:root {
    --background: #f8f5f1;
    --surface: #ffffff;
    --text-primary: #2f211b;
    --text-secondary: #6d625d;
    --border: #dcd5d0;
    --brown: #4a2d23;
    --brown-dark: #2f1d17;
    --error: #a52a2a;

    --serif: "Playfair Display", Georgia, serif;
    --sans: "DM Sans", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text-primary);
    font-family: var(--sans);
    line-height: 1.6;
}

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

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

button,
input,
textarea {
    font: inherit;
}

/* Header */

.site-header {
    background: rgba(248, 245, 241, 0.96);
    border-bottom: 1px solid var(--border);
}

.header-container {
    width: min(1180px, calc(100% - 40px));
    min-height: 90px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand-logo {
    width: 150px;
    height: auto;
}

.header-navigation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header-navigation a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition:
        color 180ms ease,
        background-color 180ms ease;
}

.header-navigation a:hover,
.header-navigation a:focus-visible {
    color: var(--brown-dark);
}

.header-navigation .project-link {
    padding: 11px 18px;
    background: var(--brown);
    color: #ffffff;
    border-radius: 2px;
}

.header-navigation .project-link:hover,
.header-navigation .project-link:focus-visible {
    background: var(--brown-dark);
    color: #ffffff;
}

/* Main layout */

.contact-page {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 100px 0 110px;

    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1fr);
    gap: clamp(60px, 9vw, 140px);
    align-items: start;
}

/* Introduction */

.contact-intro {
    position: sticky;
    top: 50px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--brown);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.contact-intro h1 {
    margin: 0;
    font-size: clamp(3.5rem, 7vw, 3rem);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.intro-text {
    max-width: 520px;
    margin: 30px 0 0;
    color: var(--text-secondary);
    font-size: 1.08rem;
}

.contact-details {
    margin-top: 38px;

    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.contact-details a {
    padding-bottom: 3px;
    color: var(--brown);
    border-bottom: 1px solid transparent;
    font-weight: 500;
    transition: border-color 180ms ease;
}

.contact-details a:hover,
.contact-details a:focus-visible {
    border-color: currentColor;
}

/* Form */

.contact-form-section {
    background: var(--surface);
    padding: clamp(28px, 5vw, 54px);
    border: 1px solid var(--border);
    border-radius: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.form-group label {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;

    background: transparent;
    color: var(--text-primary);

    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    outline: none;

    transition: border-color 180ms ease;
}

.form-group textarea {
    min-height: 155px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a29a95;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--brown);
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
    border-bottom-color: var(--error);
}

.field-error {
    min-height: 18px;
    color: var(--error);
    font-size: 0.78rem;
}

.textarea-details {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

#characterCount {
    flex-shrink: 0;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.submit-button {
    width: 100%;
    min-height: 56px;
    margin-top: 4px;

    background: var(--brown);
    color: #ffffff;

    border: 1px solid var(--brown);
    border-radius: 2px;

    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.04em;

    transition:
        background-color 180ms ease,
        border-color 180ms ease,
        transform 180ms ease;
}

.submit-button:hover {
    background: var(--brown-dark);
    border-color: var(--brown-dark);
    transform: translateY(-1px);
}

.submit-button:focus-visible {
    outline: 3px solid rgba(74, 45, 35, 0.25);
    outline-offset: 3px;
}

.form-note {
    margin: -10px 0 0;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-align: center;
}

.form-status {
    min-height: 20px;
    margin: 0;
    color: var(--brown);
    font-size: 0.86rem;
    text-align: center;
}

.submit-button {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.button-spinner {
    display: none;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;

    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;

    animation: button-spin 0.7s linear infinite;
}

.submit-button.loading {
    cursor: wait;
    opacity: 0.85;
    transform: none;
}

.submit-button.loading:hover {
    background: var(--brown);
    border-color: var(--brown);
    transform: none;
}

.submit-button.loading .button-spinner {
    display: inline-block;
}

.submit-button:disabled {
    pointer-events: none;
}

@keyframes button-spin {
    to {
        transform: rotate(360deg);
    }
}

.form-status.is-error {
    color: var(--error);
}

.form-status.is-success {
    color: #41230f;
}

/* Start a project prompt */

.project-prompt {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.project-prompt p {
    margin: 0 0 7px;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.project-prompt a {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    color: var(--brown);
    font-size: 1.2rem;
    font-weight: 600;
}

.project-prompt a span {
    transition: transform 180ms ease;
}

.project-prompt a:hover span {
    transform: translateX(5px);
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--border);
}

.footer-container {
    width: min(1180px, calc(100% - 40px));
    min-height: 90px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    color: var(--text-secondary);
    font-size: 0.8rem;
}

.footer-container p {
    margin: 0;
}

.footer-container a:hover {
    color: var(--brown);
}

/* Responsive */

@media (max-width: 900px) {
    .header-container {
        min-height: 78px;
    }

    .header-navigation a:not(.project-link) {
        display: none;
    }

    .contact-page {
        padding: 70px 0 80px;
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-intro {
        position: static;
    }

    .contact-intro h1 {
        font-size: clamp(3.4rem, 13vw, 5rem);
    }
}

@media (max-width: 560px) {
    .header-container,
    .contact-page,
    .footer-container {
        width: min(100% - 28px, 1180px);
    }

    .brand-logo {
        width: 120px;
    }

    .header-navigation .project-link {
        padding: 9px 12px;
        font-size: 0.78rem;
    }

    .contact-page {
        padding-top: 55px;
    }

    .contact-form-section {
        padding: 26px 20px;
    }

    .contact-intro h1 {
        font-size: 3.5rem;
    }

    .intro-text {
        font-size: 1rem;
    }

    .textarea-details {
        flex-direction: column;
        gap: 2px;
    }

    .footer-container {
        padding: 25px 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

.form-honeypot {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}