:root {
    color-scheme: dark;
    --bg: #03060d;
    --bg-strong: #02040a;
    --panel: rgba(8, 17, 31, 0.68);
    --panel-strong: rgba(13, 25, 44, 0.76);
    --border: rgba(102, 222, 255, 0.16);
    --text: #eef7ff;
    --muted: #96a8c7;
    --accent: #59e6ff;
    --accent-strong: #8d7bff;
    --danger: #ff6f8f;
    --success: #50f1b4;
    --warning: #ffc86f;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
    --glow: 0 0 40px rgba(89, 230, 255, 0.18);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Poppins", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 12%, rgba(89, 230, 255, 0.12), transparent 22%),
        radial-gradient(circle at 78% 18%, rgba(141, 123, 255, 0.14), transparent 18%),
        radial-gradient(circle at 50% 100%, rgba(89, 230, 255, 0.08), transparent 26%),
        linear-gradient(180deg, var(--bg-strong), var(--bg));
}

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

.site-shell {
    width: min(1080px, calc(100% - 44px));
    margin: 0 auto;
    padding: 28px 0 60px;
}

.topbar,
.panel,
.hero,
.stat-card,
.action-card,
.feature-card,
.plan-card,
.usage-banner,
.response-panel,
.flash {
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(10, 18, 33, 0.88), rgba(6, 13, 25, 0.7));
    backdrop-filter: blur(22px);
    box-shadow: var(--shadow);
}

.topbar {
    border-radius: 26px;
    padding: 16px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    position: sticky;
    top: 14px;
    z-index: 20;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: "Orbitron", "Poppins", sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: #f4f8ff;
    text-shadow: 0 0 18px rgba(89, 230, 255, 0.18);
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2dd4ff, #6366f1);
    box-shadow: 0 18px 40px rgba(45, 212, 255, 0.28);
}

.auth-shell {
    min-height: calc(100vh - 180px);
    display: grid;
    place-items: center;
}

.auth-panel {
    width: min(720px, 100%);
    border: 1px solid var(--border);
    border-radius: 34px;
    padding: 36px;
    background: linear-gradient(180deg, rgba(10, 18, 33, 0.92), rgba(6, 13, 25, 0.78));
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow);
}

.auth-copy {
    max-width: 44rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.auth-meta {
    margin: 18px 0 0;
    color: var(--muted);
}

.auth-meta a {
    color: var(--accent);
}

.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.topnav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.topnav a {
    color: #d5deef;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(89, 230, 255, 0.16);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 10px 26px rgba(89, 230, 255, 0.08);
    transition: color 180ms ease, text-shadow 180ms ease;
}

.topnav a:hover {
    color: var(--text);
    text-shadow: 0 0 18px rgba(89, 230, 255, 0.14);
    background: linear-gradient(90deg, rgba(89, 230, 255, 0.92), rgba(141, 123, 255, 0.86));
    border-color: transparent;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.18),
        0 18px 60px rgba(89, 230, 255, 0.28);
    color: #02040a;
}

.content-shell {
    display: grid;
    gap: 34px;
}

.hero,
.panel,
.response-panel,
.usage-banner {
    border-radius: 32px;
    padding: 28px;
}

.hero h1,
.panel h1,
.panel h2,
.response-panel h2 {
    margin-top: 0;
    font-family: "Orbitron", "Poppins", sans-serif;
    letter-spacing: 0.02em;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.76rem;
}

.hero-copy,
.muted,
label span,
.helper {
    color: var(--muted);
}

.section-copy {
    max-width: 58rem;
}

.cta-row,
.button-row,
.grid-2,
.grid-3,
.stats-grid {
    display: grid;
    gap: 16px;
}

.cta-row {
    grid-template-columns: repeat(auto-fit, minmax(180px, max-content));
}

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

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

.panel form,
.action-form {
    display: grid;
    gap: 16px;
}

label {
    display: grid;
    gap: 8px;
}

input,
select,
textarea {
    width: 100%;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(4, 10, 19, 0.84);
    color: var(--text);
    padding: 14px 16px;
    font: inherit;
}

textarea {
    min-height: 180px;
    resize: vertical;
}

.button,
button {
    border: 1px solid rgba(89, 230, 255, 0.28);
    background: linear-gradient(135deg, rgba(89, 230, 255, 0.12), rgba(141, 123, 255, 0.16));
    color: var(--text);
    padding: 14px 20px;
    border-radius: 999px;
    cursor: pointer;
    font: inherit;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover,
button:hover {
    transform: translateY(-1px) scale(1.01);
    box-shadow: var(--glow);
    border-color: rgba(89, 230, 255, 0.4);
}

.button.secondary {
    background: rgba(255, 255, 255, 0.02);
}

.button-glow {
    box-shadow: var(--glow);
}

.stats-grid {
    margin-top: 6px;
}

.stat-card,
.action-card,
.feature-card,
.plan-card {
    border-radius: 28px;
    padding: 24px;
}

.metric {
    font-family: "Orbitron", "Poppins", sans-serif;
    font-size: 1.8rem;
    color: var(--accent);
}

.hero-2030 {
    position: relative;
    overflow: hidden;
    min-height: 34vh;
    display: flex;
    align-items: center;
    border: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 18%, rgba(34, 211, 238, 0.22), transparent 24%),
        radial-gradient(circle at 82% 12%, rgba(99, 102, 241, 0.26), transparent 22%),
        radial-gradient(circle at 50% 100%, rgba(20, 184, 166, 0.16), transparent 28%),
        radial-gradient(circle at top, rgba(8, 15, 40, 0.72) 0%, rgba(0, 0, 0, 0.9) 62%),
        linear-gradient(135deg, rgba(6, 182, 212, 0.14), rgba(99, 102, 241, 0.16));
    border-radius: 34px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.82), rgba(30, 27, 75, 0.48), rgba(8, 47, 73, 0.52));
    border-radius: 34px;
}

.hero-panel {
    position: relative;
    z-index: 1;
    width: min(760px, 100%);
    margin: 0 auto;
    padding: 34px 36px;
    border-radius: 28px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04)),
        rgba(2,6,23,0.58);
    backdrop-filter: blur(28px) saturate(170%);
    -webkit-backdrop-filter: blur(28px) saturate(170%);
    border: 1px solid rgba(255,255,255,0.22);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        inset 0 -1px 0 rgba(255,255,255,0.05),
        0 40px 120px rgba(0,0,0,0.75),
        0 0 0 1px rgba(255,255,255,0.05);
}

.hero-panel h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1.06;
    margin-bottom: 14px;
}

.hero-copy {
    font-size: 1.02rem;
    line-height: 1.7;
    max-width: 40rem;
}

.hero-update {
    display: inline-block;
    margin-top: 18px;
    padding: 12px 16px;
    border-radius: 16px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.4);
    color: #b8f5ff;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(34,211,238,0.2);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
}

.button-solid {
    background: linear-gradient(90deg,#22d3ee,#06b6d4);
    color: #000;
    font-weight: 800;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.18),
        0 18px 60px rgba(34,211,238,0.45);
}

.section-block {
    padding-top: 6px;
}

.centered-block .eyebrow,
.centered-block .section-title,
.centered-block .section-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin: 0 0 18px;
    font-family: "Orbitron", "Poppins", sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    letter-spacing: 0.01em;
}

.section-subtitle {
    margin: -4px 0 24px;
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 42rem;
}

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

.feature-card {
    min-height: 170px;
    border-radius: 24px;
    padding: 24px;
}

.feature-card-cyan,
.feature-card-indigo,
.feature-card-teal {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.04)),
        rgba(2,6,23,0.55);
    backdrop-filter: blur(28px) saturate(170%);
    -webkit-backdrop-filter: blur(28px) saturate(170%);
    border: 1px solid rgba(255,255,255,0.22);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        inset 0 -1px 0 rgba(255,255,255,0.05),
        0 40px 120px rgba(0,0,0,0.4),
        0 0 0 1px rgba(255,255,255,0.05);
}

.feature-card-cyan:hover {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.28),
        0 60px 160px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.08);
    background:
        linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04)),
        rgba(2,6,23,0.55);
}

.feature-card-indigo:hover {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.28),
        0 60px 160px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.08);
    background:
        linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04)),
        rgba(35, 22, 73, 0.45);
}

.feature-card-teal:hover {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.28),
        0 60px 160px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.08);
    background:
        linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04)),
        rgba(7, 55, 64, 0.42);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin: 10px 0 12px;
}

.pricing-block {
    padding-top: 12px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.plan-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-content: start;
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    padding: 28px 22px;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
        rgba(36, 41, 58, 0.82);
    backdrop-filter: blur(28px) saturate(170%);
    -webkit-backdrop-filter: blur(28px) saturate(170%);
    border: 1px solid rgba(255,255,255,0.22);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        inset 0 -1px 0 rgba(255,255,255,0.05),
        0 26px 80px rgba(0,0,0,0.42),
        0 0 0 1px rgba(255,255,255,0.05);
}

.plan-card-cyan {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        0 24px 60px rgba(34, 211, 238, 0.08),
        0 0 0 1px rgba(34, 211, 238, 0.06);
}

.plan-card-indigo {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        0 24px 60px rgba(99, 102, 241, 0.1),
        0 0 0 1px rgba(99, 102, 241, 0.08);
}

.plan-card-teal {
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        0 24px 60px rgba(20, 184, 166, 0.08),
        0 0 0 1px rgba(20, 184, 166, 0.07);
}

.plan-card-featured {
    border: 1px solid rgba(34,211,238,0.55);
    box-shadow:
        0 0 0 1px rgba(34,211,238,0.2),
        0 30px 90px rgba(34,211,238,0.16),
        inset 0 1px 0 rgba(255,255,255,0.22);
}

.plan-badge {
    display: inline-block;
    align-self: flex-start;
    background: linear-gradient(90deg,#22d3ee,#6366f1);
    color: #000;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 6px;
}

.plan-card h3 {
    margin: 0;
    color: #f7fbff;
    font-size: 0.98rem;
    padding: 0;
    border: 0;
    background: transparent;
    align-self: auto;
    min-width: 0;
}

.plan-headline {
    margin: 6px 0 0;
    font-family: "Poppins", sans-serif;
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--text);
}

.plan-price {
    margin: 6px 0 0;
    font-family: "Orbitron", "Poppins", sans-serif;
    font-size: 2rem;
    color: var(--text);
}

.plan-price span {
    font-family: "Poppins", sans-serif;
    font-size: 1rem;
    color: var(--muted);
    margin-left: 8px;
}

.plan-subcopy {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.plan-points {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 7px;
    color: var(--text);
    flex: 1;
    line-height: 1.5;
}

.plan-note {
    margin: 0;
    color: var(--muted);
}

.pricing-block .paypal-form .button {
    width: 100%;
    justify-content: center;
    font-weight: 800;
    border-radius: 14px;
    background: #34d6f7;
    color: #041018;
    border-color: rgba(52, 214, 247, 0.7);
    box-shadow: none;
    padding: 13px 18px;
}

.pricing-block .paypal-form .button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(52, 214, 247, 0.22);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.testimonial-card {
    border-radius: 24px;
    padding: 24px;
    min-height: 190px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0.03)),
        rgba(2,6,23,0.52);
    border: 1px solid rgba(255,255,255,0.16);
    box-shadow: 0 24px 80px rgba(0,0,0,0.38);
    backdrop-filter: blur(18px);
}

.testimonial-card h3 {
    margin: 0 0 14px;
    font-size: 1.1rem;
}

.testimonial-card p {
    margin: 0;
    color: var(--text);
    line-height: 1.7;
}

.testimonial-aqua h3 { color: #7efcff; }
.testimonial-purple h3 { color: #c3a6ff; }
.testimonial-cyan h3 { color: #72e1ff; }
.testimonial-teal h3 { color: #79ffd9; }

.flash {
    border-radius: 18px;
    padding: 14px 18px;
}

.flash-success {
    border-color: rgba(80, 241, 180, 0.34);
}

.flash-error {
    border-color: rgba(255, 111, 143, 0.34);
}

.flash-warning {
    border-color: rgba(255, 200, 111, 0.34);
}

.usage-banner.warning {
    border-color: rgba(255, 200, 111, 0.35);
}

.usage-banner.danger {
    border-color: rgba(255, 111, 143, 0.4);
}

.response-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.response-panel pre,
.code-block {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow: auto;
    max-height: 460px;
    color: #dbe9ff;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 8px;
    vertical-align: top;
}

.pill {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--accent);
}

@media (max-width: 980px) {
    .grid-2,
    .grid-3,
    .stats-grid,
    .response-grid,
    .plan-grid,
    .feature-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .site-shell {
        width: min(100% - 18px, 1240px);
    }

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

    .hero,
    .panel,
    .response-panel,
    .usage-banner {
        padding: 24px;
    }

    .hero-panel {
        margin: 0;
        width: 100%;
        padding: 28px;
    }

    .topnav {
        gap: 10px;
    }

    .topnav a {
        padding: 8px 14px;
    }
}