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

:root {
  --indigo:    #1B2A4A;
  --warm-dark: #12213A;
  --glow:      #C4922A;
  --white:     #FAF8F4;

  --serif: 'Spectral', Georgia, serif;
  --sans:  'Inter', system-ui, sans-serif;

  --ink:       #1C1A18;

  --max: 1200px;
  --pad: clamp(1.5rem, 5vw, 4rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  background: var(--white);
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.2;
}

h1 { font-size: clamp(2.6rem, 6.5vw, 5.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }

.label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--glow);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ─── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem var(--pad);
  transition: background 0.4s, backdrop-filter 0.4s;
}

.nav.scrolled {
  background: rgba(18, 33, 58, 0.94);
  backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--white);
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; }

.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--glow); }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(18,33,58,0.92) 0%,
    rgba(18,33,58,0.3)  55%,
    rgba(18,33,58,0.05) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: var(--pad);
  padding-bottom: clamp(3rem, 8vh, 6rem);
}

.hero-content .label { margin-bottom: 1.2rem; }

.hero-content h1 {
  color: var(--white);
  max-width: 14ch;
  margin-bottom: 1.8rem;
}

.hero-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-meta-item span {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--glow);
  margin-bottom: 0.25rem;
}

.hero-meta-item strong {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  font-style: italic;
  color: rgba(255,255,255,0.9);
}

/* ─── Intro band ───────────────────────────────────────────── */
.intro-band { background: var(--warm-dark); }

.intro-band .section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.intro-band .label { margin-bottom: 1rem; }
.intro-band h2 { color: var(--white); margin-bottom: 1.5rem; }

.intro-band p {
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
}

.intro-band p + p { margin-top: 1rem; }

.detail-list { list-style: none; display: flex; flex-direction: column; gap: 1.6rem; }

.detail-list li {
  border-top: 1px solid rgba(78,205,196,0.2);
  padding-top: 1.2rem;
}

.detail-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--glow);
  margin-bottom: 0.35rem;
}

.detail-value {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--white);
  line-height: 1.4;
}

/* ─── Full-bleed image ─────────────────────────────────────── */
.img-full { height: clamp(300px, 38vw, 540px); overflow: hidden; }

.img-full img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 50%;
}

/* ─── What band ────────────────────────────────────────────── */
.what-band { background: var(--indigo); }

.what-band .section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 8rem);
  align-items: start;
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.what-band .label { margin-bottom: 1rem; }
.what-band h2 { color: var(--white); margin-bottom: 1.5rem; }
.what-band p { color: rgba(255,255,255,0.72); font-size: 1.05rem; }
.what-band p + p { margin-top: 1rem; }

.what-pillars { display: flex; flex-direction: column; gap: 1.8rem; padding-top: 0.5rem; }

.pillar { border-left: 2px solid var(--glow); padding-left: 1.2rem; }

.pillar h4 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.pillar p { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.55; }

/* ─── CTA band ─────────────────────────────────────────────── */
.cta-band {
  position: relative;
  overflow: hidden;
  min-height: 460px;
  display: flex;
  align-items: center;
}

.cta-band-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.cta-band-overlay {
  position: absolute; inset: 0;
  background: rgba(18,33,58,0.78);
}

.cta-band-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 6rem) var(--pad);
  text-align: center;
  width: 100%;
}

.cta-band-content h2 {
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-band-content p {
  color: rgba(255,255,255,0.72);
  max-width: 46ch;
  margin: 0 auto 2rem;
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  transition: background 0.2s, color 0.2s;
}

.btn-light { color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn-light:hover { background: var(--white); color: var(--indigo); }

/* ─── Footer ───────────────────────────────────────────────── */
footer {
  background: var(--warm-dark);
  color: rgba(255,255,255,0.4);
  text-align: center;
  padding: 2.5rem var(--pad);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

/* ─── Page header (inner pages) ────────────────────────────── */
.page-header {
  position: relative;
  height: clamp(320px, 45vw, 560px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: 0;
}

.page-header-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-header-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(18,33,58,0.88) 0%,
    rgba(18,33,58,0.3)  60%,
    rgba(18,33,58,0.05) 100%
  );
}

.page-header-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: var(--pad);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-header-content .label { margin-bottom: 0.8rem; }
.page-header-content h1 { color: var(--white); }

/* ─── Content band (light) ─────────────────────────────────── */
.content-band { background: var(--white); }

.content-band .section {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

/* ─── Schedule ─────────────────────────────────────────────── */
.schedule-note {
  background: rgba(196,146,42,0.08);
  border-left: 3px solid var(--glow);
  padding: 1rem 1.4rem;
  margin-bottom: 2.5rem;
  font-size: 0.88rem;
  color: #5A4E3A;
  line-height: 1.6;
}

.schedule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.schedule-list li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  align-items: baseline;
}

.schedule-time {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--glow);
  padding-top: 0.1rem;
}

.schedule-item {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink);
}

/* ─── Sessions ─────────────────────────────────────────────── */
.sessions-note {
  background: rgba(196,146,42,0.08);
  border-left: 3px solid var(--glow);
  padding: 1rem 1.4rem;
  margin-bottom: 3rem;
  font-size: 0.88rem;
  color: #5A4E3A;
  line-height: 1.6;
}

.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.session-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-top: 1px solid rgba(0,0,0,0.08);
  align-items: start;
}

.session-item:last-child { border-bottom: 1px solid rgba(0,0,0,0.08); }

.session-number {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--glow);
  margin-bottom: 0.6rem;
}

.session-item h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--ink);
  margin-bottom: 0;
}

.session-item p {
  font-size: 1rem;
  color: #555;
  line-height: 1.7;
}

/* ─── Two-column content ───────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

/* ─── Contact form ─────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.contact-intro h2 { color: var(--ink); margin-bottom: 1rem; }
.contact-intro p  { color: #555; font-size: 1rem; line-height: 1.7; }
.contact-intro p + p { margin-top: 0.8rem; }

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-field { display: flex; flex-direction: column; gap: 0.4rem; }

.form-field label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7A6E62;
}

.form-field input,
.form-field textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid #D5C9BB;
  background: var(--white);
  color: var(--ink);
  border-radius: 0;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--glow);
}

.form-field textarea { resize: vertical; min-height: 140px; }

.form-submit {
  align-self: flex-start;
  padding: 0.8rem 2.2rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--warm-dark);
  color: var(--white);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.form-submit:hover { background: var(--indigo); }

/* ─── Placeholder band ─────────────────────────────────────── */
.placeholder-band { background: var(--white); }
.placeholder-band .section {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  max-width: 720px;
}
.placeholder-band .label { margin-bottom: 1rem; }
.placeholder-band h2 { color: var(--ink); margin-bottom: 1.5rem; }
.placeholder-band p { color: #555; font-size: 1.05rem; line-height: 1.8; }
.placeholder-band p + p { margin-top: 1rem; }

/* ─── Session cards grid ───────────────────────────────────── */
.session-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem 2.5rem;
  margin-top: 2.5rem;
}

.session-card {}

.session-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  margin-bottom: 1.2rem;
}

.session-card .session-number {
  margin-bottom: 0.4rem;
}

.session-card h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--ink);
  margin-bottom: 0.6rem;
}

.session-card p {
  font-size: 0.93rem;
  color: #555;
  line-height: 1.7;
}

/* ─── Hamburger button ─────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 860px) {
  .intro-band .section,
  .what-band .section,
  .two-col,
  .contact-layout { grid-template-columns: 1fr; }

  .session-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .session-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* Show hamburger, hide desktop links */
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(18, 33, 58, 0.97);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.8rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.85);
  }

  .nav-links a:hover { color: var(--glow); }

  /* Smaller hero text on phone */
  .hero-content h1 { font-size: clamp(2.2rem, 10vw, 3.5rem); }

  /* Schedule time column narrower on small screens */
  .schedule-list li { grid-template-columns: 5rem 1fr; }

  /* Session cards single column on mobile */
  .session-cards { gap: 2.5rem; }
}