgba(22, 27, 34, 0.14) 0%,
            rgba(13, 17, 23, 0.64) 100%
        );
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .pricing-screen {
        background:
            radial-gradient(
                circle at 50% 18%,
                rgba(88, 166, 255, 0.08),
                transparent 30%
            ),
            linear-gradient(
                180deg,
                rgba(22, 27, 34, 0.14) 0%,
                rgba(13, 17, 23, 0.64) 100%
            );
    }
}

[data-theme="dark"] .pricing-screen::before {
    background: linear-gradient(
        180deg,
        rgba(22, 27, 34, 0.8) 0%,
        rgba(13, 17, 23, 0.62) 100%
    );
    border-color: rgba(240, 246, 252, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .pricing-screen::before {
        background: linear-gradient(
            180deg,
            rgba(22, 27, 34, 0.8) 0%,
            rgba(13, 17, 23, 0.62) 100%
        );
        border-color: rgba(240, 246, 252, 0.05);
    }
}

[data-theme="dark"] .plan-card {
    background: rgba(22, 27, 34, 0.82);
    border-color: rgba(240, 246, 252, 0.055);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-card {
        background: rgba(22, 27, 34, 0.82);
        border-color: rgba(240, 246, 252, 0.055);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }
}

[data-theme="dark"] .plan-card:hover {
    border-color: rgba(88, 166, 255, 0.15);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-card:hover {
        border-color: rgba(88, 166, 255, 0.15);
        box-shadow: 0 24px 50px rgba(0, 0, 0, 0.3);
    }
}

[data-theme="dark"] .plan-card.featured {
    background: linear-gradient(
        180deg,
        rgba(22, 27, 34, 0.96),
        rgba(13, 17, 23, 0.9)
    );
    border-color: rgba(88, 166, 255, 0.2);
    box-shadow:
        0 16px 30px rgba(88, 166, 255, 0.15),
        0 10px 22px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-card.featured {
        background: linear-gradient(
            180deg,
            rgba(22, 27, 34, 0.96),
            rgba(13, 17, 23, 0.9)
        );
        border-color: rgba(88, 166, 255, 0.2);
        box-shadow:
            0 16px 30px rgba(88, 166, 255, 0.15),
            0 10px 22px rgba(0, 0, 0, 0.2);
    }
}

[data-theme="dark"] .section-heading h2 {
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .section-heading h2 {
        color: #e6edf3;
    }
}

[data-theme="dark"] .plan-name {
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-name {
        color: #e6edf3;
    }
}

[data-theme="dark"] .plan-price .amount {
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-price .amount {
        color: #ffffff;
    }
}

[data-theme="dark"] .plan-price .currency {
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-price .currency {
        color: #e6edf3;
    }
}

[data-theme="dark"] .plan-metric {
    background: rgba(88, 166, 255, 0.08);
    border-color: rgba(88, 166, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-metric {
        background: rgba(88, 166, 255, 0.08);
        border-color: rgba(88, 166, 255, 0.1);
    }
}

[data-theme="dark"] .plan-metric strong {
    color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-metric strong {
        color: #ffffff;
    }
}

[data-theme="dark"] .plan-features li {
    color: #8b949e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .plan-features li {
        color: #8b949e;
    }
}

[data-theme="dark"] .hero-title,
[data-theme="dark"] .hero-title-muted,
[data-theme="dark"] .hero-title-main,
[data-theme="dark"] .hero-title-glow-wrap,
@media (prefers-color-scheme: dark) :root:not([data-theme="light"]) .hero-title,
@media (prefers-color-scheme: dark) :root:not([data-theme="light"]) .hero-title-muted,
@media (prefers-color-scheme: dark) :root:not([data-theme="light"]) .hero-title-main,
@media (prefers-color-scheme: dark) :root:not([data-theme="light"]) .hero-title-glow-wrap {
    color: #e6edf3 !important;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-title,
    :root:not([data-theme="light"]) .hero-title-muted,
    :root:not([data-theme="light"]) .hero-title-main {
        color: #e6edf3 !important;
    }
}

[data-theme="dark"] .hero-title-muted::after {
    content: "Unified";
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-title-muted::after {
        content: "Unified";
    }
}

[data-theme="dark"] .hero-title-main::after {
    content: "LLM API Gateway";
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-title-main::after {
        content: "LLM API Gateway";
    }
}

[data-theme="dark"] .endpoint-domain {
    color: #8b949e;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .endpoint-domain {
        color: #8b949e;
    }
}

[data-theme="dark"] .footer-legal-divider {
    background: rgba(240, 246, 252, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .footer-legal-divider {
        background: rgba(240, 246, 252, 0.08);
    }
}

[data-theme="dark"] .providers-title {
    color: #6e7681;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .providers-title {
        color: #6e7681;
    }
}

[data-theme="dark"] .scroll-hint {
    color: #6e7681;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .scroll-hint {
        color: #6e7681;
    }
}

[data-theme="dark"] .theme-toggle button {
    background: rgba(22, 27, 34, 0.8);
    border-color: rgba(240, 246, 252, 0.1);
    color: #e6edf3;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle button {
        background: rgba(22, 27, 34, 0.8);
        border-color: rgba(240, 246, 252, 0.1);
        color: #e6edf3;
    }
}

[data-theme="dark"] .theme-toggle button:hover {
    background: rgba(22, 27, 34, 0.95);
    border-color: #58a6ff;
    color: #58a6ff;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle button:hover {
        background: rgba(22, 27, 34, 0.95);
        border-color: #58a6ff;
        color: #58a6ff;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}