/* ============ DESIGN TOKENS ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-hero: clamp(2.5rem, 1rem + 4.5vw, 4.75rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1.25rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16,1,0.3,1);

  --font-display: 'Noto Serif Display', Georgia, serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1180px;
}

:root, [data-theme='light'] {
  --color-bg: #F7E9E3;
  --color-surface: #FBF3EF;
  --color-surface-2: #FDF8F5;
  --color-border: #E0CFC5;
  --color-divider: #E7D8CE;

  --color-text: #1A1512;
  --color-text-muted: #5F524C;
  --color-text-faint: #9C8D84;
  --color-text-inverse: #F7E9E3;

  --color-primary: #7A1B1B;
  --color-primary-hover: #5C1414;
  --color-primary-highlight: #EFD9D3;

  --shadow-sm: 0 1px 2px rgba(26,21,18,0.06);
  --shadow-md: 0 6px 20px rgba(26,21,18,0.10);
  --shadow-lg: 0 16px 40px rgba(26,21,18,0.16);
}

[data-theme='dark'] {
  --color-bg: #1A1512;
  --color-surface: #241D19;
  --color-surface-2: #2A221D;
  --color-border: #3B2F28;
  --color-divider: #332924;

  --color-text: #F1E5DE;
  --color-text-muted: #B9A89D;
  --color-text-faint: #7D6C62;
  --color-text-inverse: #1A1512;

  --color-primary: #C97C6A;
  --color-primary-hover: #E0A292;
  --color-primary-highlight: #3A2420;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.45);
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth; scroll-padding-top: 88px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; line-height: 1.15; font-weight: 500; }
p { text-wrap: pretty; max-width: 62ch; }
a { color: inherit; text-decoration: none; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

/* ============ HEADER ============ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.header--scrolled { border-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
}
.logo {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text);
}
.nav { display: flex; align-items: center; gap: var(--space-8); font-size: var(--text-sm); }
.nav a:not(.nav__cta) { color: var(--color-text-muted); transition: color var(--transition-interactive); }
.nav a:not(.nav__cta):hover { color: var(--color-primary); }
.nav__cta {
  background: var(--color-primary); color: #FBF3EF; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full); font-weight: 600;
}
.nav__cta:hover { background: var(--color-primary-hover); }
.theme-toggle { display: flex; align-items: center; justify-content: center; padding: var(--space-2); color: var(--color-text-muted); border-radius: var(--radius-full); }
.theme-toggle:hover { color: var(--color-primary); background: var(--color-surface); }

/* ============ HERO ============ */
.hero { position: relative; padding-top: var(--space-16); overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, color-mix(in oklab, var(--color-bg) 30%, transparent) 0%, var(--color-bg) 92%);
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--content-default); margin: 0 auto;
  padding: clamp(var(--space-16), 14vw, var(--space-32)) var(--space-6) clamp(var(--space-16), 10vw, var(--space-24));
}
.hero__title { font-size: var(--text-hero); max-width: 16ch; margin-bottom: var(--space-6); }
.hero__subhead { font-size: var(--text-lg); color: var(--color-text); max-width: 46ch; margin-bottom: var(--space-8); }
.hero__ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.btn--primary { background: var(--color-primary); color: #FBF3EF; }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--block { width: 100%; }
.btn--lg { padding: var(--space-5) var(--space-10); font-size: var(--text-base); }

/* ============ SECTIONS shared ============ */
section { padding-block: clamp(var(--space-16), 9vw, var(--space-24)); }
.section-head { max-width: var(--content-narrow); margin: 0 auto var(--space-12); text-align: center; }
.section-head h2 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
.section-head--speaking {
  display: flex; align-items: flex-start; gap: var(--space-6); text-align: left; max-width: var(--content-default);
  padding-inline: var(--space-6);
}
.section-head__photo {
  width: 88px; height: 88px; border-radius: 50%; object-fit: cover; object-position: 50% 30%;
  box-shadow: var(--shadow-md); flex-shrink: 0; margin-top: 4px; margin-left: var(--space-4);
}
.section-head--speaking .section-head__text { text-align: left; }
@media (max-width: 640px) {
  .section-head--speaking { flex-direction: column; align-items: flex-start; text-align: center; }
  .section-head--speaking .section-head__text { text-align: center; }
  .section-head--speaking { align-items: center; }
}
.offer__lede { color: var(--color-text-muted); margin: 0 auto; }

/* ============ AWARDS ============ */
.awards {
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.awards__inner {
  max-width: var(--content-wide); margin: 0 auto; padding-inline: var(--space-6);
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: var(--space-3); text-align: center;
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-text-muted); font-weight: 600;
}
.awards__dot { color: var(--color-primary); }

/* ============ STORY ============ */
.story { background: var(--color-surface); }
.story__grid {
  max-width: var(--content-wide); margin: 0 auto; padding-inline: var(--space-6);
  display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(var(--space-8), 6vw, var(--space-20)); align-items: center;
}
.story__image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top center; }
.story__content h2 { font-size: var(--text-2xl); margin-bottom: var(--space-5); }
.story__content p { margin-bottom: var(--space-4); color: var(--color-text-muted); }
.story__pull {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--color-text); border-left: 3px solid var(--color-primary);
  padding-left: var(--space-5); margin-top: var(--space-6);
}

/* ============ OFFER ============ */
.offer { max-width: var(--content-wide); margin: 0 auto; padding-inline: var(--space-6); }
.offer__body {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start; max-width: 980px; margin: 0 auto;
}
.offer__list { display: flex; flex-direction: column; gap: var(--space-6); }
.offer__list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.offer__list svg { flex-shrink: 0; margin-top: 3px; color: var(--color-primary); }
.offer__list span { color: var(--color-text); }

.price-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-8);
  text-align: center; box-shadow: var(--shadow-sm);
}
.price-card__label { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-1); }
.price-card__value { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-primary); margin-bottom: var(--space-4); }
.price-card__value span { font-size: var(--text-sm); font-family: var(--font-body); color: var(--color-text-muted); }
.price-card__note { font-size: var(--text-xs); color: var(--color-text-faint); margin: var(--space-4) auto var(--space-6); }

/* ============ SPEAKING ============ */
.speaking { background: var(--color-surface); }
.talks {
  max-width: var(--content-wide); margin: 0 auto var(--space-10); padding-inline: var(--space-6);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}
.talk-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.talk-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.talk-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.talk-card p { color: var(--color-text-muted); font-size: var(--text-sm); margin: 0; }
.speaking__format { text-align: center; color: var(--color-text-muted); max-width: 52ch; margin: 0 auto var(--space-8); }
.speaking__ctas { display: flex; justify-content: center; gap: var(--space-4); flex-wrap: wrap; }

/* ============ CLOSING CTA ============ */
.closing { background: var(--color-primary); color: #FBF3EF; }
.closing__inner { max-width: var(--content-narrow); margin: 0 auto; padding-inline: var(--space-6); text-align: center; }
.closing h2 { font-size: var(--text-2xl); color: #FBF3EF; margin-bottom: var(--space-5); }
.closing p { color: color-mix(in oklab, #FBF3EF 78%, transparent); margin: 0 auto var(--space-8); }
.closing .btn--primary { background: #FBF3EF; color: var(--color-primary); }
.closing .btn--primary:hover { background: #fff; }

/* ============ FOOTER ============ */
.footer { padding-block: var(--space-10); border-top: 1px solid var(--color-border); }
.footer__inner {
  max-width: var(--content-wide); margin: 0 auto; padding-inline: var(--space-6);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4);
}
.footer__brand { display: flex; align-items: center; gap: var(--space-3); color: var(--color-text-muted); }
.footer__name { font-family: var(--font-display); color: var(--color-text); font-size: var(--text-sm); }
.footer__role { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer__email { font-size: var(--text-sm); color: var(--color-primary); }
.footer__email:hover { color: var(--color-primary-hover); }

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

/* ============ RESPONSIVE ============ */
@media (max-width: 860px) {
  .nav { display: none; }
  .story__grid { grid-template-columns: 1fr; }
  .offer__body { grid-template-columns: 1fr; }
  .talks { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero__inner { padding-top: var(--space-12); }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
}