/* ==========================================================================
   OnieMikel - Oracle Cloud Landing
   style.css
=========================================================================== */

:root {
    --background: #05070b;
    --surface: rgba(10, 14, 24, 0.72);
    --surface-strong: rgba(14, 19, 31, 0.9);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(96, 165, 250, 0.28);
    --primary: #4a8dff;
    --primary-strong: #7cb0ff;
    --text: #f5f7fb;
    --text-secondary: #a9b5c7;
    --container: 1160px;
    --radius-lg: 28px;
    --radius-md: 22px;
    --transition: 220ms ease;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: "Inter", "Noto Sans JP", sans-serif;
    background: radial-gradient(circle at top, rgba(74, 141, 255, 0.12), transparent 30%), var(--background);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

img {
    display: block;
    max-width: 100%;
}

button {
    font: inherit;
}

.container {
    width: min(92vw, var(--container));
    margin-inline: auto;
}

main {
    text-align: center;
}

main > section {
    display: block;
}

.background {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

.background-grid {
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.15));
}

.background-glow {
    z-index: -1;
}

.background-glow::before,
.background-glow::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
}

.background-glow::before {
    width: 560px;
    height: 560px;
    left: -180px;
    top: -120px;
    background: rgba(74, 141, 255, 0.12);
}

.background-glow::after {
    width: 460px;
    height: 460px;
    right: -120px;
    bottom: -120px;
    background: rgba(255, 255, 255, 0.05);
}

.header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(5, 7, 11, 0.68);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.navigation a {
    padding: 10px 16px;
    border-radius: 999px;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.navigation a:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.hero {
    min-height: calc(100vh - 78px);
    display: grid;
    align-items: center;
    padding: 40px 0 56px;
}

.hero-shell {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 22px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(74, 141, 255, 0.24);
    background: rgba(74, 141, 255, 0.08);
    color: var(--primary-strong);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 11ch;
    font-size: clamp(3rem, 8vw, 6.8rem);
    line-height: 0.96;
    letter-spacing: -0.05em;
}

.hero-copy,
.section-heading p,
.cta-shell p,
.feature-card p,
.info-card p,
.footer-inner p {
    color: var(--text-secondary);
}

.hero-copy {
    max-width: 760px;
    font-size: clamp(1rem, 1.55vw, 1.18rem);
}

.hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.button-primary {
    color: #f8fbff;
    background: linear-gradient(180deg, var(--primary), #2f6dff);
    box-shadow: 0 16px 30px rgba(74, 141, 255, 0.24);
}

.button-primary:hover {
    transform: translateY(-2px);
    background: linear-gradient(180deg, var(--primary-strong), #3c7bff);
}

.button-secondary {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.button-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: rgba(74, 141, 255, 0.09);
}

.hero-metrics {
    width: min(100%, 840px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 10px;
}

.metric-card,
.info-card,
.feature-card,
.cta-shell {
    display: grid;
    justify-items: center;
    text-align: center;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.metric-card {
    padding: 20px 18px;
    border-radius: var(--radius-md);
    text-align: center;
}

.metric-card span,
.card-label,
.section-heading span,
.cta-shell .eyebrow {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-strong);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.metric-card strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #3cff94;
    box-shadow: 0 0 0 6px rgba(60, 255, 148, 0.09);
}

.section {
    padding: 104px 0;
}

.section-compact {
    padding-top: 36px;
}

.section-shell {
    display: grid;
    justify-items: center;
    gap: 34px;
    text-align: center;
}

.section-heading {
    max-width: 720px;
    text-align: center;
    display: grid;
    gap: 12px;
    justify-items: center;
}

.section-heading h2,
.cta-shell h2 {
    font-size: clamp(2rem, 4.6vw, 3.4rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.section-heading p,
.cta-shell p {
    max-width: 620px;
}

.card-grid,
.dual-grid {
    width: 100%;
    display: grid;
    gap: 18px;
    justify-items: center;
    align-items: start;
}

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

.dual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 920px;
}

.info-card,
.feature-card {
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
}

.info-card h3,
.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.info-card p,
.feature-card p {
    max-width: 30ch;
    margin-inline: auto;
}

.chip-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 920px;
}

.chip-row span {
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
}

.cta-shell {
    max-width: 760px;
    margin-inline: auto;
    padding: 42px 28px;
    border-radius: 30px;
    display: grid;
    justify-items: center;
    gap: 18px;
}

.footer {
    padding: 34px 0 46px;
}

.footer-inner {
    text-align: center;
    display: grid;
    justify-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 22px;
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 920px) {
    .card-grid-3,
    .dual-grid,
    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .header-inner {
        min-height: 88px;
        flex-direction: column;
        justify-content: center;
        padding: 16px 0;
    }

    .hero {
        min-height: auto;
        padding-top: 44px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(92vw, 100%);
    }

    .section {
        padding: 80px 0;
    }

    .hero h1 {
        max-width: 100%;
    }

    .button {
        width: 100%;
    }

    .hero-actions {
        width: 100%;
        flex-direction: column;
    }

    .info-card,
    .feature-card,
    .cta-shell,
    .metric-card {
        padding-inline: 20px;
    }

    .cta-shell {
        padding-block: 34px;
    }
}