:root {
    --black: #080808;
    --dark: #101010;
    --dark-soft: #171717;
    --white: #f2f2ef;
    --muted: #9b9b96;
    --border: rgba(255, 255, 255, 0.15);
    --border-strong: rgba(255, 255, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--black);
    color: var(--white);
    font-family: "Inter", sans-serif;
}

body.no-scroll {
    overflow: hidden;
}

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

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

button {
    color: inherit;
}

.booking-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 5%;
    border-bottom: 1px solid var(--border);
}

.booking-logo {
    display: inline-flex;
    flex-direction: column;
    font-family: "Anton", sans-serif;
    font-size: 1rem;
    line-height: 0.84;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.back-link {
    padding-bottom: 5px;
    border-bottom: 1px solid var(--white);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.booking-page {
    width: min(1050px, 90%);
    margin: 0 auto;
    padding: 90px 0 120px;
}

.booking-intro {
    max-width: 820px;
}

.eyebrow {
    margin-bottom: 20px;
    color: #bdbdb7;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.38em;
    text-transform: uppercase;
}

.booking-intro h1 {
    font-family: "Anton", sans-serif;
    font-size: clamp(3.5rem, 8vw, 6.8rem);
    font-weight: 400;
    line-height: 0.92;
    text-transform: uppercase;
}

.booking-intro > p:last-child {
    max-width: 680px;
    margin-top: 28px;
    color: var(--muted);
    line-height: 1.8;
}

/* Progress */

.progress-wrapper {
    margin: 70px 0;
}

.progress-bar {
    width: 100%;
    height: 2px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.12);
}

.progress-fill {
    width: 16.666%;
    height: 100%;
    background: var(--white);
    transition: width 0.35s ease;
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 15px;
    color: var(--muted);
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

/* Steps */

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fade-in 0.35s ease;
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-heading {
    margin-bottom: 55px;
}

.step-number {
    margin-bottom: 12px;
    color: #73736f;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
}

.step-heading h2 {
    font-family: "Anton", sans-serif;
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
}

.step-heading > p:last-child {
    margin-top: 20px;
    color: var(--muted);
    line-height: 1.7;
}

/* Fields */

.field {
    margin-bottom: 35px;
}

.field-grid {
    display: grid;
    gap: 25px;
}

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

.field label {
    display: block;
    margin-bottom: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 0;
    outline: none;
    background: var(--dark-soft);
    color: var(--white);
}

.field input,
.field select {
    min-height: 56px;
    padding: 0 16px;
}

.field textarea {
    padding: 16px;
    resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--white);
}

.field small,
.form-note {
    display: block;
    margin-top: 10px;
    color: #73736f;
    font-size: 0.72rem;
    line-height: 1.6;
}

/* Choices */

.choice-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.choice-row.three {
    grid-template-columns: repeat(3, 1fr);
}

.choice-card {
    position: relative;
    margin: 0 !important;
    cursor: pointer;
}

.choice-card input {
    position: absolute;
    opacity: 0;
}

.choice-card span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 12px;
    border: 1px solid var(--border);
    background: var(--dark-soft);
    text-align: center;
    transition:
        border-color 0.2s ease,
        background 0.2s ease;
}

.choice-card input:checked + span {
    border-color: var(--white);
    background: var(--white);
    color: var(--black);
}

/* Conditional */

.conditional-field {
    display: none;
}

.conditional-field.visible {
    display: block;
}

/* Measurements */

.measurement-input {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    background: var(--dark-soft);
}

.measurement-input input {
    flex: 1;
    border: 0 !important;
}

.measurement-input span {
    padding-right: 18px;
    color: var(--muted);
    font-size: 0.75rem;
}

/* Upload */

.upload-area {
    position: relative;
    padding: 30px;
    border: 1px dashed var(--border-strong);
    background: var(--dark-soft);
}

.upload-area input {
    width: 100%;
}

.upload-area p {
    margin-top: 15px;
    color: var(--muted);
    font-size: 0.75rem;
    line-height: 1.6;
}

.upload-area.compact {
    min-height: 110px;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Session cards */

.session-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 45px;
}

.session-card {
    position: relative;
    display: flex;
    min-height: 230px;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    border: 1px solid var(--border);
    background: var(--dark-soft);
    cursor: pointer;
    transition:
        border-color 0.25s ease,
        background 0.25s ease;
}

.session-card input {
    position: absolute;
    opacity: 0;
}

.session-card:has(input:checked) {
    border-color: var(--white);
    background: #202020;
}

.session-check {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 16px;
    height: 16px;
    border: 1px solid var(--muted);
    border-radius: 50%;
}

.session-card:has(input:checked) .session-check {
    border: 5px solid var(--white);
}

.session-name {
    font-family: "Anton", sans-serif;
    font-size: 2rem;
    text-transform: uppercase;
}

.session-duration {
    margin-top: 7px;
    color: var(--muted);
    font-size: 0.72rem;
}

.session-card strong {
    margin-top: 22px;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

.session-note {
    margin: -10px 0 45px;
    padding: 24px 26px;
    border-left: 2px solid var(--white);
    background: rgba(255, 255, 255, 0.04);
}

.session-note strong {
    display: block;
    margin-bottom: 10px;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.session-note p {
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.7;
}

/* Days */

.day-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.day-card {
    position: relative;
    margin: 0 !important;
    cursor: pointer;
}

.day-card input {
    position: absolute;
    opacity: 0;
}

.day-card span {
    display: flex;
    min-height: 65px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: var(--dark-soft);
}

.day-card input:checked + span {
    border-color: var(--white);
    background: var(--white);
    color: var(--black);
}

/* Policies */

.policies {
    margin-top: 35px;
    padding: 35px;
    border: 1px solid var(--border);
    background: var(--dark-soft);
}

.policies h3 {
    margin-bottom: 20px;
    font-family: "Anton", sans-serif;
    font-size: 1.8rem;
    font-weight: 400;
    text-transform: uppercase;
}

.policies p {
    margin-bottom: 18px;
    color: var(--muted);
    line-height: 1.7;
}

.policy-check {
    display: flex !important;
    align-items: flex-start;
    gap: 14px;
    margin-top: 28px !important;
    margin-bottom: 0 !important;
    cursor: pointer;
}

.policy-check input {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 3px;
}

/* Review */

.review-summary {
    display: grid;
    gap: 1px;
    background: var(--border);
}

.review-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    padding: 20px;
    background: var(--dark-soft);
}

.review-label {
    color: #777772;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.review-value {
    line-height: 1.6;
}

/* Navigation */

.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 65px;
    padding-top: 35px;
    border-top: 1px solid var(--border);
}

.nav-button {
    min-height: 52px;
    padding: 0 26px;
    border: 1px solid var(--white);
    background: transparent;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
}

.nav-button.primary {
    margin-left: auto;
    background: var(--white);
    color: var(--black);
}

.nav-button.secondary {
    color: var(--white);
}

.nav-button:disabled {
    cursor: default;
    opacity: 0.25;
}

.submit-button {
    display: none;
}

/* Confirmation */

.confirmation-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    background: rgba(0, 0, 0, 0.96);
    opacity: 0;
    visibility: hidden;
    transition: 0.25s ease;
}

.confirmation-modal.active {
    opacity: 1;
    visibility: visible;
}

.confirmation-card {
    width: min(600px, 100%);
    padding: 60px 45px;
    border: 1px solid var(--border);
    background: var(--dark-soft);
    text-align: center;
}

.confirmation-card h2 {
    font-family: "Anton", sans-serif;
    font-size: 4rem;
    font-weight: 400;
    text-transform: uppercase;
}

.confirmation-card > p:not(.eyebrow) {
    margin-top: 22px;
    color: var(--muted);
    line-height: 1.8;
}

.confirmation-button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    padding: 0 28px;
    border: 1px solid var(--white);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Mobile */

@media (max-width: 700px) {
    .booking-header {
        padding: 20px 5%;
    }

    .booking-logo {
        font-size: 0.8rem;
    }

    .back-link {
        font-size: 0.58rem;
    }

    .booking-page {
        width: 88%;
        padding-top: 65px;
    }

    .booking-intro h1 {
        font-size: clamp(3.4rem, 16vw, 5rem);
    }

    .progress-meta {
        flex-direction: column;
        gap: 7px;
    }

    .two-columns,
    .reference-grid,
    .session-grid {
        grid-template-columns: 1fr;
    }

    .choice-row.three {
        grid-template-columns: 1fr;
    }

    .session-card {
        min-height: 180px;
    }

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

    .review-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .form-navigation {
        flex-wrap: wrap;
    }

    .nav-button {
        flex: 1;
    }
}