/* lupin.day — A daily field notebook
   Palette
     violet  #5B4B8A
     paper   #F2EDE3
     ink     #1B1A24
     moss    #6F7A4E
     apricot #E8B27A
*/

:root {
    --violet: #5B4B8A;
    --violet-deep: #3F315F;
    --violet-pale: #C9C0DD;
    --paper: #F2EDE3;
    --paper-deep: #E6DECE;
    --ink: #1B1A24;
    --ink-soft: #3A3744;
    --moss: #6F7A4E;
    --apricot: #E8B27A;
    --rule: rgba(27, 26, 36, 0.18);
    --rule-soft: rgba(27, 26, 36, 0.08);
    --picked: var(--violet);

    --serif: "Fraunces", "Times New Roman", Georgia, serif;
    --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 20% 10%, rgba(91, 75, 138, 0.05), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(232, 178, 122, 0.05), transparent 50%);
}

.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.28;
    mix-blend-mode: multiply;
    background-image:
        repeating-radial-gradient(circle at 12% 17%, rgba(27, 26, 36, 0.04) 0, rgba(27, 26, 36, 0.04) 0.3px, transparent 0.7px, transparent 2px),
        repeating-radial-gradient(circle at 70% 80%, rgba(27, 26, 36, 0.05) 0, rgba(27, 26, 36, 0.05) 0.3px, transparent 0.7px, transparent 3px),
        repeating-radial-gradient(circle at 40% 60%, rgba(27, 26, 36, 0.04) 0, rgba(27, 26, 36, 0.04) 0.4px, transparent 0.9px, transparent 4px);
}

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

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
}

em { font-style: italic; }

.visually { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Masthead ---------- */
.masthead {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--paper);
    backdrop-filter: blur(6px);
}

.masthead-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 22px 48px 18px;
    gap: 32px;
    max-width: 1640px;
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 32px;
    height: 42px;
    display: inline-block;
    color: var(--violet);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.brand-mark svg {
    width: 100%;
    height: 100%;
    display: block;
}

.lupin-glyph ellipse {
    fill: currentColor;
    opacity: 0.85;
}

.lupin-glyph ellipse:nth-child(odd) { opacity: 0.7; }
.lupin-glyph path { stroke: currentColor; opacity: 0.65; }

.brand-mark.spin { transform: rotate(360deg); }

.brand-name {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 26px;
    letter-spacing: -0.02em;
    font-style: italic;
}

.brand-dot { color: var(--apricot); font-style: normal; }

.nav {
    display: flex;
    gap: 28px;
    justify-self: center;
}

.nav-link {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
    padding: 6px 2px;
    border-bottom: 1px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--ink);
    border-bottom-color: var(--picked);
}

.meta-clock {
    justify-self: end;
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--mono);
    font-size: 12px;
}

.clock-label {
    color: var(--ink-soft);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.clock-time {
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.rule {
    height: 1px;
    background: var(--rule);
    max-width: 1640px;
    margin: 0 auto;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 90px 48px 40px;
    max-width: 1640px;
    margin: 0 auto;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 56px;
    align-items: start;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--rule);
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding-top: 12px;
}

.datestamp {
    border: 1px solid var(--ink);
    padding: 12px 14px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 4px 14px;
    background: var(--paper-deep);
    box-shadow: 6px 6px 0 var(--ink);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}

.datestamp:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--ink);
}

.datestamp-day {
    grid-column: 1 / -1;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.datestamp-num {
    font-family: var(--serif);
    font-weight: 300;
    font-size: 64px;
    line-height: 0.95;
    grid-row: 2;
    grid-column: 1;
    align-self: end;
}

.datestamp-mo,
.datestamp-yr {
    font-family: var(--serif);
    font-style: italic;
    font-size: 18px;
}

.datestamp-mo { align-self: end; line-height: 1; }
.datestamp-yr {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
    margin-top: 2px;
    color: var(--ink-soft);
    font-size: 14px;
}

.weather {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 8px 0;
    border-top: 1px dashed var(--rule);
    font-size: 14px;
}

.weather:first-of-type { border-top: 0; }

.weather-key {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-soft);
    min-width: 56px;
}

.weather-val {
    font-family: var(--serif);
    font-style: italic;
    font-size: 16px;
}

.hero-center {
    text-align: left;
}

.kicker {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin: 0 0 24px;
}

.display {
    margin: 0 0 32px;
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(48px, 7.4vw, 124px);
    line-height: 0.96;
    letter-spacing: -0.02em;
}

.display .line {
    display: block;
    overflow: hidden;
}

.display em {
    font-style: italic;
    color: var(--violet);
    font-weight: 400;
}

.display .line-2 { padding-left: 1.6em; }
.display .line-3 { padding-left: 0.4em; color: var(--ink-soft); }

.standfirst {
    max-width: 560px;
    font-size: 17px;
    line-height: 1.65;
    color: var(--ink-soft);
    margin: 0 0 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
    padding: 14px 26px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--ink);
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.btn-primary:hover {
    background: var(--picked);
    color: var(--paper);
    transform: translateY(-2px);
    border-color: var(--picked);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px 14px 22px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink);
    border: 1px solid var(--rule);
    transition: border-color 0.3s ease, color 0.3s ease;
}

.btn-ghost:hover { border-color: var(--ink); }

.hear-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--apricot);
    box-shadow: 0 0 0 0 rgba(232, 178, 122, 0.7);
    animation: pulse 2.4s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(232, 178, 122, 0.7); }
    70% { box-shadow: 0 0 0 12px rgba(232, 178, 122, 0); }
    100% { box-shadow: 0 0 0 0 rgba(232, 178, 122, 0); }
}

.hero-right {
    position: relative;
    padding-top: 4px;
}

.lupin-stack {
    position: relative;
    width: 100%;
    aspect-ratio: 0.62;
    max-width: 240px;
    margin-left: auto;
}

.petal {
    position: absolute;
    width: 70%;
    height: 14%;
    background: var(--violet);
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.4s ease;
}

.petal::before {
    content: "";
    position: absolute;
    top: 14%;
    left: 12%;
    right: 12%;
    bottom: 14%;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    filter: blur(1px);
}

.lupin-stack .p1 { top: 0%;  width: 56%; background: var(--violet-deep); }
.lupin-stack .p2 { top: 8%;  width: 64%; }
.lupin-stack .p3 { top: 18%; width: 72%; }
.lupin-stack .p4 { top: 28%; width: 78%; background: #6E5BA8; }
.lupin-stack .p5 { top: 38%; width: 76%; background: #8772C6; }
.lupin-stack .p6 { top: 48%; width: 70%; background: #A091D6; }
.lupin-stack .p7 { top: 58%; width: 60%; background: var(--violet-pale); }

.lupin-stack:hover .petal { transform: translateX(calc(-50% + 4px)); }
.lupin-stack:hover .p1 { transform: translateX(calc(-50% - 6px)) rotate(-2deg); }
.lupin-stack:hover .p3 { transform: translateX(calc(-50% + 6px)) rotate(2deg); }
.lupin-stack:hover .p5 { transform: translateX(calc(-50% - 5px)) rotate(-1deg); }
.lupin-stack:hover .p7 { transform: translateX(calc(-50% + 5px)) rotate(1deg); }

.stem {
    position: absolute;
    left: 50%;
    top: 68%;
    width: 3px;
    height: 32%;
    background: var(--moss);
    transform: translateX(-50%);
    border-radius: 2px;
}

.stem::before,
.stem::after {
    content: "";
    position: absolute;
    width: 32px;
    height: 14px;
    background: var(--moss);
    border-radius: 50% 0 50% 0;
    top: 30%;
}
.stem::before { left: -32px; transform: rotate(-18deg); }
.stem::after  { left: 4px;   transform: rotate(162deg); }

.caption {
    margin-top: 24px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 240px;
    margin-left: auto;
    text-align: right;
}

.cap-num {
    font-family: var(--mono);
    font-style: normal;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink);
    margin-right: 6px;
}

/* ---------- Ticker ---------- */
.ticker {
    margin-top: 28px;
    overflow: hidden;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 14px 0;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.ticker-track {
    display: inline-flex;
    gap: 22px;
    white-space: nowrap;
    animation: tick 38s linear infinite;
    padding-left: 0;
}

.ticker-item { display: inline-block; }
.ticker-sep { color: var(--violet); }

@keyframes tick {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ---------- Section heads ---------- */
.section-head {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 24px 36px;
    padding: 80px 48px 32px;
    max-width: 1640px;
    margin: 0 auto;
    align-items: baseline;
}

.section-num {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--violet);
    align-self: start;
    padding-top: 14px;
}

.section-title {
    margin: 0;
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(36px, 5vw, 72px);
    line-height: 1;
    letter-spacing: -0.02em;
}

.section-sub {
    grid-column: 2;
    margin: 0;
    max-width: 580px;
    color: var(--ink-soft);
    font-size: 16px;
    font-family: var(--serif);
    font-style: italic;
}

/* ---------- Field cards ---------- */
.field { padding: 0 0 60px; }

.field-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    max-width: 1640px;
    margin: 0 auto;
    padding: 0 48px;
}

.field-card {
    position: relative;
    padding: 36px 28px 32px;
    border-right: 1px solid var(--rule);
    transition: background 0.4s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.field-card:last-child { border-right: 0; }
.field-card:hover { background: var(--paper-deep); }

.field-card.wide {
    grid-column: span 1;
    background: var(--ink);
    color: var(--paper);
    border-right: 0;
}

.field-card.wide:hover { background: var(--ink-soft); }
.field-card.wide .card-corner { color: var(--apricot); }
.field-card.wide .tag { color: var(--apricot); border-color: var(--apricot); }
.field-card.wide .card-time { color: rgba(242, 237, 227, 0.6); }
.field-card.wide em { color: var(--apricot); }

.card-corner {
    position: absolute;
    top: 14px;
    right: 18px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--violet);
}

.tag {
    align-self: flex-start;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--violet);
    border: 1px solid var(--violet);
    padding: 3px 9px;
    border-radius: 999px;
}

.card-title {
    margin: 0;
    font-family: var(--serif);
    font-weight: 400;
    font-size: 22px;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.card-title em { color: var(--violet); }

.field-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.6;
}

.field-card.wide p { color: rgba(242, 237, 227, 0.78); }

.card-time {
    margin-top: auto;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--ink-soft);
    padding-top: 10px;
    border-top: 1px dashed var(--rule);
}

/* ---------- Almanac ---------- */
.almanac { padding: 0 0 60px; }

.almanac-list {
    list-style: none;
    margin: 0 auto;
    padding: 0 48px;
    max-width: 1640px;
    border-top: 1px solid var(--ink);
}

.alm-row {
    display: grid;
    grid-template-columns: 80px 80px 1fr 60px;
    align-items: center;
    gap: 28px;
    padding: 22px 0;
    border-bottom: 1px solid var(--rule);
    cursor: pointer;
    transition: background 0.3s ease, padding 0.3s ease;
}

.alm-row:hover {
    background: var(--paper-deep);
    padding-left: 16px;
    padding-right: 16px;
}

.alm-day {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--violet);
}

.alm-date {
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
}

.alm-task {
    font-family: var(--serif);
    font-size: 19px;
    font-style: italic;
    color: var(--ink);
    line-height: 1.4;
    transition: text-decoration-color 0.3s ease, color 0.3s ease;
}

.alm-tick {
    width: 28px;
    height: 28px;
    border: 1.5px solid var(--ink);
    border-radius: 50%;
    justify-self: end;
    position: relative;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.alm-row.is-done .alm-tick {
    background: var(--violet);
    border-color: var(--violet);
}

.alm-row.is-done .alm-tick::after {
    content: "";
    position: absolute;
    inset: 6px 7px;
    border-bottom: 2px solid var(--paper);
    border-right: 2px solid var(--paper);
    transform: rotate(45deg) translate(-1px, -2px);
    width: 8px;
    height: 14px;
}

.alm-row.is-done .alm-task {
    color: var(--ink-soft);
    text-decoration: line-through;
    text-decoration-color: var(--violet);
    text-decoration-thickness: 1px;
}

/* ---------- Palette ---------- */
.palette-section { padding: 0 0 80px; }

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    max-width: 1640px;
    margin: 0 auto;
    padding: 0;
}

.swatch {
    display: flex;
    flex-direction: column;
    text-align: left;
    border-right: 1px solid var(--rule);
    padding: 0;
    transition: transform 0.4s ease;
    overflow: hidden;
}

.swatch:last-child { border-right: 0; }
.swatch:hover { transform: translateY(-4px); }
.swatch.is-picked .swatch-block { height: 240px; }
.swatch.is-picked .swatch-name { color: var(--violet); }

.swatch-block {
    background: var(--c);
    height: 200px;
    transition: height 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-bottom: 1px solid var(--rule);
}

.swatch-text {
    padding: 18px 24px 24px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
}

.swatch-name {
    font-family: var(--serif);
    font-size: 17px;
    font-style: italic;
    transition: color 0.3s ease;
}

.swatch-hex {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--ink-soft);
}

.palette-now {
    max-width: 1640px;
    margin: 32px auto 0;
    padding: 0 48px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.palette-label { margin-right: 14px; }

.palette-pick {
    color: var(--ink);
    font-family: var(--mono);
    border-bottom: 2px solid var(--picked);
    padding-bottom: 2px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

/* ---------- Archive ---------- */
.archive { padding: 0 0 80px; }

.archive-list {
    list-style: none;
    margin: 0 auto;
    padding: 0 48px;
    max-width: 1640px;
    border-top: 1px solid var(--ink);
}

.archive-list li {
    display: grid;
    grid-template-columns: 70px 100px 1fr 60px;
    align-items: baseline;
    gap: 28px;
    padding: 18px 0;
    border-bottom: 1px solid var(--rule);
    transition: padding 0.3s ease, background 0.3s ease;
    cursor: pointer;
}

.archive-list li:hover {
    background: var(--paper-deep);
    padding-left: 14px;
}

.ar-num {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--violet);
    letter-spacing: 0.12em;
}

.ar-date {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.ar-title {
    font-family: var(--serif);
    font-size: 19px;
    line-height: 1.4;
}

.ar-title em { color: var(--violet); font-style: italic; }

.ar-len {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-soft);
    text-align: right;
    letter-spacing: 0.12em;
}

/* ---------- Letter ---------- */
.letter {
    padding: 60px 48px 100px;
    max-width: 1640px;
    margin: 0 auto;
}

.letter-card {
    position: relative;
    background: var(--ink);
    color: var(--paper);
    padding: 80px 72px 64px;
    max-width: 880px;
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 12px 12px 0 var(--violet);
    overflow: hidden;
}

.letter-card::before {
    content: "";
    position: absolute;
    top: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--violet) 0, var(--violet) 60%, transparent 60%);
    opacity: 0.4;
}

.letter-stamp {
    position: absolute;
    top: 28px;
    right: 28px;
    width: 80px;
    height: 92px;
    border: 2px dashed var(--apricot);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    transform: rotate(6deg);
    transition: transform 0.4s ease;
}

.letter-card:hover .letter-stamp { transform: rotate(-4deg) scale(1.04); }

.stamp-num {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 300;
    color: var(--apricot);
    line-height: 1;
}

.stamp-label {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--apricot);
}

.letter-title {
    margin: 0 0 24px;
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.015em;
    max-width: 640px;
}

.letter-body {
    margin: 0 0 36px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 19px;
    line-height: 1.55;
    color: rgba(242, 237, 227, 0.78);
    max-width: 600px;
}

.letter-form {
    display: flex;
    gap: 0;
    max-width: 540px;
    border: 1px solid rgba(242, 237, 227, 0.35);
    transition: border-color 0.3s ease;
}

.letter-form:focus-within { border-color: var(--apricot); }

.letter-form input {
    flex: 1;
    background: transparent;
    border: 0;
    color: var(--paper);
    padding: 18px 22px;
    font-family: var(--serif);
    font-size: 16px;
    font-style: italic;
    outline: none;
}

.letter-form input::placeholder { color: rgba(242, 237, 227, 0.35); }

.letter-btn {
    border: 0;
    background: var(--apricot);
    color: var(--ink);
    padding: 0 28px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s ease;
}

.letter-btn:hover { background: var(--paper); }

.btn-arrow {
    transition: transform 0.3s ease;
}

.letter-btn:hover .btn-arrow { transform: translateX(4px); }

.letter-fine {
    margin: 24px 0 0;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(242, 237, 227, 0.5);
    max-width: 540px;
}

.letter-success {
    margin: 24px 0 0;
    font-family: var(--serif);
    font-style: italic;
    font-size: 17px;
    color: var(--apricot);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.5s ease, max-height 0.5s ease, margin 0.5s ease;
}

.letter-card.is-sent .letter-success {
    opacity: 1;
    max-height: 80px;
    margin-top: 24px;
}

.letter-card.is-sent .letter-form { opacity: 0.4; pointer-events: none; }

/* ---------- Footer ---------- */
.foot {
    padding: 0 48px 60px;
    max-width: 1640px;
    margin: 0 auto;
}

.foot-rule {
    height: 1px;
    background: var(--ink);
    margin-bottom: 40px;
}

.foot-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.foot-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.foot-key {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.foot-val {
    font-family: var(--serif);
    font-style: italic;
    font-size: 17px;
}

.colophon {
    margin: 0;
    max-width: 720px;
    font-family: var(--serif);
    font-style: italic;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.5;
    border-top: 1px dashed var(--rule);
    padding-top: 24px;
}

/* ---------- Reveal animation ---------- */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.is-in {
    opacity: 1;
    transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-right { order: 3; }
    .hero-left { order: 2; flex-direction: row; flex-wrap: wrap; align-items: stretch; }
    .hero-left .datestamp { flex: 0 0 auto; }
    .hero-left .weather { flex: 1 1 220px; padding: 12px 16px; border: 1px solid var(--rule); border-top: 1px solid var(--rule); }
    .lupin-stack { max-width: 200px; margin: 0 auto; }
    .caption { text-align: center; margin: 18px auto 0; }

    .field-grid { grid-template-columns: repeat(2, 1fr); }
    .field-card { border-bottom: 1px solid var(--rule); }
    .field-card:nth-child(2n) { border-right: 0; }
    .field-card:nth-last-child(-n+2) { border-bottom: 0; }

    .palette-grid { grid-template-columns: repeat(2, 1fr); }
    .swatch { border-bottom: 1px solid var(--rule); }
    .swatch:nth-child(2n) { border-right: 0; }
    .swatch:last-child { border-right: 0; }

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

@media (max-width: 720px) {
    .masthead-inner { grid-template-columns: 1fr; padding: 18px 24px; gap: 14px; text-align: left; }
    .nav { justify-self: start; flex-wrap: wrap; gap: 14px; }
    .meta-clock { justify-self: start; }

    .hero { padding: 48px 24px 24px; }
    .display { font-size: clamp(38px, 11vw, 72px); }
    .display .line-2 { padding-left: 0.6em; }

    .section-head { grid-template-columns: 1fr; padding: 56px 24px 24px; gap: 12px; }
    .section-num { padding-top: 0; }
    .section-sub { grid-column: 1; }

    .field-grid { grid-template-columns: 1fr; padding: 0 24px; }
    .field-card { border-right: 0 !important; border-bottom: 1px solid var(--rule); }
    .field-card:last-child { border-bottom: 0; }

    .almanac-list, .archive-list { padding: 0 24px; }
    .alm-row { grid-template-columns: 60px 60px 1fr 32px; gap: 14px; }
    .alm-task { font-size: 16px; }
    .archive-list li { grid-template-columns: 60px 80px 1fr; gap: 14px; }
    .ar-len { display: none; }

    .palette-grid { grid-template-columns: 1fr; }
    .swatch { border-right: 0; }

    .letter { padding: 40px 24px 80px; }
    .letter-card { padding: 60px 28px 36px; }
    .letter-stamp { width: 60px; height: 70px; top: 16px; right: 16px; }
    .letter-form { flex-direction: column; }
    .letter-btn { padding: 16px 24px; justify-content: center; }

    .foot { padding: 0 24px 40px; }
    .foot-grid { grid-template-columns: repeat(2, 1fr); }
}