/* ── Variables ────────────────────────────────────────────── */
:root {
    --color-bg: #F9F6F1;
    --color-surface: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-muted: #6B6560;
    --color-accent: #C4956A;
    --color-border: #E8E2DA;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    --max-width: 860px;
    --transition: 0.3s ease;
}

/* ── Reset ────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

/* ── Base Typography ──────────────────────────────────────── */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
}

p {
    color: var(--color-text-muted);
    max-width: 60ch;
}

/* ── Utility ──────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    background-color: transparent;
    transition: background-color var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
    background-color: rgba(249, 246, 241, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    letter-spacing: 0.05em;
}

.nav__links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__links a {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.nav__links a:hover {
    color: var(--color-text);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    width: 100%;
}

.footer__inner {
    width: fit-content;
    margin: 0 auto;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
    position: relative;
    height: 100vh;
    height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero__image-wrap {
    position: absolute;
    inset: 0;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0.15) 0%,
            rgba(0, 0, 0, 0.45) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.hero__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    max-width: unset;
}

.hero__title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 300;
    line-height: 1.1;
}

.hero__title em {
    font-style: italic;
    opacity: 0.85;
}

.hero__cta {
    margin-top: var(--spacing-sm);
    padding: 0.75rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #FFFFFF;
    transition: background-color var(--transition), border-color var(--transition);
}

.hero__cta:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #FFFFFF;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ── Journey Page ─────────────────────────────────────────── */
.journey-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-bottom: 0;
}

.journey-header__eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    max-width: unset;
}

/* ── Day Section ──────────────────────────────────────────── */
.day {
    padding: var(--spacing-xl) 0;
}

.day__title {
    font-family: var(--font-heading);
    font-weight: 400;
}

.day__text {
    margin-bottom: var(--spacing-lg);
    max-width: 65ch;
}

/* ── Day Image Grid ───────────────────────────────────────── */
.day__grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, 1fr);
    /* default */
}

.day__grid[data-count="1"] {
    grid-template-columns: 1fr;
    max-width: 600px;
}

.day__grid[data-count="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.day__grid[data-count="4"] {
    grid-template-columns: repeat(2, 1fr);
}

.day__grid[data-count="5"],
.day__grid[data-count="6"] {
    grid-template-columns: repeat(3, 1fr);
}

.day__figure {
    margin: 0;
    overflow: hidden;
    border-radius: 2px;
    aspect-ratio: 4 / 3;
    background-color: var(--color-border);
    /* placeholder colour */
}

.day__figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.day__figure:hover img {
    transform: scale(1.03);
}

/* ── Divider ──────────────────────────────────────────────── */
.day-divider {
    border: none;
    border-top: 1px solid var(--color-border);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {

    .day__grid,
    .day__grid[data-count="3"],
    .day__grid[data-count="5"],
    .day__grid[data-count="6"] {
        grid-template-columns: repeat(2, 1fr);
    }

    .day__grid[data-count="1"] {
        grid-template-columns: 1fr;
    }
}

/* ── Journey Index ────────────────────────────────────────── */
.journey-header__intro {
    margin-top: var(--spacing-md);
    font-size: 1.1rem;
    font-style: italic;
    font-family: var(--font-heading);
    color: var(--color-text-muted);
}

.day-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.day-card {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition);
}

.day-card:first-child {
    border-top: 1px solid var(--color-border);
}

.day-card:hover {
    color: var(--color-accent);
}

.day-card__label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    min-width: 4rem;
}

.day-card__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

/* ── Day Page Header ──────────────────────────────────────── */
.day-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.day-header__label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.day-header__title {
    font-family: var(--font-heading);
    font-weight: 400;
}

/* ── Day Bottom Nav ───────────────────────────────────────── */
.day-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.day-nav__back {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.day-nav__back:hover {
    color: var(--color-text);
}

.day-nav__next {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.day-nav__next:hover {
    color: var(--color-accent);
}

.day-nav__next-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-text);
}

@media (max-width: 600px) {
    .day-nav {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* ── Gallery Grid ─────────────────────────────────────────── */
.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: var(--spacing-lg);
}

.gallery__figure {
    margin: 0;
    overflow: hidden;
    border-radius: 2px;
    aspect-ratio: 4 / 3;
    background-color: var(--color-border);
    cursor: pointer;
}

.gallery__figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery__figure:hover img {
    transform: scale(1.03);
}

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    background: rgba(0, 0, 0, 0.92);
    border: none;
    padding: var(--spacing-lg);
}

/* Only apply flex layout when open */
.lightbox[open] {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox::backdrop {
    background: transparent;
}

.lightbox__figure {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 90vw;
    max-height: 90vh;
    margin: 0;
}

.lightbox__image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 2px;
}

.lightbox__caption {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: fixed;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 1.5rem;
    padding: var(--spacing-md);
    transition: color var(--transition);
    line-height: 1;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    color: #ffffff;
}

.lightbox__close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox__prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
}

.lightbox__next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
}

/* ── Gallery Responsive ───────────────────────────────────── */
@media (max-width: 600px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lightbox__prev,
    .lightbox__next {
        font-size: 1.8rem;
    }
}

/* ── Secret Link ──────────────────────────────────────────── */
.secret-link {
    display: block;
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-border);
    font-size: 1rem;
    transition: color 0.6s ease;
}

.secret-link:hover {
    color: var(--color-accent);
}

/* ── Secret / Letter Page ─────────────────────────────────── */
.letter {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
    animation: fadeIn 1.2s ease forwards;
}

.letter__header {
    margin-bottom: var(--spacing-xl);
}

.letter__eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    max-width: unset;
}

.letter__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    font-style: italic;
}

.letter__body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.letter__body p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-text);
    max-width: unset;
}

.letter__footer {
    margin-top: var(--spacing-xl);
}

.letter__sign {
    color: var(--color-text-muted);
    font-style: italic;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    max-width: unset;
}

.letter__name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-top: var(--spacing-xs);
    max-width: unset;
}

/* ── Fade In Animation ────────────────────────────────────── */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

/* ── Hero Footer ──────────────────────────────────────────── */
.hero__footer {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    z-index: 1;
}

.hero__made-with {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.1em;
    max-width: unset;
}

/* ── Update secret link for hero context ──────────────────── */
.hero__footer .secret-link {
    color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs);
}

.hero__footer .secret-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ── Nav light variant (for dark hero backgrounds) ────────── */
.nav--light .nav__logo,
.nav--light .nav__links a {
    color: rgba(255, 255, 255, 0.85);
}

.nav--light .nav__links a:hover {
    color: #ffffff;
}

[data-include] {
    display: block;
    width: 100%;
}

/* ── Page Transitions ─────────────────────────────────────── */
body {
    animation: fadeIn 0.4s ease forwards;
}

body.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(-8px);
    }
}