:root {
    --blue: #02193A;
    --blue-strong: #02193A;
    --blue-soft: #eaf3ff;
    --ink: #07111f;
    --muted: #5d6878;
    --line: #d9e3f0;
    --surface: #ffffff;
    --surface-alt: #f5f8fc;
    --success: #0b7f58;
    --warning: #b45309;
    --error: #b91c1c;
    --shadow: 0 20px 60px rgba(7, 17, 31, 0.12);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--surface-alt);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

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

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    padding: 10px clamp(18px, 4vw, 56px);
    border-bottom: 1px solid rgba(217, 227, 240, 0.85);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    width: 218px;
    height: 58px;
    overflow: hidden;
}

.brand-lockup img {
    width: 100%;
    height: auto;
    transform: scale(1.08);
    transform-origin: left center;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-nav a {
    min-width: 84px;
    padding: 10px 14px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--muted);
    font-size: 14px;
    font-weight: 750;
    text-align: center;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    border-color: var(--line);
    color: var(--ink);
    outline: none;
    background: var(--surface);
}

.registration-hero {
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(420px, 1.18fr) minmax(280px, 0.78fr);
    gap: clamp(18px, 2vw, 28px);
    align-items: start;
    max-width: 1540px;
    margin: 0 auto;
    padding: clamp(20px, 4vw, 54px);
}

.program-panel,
.form-panel,
.visual-panel,
.confirmation-card,
.admin-card,
.admin-table-wrap {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.program-panel {
    position: sticky;
    top: 102px;
    padding: clamp(22px, 3vw, 34px);
    overflow: hidden;
}

.program-panel::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 7px;
    background: linear-gradient(90deg, var(--blue), #0ba7d5, var(--ink));
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    font-size: 48px;
    line-height: 1;
    font-weight: 900;
}

.hero-copy {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 16px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 28px 0;
}

.hero-stats div,
.offer-band,
.review-panel,
.receipt-box {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fbfdff;
}

.hero-stats div {
    min-height: 94px;
    padding: 16px;
}

.hero-stats span,
.offer-band span,
.receipt-box span,
.metric span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-stats strong {
    display: block;
    margin-top: 8px;
    color: var(--ink);
    font-size: 18px;
    line-height: 1.2;
}

.offer-band {
    display: grid;
    gap: 12px;
    padding: 18px;
    border-color: rgba(7, 93, 204, 0.35);
    background: var(--blue-soft);
}

.offer-band strong {
    display: block;
    margin-top: 4px;
    color: var(--blue);
    font-size: 42px;
    line-height: 1;
}

.offer-band p {
    margin: 0;
    color: var(--ink);
    font-weight: 800;
}

.form-panel {
    min-width: 0;
    padding: clamp(20px, 3vw, 34px);
}

.form-heading {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
}

.form-heading h2,
.details-band h2,
.confirmation-card h1 {
    margin: 0;
    font-size: 30px;
    line-height: 1.1;
}

.form-heading p:not(.eyebrow) {
    margin: 0;
    color: var(--muted);
}

.stepper {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 24px;
    padding: 0;
    list-style: none;
}

.stepper button {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-alt);
    color: var(--muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 850;
}

.stepper .is-active button {
    border-color: var(--blue);
    background: var(--blue);
    color: #ffffff;
}

.stepper .is-complete button {
    border-color: rgba(11, 127, 88, 0.35);
    background: #e8f7f0;
    color: var(--success);
}

.hidden-field,
.form-step {
    display: none;
}

.form-step.is-active {
    display: block;
}

fieldset {
    margin: 0;
    padding: 0;
    border: 0;
}

legend {
    margin-bottom: 18px;
    font-size: 18px;
    font-weight: 900;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field {
    display: grid;
    gap: 7px;
    min-width: 0;
}

.field.full {
    grid-column: 1 / -1;
}

label,
.field-label {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
}

input,
select,
textarea {
    width: 100%;
    min-height: 48px;
    border: 1px solid #cbd7e6;
    border-radius: var(--radius);
    background: #ffffff;
    color: var(--ink);
    padding: 12px 13px;
    outline: none;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea {
    min-height: 116px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(7, 93, 204, 0.13);
}

input.has-error,
select.has-error,
textarea.has-error {
    border-color: var(--error);
    box-shadow: 0 0 0 4px rgba(185, 28, 28, 0.09);
}

small {
    min-height: 18px;
    color: var(--error);
    font-size: 12px;
    font-weight: 700;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.check-grid label,
.consent-stack label {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    min-height: 48px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fbfdff;
    cursor: pointer;
}

.check-grid input,
.consent-stack input {
    width: 18px;
    height: 18px;
    min-height: auto;
    margin-top: 2px;
    accent-color: var(--blue);
}

.check-grid span,
.consent-stack span {
    color: var(--ink);
    font-size: 13px;
    font-weight: 750;
}

.review-panel {
    margin-top: 20px;
    padding: 18px;
}

.review-panel h3 {
    margin: 0 0 14px;
    font-size: 17px;
}

.review-panel dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
}

.review-panel div {
    min-width: 0;
}

.review-panel dt {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.review-panel dd {
    margin: 3px 0 0;
    font-weight: 850;
}

.consent-stack {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.form-status {
    min-height: 26px;
    margin: 18px 0 0;
    color: var(--warning);
    font-size: 14px;
    font-weight: 800;
}

.form-actions,
.confirmation-actions,
.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    min-width: 150px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 12px 18px;
    cursor: pointer;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
}

.button-primary {
    background: var(--blue);
    color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--blue-strong);
}

.button-secondary {
    border-color: var(--line);
    background: #ffffff;
    color: var(--ink);
}

.button:disabled {
    cursor: progress;
    opacity: 0.72;
}

.visual-panel {
    position: sticky;
    top: 102px;
    display: grid;
    gap: 14px;
    padding: 14px;
    background: #eef5ff;
}

.flyer-image {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid rgba(7, 93, 204, 0.18);
}

.photo-rail {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.photo-rail img {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius);
    object-fit: cover;
}

.details-band {
    display: grid;
    grid-template-columns: minmax(260px, 0.62fr) minmax(320px, 1fr);
    gap: clamp(20px, 4vw, 60px);
    align-items: start;
    max-width: 1380px;
    margin: 0 auto;
    padding: clamp(30px, 5vw, 70px) clamp(20px, 4vw, 54px);
}

.curriculum-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.curriculum-list li {
    min-height: 58px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    font-weight: 800;
}

.photo-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr 0.85fr 1.15fr;
    gap: 10px;
    max-width: 1540px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 54px) clamp(30px, 5vw, 70px);
}

.photo-grid img {
    width: 100%;
    height: 260px;
    border-radius: var(--radius);
    object-fit: cover;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    padding: 24px;
    background: var(--ink);
    color: #ffffff;
    font-weight: 750;
}

.site-footer a {
    text-decoration: none;
}

.confirmation-page,
.admin-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #ffffff, var(--surface-alt));
}

.confirmation-shell,
.admin-shell {
    display: grid;
    gap: 24px;
    width: min(1060px, calc(100% - 40px));
    margin: 0 auto;
    padding: 34px 0;
}

.confirmation-card {
    display: grid;
    gap: 16px;
    max-width: 720px;
    padding: clamp(24px, 4vw, 44px);
}

.confirmation-card p {
    margin: 0;
    color: var(--muted);
}

.receipt-box {
    display: grid;
    gap: 6px;
    padding: 18px;
}

.receipt-box strong {
    color: var(--blue);
    font-size: 26px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.admin-card {
    padding: 24px;
}

.admin-login {
    display: grid;
    gap: 14px;
    max-width: 460px;
}

.admin-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 18px;
}

.metric {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.metric strong {
    display: block;
    margin-top: 8px;
    font-size: 28px;
}

.admin-table-wrap {
    overflow: auto;
    box-shadow: none;
}

.admin-table {
    width: 100%;
    min-width: 960px;
    border-collapse: collapse;
    background: var(--surface);
}

.admin-table th,
.admin-table td {
    padding: 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    background: var(--blue-soft);
    color: var(--ink);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.admin-table td {
    color: var(--muted);
    font-size: 14px;
}

.admin-table strong {
    color: var(--ink);
}

.alert {
    padding: 12px 14px;
    border: 1px solid rgba(185, 28, 28, 0.25);
    border-radius: var(--radius);
    background: #fff3f3;
    color: var(--error);
    font-weight: 800;
}

@media (max-width: 1240px) {
    .registration-hero {
        grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1.2fr);
    }

    .visual-panel {
        position: static;
        grid-column: 1 / -1;
        grid-template-columns: 280px minmax(0, 1fr);
        align-items: center;
    }

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

@media (max-width: 900px) {
    .site-header {
        position: static;
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        width: 100%;
    }

    .site-nav a {
        flex: 1;
        min-width: 0;
    }

    .registration-hero,
    .details-band {
        grid-template-columns: 1fr;
    }

    .program-panel,
    .visual-panel {
        position: static;
    }

    .visual-panel {
        grid-template-columns: 1fr;
    }

    .flyer-image {
        max-height: 720px;
        object-fit: contain;
        background: #ffffff;
    }

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

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

@media (max-width: 640px) {
    .brand-lockup {
        width: 184px;
        height: 48px;
    }

    .registration-hero {
        padding: 16px;
    }

    h1 {
        font-size: 36px;
    }

    .hero-stats,
    .field-grid,
    .check-grid,
    .review-panel dl,
    .curriculum-list {
        grid-template-columns: 1fr;
    }

    .stepper {
        gap: 6px;
    }

    .stepper button {
        min-height: 44px;
        padding: 8px;
        font-size: 12px;
    }

    .form-actions .button,
    .confirmation-actions .button,
    .admin-actions .button {
        width: 100%;
    }

    .photo-grid {
        grid-template-columns: 1fr;
    }

    .photo-grid img {
        height: 220px;
    }

    .site-footer {
        align-items: center;
        flex-direction: column;
    }
}