/* Ivora — shared theme + nav (V3, letter-style) */

@font-face { font-family:'Fraunces'; src:url('/fonts/Fraunces.ttf?v=5') format('truetype-variations'); font-weight:100 900; font-style:normal; font-display:swap; }
@font-face { font-family:'Fraunces'; src:url('/fonts/Fraunces-Italic.ttf?v=5') format('truetype-variations'); font-weight:100 900; font-style:italic; font-display:swap; }
@font-face { font-family:'Manrope';  src:url('/fonts/Manrope.ttf?v=5')  format('truetype-variations'); font-weight:200 800; font-style:normal; font-display:swap; }
@font-face { font-family:'Caveat';   src:url('/fonts/Caveat.ttf?v=5')   format('truetype-variations'); font-weight:400 700; font-style:normal; font-display:swap; }

:root {
    --bg: #FAFAF8;
    --bg-card: #FFFFFF;
    --bg-paper: #F6F4EE;          /* faint warm cream — paper-letter feel */
    --ink: #1a1a1a;
    --ink-soft: #4a4a4a;
    --ink-faint: #9a9a98;
    --gold: #C9A96E;
    --gold-soft: rgba(201,169,110,0.35);
    --gold-glow: rgba(201,169,110,0.10);
    --gold-line: rgba(201,169,110,0.55);
    --line: rgba(26,26,26,0.08);
    --line-soft: rgba(26,26,26,0.04);
    --shadow-soft: 0 1px 2px rgba(26,26,26,0.04), 0 6px 24px rgba(26,26,26,0.04);
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Manrope', system-ui, -apple-system, sans-serif;
    --font-script: 'Caveat', cursive;
    --ease: cubic-bezier(0.23, 1, 0.32, 1);
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14141a;
        --bg-card: #1c1c22;
        --bg-paper: #1a1a20;
        --ink: #f4f1e8;
        --ink-soft: #c0bdb3;
        --ink-faint: #6e6e6e;
        --line: rgba(255,255,255,0.10);
        --line-soft: rgba(255,255,255,0.05);
        --shadow-soft: 0 1px 2px rgba(0,0,0,0.3), 0 6px 24px rgba(0,0,0,0.4);
    }
}

* { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-tap-highlight-color: transparent; touch-action: manipulation; background: var(--bg); }
html, body { min-height: 100vh; min-height: 100dvh; min-height: 100lvh; }
body {
    background: var(--bg); color: var(--ink);
    font-family: var(--font-body); font-weight: 300; line-height: 1.7;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    display: flex; flex-direction: column; min-height: 100vh;
}

/* ==== Top nav (asymmetric, light) ==== */
header.nav {
    width: 100%; padding: 1.6rem 1.6rem 0;
    display: flex; align-items: center; justify-content: space-between;
    max-width: 760px; margin: 0 auto;
}
header.nav a.brand-link {
    font-family: var(--font-display); font-weight: 400; font-size: 1.4rem;
    letter-spacing: -0.01em; color: var(--ink); text-decoration: none;
    font-variation-settings: "opsz" 60, "SOFT" 50;
}
header.nav a.brand-link .dot { color: var(--gold); }
header.nav nav { display: flex; gap: 1.5rem; }
header.nav nav a {
    font-family: var(--font-body); font-weight: 300;
    font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-soft); text-decoration: none; transition: color 0.3s var(--ease);
}
header.nav nav a:hover, header.nav nav a[aria-current="page"] { color: var(--gold); }
@media (max-width: 540px) {
    header.nav { padding: 1rem 1.2rem 0; }
    header.nav nav { gap: 1rem; }
    header.nav nav a { font-size: 0.7rem; letter-spacing: 0.12em; }
}

/* ==== Page main column — narrower than V1 (letter-feel) ==== */
main.page {
    flex: 1; width: 100%; max-width: 540px; margin: 0 auto;
    padding: 3rem 1.6rem 4rem;
    opacity: 0; animation: pageIn 0.9s var(--ease) 0.1s forwards;
}
@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Eyebrow (small label) */
main.page .eyebrow {
    font-family: var(--font-script); font-size: 1.15rem; color: var(--gold);
    margin-bottom: 0.4rem; line-height: 1;
}
/* H1 — display, can sit asymmetric */
main.page h1 {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(2rem, 5.6vw, 2.8rem); line-height: 1.12;
    letter-spacing: -0.018em; margin-bottom: 0.4rem;
    font-variation-settings: "opsz" 144, "SOFT" 50;
}
main.page .rule {
    display: block; width: 24px; height: 1px; background: var(--gold);
    margin: 1.4rem 0 2rem;
}
/* H2 — italic Fraunces, gives literary feel */
main.page h2 {
    font-family: var(--font-display); font-weight: 400; font-style: italic;
    font-size: 1.35rem; line-height: 1.35; margin: 2.6rem 0 0.8rem;
    color: var(--ink); font-variation-settings: "opsz" 36, "SOFT" 50;
}
main.page h3 {
    font-family: var(--font-body); font-weight: 600; font-size: 0.98rem;
    margin: 1.7rem 0 0.5rem; color: var(--ink); letter-spacing: -0.005em;
}
main.page p {
    font-size: 0.98rem; color: var(--ink-soft); margin-bottom: 1.1rem;
    line-height: 1.75;
}
main.page p strong { color: var(--ink); font-weight: 500; }
main.page p em { font-family: var(--font-display); font-style: italic; font-weight: 400; color: var(--ink); }
main.page ul, main.page ol { margin: 0.5rem 0 1.4rem 1.2rem; color: var(--ink-soft); }
main.page li { margin-bottom: 0.45rem; line-height: 1.7; font-size: 0.95rem; }
main.page a.inline { color: var(--ink); border-bottom: 1px solid var(--gold-soft); text-decoration: none; transition: border-color 0.3s var(--ease); }
main.page a.inline:hover { border-bottom-color: var(--gold); }

main.page blockquote {
    font-family: var(--font-display); font-style: italic; font-weight: 300;
    font-size: 1.25rem; line-height: 1.5; color: var(--ink);
    border-left: 1px solid var(--gold); padding: 0.4rem 0 0.4rem 1.4rem;
    margin: 1.8rem 0;
}

main.page .signature {
    font-family: var(--font-script); font-size: 1.15rem;
    color: var(--ink); margin-top: 2.6rem;
}

/* ==== Letter card — paper-style envelope ==== */
.letter {
    background: var(--bg-paper); padding: 2.5rem 2rem;
    border-radius: 2px; box-shadow: var(--shadow-soft);
    margin: 2rem 0;
}
.letter::before {
    content: ""; display: block; width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
    margin-bottom: 1.6rem;
}

/* ==== Buttons (consistent across pages) ==== */
.btn {
    font-family: var(--font-body); font-size: 0.85rem; font-weight: 400;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink);
    background: transparent; border: 1px solid var(--ink);
    padding: 0.95rem 1.6rem; cursor: pointer;
    transition: all 0.3s var(--ease); border-radius: 0;
    display: inline-block; text-decoration: none; text-align: center;
}
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--bg); outline: none; }
.btn.primary { background: var(--ink); color: var(--bg); }
.btn.primary:hover { background: var(--gold); border-color: var(--gold); color: var(--bg); }
.btn.ghost { border-color: var(--line); color: var(--ink-soft); }
.btn.ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink-faint); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ==== Inputs ==== */
.input {
    font-family: var(--font-body); font-size: 1rem; font-weight: 300;
    color: var(--ink); background: transparent;
    border: none; border-bottom: 1px solid var(--line);
    padding: 0.85rem 0.2rem; width: 100%;
    text-align: center; letter-spacing: 0.01em;
    transition: border-color 0.3s var(--ease);
    outline: none;
}
.input::placeholder { color: var(--ink-faint); font-weight: 300; }
.input:focus { border-bottom-color: var(--gold); }
.input.code { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.5em;
              padding-left: 0.5em; /* compensate visually */ }

/* ==== Footer ==== */
footer.foot {
    padding: 2.5rem 1.5rem max(2rem, env(safe-area-inset-bottom));
    text-align: center;
    font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-faint); border-top: 1px solid var(--line-soft);
    margin-top: auto;
}
footer.foot a { color: var(--ink-faint); text-decoration: none; transition: color 0.3s var(--ease); }
footer.foot a:hover { color: var(--gold); }
footer.foot .sep { color: var(--gold-soft); margin: 0 0.55rem; }

/* ==== Centred-stage layouts (splash, quote, onboarding) ==== */
body.stage {
    align-items: center; justify-content: center;
    padding: max(2rem, env(safe-area-inset-top)) 1.5rem max(2rem, env(safe-area-inset-bottom));
}
.stage-content {
    width: 100%; max-width: 540px; text-align: center;
    opacity: 0; animation: pageIn 1.2s var(--ease) 0.2s forwards;
}

/* ==== Subtle paper grain (optional decoration) ==== */
body.paper {
    background:
      radial-gradient(circle at 30% 20%, rgba(201,169,110,0.04), transparent 35%),
      radial-gradient(circle at 80% 90%, rgba(201,169,110,0.03), transparent 40%),
      var(--bg);
}