:root {
    --color-primary: #ffb3ba;
    --color-secondary: #ffc7ce;
    --color-accent: #ff69b4;
    --color-bg: #fffbfc;
    --color-text: #3a2a30;
    --color-text-light: #6b5560;
    --color-border: #f0d4da;
    --color-surface: #ffffff;
    --color-ink: #5a3a42;
    --font-display: "Abril Fatface", Georgia, serif;
    --font-body: "Crimson Text", Georgia, serif;
    --space-xs: 0.35rem;
    --space-sm: 0.7rem;
    --space-md: 1.15rem;
    --space-lg: 1.85rem;
    --space-xl: 3rem;
    --radius: 6px;
    --op-header-h: 72px;
    --op-page-w: 1120px;
}

@media (max-width: 768px) {
    :root { --op-header-h: 64px; }
}

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

[hidden] { display: none !important; }

html {
    scroll-padding-top: var(--op-header-h);
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding-top: var(--op-header-h);
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    max-width: 100%;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(255, 179, 186, 0.35), transparent 42%),
        radial-gradient(circle at 88% 8%, rgba(255, 105, 180, 0.12), transparent 36%);
}

img, video, iframe {
    max-width: 100%;
    height: auto;
}

a { color: var(--color-ink); }
a:hover { color: var(--color-accent); }

h1, h2, h3, .op-h2, .op-h3, .op-hero-title, .op-app-name {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
}

.op-wrap {
    max-width: var(--op-page-w);
    margin: 0 auto;
    padding: 0 24px;
}

.op-min0 { min-width: 0; }

.op-flex { display: flex; }
.op-gap-md { gap: var(--space-md); }
.op-text-center { text-align: center; }
.op-muted { color: var(--color-text-light); font-size: 0.98rem; }

.op-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.op-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    min-height: var(--op-header-h);
    background: var(--color-bg);
    box-shadow: 0 2px 8px rgba(58, 42, 48, 0.08);
}

.op-header a,
.op-header a:visited { color: var(--color-ink); }

.op-header-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-height: var(--op-header-h);
}

.op-logo {
    flex-shrink: 0;
    display: block;
}

.op-logo img {
    width: 180px;
    height: auto;
    display: block;
}

.op-nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.85rem;
    margin-left: auto;
}

.op-nav a {
    text-decoration: none;
    font-size: 1rem;
    white-space: nowrap;
}

.op-nav a.is-active { color: var(--color-accent); text-decoration: underline; text-underline-offset: 4px; }

.op-header-cta { margin-left: 0.5rem; flex-shrink: 0; }

.op-burger,
.op-overlay,
.op-drawer { display: none; }

.op-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.55rem 1.15rem;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.2;
}

.op-btn-split {
    color: #fff;
    background: linear-gradient(105deg, var(--color-accent) 0 48%, var(--color-ink) 48% 100%);
    border-radius: 4px;
}

.op-btn-split:hover { filter: brightness(1.05); }

.op-btn-ghost {
    color: var(--color-ink);
    background: transparent;
    border: 1.5px solid var(--color-ink);
    border-radius: 4px;
}

.op-header a.op-btn-split,
.op-header a.op-btn-split:visited,
.op-hero a.op-btn-split,
.op-hero a.op-btn-split:visited,
.op-cta a.op-btn-split,
.op-cta a.op-btn-split:visited,
.op-cookie a.op-btn-split,
.op-cookie button.op-btn-split,
.op-cookie a.op-btn-split:visited {
    color: #fff;
}

.op-hero a.op-btn-ghost,
.op-hero a.op-btn-ghost:visited {
    color: var(--color-ink);
    border-color: var(--color-ink);
}

.op-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 1.75rem 1.5rem 2rem;
    box-shadow: 0 8px 24px rgba(90, 58, 66, 0.05);
}

.op-card::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    border-width: 0 18px 18px 0;
    border-style: solid;
    border-color: var(--color-bg) var(--color-bg) var(--color-border) var(--color-border);
}

.op-card > :last-child {
    margin-bottom: 0;
}

.op-hero {
    background: linear-gradient(180deg, #ffe8ec 0%, var(--color-bg) 72%);
    padding: var(--space-xl) 0 var(--space-lg);
}

.op-hero-title {
    font-size: clamp(2rem, 4vw, 3.1rem);
    max-width: 18ch;
    margin: 0 0 var(--space-md);
}

.op-hero-nums {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.op-hero-num {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-md);
    min-width: 0;
}

.op-hero-figure {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--color-accent);
}

.op-hero-label {
    display: block;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.op-hero-text { max-width: 62ch; margin: 0 0 var(--space-md); }

.op-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.op-hero-actions .op-btn { width: auto; }

.op-hero-still { margin: 0; }

.op-app-preview {
    width: auto;
    height: auto;
    max-width: min(280px, 100%);
    max-height: 420px;
    object-fit: contain;
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(90, 58, 66, 0.18);
}

.op-app-icon {
    width: 96px;
    height: 96px;
    border-radius: 22%;
    object-fit: contain;
    flex-shrink: 0;
}

.op-timeline {
    position: relative;
    padding: var(--space-lg) 0;
}

.op-timeline::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: max(28px, calc(50% - var(--op-page-w) / 2 + 28px));
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.op-timeline .op-wrap {
    padding-left: 56px;
    padding-right: 24px;
}

.op-node {
    position: relative;
    padding: var(--space-xl) 0;
}

.op-node-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: max(10px, calc(50% - var(--op-page-w) / 2 + 10px));
    top: calc(var(--space-xl) + 0.15rem);
    width: 2.4rem;
    height: 2.4rem;
    margin: 0;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-size: 0.95rem;
    z-index: 1;
    box-shadow: 0 0 0 4px var(--color-bg);
}

.op-h2 {
    font-size: clamp(1.55rem, 2.5vw, 2.1rem);
    margin: 0 0 var(--space-md);
    padding-right: 0.5rem;
    overflow-wrap: anywhere;
}

.op-h3 {
    font-size: 1.25rem;
    margin: 0 0 var(--space-sm);
}

.op-app-badges {
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
    color: var(--color-text-light);
    margin: 0 0 var(--space-md);
}

.op-app-head {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.op-app-name { margin: 0 0 0.25rem; font-size: 1.55rem; }

.op-app-dev {
    margin: 0;
    color: var(--color-text-light);
    overflow-wrap: anywhere;
    font-size: 0.98rem;
}

.op-app-note {
    margin: var(--space-md) 0 var(--space-sm);
}

.op-app-checked {
    margin: 0 0 var(--space-md);
    font-weight: 700;
}

.op-card .op-btn {
    margin-top: 0.25rem;
}

.op-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--space-md) 0;
}

.op-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
    background: var(--color-surface);
}

.op-table th,
.op-table td {
    border: 1px solid var(--color-border);
    padding: 0.7rem 0.85rem;
    text-align: left;
    vertical-align: top;
}

.op-table th {
    background: #fff0f3;
    color: var(--color-ink);
    font-weight: 700;
    width: 28%;
}

.op-steps {
    margin: 0;
    padding-left: 1.2rem;
}

.op-steps li { margin-bottom: var(--space-sm); min-width: 0; }

.op-chips {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-sm);
}

.op-chips li {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    padding: 0.65rem 1rem;
    min-width: 0;
}

.op-chips span {
    display: inline-block;
    margin-right: 0.4rem;
    color: var(--color-accent);
    font-weight: 700;
}

.op-text-link {
    font-weight: 700;
    text-underline-offset: 3px;
}

.op-cta {
    background: linear-gradient(135deg, #ffe0e6, #ffd0dc);
    padding: var(--space-xl) 0;
    text-align: center;
}

.op-cta p { max-width: 52ch; margin: 0 auto var(--space-md); }

.op-cta a.op-btn-split,
.op-cta a.op-btn-split:visited { color: #fff; }

.op-page {
    padding: var(--space-xl) 0;
}

.op-prose {
    max-width: 760px;
}

.op-prose h2 { margin-top: var(--space-lg); }

.op-back {
    display: inline-block;
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.op-form {
    display: grid;
    gap: var(--space-md);
    max-width: 640px;
}

.op-form-spaced { margin-top: 2rem; }
.op-card-narrow { margin-top: 2rem; max-width: 640px; }

.op-form label { display: grid; gap: 0.35rem; font-weight: 700; }

.op-form input,
.op-form textarea,
.op-form select {
    width: 100%;
    min-height: 44px;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: inherit;
    background: #fff;
}

.op-form textarea { min-height: 140px; resize: vertical; }

.op-form-note { color: var(--color-text-light); font-size: 0.95rem; }

.op-footer {
    background: #3a2a30;
    color: #f7e9ec;
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-xl);
}

.op-footer a,
.op-footer a:visited { color: #ffd0dc; }

.op-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-lg);
}

.op-footer .op-h3 { color: #fff; }

.op-footer-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.op-footer-links li { margin-bottom: 0.4rem; }

.op-footer-link {
    background: none;
    border: 0;
    padding: 0;
    color: #ffd0dc;
    font: inherit;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.op-mini-faq dt { font-weight: 700; margin-top: 0.65rem; }
.op-mini-faq dd { margin: 0.2rem 0 0; color: #e8d0d6; }
.op-mini-faq-light dd { color: var(--color-text-light); }
.op-mini-faq-light dt { color: var(--color-ink); }

.op-footer-legal {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.95rem;
    color: #d8b8c0;
}

.op-cookie { display: none; }

.op-cookie:not([hidden]) {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    background: #fff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -8px 24px rgba(58, 42, 48, 0.12);
}

.op-cookie-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-md) 20px;
}

.op-cookie p { margin: 0; flex: 1; min-width: 0; }

.op-cookie-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.op-cookie .op-btn {
    box-shadow: none;
    min-height: 44px;
}

.op-cookie .op-btn-ghost { border-color: var(--color-ink); color: var(--color-ink); }

body.op-cookie-open { padding-bottom: 96px; }

.op-fade-ready { opacity: 0; transform: translateY(10px); }
.op-is-in { animation: op-k-wipe 0.55s ease both; }

@keyframes op-k-wipe {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .op-fade-ready,
    .op-is-in {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

@media (max-width: 1100px) {
    .op-nav { gap: 0.55rem; }
    .op-nav a { font-size: 0.92rem; }
}

@media (max-width: 1024px) {
    .op-nav { display: none; }
    .op-header-cta { display: none; }

    .op-header-row { justify-content: space-between; }

    .op-burger {
        display: block;
        width: 44px;
        height: 44px;
        margin-left: auto;
        border: 0;
        background: transparent;
        cursor: pointer;
        padding: 10px 8px;
    }

    .op-burger span {
        display: block;
        height: 2px;
        margin: 5px 0;
        background: var(--color-ink);
    }

    .op-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 200;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity .25s, visibility .25s;
    }

    .op-drawer {
        display: block;
        position: fixed;
        z-index: 210;
        background: var(--color-bg);
        overflow-y: auto;
        visibility: hidden;
        transition: transform .3s ease, opacity .3s ease, visibility .3s;
    }

    .op-drawer-top {
        top: var(--op-header-h);
        left: 0;
        right: 0;
        max-height: calc(100dvh - var(--op-header-h));
        padding: 56px 0 16px;
        transform: translateY(-16px);
        opacity: 0;
    }

    .op-drawer a {
        display: block;
        padding: 14px 20px;
        text-decoration: none;
        color: var(--color-ink);
    }

    .op-drawer .op-btn {
        margin: 12px 20px;
        width: calc(100% - 40px);
    }

    .op-drawer-close {
        position: absolute;
        top: 12px;
        right: 16px;
        width: 44px;
        height: 44px;
        border: 0;
        background: transparent;
        font-size: 1.8rem;
        line-height: 1;
        cursor: pointer;
        color: var(--color-ink);
    }

    body.nav-open { overflow: hidden; }
    body.nav-open .op-overlay { opacity: 1; visibility: visible; }
    body.nav-open .op-drawer-top {
        visibility: visible;
        transform: translateY(0);
        opacity: 1;
    }

    .op-timeline::before { left: 22px; }
    .op-timeline .op-wrap { padding-left: 48px; padding-right: 20px; }
    .op-node-mark { left: 4px; }
}

@media (max-width: 768px) {
    .op-logo img { width: 120px; }

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

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

    .op-card { padding: 1.35rem 1.1rem 1.75rem; }

    .op-timeline .op-wrap { padding-left: 44px; padding-right: 16px; }
    .op-timeline::before { left: 18px; }
    .op-node-mark {
        left: 2px;
        width: 2rem;
        height: 2rem;
        font-size: 0.85rem;
    }

    .op-app-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .op-footer-grid { grid-template-columns: 1fr; }

    .op-cookie:not([hidden]) {
        left: 12px;
        right: 12px;
        bottom: 12px;
        width: auto;
        border-radius: 10px;
        border: 1px solid var(--color-border);
    }

    .op-cookie-inner {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-md);
    }

    .op-cookie-actions { width: 100%; }
    .op-cookie .op-btn { flex: 1; min-height: 44px; }
}

@media (max-width: 520px) {
    .op-table { min-width: 420px; }
}