:root {
    --ink: #081f22;
    --muted: #62746d;
    --cream: #fff8e8;
    --surface: #fffdf6;
    --green: #0f7657;
    --green-dark: #063b33;
    --mint: #bff5d8;
    --blue: #0b83b8;
    --blue-dark: #06445f;
    --sky: #d9f4ff;
    --orange: #f07435;
    --gold: #ffd166;
    --line: rgba(8, 31, 34, 0.12);
    --shadow: 0 22px 70px rgba(8, 31, 34, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at 12% 16%, rgba(255, 209, 102, 0.44), transparent 26%),
        radial-gradient(circle at 82% 8%, rgba(11, 131, 184, 0.22), transparent 30%),
        linear-gradient(135deg, #e8fff1 0%, #fff8e8 46%, #e9f7ff 100%);
}

button,
input,
select {
    font: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 14px clamp(18px, 4vw, 44px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 253, 246, 0.82);
    backdrop-filter: blur(16px);
}

.brand-row,
.header-actions,
.hero-badges,
.submit-row,
.site-footer {
    display: flex;
    align-items: center;
}

.brand-row {
    gap: 12px;
}

.brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: conic-gradient(from 140deg, var(--green), var(--blue), var(--gold), var(--green));
    color: white;
    font-weight: 900;
    box-shadow: 0 14px 30px rgba(15, 118, 87, 0.28);
}

.brand-mark::after {
    content: "";
    position: absolute;
    inset: 9px;
    border: 2px solid rgba(255, 255, 255, 0.72);
    border-radius: 50%;
    border-left-color: transparent;
}

.brand-name,
.brand-label,
.eyebrow,
.hero-copy h1,
.hero-copy p,
.section-heading h2,
.plan-summary-list p,
.submit-row p {
    margin: 0;
}

.brand-name {
    font-size: 21px;
    font-weight: 900;
}

.brand-label,
.eyebrow {
    color: var(--orange);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.header-actions {
    gap: 12px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
}

.header-actions a {
    border-radius: 999px;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: white;
    padding: 11px 16px;
    text-decoration: none;
    box-shadow: 0 12px 24px rgba(15, 118, 87, 0.22);
}

.registration-page {
    width: min(100%, 1420px);
    margin: 0 auto;
    padding: clamp(18px, 4vw, 44px);
}

.hero-strip {
    position: relative;
    min-height: 560px;
    overflow: hidden;
    border-radius: 26px;
    background: var(--green-dark);
    box-shadow: var(--shadow);
}

.hero-strip img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(90deg, rgba(4, 23, 27, 0.9), rgba(4, 23, 27, 0.58) 42%, rgba(4, 23, 27, 0.04) 70%),
        radial-gradient(circle at 28% 22%, rgba(255, 209, 102, 0.22), transparent 22%),
        radial-gradient(circle at 52% 72%, rgba(60, 224, 175, 0.18), transparent 24%);
}

.hero-strip::after {
    content: "";
    position: absolute;
    left: 34px;
    right: 34px;
    bottom: 30px;
    z-index: 2;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, var(--mint), var(--sky), transparent);
    box-shadow: 0 0 26px rgba(191, 245, 216, 0.88);
}

.hero-copy {
    position: relative;
    z-index: 3;
    display: flex;
    min-height: 560px;
    max-width: 720px;
    flex-direction: column;
    justify-content: center;
    padding: clamp(30px, 7vw, 74px);
    color: white;
}

.hero-copy .eyebrow {
    width: fit-content;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--gold);
    padding: 9px 12px;
}

.hero-copy h1 {
    margin-top: 18px;
    font-size: clamp(42px, 6vw, 82px);
    line-height: 0.98;
    letter-spacing: 0;
}

.hero-copy p:not(.eyebrow) {
    max-width: 620px;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 19px;
    line-height: 1.65;
}

.hero-badges {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.hero-badges span {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    padding: 10px 13px;
    color: white;
    font-size: 14px;
    font-weight: 900;
}

.plan-showcase {
    position: relative;
    margin-top: 24px;
    overflow: hidden;
    border-radius: 26px;
    background:
        linear-gradient(135deg, rgba(31, 17, 91, 0.96), rgba(87, 44, 170, 0.95)),
        radial-gradient(circle at 10% 20%, rgba(255, 209, 102, 0.36), transparent 26%),
        radial-gradient(circle at 88% 78%, rgba(0, 217, 173, 0.28), transparent 24%);
    padding: clamp(22px, 4vw, 34px);
    box-shadow: var(--shadow);
}

.plan-showcase::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, transparent 0 22%, rgba(255, 255, 255, 0.08) 22% 34%, transparent 34% 100%),
        linear-gradient(45deg, transparent 0 62%, rgba(0, 217, 173, 0.14) 62% 75%, transparent 75% 100%);
    pointer-events: none;
}

.plan-showcase-heading {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
    color: white;
}

.plan-showcase-heading .eyebrow {
    color: var(--gold);
}

.plan-showcase-heading h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(28px, 4vw, 48px);
    line-height: 1.05;
    letter-spacing: 0;
}

.promo-plan-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 22px);
}

.promo-plan-card {
    position: relative;
    display: block;
    overflow: visible;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.16);
    padding: 8px;
    box-shadow: 0 24px 48px rgba(5, 10, 31, 0.28);
}

.promo-plan-card img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: 12px;
    object-fit: contain;
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.58fr) minmax(0, 1.42fr);
    gap: 24px;
    margin-top: 24px;
    align-items: start;
}

.info-column {
    display: grid;
    gap: 18px;
}

.info-panel,
.form-panel,
.success-box {
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 22px;
    background: rgba(255, 253, 246, 0.9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.info-panel,
.form-panel,
.success-box {
    padding: clamp(20px, 3vw, 30px);
}

.section-heading h2,
.form-heading h2,
.success-box h2 {
    margin: 7px 0 0;
    font-size: clamp(28px, 3.2vw, 42px);
    line-height: 1.05;
    letter-spacing: 0;
}

.plan-summary-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.graphic-plan-card {
    position: relative;
    overflow: hidden;
    min-height: 210px;
    border-radius: 20px;
    padding: 18px;
    color: white;
    isolation: isolate;
}

.graphic-plan-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background: linear-gradient(135deg, var(--green-dark), var(--green));
}

.graphic-plan-card::after {
    content: "";
    position: absolute;
    right: -42px;
    bottom: -50px;
    z-index: -1;
    width: 168px;
    height: 168px;
    border: 26px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
}

.plan-card-2::before {
    background: linear-gradient(135deg, #073e58, var(--blue));
}

.plan-card-3::before {
    background: linear-gradient(135deg, #713311, var(--orange));
}

.plan-card-top {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.plan-card-top strong,
.plan-card-top small {
    display: block;
}

.plan-card-top strong {
    font-size: 18px;
    font-weight: 900;
}

.plan-card-top small {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    font-weight: 900;
    text-align: right;
}

.speed-graphic {
    position: relative;
    display: grid;
    place-items: center;
    width: 144px;
    height: 94px;
    margin: 24px 0 12px;
}

.speed-graphic span {
    position: absolute;
    bottom: 0;
    border: 5px solid rgba(255, 255, 255, 0.72);
    border-bottom: 0;
    border-radius: 120px 120px 0 0;
}

.speed-graphic span:nth-child(1) {
    width: 58px;
    height: 34px;
}

.speed-graphic span:nth-child(2) {
    width: 96px;
    height: 58px;
}

.speed-graphic span:nth-child(3) {
    width: 136px;
    height: 84px;
}

.speed-graphic b {
    position: relative;
    top: 18px;
    color: white;
    font-size: 30px;
    font-weight: 900;
}

.graphic-plan-card p {
    max-width: 270px;
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
    font-size: 14px;
    font-weight: 800;
    line-height: 1.5;
}

.compact-panel {
    background: linear-gradient(135deg, var(--green-dark), #06445f);
    color: white;
}

.compact-panel .eyebrow {
    color: var(--gold);
}

.process-panel {
    background: linear-gradient(135deg, #17263f, #0f7657);
}

.coverage-list,
.step-list {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.coverage-list li,
.step-list li {
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.14);
    padding: 13px 14px;
    font-weight: 900;
}

.coverage-list li::before {
    content: "OK";
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 24px;
    margin-right: 9px;
    border-radius: 999px;
    background: var(--gold);
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 900;
}

.coverage-note {
    margin: 14px 0 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    font-weight: 800;
    line-height: 1.5;
}

.step-list li {
    position: relative;
    padding-left: 48px;
}

.step-list li::before {
    content: counter(list-item);
    position: absolute;
    left: 13px;
    top: 10px;
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--green-dark);
    font-size: 13px;
    font-weight: 900;
}

.form-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.form-badge {
    flex: 0 0 auto;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--mint), var(--sky));
    color: var(--green-dark);
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.registration-form {
    display: grid;
    gap: 24px;
}

.form-section,
.plan-list {
    margin: 0;
    border: 0;
    padding: 0;
}

.form-section legend,
.plan-list legend {
    margin-bottom: 12px;
    color: var(--ink);
    font-size: 16px;
    font-weight: 900;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
}

label {
    color: var(--ink);
    font-size: 14px;
    font-weight: 900;
}

label span {
    display: block;
    margin-bottom: 8px;
}

input,
select {
    width: 100%;
    min-height: 52px;
    border: 1px solid rgba(8, 31, 34, 0.16);
    border-radius: 14px;
    background: white;
    padding: 0 15px;
    color: var(--ink);
    outline: none;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

input:focus,
select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(11, 131, 184, 0.16);
}

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

.plan-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.plan-list legend {
    grid-column: 1 / -1;
}

.plan-option {
    cursor: pointer;
}

.plan-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.plan-option span {
    position: relative;
    display: block;
    min-height: 210px;
    margin: 0;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.82);
    border-radius: 18px;
    background:
        radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.26), transparent 24%),
        linear-gradient(155deg, #00a98f, #026f67);
    color: white;
    padding: 17px;
    box-shadow: 0 14px 28px rgba(8, 31, 34, 0.16);
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.plan-option-2 span {
    background:
        radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.26), transparent 24%),
        linear-gradient(155deg, #6e30d4, #2e146d);
}

.plan-option-3 span {
    background:
        radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.34), transparent 24%),
        linear-gradient(155deg, #f4ef12, #f0a500);
    color: #20124d;
}

.plan-option input:checked + span {
    border-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(255, 209, 102, 0.55), 0 20px 40px rgba(15, 118, 87, 0.22);
    transform: translateY(-3px);
}

.plan-option input:focus + span {
    box-shadow: 0 0 0 4px rgba(11, 131, 184, 0.16);
}

.mini-signal {
    position: relative;
    display: block;
    width: 82px;
    height: 48px;
    margin-bottom: 16px;
}

.mini-signal::before,
.mini-signal::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    border: 5px solid currentColor;
    border-bottom: 0;
    border-radius: 80px 80px 0 0;
}

.mini-signal::before {
    width: 44px;
    height: 28px;
}

.mini-signal::after {
    width: 78px;
    height: 46px;
    opacity: 0.45;
}

.plan-option strong,
.plan-option em,
.plan-option small {
    display: block;
    font-style: normal;
}

.plan-option strong {
    border-bottom: 2px solid currentColor;
    padding-bottom: 8px;
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
}

.plan-option em {
    margin-top: 14px;
    color: inherit;
    font-size: 46px;
    font-weight: 900;
    line-height: 1;
}

.plan-option small {
    margin-top: 8px;
    color: inherit;
    font-size: 13px;
    font-weight: 900;
}

.submit-row {
    gap: 16px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}

.submit-row p {
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: white;
    padding: 0 26px;
    font-size: 16px;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 14px 28px rgba(15, 118, 87, 0.26);
}

.button:hover {
    filter: brightness(0.95);
}

.secondary-button {
    margin-top: 18px;
    background: linear-gradient(135deg, var(--blue), var(--green));
}

.error-box {
    margin-bottom: 18px;
    border: 1px solid #e5b1a2;
    border-radius: 14px;
    background: #fff4ef;
    color: #9c381e;
    padding: 16px;
    font-weight: 800;
}

.error-box p {
    margin: 0;
}

.error-box p + p {
    margin-top: 8px;
}

.success-box p {
    max-width: 660px;
    color: var(--muted);
    line-height: 1.65;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 24px 0 0;
}

.summary-grid div {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: white;
    padding: 13px;
}

.summary-grid dt {
    color: var(--orange);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.summary-grid dd {
    margin: 6px 0 0;
    overflow-wrap: anywhere;
    font-weight: 800;
}

.site-footer {
    justify-content: space-between;
    gap: 18px;
    width: min(100%, 1420px);
    margin: 0 auto;
    padding: 0 clamp(18px, 4vw, 44px) 38px;
    color: var(--muted);
}

.site-footer div {
    display: grid;
    gap: 4px;
}

.site-footer strong {
    color: var(--ink);
    font-size: 18px;
    font-weight: 900;
}

.site-footer span {
    font-size: 14px;
    font-weight: 800;
    line-height: 1.45;
}

.site-footer a {
    width: fit-content;
    color: var(--green-dark);
    font-size: 18px;
    font-weight: 900;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--blue);
    text-decoration: underline;
}

@media (max-width: 1080px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .info-column {
        grid-template-columns: 1fr 1fr;
    }

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

}

@media (max-width: 760px) {
    .site-header,
    .header-actions,
    .form-heading,
    .plan-showcase-heading,
    .submit-row,
    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header {
        position: static;
    }

    .registration-page {
        padding: 14px;
    }

    .hero-strip,
    .hero-copy {
        min-height: 560px;
    }

    .hero-strip::before {
        background: linear-gradient(0deg, rgba(4, 23, 27, 0.94), rgba(4, 23, 27, 0.25));
    }

    .hero-copy {
        justify-content: flex-end;
        padding: 24px;
    }

    .info-column,
    .promo-plan-grid,
    .field-grid,
    .plan-list,
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        font-size: 42px;
    }

    .plan-option span {
        min-height: auto;
    }
}