/* ============================================================
   Susan Rebner — susanrebner.com
   Warm paper, forest green, terracotta accents.
   Serif display (Newsreader) + clean sans (Inter).
   ============================================================ */

:root {
  --paper:      #F8F7F3;
  --paper-2:    #F2F0EA;
  --beige:      #EEEBE3;
  --frame:      #E4E8E1;
  --mist:       #E6E8E2;
  --card:       #FDFDF9;
  --line:       #DEDFD8;

  --forest:     #263D35;
  --forest-2:   #2F473E;
  --ink:        #1D2B24;
  --text:       #4A554F;
  --muted:      #6E7872;

  --terra:      #AD6E56;
  --terra-soft: #F3E3DA;
  --peach:      #E2AE94;
  --sage:       #CAD4C9;
  --mint:       #CFDED4;
  --sky:        #DCE3EB;

  --serif: 'Newsreader', 'Times New Roman', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  --max: 1160px;
  --gutter: clamp(20px, 5vw, 72px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.22; color: var(--ink); }
em, .it { font-style: italic; color: var(--terra); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

:focus-visible { outline: 2px solid var(--terra); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--forest); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 247, 243, .92);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.mark {
  font-family: var(--serif); font-size: 19px; letter-spacing: .02em; color: var(--ink);
  text-transform: uppercase; white-space: nowrap;
}
.mark span { color: var(--terra); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 12.5px; font-weight: 500; color: var(--ink); transition: color .2s; }
.nav-links a:hover { color: var(--terra); }
.nav-links .btn-connect {
  background: var(--forest); color: #fff; padding: 10px 18px; border-radius: 2px;
  display: inline-flex; gap: 10px; align-items: center; font-size: 12px; transition: background .2s;
}
.nav-links .btn-connect:hover { background: var(--ink); color: #fff; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink); }
.menu-btn svg { display: block; }

/* ---------- Shared: eyebrow, headings, buttons ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--terra);
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--terra); }

.h2 {
  font-size: clamp(38px, 5.2vw, 58px); line-height: 1.04; letter-spacing: -.03em; margin-top: 22px;
}
.h2 em { display: inline; }

.sec-head { display: grid; grid-template-columns: 1fr minmax(0, 300px); gap: 40px; align-items: end; margin-bottom: 52px; }
.sec-head .aside { font-size: 13px; line-height: 1.75; color: var(--muted); padding-bottom: 8px; }

.btn {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  padding: 15px 22px; border-radius: 2px; border: 1px solid var(--forest);
  transition: background .2s, color .2s, border-color .2s;
}
.btn-solid { background: var(--forest); color: #fff; }
.btn-solid:hover { background: var(--ink); border-color: var(--ink); }
.btn-line { background: transparent; color: var(--ink); border-color: #CFCFC6; }
.btn-line:hover { border-color: var(--forest); }
.arrow { transition: transform .2s; }
a:hover .arrow { transform: translateX(3px); }

.text-link {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-weight: 600; color: var(--ink);
  padding-bottom: 6px; border-bottom: 1px solid var(--terra);
}
.text-link:hover { color: var(--terra); }

section { position: relative; }
.pad { padding: clamp(72px, 10vw, 120px) 0; }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 8vw, 92px) 0 clamp(64px, 8vw, 84px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 48px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--ink);
}
.hero-tag svg { color: var(--terra); flex: none; }
.hero h1 {
  font-size: clamp(42px, 5.3vw, 66px); line-height: 1.04; letter-spacing: -.04em; margin: 26px 0 30px;
}
.hero h1 span { display: block; white-space: nowrap; }
.hero .lede { max-width: 440px; font-size: 14.5px; line-height: 1.75; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero-art { position: relative; width: 100%; max-width: 420px; aspect-ratio: 1 / 1.02; margin-left: auto; margin-right: 34px; }
.hero-art .arch {
  position: absolute; right: 0; bottom: 0; width: 80%; height: 100%;
  background: linear-gradient(180deg, #D6DED4 0%, #C3CEC2 100%);
  border-radius: 999px 999px 4px 4px;
  overflow: hidden;
}
.hero-art .arch::after {
  content: ""; position: absolute; width: 130%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(38, 61, 53, .22); left: 22%; top: 30%;
}
.hero-art .bookcard {
  position: absolute; left: -4%; top: 10%; width: 68%; aspect-ratio: 1 / 1.08;
  background:
    radial-gradient(circle at 78% 102%, #3A5449 0 26%, transparent 26.3%),
    radial-gradient(circle at 78% 102%, #334D43 0 44%, transparent 44.3%),
    radial-gradient(circle at 78% 102%, #2D463D 0 62%, transparent 62.3%),
    var(--forest);
  color: #fff; transform: rotate(-6deg);
  padding: 9% 9%; display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: 0 24px 40px -18px rgba(29, 43, 36, .45);
}
.bookcard .k { font-size: 8.5px; letter-spacing: .26em; text-transform: uppercase; opacity: .85; }
.bookcard .t { font-family: var(--serif); font-style: italic; font-size: clamp(24px, 3vw, 32px); line-height: 1.12; letter-spacing: -.01em; }
.hero-art .pov {
  position: absolute; right: -6%; bottom: 13%; width: 40%;
  background: var(--card); padding: 7% 7% 8%; transform: rotate(4deg);
  box-shadow: 0 18px 36px -14px rgba(29, 43, 36, .28);
}
.pov .k { font-size: 7.5px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--terra); }
.pov .t { font-family: var(--serif); font-size: clamp(16px, 1.9vw, 20px); line-height: 1.22; color: var(--ink); margin-top: 8px; }
.hero-art .vert {
  position: absolute; right: -34px; top: 0; writing-mode: vertical-rl;
  font-size: 8px; letter-spacing: .3em; text-transform: uppercase; color: var(--muted);
}

/* ---------- Band ---------- */
.band { background: var(--forest); color: #E8EDE9; }
.band-in { display: flex; align-items: center; justify-content: space-between; gap: 22px; height: 64px; }
.band span { font-size: 10px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; white-space: nowrap; }
.band i { flex: 1; height: 1px; background: rgba(255, 255, 255, .16); }

/* ---------- 01 Perspective ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: clamp(40px, 7vw, 96px); align-items: start; }
.pull {
  margin: 52px 0 0; padding: 6px 0 6px 22px; border-left: 2px solid var(--terra);
  font-family: var(--serif); font-size: clamp(22px, 2.3vw, 26px); line-height: 1.3; letter-spacing: -.015em; color: var(--ink);
  max-width: 340px;
}
.about-copy { padding-top: 14px; }
.about-copy p { font-size: 14px; line-height: 1.85; margin-bottom: 22px; }
.about-copy .text-link { margin-top: 8px; }

/* ---------- Framed panels ---------- */
.framed { background: var(--frame); padding: 0 clamp(0px, 4vw, 64px); }
.framed > .panel { max-width: calc(var(--max) + 40px); margin: 0 auto; }
.panel-beige { background: var(--beige); }
.panel-paper { background: var(--paper); }

/* ---------- 02 Books ---------- */
.books { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.book { background: var(--card); display: flex; flex-direction: column; }
.book .cover { display: grid; place-items: center; padding: 22px 20px; aspect-ratio: 1.12 / 1; }
.book .cover img { height: 100%; width: auto; max-height: 220px; box-shadow: 0 14px 26px -12px rgba(0, 0, 0, .45); }
.c-mint { background: var(--mint); }
.c-sky { background: var(--sky); }
.c-sky2 { background: #D5DEE8; }
.book .body { padding: 20px 20px 24px; display: flex; flex-direction: column; flex: 1; }
.book .meta { font-size: 9.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--terra); }
.book h3 { font-size: 25px; letter-spacing: .01em; margin: 12px 0 8px; font-weight: 400; }
.book .sub { font-size: 12.5px; line-height: 1.6; color: var(--text); flex: 1; margin-bottom: 26px; }
.book .go { font-size: 12px; font-weight: 600; color: var(--ink); display: inline-flex; gap: 8px; align-items: center; align-self: flex-start; }
.book .go:hover { color: var(--terra); }
.soon {
  align-self: flex-start; font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--terra); background: var(--terra-soft); border: 1px solid #D9AE9C; padding: 6px 12px;
}

/* ---------- 03 Articles ---------- */
.articles-sec { background: var(--paper-2); }
.articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.article {
  background: var(--card); border: 1px solid var(--line);
  padding: 16px 16px 14px; display: flex; flex-direction: column; min-height: 168px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
a.article:hover { border-color: #C9B2A6; transform: translateY(-2px); box-shadow: 0 12px 24px -18px rgba(29, 43, 36, .4); }
.article .top { display: flex; justify-content: space-between; gap: 12px; font-size: 9.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--terra); }
.article .top .yr { color: var(--terra); font-weight: 500; }
.article h3 { font-size: 18px; line-height: 1.25; font-weight: 300; letter-spacing: .005em; margin: 14px 0 10px; flex: 1; }
.article .by { font-size: 10.5px; color: var(--muted); }
.article .read { font-size: 10.5px; font-weight: 600; color: var(--ink); margin-top: 6px; }
a.article:hover .read { color: var(--terra); }

/* ---------- 04 Research ---------- */
.research-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 7vw, 96px); align-items: center; }
.diagram { position: relative; aspect-ratio: 1 / 1; background: #DCE3DA; overflow: hidden; }
.diagram .ring-outer { position: absolute; inset: -12%; border-radius: 50%; background: #E2E8E0; }
.diagram .ring { position: absolute; inset: 13%; border-radius: 50%; background: #CAD5C9; border: 1px solid #A9B8A9; }
.diagram .core {
  position: absolute; left: 50%; top: 50%; width: 30%; aspect-ratio: 1; transform: translate(-50%, -50%);
  border-radius: 50%; background: var(--forest); display: grid; place-items: center; color: #DCE5DF;
}
.diagram .core svg { width: 38%; height: auto; }
.tag {
  position: absolute; background: #fff; font-family: var(--serif); font-size: clamp(13px, 1.4vw, 15px); color: var(--ink);
  padding: 8px 12px; box-shadow: 0 6px 14px -8px rgba(29, 43, 36, .35);
}
.tag-trust { left: 6%; top: 15%; }
.tag-tech { right: 5%; top: 47%; }
.tag-people { left: 9%; bottom: 13%; }
.research-copy p { font-size: 13.5px; line-height: 1.85; margin-top: 22px; max-width: 520px; }
.research-copy .h2 { margin-top: 20px; }
.research-copy .h2 span { display: block; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 30px; }
.pills span { font-size: 11px; color: var(--ink); border: 1px solid #C9CCC3; border-radius: 999px; padding: 5px 12px; }

/* ---------- 05 Ideas ---------- */
.ideas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.idea { background: var(--card); border: 1px solid var(--line); padding: 26px 20px 18px; display: flex; flex-direction: column; min-height: 230px; }
.idea .k { font-size: 9px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--terra); }
.idea h3 { font-size: 21px; line-height: 1.25; letter-spacing: -.01em; margin: 20px 0 14px; }
.idea p { font-size: 12px; line-height: 1.75; color: var(--text); flex: 1; }
.idea .foot {
  display: flex; justify-content: space-between; align-items: center; margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 9px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.idea .foot svg { color: var(--ink); }

/* ---------- 06 Credentials ---------- */
.creds-sec { background: var(--mist); }
.creds-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 5vw, 56px); align-items: start; }
.h3 { font-size: 26px; letter-spacing: -.01em; }
.creds-grid .intro { font-size: 13px; line-height: 1.75; margin: 12px 0 26px; max-width: 380px; }
.degree { background: #F1F3EF; border-left: 2px solid var(--terra); padding: 18px 20px; margin-bottom: 10px; }
.degree b { display: block; font-size: 13px; font-weight: 600; color: var(--ink); }
.degree span { display: block; font-size: 12px; line-height: 1.65; color: var(--muted); margin-top: 4px; }
.certs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cert {
  display: flex; gap: 12px; align-items: flex-start; background: #F4F5F2; border: 1px solid #DADDD5;
  padding: 14px 16px; font-size: 12px; line-height: 1.55; color: var(--text); min-height: 64px;
}
.cert::before { content: "\2713"; color: var(--terra); font-weight: 600; }
.exec-h { font-size: 19px; line-height: 1.3; margin: 30px 0 14px; }
.exec { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.exec span { background: #F2F4F0; border-left: 2px solid #CED4CC; padding: 11px 14px; font-size: 11.5px; line-height: 1.55; color: var(--muted); }

/* ---------- 07 Experience ---------- */
.exp { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.exp-card { background: var(--card); border: 1px solid var(--line); padding: 24px 22px 30px; min-height: 150px; }
.exp-card .k { font-size: 9px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--terra); }
.exp-card h3 { font-size: 21px; letter-spacing: -.01em; margin: 14px 0 12px; }
.exp-card p { font-size: 12px; line-height: 1.75; }

/* ---------- Contact ---------- */
.contact-wrap { background: var(--frame); padding: clamp(0px, 3vw, 40px) clamp(0px, 4vw, 64px); }
.contact {
  max-width: 900px; margin: 0 auto; position: relative; overflow: hidden; color: #DDE5E0;
  background:
    radial-gradient(circle at 100% 36%, var(--forest) 0 31%, transparent 31.2%),
    radial-gradient(circle at 100% 36%, #2E463D 0 46%, transparent 46.2%),
    radial-gradient(circle at 100% 36%, #2A4239 0 58%, transparent 58.2%),
    var(--forest);
  padding: clamp(56px, 9vw, 92px) clamp(24px, 6vw, 72px) clamp(56px, 9vw, 80px) clamp(24px, 20vw, 210px);
}
.contact .k { font-size: 9px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase; color: #EAF0EC; }
.contact h2 { color: #fff; font-size: clamp(36px, 5vw, 52px); line-height: 1.08; letter-spacing: -.035em; margin: 20px 0 22px; }
.contact h2 em { color: var(--peach); }
.contact p { font-size: 13.5px; line-height: 1.8; max-width: 420px; color: #CFDAD3; }
.email-btn {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 30px;
  border: 1px solid rgba(255, 255, 255, .38); color: #fff; padding: 14px 20px; font-size: 13px; font-weight: 500;
  transition: background .2s, border-color .2s;
}
.email-btn:hover { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .7); }

/* ---------- Footer ---------- */
footer { background: var(--frame); }
.foot-in {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 26px; padding-bottom: 30px; font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
}
.foot-in a:hover { color: var(--terra); }

/* ---------- Reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.rv.in { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .nav-links { gap: 18px; }
  .articles { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 6px var(--gutter) 18px;
    display: none;
  }
  .nav.open .nav-links { display: flex; }
  .nav-links a { padding: 13px 0; font-size: 14px; border-bottom: 1px solid var(--line); }
  .nav-links .btn-connect { margin-top: 14px; justify-content: center; padding: 14px; border-bottom: 0; }

  .hero-grid, .about-grid, .research-grid, .creds-grid { grid-template-columns: 1fr; }
  .hero-art { margin: 20px auto 0; max-width: 360px; }
  .sec-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 40px; }
  .sec-head .aside { padding-bottom: 0; max-width: 460px; }
  .books, .ideas { grid-template-columns: 1fr; }
  .books { max-width: 420px; }
  .diagram { max-width: 440px; }
  .pull { margin-top: 36px; }
  .band-in { overflow-x: auto; justify-content: flex-start; gap: 18px; scrollbar-width: none; }
  .band-in::-webkit-scrollbar { display: none; }
  .band i { flex: 0 0 36px; }
}

@media (max-width: 620px) {
  body { font-size: 14.5px; }
  .articles, .certs, .exec, .exp { grid-template-columns: 1fr; }
  .hero-art { max-width: 290px; margin-right: auto; }
  .hero-art .vert { display: none; }
  .hero-art .pov { right: -2%; }
  .contact { padding-left: 24px; }
  .mark { font-size: 17px; }
  .hero-tag { letter-spacing: .14em; font-size: 10px; }
  .hero-art .pov { width: 46%; }
  .framed, .contact-wrap { padding-left: 0; padding-right: 0; }
  .band-in { height: auto; flex-wrap: wrap; justify-content: center; gap: 10px 26px; padding-top: 18px; padding-bottom: 18px; overflow: visible; }
  .band i { display: none; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 10.6vw; }
}