/* ── Light theme (default) ─────────────────── */
[data-theme="light"] {
  --bg:          #f7f9f8;
  --surface:     #ffffff;
  --surface-2:   #f2f4f3;
  --border:      #dce4e4;
  --border-2:    #b0c4c2;
  --ink:         #233548;
  --muted:       #667783;
  --dim:         #8a9ba6;

  --accent:      #176d69;
  --accent-dark: #0b5753;
  --teal:        #176d69;
  --teal-dark:   #0b5753;
  --peach:       #e7a472;
  --pink:        #e06080;
  --amber:       #f9ca78;
  --cyan:        #1999b5;

  --pale-teal:   #e6f3ee;
  --pale-accent: rgba(23, 109, 105, .10);
}

/* ── Dark theme (Plotly Dark palette) ─────── */
[data-theme="dark"] {
  --bg:          rgb(17, 17, 17);
  --surface:     rgb(26, 26, 36);
  --surface-2:   rgb(34, 38, 54);
  --border:      #283442;
  --border-2:    #506784;
  --ink:         #f2f5fa;
  --muted:       #a0aec0;
  --dim:         #768799;

  --accent:      #636efa;
  --accent-dark: #4a52d0;
  --teal:        #00cc96;
  --teal-dark:   #00a87d;
  --peach:       #7dd3fc;
  --pink:        #FF6692;
  --amber:       #FECB52;
  --cyan:        #19d3f3;

  --pale-teal:   rgba(0, 204, 150, .12);
  --pale-accent: rgba(99, 110, 250, .12);
}

/* ── Reset ────────────────────────────────── */
@font-face {
  font-family: "Font Awesome 6 Free";
  font-style: normal;
  font-weight: 900;
  font-display: block;
  src: url("webfonts/fa-solid-900.woff2") format("woff2");
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
  transition: background .25s, color .25s;
}
a { color: var(--teal); }
a:hover { text-decoration: underline; }
.shell { max-width: 1120px; margin: 0 auto; padding: 0 34px; }
.skip-link { position: absolute; top: -120px; left: 20px; padding: 8px 12px; background: var(--surface); z-index: 5; }
.skip-link:focus { top: 15px; }

/* ── Header ───────────────────────────────── */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 760; white-space: nowrap; transition: color .2s; }
.brand:hover { text-decoration: none; color: var(--teal); }
.brand-mark { color: white; background: var(--teal); width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-size: 19px; font-weight: 800; }
.brand-separator, .brand-secondary { color: var(--dim); font-weight: 400; }
.site-header nav { display: flex; align-items: center; gap: 14px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .2s; }
.site-header nav a:hover { color: var(--teal); }

/* ── Theme Toggle Button ─────────────────── */
.theme-toggle {
  width: 25px;
  height: 25px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}
.theme-toggle:hover { color: var(--teal); }
.theme-toggle:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.theme-icon { font-family: "Font Awesome 6 Free"; font-style: normal; font-weight: 900; }
.theme-icon::before { content: "\f185"; }
[data-theme="dark"] .theme-icon::before { content: "\f186"; }

/* ── Footer / Main ────────────────────────── */
main { padding-top: 48px; padding-bottom: 75px; }
.site-footer { border-top: 1px solid var(--border); padding: 25px 0 40px; display: flex; gap: 20px; justify-content: space-between; font-size: 12px; color: var(--dim); }

/* ── Typography ───────────────────────────── */
.eyebrow { font-size: 11px; font-weight: 830; letter-spacing: .13em; text-transform: uppercase; color: var(--teal); }
h1,h2,h3 { color: var(--ink); }
h1 { font-weight: 790; line-height: 1.11; letter-spacing: -.055em; font-size: clamp(34px, 5.8vw, 61px); margin: 17px 0 21px; }
h2 { font-size: clamp(26px, 3.5vw, 35px); font-weight: 790; line-height: 1.2; letter-spacing: -.035em; margin: 10px 0 15px; }
h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; margin: 4px 0 17px; }
p { margin: 0 0 15px; }
.lead { font-size: 17px; line-height: 1.78; max-width: 610px; color: var(--muted); }
.narrow { max-width: 720px; }
.demo-banner { border: 1px solid var(--border-2); background: var(--pale-accent); color: var(--amber); font-size: 13px; border-radius: 10px; padding: 11px 16px; margin-bottom: 26px; }
.pill { display: inline-block; margin-top: 15px; padding: 5px 12px; border-radius: 999px; background: var(--pale-teal); color: var(--teal); font-size: 12px; font-weight: 730; border: 1px solid rgba(0,0,0,.07); }

/* ── Hero ─────────────────────────────────── */
.hero { display: grid; grid-template-columns: 1.26fr .84fr; gap: 58px; align-items: center; padding: 25px 0 72px; }
.hero h1 { margin-top: 13px; }
.name-accent { color: var(--accent); }
.period { color: var(--peach); }
.hero-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px 22px; margin: 28px 0 31px; }
.hero-facts > div { border-left: 2px solid var(--border-2); padding-left: 13px; }
.hero-facts span { display: block; font-size: 11px; font-weight: 720; color: var(--dim); letter-spacing: .07em; text-transform: uppercase; margin-bottom: 4px; }
.hero-facts strong { color: var(--ink); display: block; font-size: 13px; font-weight: 680; line-height: 1.48; }
.primary-link { text-decoration: none; display: inline-flex; align-items: center; gap: 14px; border-radius: 9px; background: var(--accent); padding: 12px 18px; color: white; font-size: 14px; font-weight: 710; box-shadow: 0 8px 24px var(--pale-accent); transition: background .2s, box-shadow .2s; }
.primary-link:hover { background: var(--accent-dark); text-decoration: none; }

/* ── Postcard visual ──────────────────────── */
.hero-visual { position: relative; min-height: 400px; display: grid; place-items: center; }
.postcard { position: relative; overflow: hidden; width: 100%; min-height: 393px; border-radius: 24px; background: var(--surface); box-shadow: 0 20px 50px rgba(0,0,0,.12); border: 8px solid var(--surface-2); transform: rotate(2deg); transition: background .25s, border-color .25s; }
.postcard-top { position: relative; z-index: 1; display: flex; justify-content: space-between; padding: 15px 18px 0; font-size: 10px; font-weight: 780; letter-spacing: .12em; color: var(--teal); }
[data-theme="light"] .scene { position: absolute; inset: 42px 0 60px; overflow: hidden; background: linear-gradient(180deg, #b4d8d0, #e7ecd9); }
[data-theme="dark"]  .scene { position: absolute; inset: 42px 0 60px; overflow: hidden; background: linear-gradient(180deg, #0d1b2a, #1a2a3a); }
[data-theme="light"] .scene-sun { position: absolute; top: 14%; right: 22%; width: 110px; height: 110px; border-radius: 50%; background: #f8cf87; box-shadow: 0 0 0 15px rgba(255,242,210,.32); }
[data-theme="dark"]  .scene-sun { position: absolute; top: 14%; right: 22%; width: 110px; height: 110px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 15px rgba(99,110,250,.18), 0 0 60px rgba(99,110,250,.4); }
.scene-cloud { position: absolute; height: 20px; border-radius: 40px; }
[data-theme="light"] .scene-cloud { background: rgba(255,255,255,.63); }
[data-theme="dark"]  .scene-cloud { background: rgba(255,255,255,.07); }
.cloud-one { width: 74px; left: 13%; top: 25%; }
.cloud-two { width: 45px; right: 10%; top: 14%; }
.scene-hill { position: absolute; bottom: -38%; width: 130%; height: 65%; border-radius: 45% 55% 0 0; }
[data-theme="light"] .hill-back { background: #82b6a5; left: -45%; transform: rotate(9deg); }
[data-theme="dark"]  .hill-back { background: #1a3a3a; left: -45%; transform: rotate(9deg); }
[data-theme="light"] .hill-front { background: #34786b; right: -41%; bottom: -53%; transform: rotate(-11deg); }
[data-theme="dark"]  .hill-front { background: var(--teal-dark); right: -41%; bottom: -53%; transform: rotate(-11deg); opacity: .7; }
.scene-tower { position: absolute; bottom: 14%; right: 25%; width: 21px; height: 130px; transform: skew(-5deg); clip-path: polygon(39% 0, 61% 0, 70% 19%, 90% 19%, 78% 42%, 100% 50%, 76% 50%, 70% 100%, 27% 100%, 20% 50%, 0 50%, 21% 41%, 11% 19%, 31% 19%); }
[data-theme="light"] .scene-tower { background: rgba(47, 94, 94, .72); }
[data-theme="dark"]  .scene-tower { background: rgba(0, 204, 150, .5); }
.postcard-message { position: relative; z-index: 1; font-weight: 780; font-size: clamp(27px, 3.2vw, 39px); letter-spacing: -.05em; line-height: 1.25; color: var(--ink); padding: 92px 28px 25px; }
[data-theme="light"] .postcard-message { text-shadow: 0 1px 8px #ffffff7d; }
[data-theme="light"] .postcard-message em { font-style: normal; color: #163e40; }
[data-theme="dark"]  .postcard-message em { font-style: normal; color: var(--teal); }
[data-theme="light"] .postcard-bottom { position: absolute; bottom: 0; width: 100%; text-align: center; padding: 17px 5px 14px; font-size: 11px; font-weight: 790; letter-spacing: .16em; color: #38766b; background: #e2eae5; }
[data-theme="dark"]  .postcard-bottom { position: absolute; bottom: 0; width: 100%; text-align: center; padding: 17px 5px 14px; font-size: 11px; font-weight: 790; letter-spacing: .16em; color: var(--dim); background: rgba(17,17,17,.8); backdrop-filter: blur(4px); }
[data-theme="light"] .postcard-bottom span { font-size: 12px; padding: 0 5px; color: #d78e56; }
[data-theme="dark"]  .postcard-bottom span { font-size: 12px; padding: 0 5px; color: var(--peach); }

/* ── Journey section ──────────────────────── */
.journey-section { border-top: 1px solid var(--border); padding: 57px 0 52px; }
.section-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 48px; align-items: end; margin-bottom: 32px; }
.section-intro p { font-size: 14px; max-width: 390px; line-height: 1.75; color: var(--muted); }
.monthly-stories { position: relative; display: grid; gap: 22px; }
.month-card { display: grid; grid-template-columns: 34% 1fr; gap: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 19px; overflow: hidden; box-shadow: 0 5px 16px rgba(0,0,0,.06); transition: background .25s, border-color .25s, box-shadow .25s; }
.month-card:hover { border-color: var(--border-2); }
.month-photo { position: relative; overflow: hidden; min-height: 360px; }
[data-theme="light"] .month-photo { background: linear-gradient(145deg, #d7e9dd, #b1d1c0); }
[data-theme="dark"]  .month-photo { background: linear-gradient(145deg, #0d1b2a, #1a2a3a); }
.month-photo > img { display: block; width: 100%; height: 100%; object-fit: cover; position: absolute; }
.photo-number { position: absolute; z-index: 3; left: 17px; top: 16px; border-radius: 7px; font-size: 11px; font-weight: 760; letter-spacing: .09em; padding: 7px 10px; }
[data-theme="light"] .photo-number { background: rgba(255,254,243,.92); color: #345855; }
[data-theme="dark"]  .photo-number { background: rgba(17,17,17,.75); backdrop-filter: blur(6px); color: var(--teal); border: 1px solid rgba(0,204,150,.25); }
.sample-sticker { position: absolute; z-index: 3; bottom: 18px; left: 17px; font-size: 10px; font-weight: 800; border-radius: 7px; padding: 7px 10px; letter-spacing: .06em; }
[data-theme="light"] .sample-sticker { background: #fff7e9; color: #8a6128; }
[data-theme="dark"]  .sample-sticker { background: rgba(254,203,82,.1); color: var(--amber); border: 1px solid rgba(254,203,82,.25); }
.photo-doodle { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: end; overflow: hidden; }
.doodle-sun { position: absolute; width: 132px; height: 132px; border-radius: 50%; top: 21%; right: 18%; }
[data-theme="light"] .doodle-sun { background: #f7c77c; }
[data-theme="dark"]  .doodle-sun { background: var(--accent); opacity: .6; box-shadow: 0 0 60px rgba(99,110,250,.5); }
.doodle-land { position: absolute; border-radius: 50% 50% 0 0; bottom: -23%; left: -25%; width: 165%; height: 57%; transform: rotate(-9deg); }
[data-theme="light"] .doodle-land { background: #6ea68d; }
[data-theme="dark"]  .doodle-land { background: #0d2a20; }
.photo-doodle span { z-index: 2; position: relative; font-size: 21px; font-weight: 820; letter-spacing: -.04em; margin-bottom: 60px; }
[data-theme="light"] .photo-doodle span { color: white; text-shadow: 0 2px 10px #437460a8; }
[data-theme="dark"]  .photo-doodle span { color: var(--teal); }
.month-content { padding: 30px 34px 26px; }
.month-date { margin: 0 0 6px; text-transform: uppercase; font-weight: 790; color: var(--teal); font-size: 11px; letter-spacing: .12em; }
.month-content h3 { margin-bottom: 20px; }
.moment { display: flex; gap: 13px; margin: 0 0 15px; }
.moment-icon { display: grid; place-items: center; border-radius: 7px; font-weight: 800; width: 30px; height: 30px; flex: 0 0 30px; font-size: 10px; }
.research-icon { background: var(--pale-teal); color: var(--teal); }
[data-theme="light"] .life-icon { background: #fff0e7; color: #b56e4a; }
[data-theme="dark"]  .life-icon { background: rgba(125,211,252,.12); color: var(--peach); }
.moment strong { display: block; font-size: 13px; margin-bottom: 2px; }
.moment p { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0; }
.takeaway { border-radius: 0 8px 8px 0; padding: 10px 13px; margin: 16px 0 17px; }
[data-theme="light"] .takeaway { background: #f6faf8; border-left: 3px solid #8ebcb0; }
[data-theme="dark"]  .takeaway { background: rgba(99,110,250,.07); border-left: 3px solid var(--accent); }
.takeaway span { display: block; font-size: 11px; font-weight: 760; letter-spacing: .03em; margin-bottom: 2px; color: var(--teal); }
[data-theme="dark"] .takeaway span { color: var(--accent); }
.takeaway p { color: var(--muted); font-size: 13px; margin: 0; }
.month-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 15px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { border-radius: 999px; font-size: 11px; font-weight: 600; padding: 4px 10px; }
[data-theme="light"] .tag { background: #f2f4f3; color: #627478; }
[data-theme="dark"]  .tag { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.story-link { color: var(--teal); font-weight: 760; font-size: 12px; white-space: nowrap; text-decoration: none; }
.story-link:hover { text-decoration: underline; }

/* ── Closing card ─────────────────────────── */
[data-theme="light"] .closing-card { padding: 35px 40px; border: 1px solid #b7d7cd; border-radius: 17px; background: linear-gradient(120deg, #e7f3ed, #f5f8ed); }
[data-theme="dark"]  .closing-card { padding: 35px 40px; border: 1px solid rgba(0,204,150,.2); border-radius: 17px; background: linear-gradient(120deg, rgba(0,204,150,.06), rgba(99,110,250,.06)); }
.closing-card h2 { font-size: 27px; }
.closing-card p { color: var(--muted); font-size: 15px; max-width: 710px; margin-bottom: 0; }
[data-theme="light"] .empty-state { padding: 30px; border: 1px dashed #c4d5d2; background: white; border-radius: 13px; }
[data-theme="dark"]  .empty-state { padding: 30px; border: 1px dashed var(--border-2); background: var(--surface); border-radius: 13px; }
.empty-state p { color: var(--muted); font-size: 14px; }

/* ── Meetings page ────────────────────────── */
.page-heading { margin: 14px 0 12px; }
.info-strip { border-radius: 9px; border-left: 3px solid var(--teal); padding: 14px 18px; font-size: 13px; color: var(--muted); margin: 30px 0 20px; }
[data-theme="light"] .info-strip { background: #e6f3ee; color: #3c5f5b; }
[data-theme="dark"]  .info-strip { background: rgba(0,204,150,.08); }
.meeting-list { list-style: none; padding: 0; margin: 0; border: 1px solid var(--border); background: var(--surface); border-radius: 13px; overflow: hidden; }
.meeting-list li+li { border-top: 1px solid var(--border); }
.meeting-list a { display: flex; gap: 15px; padding: 18px 22px; text-decoration: none; align-items: center; color: var(--ink); transition: background .2s; }
[data-theme="light"] .meeting-list a:hover { background: #f3faf6; }
[data-theme="dark"]  .meeting-list a:hover { background: var(--surface-2); }
.meeting-icon { background: var(--pale-teal); width: 38px; height: 38px; display: grid; place-items: center; border-radius: 9px; }
.meeting-main { display: grid; gap: 1px; flex: 1; }
.meeting-main strong { font-size: 14px; }
.meeting-main small { color: var(--muted); font-size: 12px; }
.meeting-arrow { color: var(--teal); }

/* ── Story page ───────────────────────────── */
.backlink { font-size: 14px; margin: 0 0 24px; }
.backlink a { text-decoration: none; font-weight: 650; color: var(--muted); }
.backlink a:hover { color: var(--teal); }
.story-page { max-width: 850px; margin: 0 auto; }
.story-page h1 { font-size: clamp(35px, 5vw, 55px); }
.story-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; margin: 31px 0; }
.story-summary > div { background: var(--surface); border: 1px solid var(--border); border-radius: 11px; padding: 17px; }
.story-summary span { color: var(--teal); font-size: 10px; letter-spacing: .06em; font-weight: 760; }
.story-summary p { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.story-body { background: var(--surface); padding: 20px 28px; border: 1px solid var(--border); border-radius: 14px; font-size: 15px; line-height: 1.82; margin: 25px 0; }
.story-body h2 { font-size: 22px; margin: 27px 0 9px; }
.story-body p { color: var(--muted); }
.story-body img { max-width: 100%; border-radius: 10px; }
.story-cover { margin: 28px 0 0; }
.story-cover img { width: 100%; display: block; max-height: 460px; object-fit: cover; border-radius: 15px; }
figcaption { text-align: center; margin: 6px 0; font-size: 12px; color: var(--dim); }
.photo-gallery { margin: 34px 0; }
.photo-gallery h2 { font-size: 24px; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.gallery-grid figure { margin: 0; }
.gallery-grid img { object-fit: cover; width: 100%; border-radius: 12px; aspect-ratio: 4 / 3; }

/* ── Responsive ───────────────────────────── */
@media (max-width: 920px) {
  .hero { gap: 25px; grid-template-columns: 1.15fr .85fr; }
  .postcard { min-height: 320px; }
  .hero-visual { min-height: 320px; }
  .postcard-message { padding: 85px 20px 20px; font-size: 31px; }
  .month-card { grid-template-columns: 36% 1fr; }
  .month-content { padding: 24px; }
}
@media (max-width: 710px) {
  .shell { padding: 0 18px; }
  .site-header { flex-wrap: wrap; padding: 15px 0; }
  .brand { font-size: 12px; }
  .brand-secondary { white-space: normal; }
  main { padding-top: 30px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; padding: 15px 0 43px; gap: 30px; }
  .hero-facts { gap: 16px; }
  .hero-visual { min-height: 250px; }
  .postcard { max-width: 380px; min-height: 265px; transform: rotate(1deg); }
  .scene { inset: 30px 0 47px; }
  .postcard-top { font-size: 9px; padding: 11px; }
  .postcard-message { font-size: 29px; padding: 60px 20px 0; }
  .postcard-bottom { font-size: 9px; padding: 11px 5px; }
  .section-intro { display: block; margin-bottom: 26px; }
  .journey-section { padding-top: 44px; }
  .month-card { grid-template-columns: 1fr; }
  .month-photo { min-height: 215px; max-height: 260px; }
  .month-content { padding: 25px 22px; }
  .story-summary { grid-template-columns: 1fr; }
  .story-body { padding: 15px 19px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .closing-card { padding: 26px; }
  .site-footer { flex-direction: column; gap: 7px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } body { transition: none; } }