/* ============================================================
   Sophia Ares — a soft little visual diary
   Custom palette: warm cream, oatmeal, dusty rose, sage, muted gold
   ============================================================ */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.85rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1.0625rem, 1rem + 0.3vw, 1.18rem);
  --text-lg: clamp(1.2rem, 1rem + 0.8vw, 1.55rem);
  --text-xl: clamp(1.6rem, 1.2rem + 1.6vw, 2.5rem);
  --text-2xl: clamp(2.2rem, 1.4rem + 3vw, 3.8rem);
  --text-hero: clamp(2.8rem, 1.2rem + 6vw, 6rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;     --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;    --space-20: 5rem;   --space-24: 6rem;  --space-32: 8rem;

  --radius-sm: 0.5rem; --radius-md: 0.85rem; --radius-lg: 1.4rem;
  --radius-xl: 2rem;   --radius-full: 9999px;

  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1280px;

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Mulish', 'Helvetica Neue', sans-serif;
  --font-hand: 'Caveat', cursive;

  --transition: 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* LIGHT (default) — warm, cozy cream */
:root, [data-theme="light"] {
  --color-bg: #f6efe6;
  --color-surface: #fbf6ee;
  --color-surface-2: #fffaf3;
  --color-surface-offset: #efe5d7;
  --color-divider: #e4d8c7;
  --color-border: #ddcf bb;
  --color-border: #ddcfbb;

  --color-text: #4a3f35;
  --color-text-muted: #8a7c6c;
  --color-text-faint: #b5a895;
  --color-text-inverse: #fbf6ee;

  --color-primary: #b98a6e;       /* warm clay/terracotta */
  --color-primary-hover: #a4745a;
  --color-primary-soft: #ead9cb;

  --color-rose: #d2a3a0;          /* dusty rose accent */
  --color-rose-soft: #f0dcd9;
  --color-sage: #9aa888;          /* muted sage */
  --color-gold: #d6b272;

  --shadow-sm: 0 2px 10px rgba(120, 95, 70, 0.07);
  --shadow-md: 0 10px 30px rgba(120, 95, 70, 0.10);
  --shadow-lg: 0 24px 60px rgba(120, 95, 70, 0.14);

  --grain-opacity: 0.05;
}

/* DARK — dusky, warm twilight */
[data-theme="dark"] {
  --color-bg: #211c18;
  --color-surface: #2a2420;
  --color-surface-2: #322b26;
  --color-surface-offset: #38302a;
  --color-divider: #3d352e;
  --color-border: #463d35;

  --color-text: #ece2d6;
  --color-text-muted: #b0a293;
  --color-text-faint: #7d7165;
  --color-text-inverse: #2a2420;

  --color-primary: #d4a585;
  --color-primary-hover: #e2b596;
  --color-primary-soft: #4a3c31;

  --color-rose: #d6a6a3;
  --color-rose-soft: #463634;
  --color-sage: #aab694;
  --color-gold: #e0bd80;

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);

  --grain-opacity: 0.08;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #211c18; --color-surface: #2a2420; --color-surface-2: #322b26;
    --color-surface-offset: #38302a; --color-divider: #3d352e; --color-border: #463d35;
    --color-text: #ece2d6; --color-text-muted: #b0a293; --color-text-faint: #7d7165;
    --color-text-inverse: #2a2420; --color-primary: #d4a585; --color-primary-hover: #e2b596;
    --color-primary-soft: #4a3c31; --color-rose: #d6a6a3; --color-rose-soft: #463634;
    --color-sage: #aab694; --color-gold: #e0bd80; --grain-opacity: 0.08;
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.7;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  position: relative;
  transition: background-color var(--transition), color var(--transition);
}

/* subtle film grain overlay for that imperfect feel */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  text-wrap: balance;
  letter-spacing: -0.01em;
}
p, li { text-wrap: pretty; }

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

::selection { background: var(--color-rose-soft); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Layout helpers ---------- */
.wrap { width: min(100% - 2.5rem, var(--content-default)); margin-inline: auto; }
.wrap--narrow { width: min(100% - 2.5rem, var(--content-narrow)); margin-inline: auto; }
.wrap--wide { width: min(100% - 2.5rem, var(--content-wide)); margin-inline: auto; }
section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
}
.hand {
  font-family: var(--font-hand);
  color: var(--color-rose);
  font-size: 1.35em;
  line-height: 1;
}

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header--scrolled { border-bottom-color: var(--color-divider); box-shadow: var(--shadow-sm); }
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand__mark { color: var(--color-primary); flex-shrink: 0; }
.brand__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
  line-height: 1;
}
.brand__name span { display: block; font-family: var(--font-hand); font-size: 0.72em; color: var(--color-text-muted); letter-spacing: 0; }

.nav { display: flex; align-items: center; gap: clamp(var(--space-4), 2vw, var(--space-8)); }
.nav__links { display: flex; gap: clamp(var(--space-4), 2vw, var(--space-6)); list-style: none; }
.nav__links a {
  font-size: var(--text-sm); color: var(--color-text-muted);
  position: relative; padding-block: var(--space-1);
  transition: color var(--transition);
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--color-text); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--color-rose); transition: width var(--transition);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { width: 100%; }

.icon-btn {
  display: grid; place-items: center; width: 2.4rem; height: 2.4rem;
  border-radius: var(--radius-full); color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover { background: var(--color-surface-offset); color: var(--color-text); }

.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { background: var(--color-surface-offset); border-color: var(--color-primary); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(var(--space-12), 6vw, var(--space-20)); padding-bottom: 0; }
.hero__inner { display: grid; gap: clamp(var(--space-8), 4vw, var(--space-16)); }
.hero__intro { max-width: 40rem; }
.hero__intro .hand { display: block; font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: var(--space-2); }
.hero h1 {
  font-size: var(--text-hero);
  margin-bottom: var(--space-5);
}
.hero h1 em { font-style: italic; color: var(--color-primary); }
.hero__lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 34rem; margin-bottom: var(--space-8); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__figure {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(-1deg);
}
.hero__figure img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.hero__figure::after {
  content: ""; position: absolute; inset: 0;
  box-shadow: inset 0 0 90px rgba(120, 95, 70, 0.22);
  pointer-events: none;
}
.photo-tape {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%) rotate(2deg);
  width: 110px; height: 26px; background: color-mix(in oklab, var(--color-gold) 55%, transparent);
  z-index: 2; border-radius: 2px;
}

/* ---------- Diary / posts grid ---------- */
.section-head { margin-bottom: clamp(var(--space-8), 4vw, var(--space-12)); max-width: 38rem; }
.section-head h2 { font-size: var(--text-2xl); margin: var(--space-2) 0 var(--space-3); }
.section-head p { color: var(--color-text-muted); }

.diary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(var(--space-6), 3vw, var(--space-10));
}
.diary-grid--feature { grid-template-columns: 1.4fr 1fr; }

.post-card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--color-primary-soft); }
.post-card__media { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--transition); }
.post-card:hover .post-card__media img { transform: scale(1.04); }
.post-card__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.post-card__meta { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-xs); color: var(--color-text-faint); }
.tag {
  display: inline-block; font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-primary);
  background: var(--color-primary-soft); padding: 0.2rem 0.7rem; border-radius: var(--radius-full);
}
.post-card h3 { font-size: var(--text-lg); }
.post-card__excerpt { color: var(--color-text-muted); font-size: var(--text-sm); flex: 1; }
.post-card__more { font-size: var(--text-sm); color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.3rem; }
.post-card__more svg { transition: transform var(--transition); }
.post-card:hover .post-card__more svg { transform: translateX(4px); }

.post-card--feature { grid-row: span 2; }
.post-card--feature .post-card__media { aspect-ratio: 4/4.4; }
.post-card--feature h3 { font-size: var(--text-xl); }

/* ---------- Newsletter block ---------- */
.newsletter {
  background: linear-gradient(140deg, var(--color-rose-soft), var(--color-primary-soft));
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  text-align: center;
  position: relative; overflow: hidden;
}
.newsletter h2 { font-size: var(--text-2xl); margin-bottom: var(--space-3); }
.newsletter p { color: var(--color-text-muted); max-width: 30rem; margin: 0 auto var(--space-8); }
.newsletter__form {
  display: flex; gap: var(--space-3); max-width: 30rem; margin-inline: auto; flex-wrap: wrap;
  justify-content: center;
}
.newsletter__form input[type="email"] {
  flex: 1; min-width: 220px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.newsletter__form input[type="email"]:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.newsletter__note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); }
.newsletter__success { display: none; font-size: var(--text-lg); color: var(--color-primary); font-family: var(--font-hand); }

/* ---------- About strip ---------- */
.about-strip { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: center; }
.about-strip__figure { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); transform: rotate(1.2deg); }
.about-strip__figure img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.about-strip h2 { font-size: var(--text-2xl); margin: var(--space-2) 0 var(--space-5); }
.about-strip p { color: var(--color-text-muted); margin-bottom: var(--space-4); }

/* ---------- Article (post) ---------- */
.article-hero { padding-top: clamp(var(--space-10), 5vw, var(--space-16)); }
.article-hero__meta { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); flex-wrap: wrap; }
.article-hero h1 { font-size: var(--text-2xl); margin-bottom: var(--space-5); }
.article-hero__lede { font-size: var(--text-lg); color: var(--color-text-muted); }
.article-hero__figure { margin-top: clamp(var(--space-8), 4vw, var(--space-12)); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.article-hero__figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

.prose { font-size: var(--text-base); }
.prose > * + * { margin-top: var(--space-5); }
.prose p { color: var(--color-text); }
.prose h2 { font-size: var(--text-xl); margin-top: var(--space-12); }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-8); }
.prose blockquote {
  border-left: 3px solid var(--color-rose);
  padding-left: var(--space-6); margin-left: 0;
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--color-primary);
}
.prose figure img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.prose figcaption { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); text-align: center; }
.prose ul, .prose ol { padding-left: var(--space-6); }
.prose li + li { margin-top: var(--space-2); }

/* ---------- Transparency page ---------- */
.transp-hero { text-align: center; padding-top: clamp(var(--space-12), 6vw, var(--space-20)); }
.transp-hero h1 { font-size: var(--text-2xl); margin: var(--space-3) 0 var(--space-5); }
.transp-hero p { color: var(--color-text-muted); max-width: 38rem; margin-inline: auto; }
.transp-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-6); }
.transp-card {
  background: var(--color-surface); border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg); padding: var(--space-8);
}
.transp-card__icon { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; border-radius: var(--radius-full); background: var(--color-primary-soft); color: var(--color-primary); margin-bottom: var(--space-4); }
.transp-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.transp-card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.callout {
  background: var(--color-surface-offset); border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg); padding: clamp(var(--space-6), 3vw, var(--space-10));
}
.callout h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.callout p { color: var(--color-text-muted); }
.callout p + p { margin-top: var(--space-4); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--color-divider); padding-block: var(--space-16) var(--space-10); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-10); margin-bottom: var(--space-12); }
.footer__bio { max-width: 24rem; }
.footer__bio p { color: var(--color-text-muted); font-size: var(--text-sm); margin-top: var(--space-3); }
.footer h4 { font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a { font-size: var(--text-sm); color: var(--color-text-muted); transition: color var(--transition); }
.footer__links a:hover { color: var(--color-primary); }
.socials { display: flex; gap: var(--space-3); margin-top: var(--space-3); }
.socials a {
  width: 2.4rem; height: 2.4rem; display: grid; place-items: center;
  border-radius: var(--radius-full); border: 1px solid var(--color-border);
  color: var(--color-text-muted); transition: all var(--transition);
}
.socials a:hover { color: var(--color-text-inverse); background: var(--color-primary); border-color: var(--color-primary); transform: translateY(-2px); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding-top: var(--space-8); border-top: 1px solid var(--color-divider); flex-wrap: wrap; }
.footer__bottom p { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer__bottom a { color: var(--color-text-muted); }
.footer__bottom a:hover { color: var(--color-primary); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--transition), transform 700ms var(--transition); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (min-width: 880px) {
  .hero__inner { grid-template-columns: 1fr 1.05fr; align-items: center; }
}
@media (max-width: 880px) {
  .diary-grid--feature { grid-template-columns: 1fr; }
  .post-card--feature { grid-row: auto; }
  .post-card--feature .post-card__media { aspect-ratio: 4/3; }
  .about-strip { grid-template-columns: 1fr; }
  .about-strip__figure { max-width: 360px; margin-inline: auto; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__bio { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: var(--space-2);
    background: var(--color-surface); border-bottom: 1px solid var(--color-divider);
    padding: var(--space-5); box-shadow: var(--shadow-md);
  }
  .nav-toggle { display: grid; }
  .footer__top { grid-template-columns: 1fr; }
}