:root {
    --navy-950: #071a2f;
    --navy-900: #0a2540;
    --navy-800: #103357;
    --blue-700: #2f49d6;
    --blue-600: #4f6ef7;
    --blue-500: #6b86ff;
    --blue-100: #e7ecff;
    --blue-50: #f3f6ff;
    --amber-500: #f59e0b;
    --amber-600: #d97706;
    --ink-900: #0f172a;
    --ink-700: #334155;
    --ink-500: #64748b;
    --ink-300: #cbd5e1;
    --line: #e6ebf3;
    --white: #ffffff;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --shadow-sm: 0 1px 2px rgba(10, 37, 64, .06), 0 1px 3px rgba(10, 37, 64, .08);
    --shadow-md: 0 10px 30px -12px rgba(10, 37, 64, .22);
    --shadow-lg: 0 30px 60px -25px rgba(10, 37, 64, .35);
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --max: 1180px;
    --font: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.front {
    margin: 0;
    font-family: var(--font);
    color: var(--ink-700);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.front h1,
body.front h2,
body.front h3,
body.front h4 {
    color: var(--navy-900);
    line-height: 1.2;
    margin: 0 0 .5em;
    letter-spacing: -.02em;
}

body.front a {
    color: var(--blue-600);
    text-decoration: none;
}

a {
    text-decoration: none;
}

body.front img {
    max-width: 100%;
}

.wrap {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Navbar ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

.nav.is-scrolled {
    border-color: var(--line);
    box-shadow: var(--shadow-sm);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    color: var(--navy-900);
    font-size: 1.12rem;
    letter-spacing: -.02em;
}

.brand__mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
    color: #fff;
    font-weight: 800;
    box-shadow: 0 10px 20px -9px rgba(29, 78, 216, .95);
    flex: 0 0 auto;
    transition: transform .18s ease, box-shadow .18s ease;
}

.brand__mark svg {
    width: 22px;
    height: 22px;
}

.brand:hover .brand__mark {
    transform: translateY(-1px);
}

.brand small {
    display: block;
    font-size: .68rem;
    font-weight: 600;
    color: var(--ink-500);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__links a {
    color: var(--ink-700);
    font-weight: 600;
    font-size: .93rem;
    transition: color .2s ease;
}

.nav__links a:hover {
    color: var(--blue-600);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
}

.nav__toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--navy-900);
    border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-family: inherit;
    font-size: .93rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    white-space: nowrap;
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    color: #fff;
    box-shadow: 0 12px 24px -12px rgba(29, 78, 216, .85);
}

.btn--primary:hover {
    box-shadow: 0 16px 28px -12px rgba(29, 78, 216, .95);
}

.btn--amber {
    background: linear-gradient(135deg, var(--amber-600), var(--amber-500));
    color: #fff;
    box-shadow: 0 12px 24px -12px rgba(217, 119, 6, .8);
}

.btn--ghost {
    background: #fff;
    border-color: var(--line);
    color: var(--navy-900);
}

.btn--ghost:hover {
    border-color: var(--blue-500);
    color: var(--blue-600);
}

.btn--light {
    background: #ffffff;
    border-color: var(--line);
    color: var(--navy-900);
    box-shadow: var(--shadow-sm);
}

.btn--light:hover {
    border-color: var(--blue-500);
    color: var(--blue-700);
}

.btn--block {
    width: 100%;
}

.btn--lg {
    padding: 15px 28px;
    font-size: 1rem;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    color: var(--ink-700);
    background: radial-gradient(900px 480px at 8% -10%, rgba(79, 110, 247, .18) 0%, transparent 58%),
        radial-gradient(820px 460px at 100% 0%, rgba(34, 193, 195, .16) 0%, transparent 55%),
        linear-gradient(180deg, #f4f8ff 0%, #eaf1ff 100%);
    padding: 96px 0 110px;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(79, 110, 247, .10) 1px, transparent 1px);
    background-size: 26px 26px;
    opacity: .5;
    pointer-events: none;
}

.hero__grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid var(--blue-100);
    color: var(--blue-700);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 4px rgba(74, 222, 128, .22);
}

.hero h1 {
    color: var(--navy-900);
    font-size: clamp(2.1rem, 4.2vw, 3.35rem);
    margin: 20px 0 18px;
    font-weight: 800;
}

.hero h1 span {
    background: linear-gradient(100deg, var(--blue-600), var(--blue-700));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p.lead {
    font-size: 1.08rem;
    color: var(--ink-500);
    max-width: 540px;
    margin: 0 0 30px;
}

.flow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 8px;
    margin-bottom: 34px;
}

.flow__step {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid var(--line);
    color: var(--ink-700);
    font-weight: 700;
    font-size: .88rem;
    box-shadow: var(--shadow-sm);
}

.flow__num {
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--blue-600);
    color: #fff;
    font-size: .72rem;
}

.flow__arrow {
    color: var(--ink-300);
    font-weight: 700;
}

.hero__stats {
    display: flex;
    gap: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
}

.hero__stats b {
    display: block;
    color: var(--navy-900);
    font-size: 1.5rem;
    font-weight: 800;
}

.hero__stats span {
    font-size: .82rem;
    color: var(--ink-500);
    letter-spacing: .02em;
}

/* ---------- Auth card in hero ---------- */
.auth-card {
    background: rgba(255, 255, 255, .98);
    border-radius: var(--radius-lg);
    padding: 34px 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, .6);
}

.auth-card h3 {
    font-size: 1.28rem;
    margin-bottom: 4px;
}

.auth-card p.muted {
    margin: 0 0 22px;
    color: var(--ink-500);
    font-size: .9rem;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: .82rem;
    font-weight: 700;
    color: var(--ink-700);
    margin-bottom: 7px;
}

.field .control {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    background: var(--blue-50);
    border-radius: 12px;
    padding: 0 14px;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.field .control:focus-within {
    border-color: var(--blue-500);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(47, 107, 255, .14);
}

.field .control svg {
    flex: 0 0 auto;
    color: var(--ink-500);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    padding: 13px 0;
    font-family: inherit;
    font-size: .95rem;
    color: var(--ink-900);
}

.field select {
    cursor: pointer;
}

.field .control > select {
    padding: 13px 0;
}

.field--plain input,
.field--plain select {
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 12px;
    padding: 12px 14px;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.field--plain input:focus,
.field--plain select:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 4px rgba(47, 107, 255, .14);
}

.field .hint {
    font-size: .76rem;
    color: var(--ink-500);
    margin-top: 6px;
}

.is-invalid {
    border-color: #ef4444 !important;
}

.invalid-feedback {
    color: #dc2626;
    font-size: .78rem;
    margin-top: 6px;
}

.form-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.auth-card .btn--primary {
    margin-top: 6px;
}

.auth-card .alt {
    text-align: center;
    margin-top: 18px;
    font-size: .87rem;
    color: var(--ink-500);
}

.demo-box {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--blue-50);
    border: 1px dashed #bcd0f5;
    font-size: .82rem;
    color: var(--ink-700);
}

.demo-box b {
    color: var(--navy-900);
}

.demo-box code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 1px 7px;
    color: var(--blue-700);
}

/* ---------- Sections ---------- */
.section {
    padding: 84px 0;
}

.section--soft {
    background: linear-gradient(180deg, var(--blue-50), #fff);
}

.section__head {
    max-width: 620px;
    margin: 0 auto 46px;
    text-align: center;
}

.section__head .kicker {
    display: inline-block;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue-600);
    margin-bottom: 10px;
}

.section__head h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 12px;
}

.section__head p {
    color: var(--ink-500);
    margin: 0;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 24px;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.feature:hover {
    transform: translateY(-4px);
    border-color: #cfdcf7;
    box-shadow: var(--shadow-md);
}

.feature__icon {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--blue-100);
    color: var(--blue-600);
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 1.08rem;
    margin-bottom: 8px;
}

.feature p {
    margin: 0;
    font-size: .92rem;
    color: var(--ink-500);
}

/* ---------- Winners table ---------- */
.panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.panel__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}

.panel__bar h3 {
    margin: 0;
    font-size: 1.15rem;
}

.panel__bar p {
    margin: 2px 0 0;
    font-size: .85rem;
    color: var(--ink-500);
}

.search {
    display: flex;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--line);
    background: var(--blue-50);
    border-radius: 999px;
    padding: 9px 16px;
    min-width: 260px;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.search:focus-within {
    background: #fff;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 4px rgba(47, 107, 255, .14);
}

.search svg {
    color: var(--ink-500);
}

.search input {
    border: 0;
    outline: 0;
    background: transparent;
    font-family: inherit;
    font-size: .9rem;
    width: 100%;
}

.table-scroll {
    overflow-x: auto;
}

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: .92rem;
}

table.data thead th {
    text-align: left;
    padding: 15px 26px;
    background: var(--navy-900);
    color: #dbe7ff;
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    white-space: nowrap;
}

table.data tbody td {
    padding: 16px 26px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-700);
    text-transform: capitalize;
}

table.data tbody tr:last-child td {
    border-bottom: 0;
}

table.data tbody tr {
    transition: background .15s ease;
}

table.data tbody tr:hover {
    background: var(--blue-50);
}

table.data tbody td:first-child {
    font-weight: 700;
    color: var(--navy-900);
    text-transform: none;
    white-space: nowrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: .74rem;
    font-weight: 700;
    background: var(--success-bg);
    color: #15803d;
}

.empty {
    padding: 46px 26px;
    text-align: center;
    color: var(--ink-500);
}

.empty b {
    display: block;
    color: var(--navy-900);
    font-size: 1rem;
    margin-bottom: 4px;
}

/* ---------- CTA ---------- */
.cta {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    padding: 52px 44px;
    color: var(--ink-700);
    background: linear-gradient(135deg, #eef4ff, #dfeaff);
    border: 1px solid #e0e8f7;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
}

.cta h2 {
    color: var(--navy-900);
    margin: 0 0 8px;
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}

.cta p {
    margin: 0;
    color: var(--ink-500);
    max-width: 560px;
}

/* ---------- Footer ---------- */
.footer {
    background: #f4f7ff;
    border-top: 1px solid var(--line);
    color: var(--ink-500);
    padding: 54px 0 30px;
    margin-top: 0;
}

.footer p {
    color: var(--ink-500);
}

.footer__grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--line);
}

.footer .brand {
    color: var(--navy-900);
}

.footer .brand small {
    color: var(--ink-500);
}

.footer__links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer__col h4 {
    color: var(--navy-900);
    font-size: .82rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.footer__col a {
    display: block;
    color: var(--ink-700);
    font-size: .9rem;
    margin-bottom: 9px;
    transition: color .18s ease;
}

.footer__col a:hover {
    color: var(--blue-700);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 22px;
    font-size: .84rem;
    color: var(--ink-500);
}

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 18px;
    overflow-y: auto;
    background: rgba(7, 26, 47, .55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal.is-open {
    display: flex;
    animation: fadeIn .2s ease;
}

.modal__dialog {
    width: 100%;
    max-width: 680px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: popIn .24s cubic-bezier(.22, 1, .36, 1);
}

.modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    border-bottom: 1px solid var(--line);
}

.modal__head h3 {
    margin: 0;
    font-size: 1.18rem;
}

.modal__close {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink-500);
    font-size: 1.2rem;
    cursor: pointer;
    transition: background .18s ease, color .18s ease;
}

.modal__close:hover {
    background: #f8fafc;
    color: var(--navy-900);
}

.modal__body {
    padding: 26px;
}

.modal__foot {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 18px 26px;
    border-top: 1px solid var(--line);
}

.level-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.level-list li {
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--blue-50);
    font-size: .9rem;
}

.level-list b {
    color: var(--navy-900);
}

/* ---------- Auth page (login) ---------- */
body.auth {
    min-height: 100vh;
    margin: 0;
    font-family: var(--font);
    color: var(--ink-700);
    background:
        radial-gradient(760px 520px at 10% -12%, #dde8ff 0%, transparent 60%),
        radial-gradient(680px 520px at 100% 0%, #e6f0ff 0%, transparent 58%),
        var(--blue-50);
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.login-card {
    width: 100%;
    max-width: 462px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 26px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.login-card__head {
    position: relative;
    overflow: hidden;
    padding: 30px 32px 28px;
    color: var(--ink-700);
    background: radial-gradient(520px 280px at 110% -30%, rgba(79, 110, 247, .22) 0%, transparent 62%),
        linear-gradient(150deg, #eef4ff, #dfeaff);
}

.login-card__head::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(79, 110, 247, .10) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: .5;
}

.login-card__head > * {
    position: relative;
    z-index: 2;
}

.login-card__head .brand {
    color: var(--navy-900);
}

.login-card__head .brand small {
    color: var(--ink-500);
}

.login-card__head h2 {
    color: var(--navy-900);
    font-size: 1.32rem;
    margin: 20px 0 6px;
}

.login-card__head p {
    margin: 0;
    color: var(--ink-500);
    font-size: .9rem;
}

.login-card__body {
    padding: 30px 32px 26px;
}

.login-card__body h1 {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.login-card__body p.sub {
    color: var(--ink-500);
    margin: 0 0 24px;
    font-size: .93rem;
}

.login-card__foot {
    padding: 0 32px 28px;
    text-align: center;
    color: var(--ink-500);
    font-size: .86rem;
}

.login-card__foot a {
    font-weight: 600;
}

.pw-toggle {
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--ink-500);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: color .15s ease, background .15s ease;
}

.pw-toggle:hover {
    color: var(--navy-900);
    background: #eef3ff;
}

.alert {
    padding: 13px 16px;
    border-radius: 12px;
    font-size: .86rem;
    margin-bottom: 18px;
}

.alert--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
}

/* ---------- Animation ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes popIn {
    from { opacity: 0; transform: translateY(12px) scale(.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .6s ease, transform .6s cubic-bezier(.22, 1, .36, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero {
        padding: 72px 0 84px;
    }

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

@media (max-width: 520px) {
    .auth-page {
        padding: 28px 16px;
    }

    .login-card__head {
        padding: 26px 24px 24px;
    }

    .login-card__body {
        padding: 26px 24px 22px;
    }

    .login-card__foot {
        padding: 0 24px 24px;
    }
}

@media (max-width: 768px) {
    .nav__toggle {
        display: block;
    }

    .nav__inner {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 0;
    }

    .nav__links,
    .nav__actions {
        display: none;
        width: 100%;
    }

    .nav.is-open .nav__links,
    .nav.is-open .nav__actions {
        display: flex;
    }

    .nav__links {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 12px 0;
    }

    .nav__links a {
        padding: 8px 0;
    }

    .nav__actions {
        padding-bottom: 12px;
    }

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

    .section {
        padding: 60px 0;
    }

    .form-split {
        grid-template-columns: 1fr;
    }

    .hero__stats {
        gap: 24px;
    }

    .cta {
        padding: 36px 26px;
    }

    .panel__bar {
        padding: 18px;
    }

    table.data thead th,
    table.data tbody td {
        padding: 13px 18px;
    }

    .search {
        min-width: 0;
        width: 100%;
    }
}