:root {
    --bg: #f4f9ff;
    --text: #10233f;
    --text-muted: #6d8098;
    --primary: #2d7ff9;
    --primary-strong: #1f5ed9;
    --primary-soft: #d9ebff;
    --line: #d6e7fb;
    --line-strong: #b7d4f8;
    --shadow: 0 16px 40px rgba(34, 91, 181, 0.08);
    --shadow-soft: 0 8px 22px rgba(24, 58, 117, 0.06);
}

@keyframes softFloat {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -5px, 0);
    }
}

@keyframes softDrift {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(10px, -10px, 0) scale(1.04);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at top left, rgba(189, 220, 255, 0.5), transparent 28%),
        linear-gradient(180deg, #fdfefe 0%, var(--bg) 48%, #f7fbff 100%);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Sora', sans-serif;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

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

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

.page-container {
    min-height: 100vh;
}

.container {
    width: min(1140px, calc(100% - 40px));
    margin: 0 auto;
}

.header {
    position: relative;
    padding: 28px 0 32px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
    padding: 10px 14px;
    border: 1px solid rgba(214, 231, 251, 0.9);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 14px rgba(24, 58, 117, 0.04);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    object-fit: cover;
    animation: softFloat 6.8s ease-in-out infinite;
}

.brand-name {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: wrap;
}

.top-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 10px;
    background: var(--primary);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 8px 18px rgba(45, 127, 249, 0.16);
}

.top-login:hover {
    background: var(--primary-strong);
}

.top-nav a {
    padding: 7px 10px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    transition: background-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.top-nav a:hover {
    background: rgba(217, 235, 255, 0.55);
    color: var(--primary-strong);
}

.header-content {
    display: block;
    padding: 30px 28px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 24px;
    background: #ffffff;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.header-content::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -60px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(223, 238, 255, 0.86);
    filter: blur(12px);
    animation: softDrift 12s ease-in-out infinite;
}

.header-content::after {
    content: '';
    position: absolute;
    left: 28px;
    bottom: 20px;
    width: 56px;
    height: 2px;
    border-radius: 999px;
    background: rgba(183, 212, 248, 0.9);
}

.hero-copy {
    position: relative;
    z-index: 1;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 12px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(217, 235, 255, 0.88);
    border: 1px solid rgba(183, 212, 248, 0.8);
    color: var(--primary-strong);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    animation: softFloat 8s ease-in-out infinite;
}

.site-title {
    max-width: 560px;
    font-size: clamp(2.6rem, 5.4vw, 4.6rem);
    line-height: 1.02;
    color: var(--text);
}

.site-description {
    max-width: 420px;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    padding: 11px 18px;
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 700;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

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

.hero-btn-primary {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 10px 22px rgba(45, 127, 249, 0.18);
}

.hero-btn-primary:hover {
    box-shadow: 0 14px 26px rgba(45, 127, 249, 0.22);
}

.hero-btn-secondary {
    color: var(--primary-strong);
    background: transparent;
    border: 1px solid rgba(214, 231, 251, 0.96);
    box-shadow: none;
}

.section-eyebrow,
.method-tag {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.section {
    padding: 28px 0 32px;
}

.section-soft .container {
    padding: 28px 24px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(235, 244, 255, 0.8) 0%, rgba(249, 252, 255, 0.92) 100%);
    box-shadow: var(--shadow-soft);
}

.section-heading {
    max-width: 640px;
    margin: 0 auto 18px;
    text-align: center;
}

.section-title {
    margin-top: 10px;
    font-size: clamp(1.55rem, 2.7vw, 2.3rem);
    line-height: 1.08;
    color: var(--text);
}

.section-subtitle {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.card {
    position: relative;
    display: grid;
    gap: 10px;
    padding: 20px 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid rgba(214, 231, 251, 0.96);
    box-shadow: var(--shadow-soft);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 6px;
    background: linear-gradient(90deg, #94c7ff 0%, var(--primary) 100%);
    transform: scaleX(0.22);
    transform-origin: left;
    transition: transform 0.24s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--line-strong);
    box-shadow: 0 22px 40px rgba(34, 91, 181, 0.14);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-title {
    font-size: 1.15rem;
    color: var(--text);
}

.card-copy {
    color: var(--text-muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

.card-status {
    width: fit-content;
    margin-top: 2px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
}

.card-status.active {
    color: var(--primary-strong);
    background: rgba(217, 235, 255, 0.9);
}

.card-status.coming-soon {
    color: #60748f;
    background: rgba(236, 242, 248, 0.95);
}

.card.disabled {
    opacity: 0.9;
    background: linear-gradient(180deg, rgba(252, 253, 255, 0.96) 0%, rgba(245, 248, 252, 0.98) 100%);
    cursor: not-allowed;
}

.card.disabled::before,
.card.disabled:hover::before {
    transform: scaleX(0.22);
}

.card.disabled:hover {
    transform: none;
    border-color: rgba(214, 231, 251, 0.96);
    box-shadow: var(--shadow-soft);
}

#methods-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.method-item {
    display: grid;
    gap: 12px;
    padding: 18px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(214, 231, 251, 0.96);
    box-shadow: var(--shadow-soft);
}

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

    .brand-logo,
    .header-content::before,
    .hero-badge {
        animation: none;
    }
}

.method-title {
    font-size: 1rem;
    color: var(--text);
}

.method-points {
    list-style: none;
    display: grid;
    gap: 10px;
}

.method-points li {
    position: relative;
    padding-left: 18px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.method-points li::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.sponsor-item {
    display: grid;
    gap: 14px;
}

.sponsor-img-container {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(214, 231, 251, 0.96);
    box-shadow: var(--shadow-soft);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.sponsor-img-container:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    box-shadow: 0 18px 34px rgba(34, 91, 181, 0.12);
}

.sponsor-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sponsor-label {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 800;
}

.footer {
    padding: 20px 0 40px;
}

.footer .container {
    padding: 22px 18px;
    text-align: center;
    border-radius: 18px;
    border: 1px solid rgba(214, 231, 251, 0.96);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 245, 255, 0.96) 100%);
    box-shadow: var(--shadow-soft);
}

.footer-title {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.footer-quote {
    margin-bottom: 10px;
    color: var(--primary-strong);
    font-size: 0.95rem;
    font-weight: 700;
}

.footer-credit {
    max-width: 460px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.loading {
    padding: 24px;
    text-align: center;
    color: var(--primary-strong);
    font-weight: 800;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px dashed var(--line-strong);
}

@media (max-width: 760px) {
    .container {
        width: min(100%, calc(100% - 24px));
    }

    .topbar {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 10px;
        border-radius: 14px;
    }

    .top-nav {
        width: calc(100% - 92px);
        gap: 0;
        justify-content: space-between;
    }

    .top-nav a {
        padding: 4px 0;
        background: transparent;
        border-radius: 0;
    }

    .top-login {
        padding: 7px 12px;
        font-size: 0.82rem;
    }

    .header-content {
        padding: 24px 20px;
        border-radius: 18px;
    }

    .brand-logo {
        width: 28px;
        height: 28px;
    }

    .brand-name {
        font-size: 1.05rem;
    }

    .site-title {
        font-size: clamp(2.1rem, 10vw, 3rem);
    }

    .hero-actions,
    .cards-grid,
    #methods-container,
    .sponsor-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        width: 100%;
        display: grid;
    }

    .hero-btn {
        width: 100%;
    }

    .section {
        padding: 24px 0 26px;
    }

    .section-soft .container {
        padding: 22px 16px;
        border-radius: 18px;
    }

    .card,
    .method-item {
        border-radius: 16px;
    }
}