*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --color-black: #050505;
    --color-white: #ffffff;
    --color-red: #d61f26;
    --surface-white: rgba(255, 255, 255, 0.96);
    --surface-dark: rgba(5, 5, 5, 0.92);
    --border-dark: rgba(5, 5, 5, 0.12);
    --border-light: rgba(255, 255, 255, 0.18);
}

body {
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f8 48%, #ffffff 100%);
    max-width: 1440px;
    margin: 0 auto;
    color: var(--color-black);
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

section {
    padding: 48px 28px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.35rem);
    margin: 0 0 16px;
    line-height: 0.95;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

p {
    margin: 0;
    max-width: 75ch;
    color: rgba(5, 5, 5, 0.72);
}

button {
    font-family: inherit;
    font-size: 16px;
    padding: 12px 24px;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

#mission,
#work,
#contact,
#gallery {
    background: var(--surface-white);
    margin: 20px 12px;
    border: 1px solid rgba(214, 31, 38, 0.12);
    position: relative;
    overflow: hidden;
}

#mission,
#work,
#contact {
    border-radius: 28px;
}

#gallery {
    background: var(--surface-white);
    border-radius: 0;
}

#mission > *,
#work > *,
#contact > *,
#gallery > *,
#checkout > * {
    position: relative;
    z-index: 1;
}

.contact-image {
    width: min(420px, 100%);
    height: auto;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.work-image {
    width: min(220px, 45vw);
    height: auto;
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.work-image:hover {
    transform: translateY(-4px) scale(1.03);
    opacity: 0.96;
}

.hero-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-black) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-white);
    font-weight: bold;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-image::before {
    content: "Image Placeholder";
}

#checkout {
    background: var(--surface-white);
    margin: 20px 12px;
    border-radius: 28px;
    border: 1px solid rgba(214, 31, 38, 0.12);
    position: relative;
    overflow: hidden;
}

#auth {
    background: var(--surface-white);
    margin: 20px 12px;
    border-radius: 28px;
    border: 1px solid rgba(214, 31, 38, 0.12);
    position: relative;
    overflow: hidden;
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
    gap: 24px;
    align-items: start;
}

.auth-main,
.auth-side {
    background: var(--surface-white);
    border: 1px solid rgba(214, 31, 38, 0.14);
    border-radius: 28px;
    padding: 28px;
    color: var(--color-black);
}

.auth-kicker {
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-red);
}

.auth-main h2,
.auth-side h3 {
    margin-top: 0;
}

.auth-switcher {
    display: inline-flex;
    gap: 8px;
    padding: 6px;
    margin: 24px 0 18px;
    border-radius: 999px;
    background: rgba(5, 5, 5, 0.05);
    border: 1px solid rgba(5, 5, 5, 0.08);
}

.auth-switcher button {
    border: none;
    background: transparent;
    color: rgba(5, 5, 5, 0.72);
    padding: 10px 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.auth-switcher button.is-active {
    background: var(--color-black);
    color: var(--color-white);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form[hidden],
.auth-session-card[hidden] {
    display: none;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-field span {
    font-weight: 700;
    color: var(--color-black);
}

.auth-field input {
    width: 100%;
    border: 1px solid rgba(5, 5, 5, 0.14);
    border-radius: 18px;
    padding: 14px 16px;
    font: inherit;
    background: rgba(255, 255, 255, 0.98);
    color: var(--color-black);
}

.auth-field input:focus {
    outline: 2px solid rgba(214, 31, 38, 0.26);
    border-color: var(--color-red);
}

.auth-submit,
.auth-guest-button,
.auth-session-button {
    border: none;
    background: var(--color-red);
    color: var(--color-white);
    font-weight: 700;
    align-self: flex-start;
}

.auth-session-button.is-secondary {
    background: var(--color-white);
    color: var(--color-black);
    border: 1px solid rgba(5, 5, 5, 0.12);
}

.auth-submit:hover,
.auth-guest-button:hover,
.auth-session-button:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.auth-message {
    min-height: 24px;
    margin-top: 18px;
    font-weight: 700;
    color: var(--color-black);
}

.auth-message.is-error {
    color: var(--color-red);
}

.auth-side {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-side-card,
.auth-session-card {
    padding: 22px;
    border-radius: 24px;
    background: rgba(5, 5, 5, 0.03);
    border: 1px solid rgba(5, 5, 5, 0.08);
}

.auth-side-card p,
.auth-session-card p {
    margin-bottom: 14px;
}

.auth-session-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkout-hero {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(5, 5, 5, 0.12);
}

.checkout-kicker {
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-red);
}

.checkout-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.95fr);
    gap: 24px;
    align-items: start;
}

.checkout-main,
.checkout-summary-card,
.checkout-confirmation {
    background: var(--surface-white);
    border: 1px solid rgba(214, 31, 38, 0.14);
    border-radius: 28px;
    padding: 28px;
    color: var(--color-black);
}

.checkout-progress {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.checkout-progress-step {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    border: 1px solid rgba(5, 5, 5, 0.12);
    background: rgba(255, 255, 255, 0.96);
    color: var(--color-black);
}

.checkout-progress-step span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(214, 31, 38, 0.12);
    color: var(--color-red);
    font-weight: 700;
}

.checkout-progress-step strong {
    font-size: 15px;
}

.checkout-progress-step.is-active {
    border-color: var(--color-red);
    background: var(--color-black);
    color: var(--color-white);
}

.checkout-progress-step.is-active span,
.checkout-progress-step.is-complete span {
    background: var(--color-red);
    color: var(--color-white);
}

.checkout-progress-step.is-complete {
    border-color: rgba(214, 31, 38, 0.4);
}

.checkout-step-head {
    margin-bottom: 20px;
}

.checkout-step-head h3,
.checkout-summary-head h3,
.checkout-confirmation h3 {
    margin: 0 0 8px;
    font-size: 30px;
    color: var(--color-black);
}

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

.checkout-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkout-field span,
.checkout-checkline span {
    color: var(--color-black);
    font-weight: 700;
}

.checkout-field input,
.checkout-field textarea,
.checkout-field select {
    width: 100%;
    border: 1px solid rgba(5, 5, 5, 0.14);
    border-radius: 18px;
    padding: 14px 16px;
    font: inherit;
    background: rgba(255, 255, 255, 0.98);
    color: var(--color-black);
}

.checkout-field input:focus,
.checkout-field textarea:focus,
.checkout-field select:focus {
    outline: 2px solid rgba(214, 31, 38, 0.26);
    border-color: var(--color-red);
}

.checkout-field textarea {
    resize: vertical;
}

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

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

.checkout-choice-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(5, 5, 5, 0.12);
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.checkout-choice-card:hover {
    transform: translateY(-3px);
    border-color: rgba(214, 31, 38, 0.4);
}

.checkout-choice-card input {
    margin: 0;
}

.checkout-choice-card span {
    font-weight: 700;
    color: var(--color-black);
}

.checkout-choice-card small {
    color: rgba(5, 5, 5, 0.62);
}

.checkout-spacing-top {
    margin-top: 18px;
}

.checkout-checkline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.checkout-review-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(5, 5, 5, 0.08);
}

.checkout-review-card h4,
.checkout-summary-item h4 {
    margin: 0 0 10px;
    color: var(--color-black);
}

.checkout-invoice-panel {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(5, 5, 5, 0.08);
}

.checkout-invoice-head h4 {
    margin: 0 0 6px;
    color: var(--color-black);
}

.checkout-invoice-status,
.checkout-invoice-head p {
    color: rgba(5, 5, 5, 0.68);
}

.checkout-invoice-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.checkout-invoice-viewer {
    margin-top: 14px;
    border: 1px solid rgba(5, 5, 5, 0.1);
    border-radius: 16px;
    overflow: hidden;
    background: rgba(248, 248, 248, 0.9);
}

.checkout-invoice-placeholder {
    padding: 18px;
}

.checkout-invoice-viewer iframe {
    width: 100%;
    min-height: 420px;
    border: none;
    display: block;
    background: #ffffff;
}

.checkout-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.checkout-actions [data-checkout-back] {
    margin-right: auto;
}

.checkout-primary-button,
.checkout-secondary-button,
.checkout-primary-link,
.checkout-secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 700;
}

.checkout-primary-button,
.checkout-primary-link {
    border: none;
    background: var(--color-red);
    color: var(--color-white);
}

.checkout-primary-button:disabled,
.checkout-secondary-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.checkout-primary-button:disabled {
    background: rgba(5, 5, 5, 0.28);
    color: rgba(255, 255, 255, 0.94);
}

.checkout-secondary-button:disabled {
    border-color: rgba(5, 5, 5, 0.12);
    color: rgba(5, 5, 5, 0.42);
}

.checkout-secondary-button,
.checkout-secondary-link {
    border: 1px solid rgba(5, 5, 5, 0.16);
    background: var(--color-white);
    color: var(--color-black);
}

.checkout-primary-button:hover,
.checkout-primary-link:hover {
    transform: translateY(-2px);
    background: var(--color-black);
}

.checkout-primary-button:disabled:hover,
.checkout-secondary-button:disabled:hover {
    transform: none;
}

.checkout-secondary-button:hover,
.checkout-secondary-link:hover {
    transform: translateY(-2px);
    border-color: var(--color-red);
    color: var(--color-red);
}

.checkout-inline-message {
    min-height: 24px;
    margin: 16px 0 0;
    color: var(--color-red);
    font-weight: 700;
}

.checkout-summary-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 22px 0;
}

.checkout-summary-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(5, 5, 5, 0.08);
}

.checkout-summary-item p,
.checkout-review-card p {
    color: rgba(5, 5, 5, 0.68);
}

.checkout-summary-totals {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkout-summary-totals p {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.checkout-empty {
    padding: 18px;
    border: 1px dashed rgba(214, 31, 38, 0.36);
    border-radius: 22px;
    background: rgba(214, 31, 38, 0.05);
}

.checkout-empty a {
    color: var(--color-red);
    font-weight: 700;
}

.checkout-confirmation {
    max-width: 680px;
}

.checkout-confirmation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}