* {
    box-sizing: border-box;
}

:root {
    color-scheme: light;
    --bg: #f6efe4;
    --bg-warm: #f2d4aa;
    --surface: rgba(255, 252, 247, 0.76);
    --surface-strong: #fffaf2;
    --surface-dark: #1c1a18;
    --text: #171411;
    --muted: #64594e;
    --line: rgba(23, 20, 17, 0.12);
    --accent: #cb5c32;
    --accent-deep: #9f3d18;
    --accent-soft: #f0b99a;
    --success: #22795b;
    --shadow: 0 24px 80px rgba(78, 46, 19, 0.12);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(240, 185, 154, 0.55), transparent 34%),
        radial-gradient(circle at 85% 10%, rgba(242, 212, 170, 0.85), transparent 26%),
        linear-gradient(180deg, #f9f4eb 0%, var(--bg) 52%, #efe4d6 100%);
    color: var(--text);
    font-family: "Space Grotesk", sans-serif;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(23, 20, 17, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 20, 17, 0.04) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 85%);
    pointer-events: none;
}

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

button,
input {
    font: inherit;
}

.page-shell {
    position: relative;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 56px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 10px 0 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-mark {
    width: 16px;
    height: 16px;
    border-radius: 5px;
    background: linear-gradient(135deg, var(--accent) 0%, #e2a14e 100%);
    box-shadow: 10px 10px 0 -4px rgba(203, 92, 50, 0.26);
}

.topbar-links {
    display: inline-flex;
    align-items: center;
    gap: 22px;
    color: var(--muted);
    font-size: 0.96rem;
}

.topbar-links a {
    position: relative;
}

.topbar-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.topbar-links a:hover::after,
.topbar-links a:focus-visible::after {
    transform: scaleX(1);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 34px;
    align-items: start;
    padding-top: 28px;
}

.hero-copy,
.hero-panel,
.info-card,
.api-section {
    animation: rise 680ms ease both;
}

.hero-panel {
    animation-delay: 120ms;
}

.content-grid .info-card:nth-child(2) {
    animation-delay: 180ms;
}

.content-grid .info-card:nth-child(3) {
    animation-delay: 260ms;
}

.eyebrow,
.card-label,
.panel-kicker,
.metric-label,
.signal-caption,
.result-label {
    margin: 0;
    color: var(--accent-deep);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.76rem;
    font-weight: 700;
}

.hero h1,
.section-heading h2 {
    margin: 14px 0 18px;
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.hero h1 {
    max-width: 9ch;
    font-size: clamp(3.4rem, 9vw, 6.8rem);
}

.hero-text,
.info-card p,
.endpoint-card p {
    color: var(--muted);
    line-height: 1.7;
    font-size: 1.03rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
}

.metric-card,
.shortener-card,
.signal-card,
.info-card,
.endpoint-card,
.code-block {
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.metric-card {
    padding: 18px;
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 242, 0.72);
}

.metric-card strong {
    display: block;
    margin-top: 10px;
    font-size: 1.15rem;
}

.hero-panel {
    display: grid;
    gap: 18px;
}

.shortener-card,
.signal-card,
.info-card,
.api-section {
    background: var(--surface);
    border-radius: var(--radius-xl);
}

.shortener-card {
    padding: 26px;
}

.panel-header h2 {
    margin: 6px 0 0;
    font-size: 2rem;
    letter-spacing: -0.04em;
}

.shortener-form {
    margin-top: 22px;
}

.field-label {
    display: inline-block;
    margin-bottom: 10px;
    font-weight: 500;
}

.input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
}

.input-row input {
    width: 100%;
    padding: 17px 18px;
    border: 1px solid rgba(23, 20, 17, 0.14);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.7);
    color: var(--text);
}

.input-row input:focus-visible,
button:focus-visible,
.secondary-button:focus-visible,
.result-card a:focus-visible {
    outline: 3px solid rgba(203, 92, 50, 0.22);
    outline-offset: 2px;
}

.input-row button,
.secondary-button {
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.input-row button {
    padding: 17px 22px;
    background: linear-gradient(135deg, var(--accent) 0%, #e29348 100%);
    color: #fff8f0;
    font-weight: 700;
    box-shadow: 0 12px 30px rgba(203, 92, 50, 0.25);
}

.input-row button:hover,
.secondary-button:hover {
    transform: translateY(-1px);
}

.input-row button:disabled,
.secondary-button:disabled {
    cursor: wait;
    opacity: 0.75;
    transform: none;
}

.helper-text {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.status-message {
    min-height: 24px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.96rem;
}

.status-message.error {
    color: var(--accent-deep);
}

.status-message.success {
    color: var(--success);
}

.result-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 14px;
    padding: 18px;
    border-radius: var(--radius-lg);
    background: rgba(255, 248, 239, 0.92);
}

.result-card a {
    display: inline-block;
    margin-top: 8px;
    color: var(--accent-deep);
    font-weight: 700;
    word-break: break-all;
}

.secondary-button {
    padding: 13px 18px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(23, 20, 17, 0.12);
}

.signal-card {
    position: relative;
    overflow: hidden;
    padding: 24px;
}

.signal-line {
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, transparent 65%);
}

.signal-card ol {
    margin: 16px 0 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.8;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}

.info-card {
    padding: 24px;
}

.accent-card {
    background:
        linear-gradient(155deg, rgba(242, 212, 170, 0.46), rgba(255, 252, 247, 0.72)),
        var(--surface);
}

.info-card h3,
.endpoint-card h3 {
    margin: 8px 0 10px;
    font-size: 1.5rem;
    letter-spacing: -0.04em;
}

.api-section {
    margin-top: 34px;
    padding: 28px;
}

.section-heading h2 {
    max-width: 11ch;
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.api-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.endpoint-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 22px;
    border-radius: var(--radius-lg);
    background: rgba(255, 251, 246, 0.76);
}

.method {
    min-width: 56px;
    padding: 9px 10px;
    border-radius: 999px;
    text-align: center;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.82rem;
    font-weight: 500;
}

.method.post {
    background: rgba(203, 92, 50, 0.12);
    color: var(--accent-deep);
}

.method.get {
    background: rgba(34, 121, 91, 0.12);
    color: var(--success);
}

.method.health {
    background: rgba(66, 90, 180, 0.12);
    color: #3550a7;
}

.code-block {
    margin: 24px 0 0;
    padding: 22px;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: var(--surface-dark);
    color: #fff7ee;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.95rem;
    line-height: 1.8;
}

code {
    font-family: "IBM Plex Mono", monospace;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 960px) {
    .hero,
    .content-grid,
    .api-layout {
        grid-template-columns: 1fr;
    }

    .hero h1,
    .section-heading h2 {
        max-width: none;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(100% - 24px, 1180px);
        padding-top: 18px;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-links {
        flex-wrap: wrap;
        gap: 14px;
    }

    .shortener-card,
    .signal-card,
    .info-card,
    .api-section {
        padding: 20px;
    }

    .panel-header h2 {
        font-size: 1.7rem;
    }

    .input-row,
    .result-card {
        grid-template-columns: 1fr;
        display: grid;
    }

    .input-row button,
    .secondary-button {
        width: 100%;
    }
}