:root {
    --cream: #fff7ef;
    --paper: #fffaf5;
    --peach: #f5b58f;
    --rose: #d66b83;
    --wine: #742b3b;
    --burgundy: #4f1728;
    --cocoa: #3e2e2a;
    --graphite: #252326;
    --muted: #796c66;
    --line: rgba(116, 43, 59, 0.18);
    --shadow: 0 24px 70px rgba(79, 23, 40, 0.16);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--graphite);
    background:
        radial-gradient(circle at 14% 12%, rgba(245, 181, 143, 0.22), transparent 32rem),
        linear-gradient(135deg, #fff9f2 0%, #f8e7df 44%, #f4d2c5 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: 0;
}

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

.skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 20;
    transform: translateY(-160%);
    background: var(--burgundy);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
}

.skip-link:focus {
    transform: translateY(0);
}

.app {
    min-height: 100vh;
    position: relative;
}

.app::before {
    content: "♥";
    position: fixed;
    right: clamp(1rem, 6vw, 5rem);
    top: clamp(1rem, 7vw, 4rem);
    color: rgba(116, 43, 59, 0.12);
    font-size: clamp(5rem, 18vw, 14rem);
    line-height: 1;
    pointer-events: none;
    animation: floatHeart 7s ease-in-out infinite;
}

.screen {
    min-height: 100vh;
    padding: clamp(2rem, 5vw, 4rem) 1rem;
}

.screen[hidden] {
    display: none;
}

.screen__inner {
    width: min(1120px, 100%);
    margin: 0 auto;
    position: relative;
}

.screen__inner--narrow {
    width: min(760px, 100%);
}

.screen--proposal {
    display: grid;
    align-items: center;
    padding: 0;
    isolation: isolate;
}

.hero-photo {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(30, 20, 22, 0.42), rgba(255, 247, 239, 0.22)),
        url("../images/sunrise-picnic.jpg");
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(255, 247, 239, 0.93), rgba(255, 247, 239, 0.62) 48%, rgba(255, 247, 239, 0.24));
    z-index: -1;
}

.proposal-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 1rem 5rem;
}

.proposal-copy {
    width: min(790px, 100%);
}

.eyebrow {
    margin: 0 0 0.8rem;
    color: var(--wine);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1,
h2 {
    margin: 0;
    color: var(--burgundy);
    line-height: 1.03;
    letter-spacing: 0;
}

h1 {
    max-width: 16ch;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 5.4rem;
}

h2 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 4.2rem;
}

h3 {
    margin: 0;
    color: var(--burgundy);
    font-size: 2rem;
}

.lead {
    color: var(--cocoa);
    font-size: 1.2rem;
    line-height: 1.65;
    max-width: 58ch;
    margin: 1.25rem 0 0;
}

.proposal-actions {
    width: min(520px, 100%);
    min-height: 9.5rem;
    margin-top: 2rem;
    position: relative;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 3.25rem;
    min-width: 8.5rem;
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 800;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button:hover:not(:disabled),
.button:focus-visible {
    transform: translateY(-2px);
}

.button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.date-card:focus-visible {
    outline: 3px solid rgba(214, 107, 131, 0.56);
    outline-offset: 3px;
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.56;
}

.button--primary {
    background: linear-gradient(135deg, var(--wine), var(--rose));
    color: #fff;
    box-shadow: 0 14px 34px rgba(116, 43, 59, 0.28);
}

.button--ghost {
    background: rgba(255, 250, 245, 0.72);
    color: var(--wine);
    border: 1px solid var(--line);
}

#yes-button {
    position: absolute;
    left: 0;
    top: 0;
}

.no-button {
    position: absolute;
    left: 11rem;
    top: 0;
    z-index: 2;
    will-change: transform, left, top;
}

.no-hint {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: 1.5rem;
    color: var(--wine);
    font-weight: 700;
    margin: 0;
}

.section-heading {
    margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.section-heading p:not(.eyebrow) {
    color: var(--muted);
    font-size: 1.08rem;
    line-height: 1.6;
    max-width: 58ch;
}

.date-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.date-card {
    display: grid;
    grid-template-rows: auto 1fr;
    padding: 0;
    text-align: left;
    color: inherit;
    background: rgba(255, 250, 245, 0.82);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 14px 40px rgba(79, 23, 40, 0.08);
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.date-card:hover,
.date-card.is-selected {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(116, 43, 59, 0.48);
}

.date-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.date-card__content {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    min-height: 12rem;
    padding: 1rem;
}

.date-card__check {
    position: absolute;
    right: 0.85rem;
    top: -1.25rem;
    width: 2.3rem;
    height: 2.3rem;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--wine);
    color: #fff;
    opacity: 0;
    transform: scale(0.82);
    transition: opacity 180ms ease, transform 180ms ease;
}

.date-card.is-selected .date-card__check {
    opacity: 1;
    transform: scale(1);
}

.date-card__title {
    padding-right: 2.6rem;
    color: var(--burgundy);
    font-size: 1.12rem;
    font-weight: 850;
    line-height: 1.25;
}

.date-card__text {
    color: var(--muted);
    line-height: 1.55;
}

.step-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.step-actions--split {
    justify-content: space-between;
    flex-wrap: wrap;
}

.details-form,
.review-card,
.success-summary {
    background: rgba(255, 250, 245, 0.84);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.details-form {
    padding: clamp(1rem, 4vw, 1.5rem);
}

.field {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.field label {
    color: var(--burgundy);
    font-weight: 800;
}

.field input,
.field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--graphite);
    padding: 0.9rem 1rem;
}

.field textarea {
    resize: vertical;
}

.field-note {
    justify-self: end;
    color: var(--muted);
    font-size: 0.9rem;
}

.hp-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-error {
    min-height: 1.5rem;
    margin: 0.5rem 0 0;
    color: #a32938;
    font-weight: 800;
}

.review-card {
    overflow: hidden;
}

.review-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.review-card__body {
    padding: clamp(1rem, 4vw, 1.5rem);
}

.summary-list {
    display: grid;
    gap: 0.85rem;
    margin: 1.1rem 0 0;
}

.summary-list div {
    display: grid;
    grid-template-columns: 7rem 1fr;
    gap: 1rem;
    border-top: 1px solid var(--line);
    padding-top: 0.85rem;
}

.summary-list dt {
    color: var(--muted);
    font-weight: 800;
}

.summary-list dd {
    margin: 0;
    color: var(--graphite);
    overflow-wrap: anywhere;
}

.success-layout {
    min-height: calc(100vh - 8rem);
    display: grid;
    place-content: center;
    text-align: center;
    position: relative;
}

.success-summary {
    display: grid;
    gap: 0.3rem;
    width: min(520px, 100%);
    margin: 2rem auto 0;
    padding: 1rem;
    color: var(--burgundy);
    font-weight: 850;
}

.confetti-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

@keyframes floatHeart {
    0%,
    100% {
        transform: translateY(0) rotate(-6deg);
    }
    50% {
        transform: translateY(18px) rotate(5deg);
    }
}

@media (max-width: 900px) {
    .date-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    h1 {
        max-width: 13ch;
        font-size: 4rem;
    }

    h2 {
        font-size: 3.35rem;
    }

    h3 {
        font-size: 1.65rem;
    }
}

@media (max-width: 620px) {
    .screen {
        padding: 2rem 1rem;
    }

    .proposal-layout {
        align-items: end;
        padding-bottom: 3rem;
    }

    h1 {
        max-width: 12ch;
        font-size: 3.15rem;
    }

    h2 {
        font-size: 2.65rem;
    }

    h3 {
        font-size: 1.45rem;
    }

    .lead {
        font-size: 1.05rem;
    }

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

    .step-actions,
    .step-actions--split {
        display: grid;
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
    }

    #yes-button,
    .no-button {
        width: auto;
        min-width: 7.6rem;
    }

    .summary-list div {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@media (max-width: 360px) {
    h1 {
        font-size: 2.7rem;
    }

    h2 {
        font-size: 2.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }
}