/* ==========================================================================
   KAIYEN CENTER — Clinical Authority Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@400;500;600&display=swap');

/* ─── Custom Properties ─── */
:root {
  --navy:        #1A2A42;
  --navy-mid:    #253B5C;
  --navy-light:  #EBF0F7;
  --ivory:       #F5F2EC;
  --white:       #FFFFFF;
  --gold:        #9A7B2C;
  --gold-warm:   #B8960E;

  --border:      #CDD5E0;
  --border-dark: #B0BCCE;

  --text-900:    #111827;
  --text-700:    #374151;
  --text-500:    #6B7280;
  --text-inverse:       #F9FAFB;
  --text-inverse-muted: rgba(249,250,251,0.68);

  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 32px rgba(0,0,0,0.10);

  --transition: all 0.24s ease;
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--white);
  color: var(--text-900);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body { line-height: 1.65; font-weight: 400; overflow-x: hidden; }

a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ─── Layout ─── */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

section { padding: 7rem 0; position: relative; }

/* ─── Typography ─── */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.3;
}

.section-overline {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 2.6rem;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-500);
  line-height: 1.75;
}

/* ─── Buttons ─── */
.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--navy);
  color: var(--text-inverse);
  border-color: var(--navy);
}

.btn-primary:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--border-dark);
}

.btn-secondary:hover {
  border-color: var(--navy);
  background: var(--navy-light);
  transform: translateY(-1px);
}

/* ─── Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid transparent;
  padding: 1.25rem 0;
  transition: var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 0.875rem 0;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wordmark {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
  text-transform: uppercase;
}

.logo-wordmark .logo-dot {
  color: var(--gold);
}

.nav-menu {
  display: flex;
  gap: 2.25rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-500);
  padding: 0.35rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--navy);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--navy);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ─── Hero ─── */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  background: var(--ivory);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: center;
}

.hero-overline {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.hero-overline-line {
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
}

.hero-overline-text {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-title {
  font-size: 4.25rem;
  color: var(--navy);
  margin-bottom: 1.75rem;
  font-weight: 700;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-700);
  max-width: 520px;
  line-height: 1.8;
}

/* Hero visual */
.hero-image-frame {
  position: relative;
}

.hero-image-frame::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  pointer-events: none;
}

.hero-image-inner {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border-dark);
  background: var(--navy);
  aspect-ratio: 4/5;
}

.hero-image-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}

.hero-image-inner:hover img {
  transform: scale(1.04);
}

.hero-image-caption {
  margin-top: 1rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-500);
  text-align: right;
  padding-right: 0.5rem;
}

/* ─── The Argument ─── */
.argument-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.argument-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.argument-rule {
  width: 3rem;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 2.5rem;
}

.argument-heading {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-500);
  text-align: center;
  margin-bottom: 2rem;
}

.argument-quote {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--navy);
  text-align: center;
  margin-bottom: 2.5rem;
}

.argument-quote em {
  font-style: italic;
  color: var(--gold);
}

.argument-body {
  font-size: 1rem;
  color: var(--text-700);
  line-height: 1.85;
  text-align: center;
}

/* ─── Three Pillars ─── */
.pillars-section {
  background: var(--ivory);
}

.section-header {
  max-width: 640px;
  margin-bottom: 4rem;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
}

.pillar-card {
  background: var(--white);
  padding: 3rem 2.25rem;
  transition: var(--transition);
  position: relative;
}

.pillar-card:hover {
  background: var(--ivory);
}

.pillar-number {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pillar-number::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-500);
  line-height: 1.8;
}

/* ─── Curriculum ─── */
.curriculum-section {
  background: var(--navy-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.curriculum-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}

/* Orbit visual — clean clinical diagram */
.curriculum-visual {
  position: sticky;
  top: 8rem;
}

.orbit-container {
  position: relative;
  width: 340px;
  height: 340px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-dark);
  border-radius: 50%;
}

.orbit-center {
  position: absolute;
  width: 88px;
  height: 88px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.orbit-center span.letter {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-inverse);
  line-height: 1;
}

.orbit-center span.label {
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
  margin-top: 0.25rem;
}

.orbit-node {
  position: absolute;
  width: 52px;
  height: 52px;
  background: var(--white);
  border: 1.5px solid var(--border-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-500);
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
}

.orbit-node:hover {
  border-color: var(--navy-mid);
  color: var(--navy);
  background: var(--ivory);
}

.orbit-node.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.node-k { top: -10px;             left: calc(50% - 26px); }
.node-a { top: calc(30% - 26px);  right: -14px; }
.node-y { bottom: 10px;           right: calc(20% - 26px); }
.node-e { bottom: 10px;           left: calc(20% - 26px); }
.node-n { top: calc(30% - 26px);  left: -14px; }

/* Curriculum content pane */
.curriculum-content-pane {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3.5rem;
  border-radius: var(--radius);
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.curriculum-details { display: none; }

.curriculum-details.active {
  display: block;
  animation: fadeUp 0.4s ease forwards;
}

.curriculum-stage-marker {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.curriculum-stage-marker::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.curriculum-stage-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.curriculum-stage-text {
  font-size: 0.95rem;
  color: var(--text-700);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.curriculum-stage-syllabus {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.curriculum-stage-syllabus h4 {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-bottom: 1.25rem;
}

.syllabus-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.syllabus-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-700);
  line-height: 1.5;
}

.syllabus-item::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 0.45rem;
  flex-shrink: 0;
}

/* ─── Live Patient / Volume ─── */
.volume-section {
  background: var(--navy);
  color: var(--text-inverse);
}

.volume-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
}

.volume-section .section-overline {
  color: rgba(249,250,251,0.55);
}

.volume-section .section-title {
  color: var(--text-inverse);
}

.volume-desc {
  font-size: 1rem;
  color: var(--text-inverse-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.highlight-banner {
  border-left: 2px solid var(--gold-warm);
  padding: 1.25rem 1.75rem;
  margin-top: 2.5rem;
  background: rgba(255,255,255,0.04);
}

.highlight-banner p {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-inverse);
  line-height: 1.65;
}

.stat-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.12);
}

.stat-box {
  background: var(--navy);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
}

.stat-box:hover {
  background: var(--navy-mid);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--text-inverse);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-inverse-muted);
}

/* ─── Faculty ─── */
.faculty-section {
  background: var(--white);
  border-top: 1px solid var(--border);
}

.faculty-showcase-wrapper {
  margin-top: 3.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faculty-showcase-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
}

.faculty-showcase-img {
  background: var(--ivory);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.faculty-showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: var(--transition);
}

.faculty-showcase-img:hover img {
  transform: scale(1.02);
}

.faculty-showcase-info {
  padding: 3.5rem;
}

.faculty-showcase-badge {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}

.faculty-showcase-name {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.faculty-showcase-credentials {
  font-size: 0.8rem;
  color: var(--text-500);
  letter-spacing: 0.04em;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.75rem;
  display: block;
}

.faculty-showcase-bio {
  font-size: 0.95rem;
  color: var(--text-700);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.faculty-milestone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.milestone-item {
  background: var(--white);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: var(--transition);
}

.milestone-item:hover {
  background: var(--ivory);
}

.milestone-num {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--navy);
  display: block;
  margin-bottom: 0.35rem;
}

.milestone-lbl {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.faculty-achievements h4 {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-bottom: 1.25rem;
}

.achievement-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.achievement-list li {
  font-size: 0.875rem;
  color: var(--text-700);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  line-height: 1.6;
}

.achievement-list li::before {
  content: '';
  display: block;
  width: 14px;
  height: 1px;
  background: var(--gold);
  margin-top: 0.65rem;
  flex-shrink: 0;
}

/* ─── Philosophy / Beyond Kaizen ─── */
.philosophy-section {
  background: var(--ivory);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.etymology-box {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3rem;
  border-radius: var(--radius);
}

.etymology-box-title {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.etymology-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.etymology-row:last-child { border-bottom: none; }

.etymology-character {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--navy);
  flex-shrink: 0;
  width: 3rem;
  text-align: center;
}

.etymology-translation {}

.etymology-term {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.etymology-meaning {
  font-size: 0.85rem;
  color: var(--text-500);
  line-height: 1.5;
}

.philosophy-content .section-overline { color: var(--gold); }

.philosophy-content h3 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

.philosophy-content p {
  font-size: 0.975rem;
  color: var(--text-700);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.philosophy-content blockquote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  font-weight: 500;
  color: var(--navy);
  border-left: 2px solid var(--gold);
  padding: 0.5rem 0 0.5rem 2rem;
  margin: 2.5rem 0;
  line-height: 1.5;
}

/* ─── Contact ─── */
.contact-section {
  background: var(--navy-light);
  border-top: 1px solid var(--border);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 6rem;
  align-items: start;
}

.contact-info-panel .section-overline { color: var(--gold); }

.contact-info-panel h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.contact-info-panel > p {
  font-size: 0.95rem;
  color: var(--text-700);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  background: var(--white);
}

.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.contact-item:last-child { border-bottom: none; }

.contact-item:hover { background: var(--ivory); }

.contact-icon {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--navy);
  margin-top: 0.1rem;
}

.contact-text h4 {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-bottom: 0.35rem;
}

.contact-text p {
  font-size: 0.9rem;
  color: var(--navy);
  line-height: 1.5;
}

/* Form */
.form-panel {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.form-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2.5rem;
}

.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-500);
  margin-bottom: 0.6rem;
}

.form-control {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--border-dark);
  padding: 0.85rem 1rem;
  color: var(--text-900);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26,42,66,0.08);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 0.9rem;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-btn { width: 100%; border: none; margin-top: 0.75rem; }

/* ─── Footer ─── */
.site-footer {
  background: var(--navy);
  color: var(--text-inverse);
  padding: 5rem 0 2.5rem;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-wordmark {
  color: var(--text-inverse);
  margin-bottom: 1.5rem;
}

.footer-brand .logo-dot {
  color: var(--gold-warm);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-inverse-muted);
  line-height: 1.75;
}

.footer-brand .footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.875rem;
  color: rgba(249,250,251,0.45);
  margin-top: 1.25rem;
}

.footer-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(249,250,251,0.5);
  margin-bottom: 1.5rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.85rem; }

.footer-link {
  font-size: 0.85rem;
  color: var(--text-inverse-muted);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--text-inverse);
  padding-left: 3px;
}

.footer-newsletter p {
  font-size: 0.85rem;
  color: var(--text-inverse-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.newsletter-form { display: flex; gap: 0.5rem; }

.newsletter-form .form-control {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-inverse);
  padding: 0.75rem 1rem;
}

.newsletter-form .form-control::placeholder { color: rgba(249,250,251,0.4); }

.newsletter-form .form-control:focus {
  border-color: rgba(255,255,255,0.4);
  box-shadow: none;
  background: rgba(255,255,255,0.1);
}

.newsletter-form .btn {
  padding: 0.75rem 1.25rem;
  font-size: 0.8rem;
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  color: var(--text-inverse);
  white-space: nowrap;
}

.newsletter-form .btn:hover {
  background: rgba(255,255,255,0.2);
  transform: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: rgba(249,250,251,0.35);
  font-size: 0.8rem;
}

.footer-legal-links { display: flex; gap: 2rem; }

.footer-legal-links .footer-link {
  font-size: 0.8rem;
  color: rgba(249,250,251,0.35);
}

.footer-legal-links .footer-link:hover {
  color: rgba(249,250,251,0.65);
  padding-left: 0;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  section { padding: 5rem 0; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }

  .hero-overline { justify-content: center; }
  .hero-desc { margin: 0 auto; }
  .btn-group { justify-content: center; }

  .hero-image-frame { max-width: 400px; margin: 0 auto; }

  .pillars-grid { grid-template-columns: repeat(2, 1fr); }

  .curriculum-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .curriculum-visual {
    position: static;
    max-width: 340px;
    margin: 0 auto;
  }

  .volume-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .faculty-showcase-grid {
    grid-template-columns: 1fr;
  }

  .faculty-showcase-img {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 420px;
  }

  .faculty-milestone-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .container { padding: 0 1.5rem; }

  .hero-title { font-size: 3rem; }

  .nav-menu { display: none; }
  .mobile-nav-toggle { display: block; }

  .nav-menu.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--white);
    padding: 6rem 2rem 2rem;
    gap: 2rem;
    z-index: 999;
    align-items: flex-start;
  }

  .nav-menu.is-open .nav-link {
    font-size: 1rem;
    letter-spacing: 0.08em;
  }

  .pillars-grid { grid-template-columns: 1fr; }

  .stat-showcase { grid-template-columns: 1fr; }

  .faculty-showcase-info { padding: 2rem; }

  .faculty-milestone-grid { grid-template-columns: repeat(2, 1fr); }

  .form-panel { padding: 2rem 1.5rem; }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .orbit-container { width: 280px; height: 280px; }

  .curriculum-content-pane { padding: 2rem 1.5rem; }
}