/*
  DBAI Salem — Community Ledger design system.
  Archival institutional modernism: warm ivory paper, DBAI Indigo #173E6B,
  restrained saffron accents, editorial rules, deliberate whitespace, and clear navigation.
*/

:root {
  --ink: #183050;
  --indigo: #173e6b;
  --indigo-deep: #102b4c;
  --saffron: #d88721;
  --saffron-soft: #f0c68f;
  --paper: #f7f1e7;
  --paper-deep: #eadfce;
  --card: #fffdf8;
  --sage: #60766d;
  --line: rgba(24, 48, 80, 0.22);
  --white: #ffffff;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", Arial, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --radius-sm: 3px;
  --shadow: 0 14px 32px rgba(16, 43, 76, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--saffron); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--saffron); outline-offset: 4px; }
button { font: inherit; }

.skip-link { position: absolute; z-index: 100; top: -4rem; left: 1rem; padding: 0.65rem 0.9rem; color: var(--white); background: var(--indigo); }
.skip-link:focus { top: 1rem; }
.site-shell { overflow: hidden; }
.wrap { width: min(1120px, calc(100% - 3rem)); margin: 0 auto; }
.eyebrow { margin: 0; color: var(--saffron); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em; line-height: 1.35; text-transform: uppercase; }
.serif { font-family: var(--font-display); }
.page-title { margin: 0.2rem 0 0.65rem; font-family: var(--font-display); font-size: clamp(2.8rem, 7vw, 5.2rem); font-weight: 500; letter-spacing: -0.06em; line-height: 0.98; }
.lead { max-width: 43rem; margin: 0; font-family: var(--font-display); font-size: clamp(1.18rem, 2vw, 1.5rem); line-height: 1.42; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; min-height: 2.85rem; padding: 0.68rem 1.05rem; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: 0.93rem; font-weight: 700; letter-spacing: 0.025em; line-height: 1; text-decoration: none; transition: transform 160ms var(--ease-out), background 160ms var(--ease-out), border-color 160ms var(--ease-out), color 160ms var(--ease-out); }
.button:active { transform: scale(0.97); }
.button--saffron { color: var(--indigo-deep); background: var(--saffron); }
.button--saffron:hover { color: var(--indigo-deep); background: #e9a14b; }
.button--paper { color: var(--white); border-color: rgba(255,255,255,0.66); background: transparent; }
.button--paper:hover { color: var(--indigo-deep); background: var(--paper); }
.button--indigo { color: var(--white); background: var(--indigo); }
.button--indigo:hover { color: var(--white); background: var(--indigo-deep); }

/* Masthead */
.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(247,241,231,0.98); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 5.75rem; }
.brand { display: inline-flex; align-items: center; gap: 0.72rem; color: var(--indigo-deep); text-decoration: none; }
.brand:hover { color: var(--indigo-deep); }
.brand-mark { width: 2.55rem; height: 2.55rem; object-fit: contain; }
.brand-name { display: grid; gap: 0.06rem; line-height: 1.05; }
.brand-name strong { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; letter-spacing: -0.035em; }
.brand-name span { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.105em; text-transform: uppercase; }
.main-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 0.2rem 1.1rem; }
.main-nav a { padding: 0.35rem 0; font-size: 0.83rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }
.main-nav a[aria-current="page"] { color: var(--saffron); }

/* Home hero */
.home-hero { position: relative; min-height: min(720px, calc(100vh - 5.75rem)); color: var(--white); background: var(--indigo-deep) url("images/dbai-entrance.jpg") center/cover no-repeat; }
.home-hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(9,33,61,0.96) 0%, rgba(14,43,76,0.79) 46%, rgba(14,43,76,0.25) 100%); }
.home-hero .wrap { position: relative; display: flex; align-items: end; min-height: inherit; padding-top: 8.2rem; padding-bottom: 5rem; }
.hero-content { width: min(43rem, 100%); }
.hero-content .eyebrow { color: var(--saffron-soft); }
.hero-title { max-width: 13ch; margin: 0.45rem 0 1.2rem; font-family: var(--font-display); font-size: clamp(3.25rem, 7.5vw, 6.4rem); font-weight: 500; letter-spacing: -0.065em; line-height: 0.94; }
.hero-text { max-width: 39rem; margin: 0 0 1.8rem; font-size: clamp(1rem, 1.65vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.hero-ledger { position: absolute; right: clamp(1.5rem, 5vw, 5rem); bottom: 0; width: min(17.25rem, 30vw); padding: 1rem 1.1rem 1.2rem; border-top: 4px solid var(--saffron); color: var(--indigo); background: var(--paper); box-shadow: var(--shadow); }
.hero-ledger span { display: block; color: var(--saffron); font-size: 0.67rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.hero-ledger strong { display: block; margin-top: 0.18rem; font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; line-height: 1.14; }

/* Ledger blocks */
.ledger-intro { padding: clamp(4rem, 9vw, 7.2rem) 0; background: var(--paper); }
.ledger-grid { display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.ledger-label { display: grid; gap: 0.3rem; padding-top: 0.25rem; border-top: 1px solid var(--indigo); }
.ledger-label span { color: var(--saffron); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.ledger-label strong { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; line-height: 1.1; }
.ledger-copy h2, .about-copy h2 { max-width: 18ch; margin: 0; font-family: var(--font-display); font-size: clamp(2.2rem, 4.5vw, 4rem); font-weight: 500; letter-spacing: -0.055em; line-height: 1.02; }
.ledger-copy p, .about-copy p { max-width: 44rem; margin: 1.1rem 0 0; }
.copy-link { display: inline-flex; margin-top: 1.4rem; color: var(--indigo); font-size: 0.86rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }
.copy-link::after { margin-left: 0.45rem; content: "↗"; color: var(--saffron); }

.program-band { position: relative; padding: clamp(4rem, 7vw, 6.4rem) 0; color: var(--white); background: var(--indigo-deep) url("images/dbai-community-pattern.jpg") center/cover no-repeat; }
.program-band::before { position: absolute; inset: 0; content: ""; background: rgba(14,43,76,0.9); }
.program-band .wrap { position: relative; }
.section-heading { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; align-items: end; margin-bottom: 2.3rem; }
.section-number { color: var(--saffron-soft); font-family: var(--font-display); font-size: 1.15rem; font-style: italic; }
.section-heading h2 { max-width: 16ch; margin: 0; font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; letter-spacing: -0.055em; line-height: 1; }
.program-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,0.35); }
.program-item { min-height: 15rem; padding: 1.25rem 1.3rem 1.4rem; border-right: 1px solid rgba(255,255,255,0.35); }
.program-item:first-child { border-left: 1px solid rgba(255,255,255,0.35); }
.program-item span { color: var(--saffron-soft); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.program-item h3 { margin: 2.6rem 0 0.7rem; font-family: var(--font-display); font-size: 1.55rem; font-weight: 500; letter-spacing: -0.04em; line-height: 1.05; }
.program-item p { margin: 0; font-size: 0.94rem; line-height: 1.45; }

.image-essay { display: grid; grid-template-columns: 1.06fr 0.94fr; min-height: 34rem; background: var(--card); }
.image-essay__image { min-height: 26rem; background: #cdd8d2 url("images/education-guidance.jpg") center/cover no-repeat; clip-path: polygon(0 0, 100% 0, 93% 100%, 0 100%); }
.image-essay__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 8vw, 7rem) clamp(2rem, 7vw, 6.3rem) clamp(3rem, 8vw, 6rem) clamp(2rem, 5vw, 5rem); }
.image-essay__copy h2 { max-width: 15ch; margin: 0.3rem 0 1rem; font-family: var(--font-display); font-size: clamp(2.25rem, 4.3vw, 3.8rem); font-weight: 500; letter-spacing: -0.055em; line-height: 1.02; }
.image-essay__copy p { max-width: 32rem; margin: 0; }

.approach { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.approach-top { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(2rem, 7vw, 7rem); margin-bottom: 2rem; }
.approach-top h2 { max-width: 13ch; margin: 0; font-family: var(--font-display); font-size: clamp(2.35rem, 5vw, 4rem); font-weight: 500; letter-spacing: -0.055em; line-height: 1.02; }
.approach-top p { max-width: 42rem; margin: 0.5rem 0 0; }
.approach-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.approach-item { padding: 1.35rem 1.3rem 1.55rem 0; border-bottom: 1px solid var(--line); }
.approach-item + .approach-item { padding-left: 1.3rem; border-left: 1px solid var(--line); }
.approach-item span { color: var(--saffron); font-family: var(--font-display); font-size: 1.05rem; font-style: italic; }
.approach-item h3 { margin: 1.65rem 0 0.55rem; font-family: var(--font-display); font-size: 1.48rem; font-weight: 500; letter-spacing: -0.035em; line-height: 1.06; }
.approach-item p { margin: 0; font-size: 0.94rem; line-height: 1.46; }

.contact-band { position: relative; padding: clamp(4.5rem, 9vw, 7.5rem) 0; color: var(--white); background: var(--indigo-deep) url("images/dbai-quiet-garden-illustration.jpg") center/cover no-repeat; }
.contact-band::before { position: absolute; inset: 0; content: ""; background: rgba(14,43,76,0.83); }
.contact-band .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.6fr); gap: 3rem; align-items: end; }
.contact-band h2 { max-width: 15ch; margin: 0.35rem 0 0; font-family: var(--font-display); font-size: clamp(2.5rem, 5.8vw, 5rem); font-weight: 500; letter-spacing: -0.06em; line-height: 0.96; }
.contact-card { padding: 1.45rem; border-top: 4px solid var(--saffron); color: var(--indigo); background: var(--paper); box-shadow: var(--shadow); }
.contact-card p { margin: 0; font-size: 0.94rem; }
.contact-card address { margin: 0.55rem 0 1rem; font-style: normal; font-weight: 600; line-height: 1.45; }
.contact-card a { font-weight: 700; }

/* Inner pages */
.inner-hero { position: relative; color: var(--white); background: var(--indigo-deep); }
.inner-hero--about { min-height: 26rem; background: var(--indigo-deep) url("../images/dbai-arch-learning-illustration.jpg") right center/cover no-repeat; }
.inner-hero--simple { padding: clamp(4.5rem, 10vw, 8rem) 0; }
.inner-hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(10,34,61,0.96) 0%, rgba(16,43,76,0.86) 45%, rgba(16,43,76,0.28) 100%); }
.inner-hero .wrap { position: relative; display: flex; align-items: end; min-height: inherit; padding-top: 5.8rem; padding-bottom: 4rem; }
.inner-hero .eyebrow { color: var(--saffron-soft); }
.breadcrumb { display: flex; gap: 0.45rem; margin-bottom: 1rem; color: rgba(255,255,255,0.75); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.breadcrumb a { text-decoration: none; }
.breadcrumb span { color: var(--saffron-soft); }
.inner-hero .lead { max-width: 38rem; }
.about-content { padding: clamp(4rem, 9vw, 7.5rem) 0; background: var(--paper); }
.about-block { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(2rem, 8vw, 8rem); padding: 0 0 clamp(4rem, 8vw, 6rem); }
.about-block + .about-block { padding-top: clamp(4rem, 8vw, 6rem); border-top: 1px solid var(--line); }
.about-block__label { padding-top: 0.25rem; border-top: 1px solid var(--indigo); }
.about-block__label p { margin: 0.35rem 0 0; font-family: var(--font-display); font-size: 1.48rem; font-weight: 500; line-height: 1.08; }
.about-copy h2 { max-width: 17ch; }
.about-copy p + p { margin-top: 0.8rem; }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-top: 2rem; border-top: 1px solid var(--line); }
.principle { padding: 1.1rem 1.3rem 1.3rem 0; border-bottom: 1px solid var(--line); }
.principle:nth-child(even) { padding-left: 1.3rem; border-left: 1px solid var(--line); }
.principle h3 { margin: 0; font-family: var(--font-display); font-size: 1.4rem; font-weight: 500; letter-spacing: -0.035em; line-height: 1.1; }
.principle p { margin: 0.5rem 0 0; font-size: 0.94rem; line-height: 1.45; }
.about-figure { margin: 0; background: var(--indigo-deep); }
.about-figure img { width: 100%; max-height: 36rem; object-fit: cover; opacity: 0.92; }
.about-figure figcaption { padding: 0.7rem 1rem 0.9rem; color: rgba(255,255,255,0.82); font-size: 0.79rem; }

.legal { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.legal-layout { display: grid; grid-template-columns: 0.65fr minmax(0, 1.35fr); gap: clamp(2rem, 8vw, 8rem); }
.legal-aside { padding-top: 0.25rem; border-top: 1px solid var(--indigo); }
.legal-aside p { margin: 0.55rem 0 0; font-size: 0.94rem; }
.legal-copy { max-width: 47rem; }
.legal-copy h2 { margin: 2.4rem 0 0.65rem; font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.35rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1.08; }
.legal-copy h2:first-child { margin-top: 0; }
.legal-copy p { margin: 0; }
.legal-copy p + p { margin-top: 1rem; }
.legal-copy ul { padding-left: 1.2rem; }
.legal-copy li + li { margin-top: 0.35rem; }

/* Footer */
.site-footer { padding: 3.4rem 0 1.8rem; color: rgba(255,255,255,0.84); background: var(--indigo-deep); }
.footer-grid { display: grid; grid-template-columns: 1.25fr 0.95fr 0.9fr; gap: 2rem; }
.footer-brand { display: flex; gap: 0.82rem; align-items: flex-start; }
.footer-brand img { width: 3rem; height: 3rem; object-fit: contain; }
.footer-brand h2 { margin: 0; color: var(--white); font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; letter-spacing: -0.03em; line-height: 1; }
.footer-brand p { max-width: 21rem; margin: 0.55rem 0 0; font-size: 0.9rem; line-height: 1.45; }
.footer-heading { margin: 0 0 0.6rem; color: var(--saffron-soft); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; }
.footer-links { display: grid; gap: 0.2rem; }
.footer-links a { font-size: 0.9rem; }
.footer-links address { margin: 0; font-size: 0.9rem; font-style: normal; line-height: 1.46; }
.footer-social { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 0.85rem; }
.footer-social a { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1.5rem; margin-top: 2.6rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.59); font-size: 0.78rem; }
.footer-bottom p { margin: 0; }

@media (max-width: 800px) {
  body { font-size: 16px; }
  .wrap { width: min(100% - 2rem, 1120px); }
  .header-inner { align-items: flex-start; flex-direction: column; gap: 0.55rem; padding: 1rem 0; }
  .main-nav { justify-content: flex-start; gap: 0.15rem 0.95rem; }
  .main-nav a { font-size: 0.74rem; }
  .home-hero { min-height: 41rem; }
  .home-hero .wrap { align-items: center; padding-top: 5.5rem; padding-bottom: 8rem; }
  .home-hero::before { background: linear-gradient(90deg, rgba(9,33,61,0.95), rgba(14,43,76,0.72)); }
  .hero-ledger { right: 1rem; bottom: -1.3rem; width: min(17.25rem, calc(100% - 2rem)); }
  .ledger-grid, .approach-top, .about-block, .legal-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .program-item:nth-child(3) { border-left: 1px solid rgba(255,255,255,0.35); }
  .program-item { min-height: 13rem; border-bottom: 1px solid rgba(255,255,255,0.35); }
  .image-essay { grid-template-columns: 1fr; }
  .image-essay__image { min-height: 20rem; clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%); }
  .image-essay__copy { padding: 3rem 1rem 4rem; }
  .approach-list { grid-template-columns: 1fr; }
  .approach-item, .approach-item + .approach-item { padding: 1.2rem 0; border-left: 0; }
  .contact-band .wrap { grid-template-columns: 1fr; gap: 2rem; }
  .inner-hero--about { min-height: 27rem; }
  .inner-hero::before { background: linear-gradient(90deg, rgba(10,34,61,0.95), rgba(16,43,76,0.76)); }
  .principles { grid-template-columns: 1fr; }
  .principle:nth-child(even) { padding-left: 0; border-left: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 0.35rem; }
}

@media (max-width: 460px) {
  .brand-name strong { font-size: 1.06rem; }
  .brand-name span { max-width: 19rem; font-size: 0.58rem; }
  .hero-title { font-size: clamp(3rem, 15vw, 4.2rem); }
  .hero-actions .button { width: 100%; }
  .program-grid { grid-template-columns: 1fr; }
  .program-item, .program-item:first-child, .program-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.35); border-left: 1px solid rgba(255,255,255,0.35); }
}

@media (prefers-reduced-motion: no-preference) {
  .program-item, .image-essay__image, .about-figure img { transition: transform 220ms var(--ease-out); }
  .program-item:hover { transform: translateY(-0.25rem); background: rgba(255,255,255,0.05); }
  .image-essay:hover .image-essay__image { transform: scale(1.015); }
  .about-figure:hover img { transform: scale(1.015); }
}

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