/* style.css — The Pattern Break Course Waitlist
   Brand: forest green + gold + ivory
   Tone: editorial, restrained, masculine, book-cover energy
*/

:root,
[data-theme='light'] {
  /* Surfaces — Ivory & Bone */
  --color-bg: #f5f0e6; /* warm ivory — main background */
  --color-surface: #ede5d4; /* slightly deeper bone — cards, form */
  --color-surface-2: #e5dbc3;
  --color-divider: #d8cdb0;
  --color-border: #c9bda0;

  /* Text — Deep forest ink */
  --color-text: #1a2920; /* near-black with green undertone */
  --color-text-muted: #4a5a4f;
  --color-text-faint: #8a9590;
  --color-text-inverse: #f5f0e6;

  /* Primary — Forest Green */
  --color-primary: #1f4733; /* deep forest */
  --color-primary-hover: #163528;
  --color-primary-active: #0e2418;

  /* Accent — Gold */
  --color-accent: #c9a341; /* warm gold */
  --color-accent-hover: #b8902f;
  --color-accent-active: #9a7820;

  /* Type scale (fluid clamp) */
  --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, 1.4rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1.4rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 1rem + 5.5vw, 6rem);

  /* Spacing */
  --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 */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgb(26 41 32 / 0.06);
  --shadow-md: 0 4px 12px rgb(26 41 32 / 0.1);
  --shadow-lg: 0 12px 32px rgb(26 41 32 / 0.14);

  /* Content widths */
  --content-narrow: 560px;
  --content-default: 720px;
  --content-wide: 1080px;

  /* Fonts */
  --font-display: 'Boska', Georgia, 'Times New Roman', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #11211a;
  --color-surface: #182921;
  --color-surface-2: #1d3027;
  --color-divider: #243a2f;
  --color-border: #2f4a3c;
  --color-text: #ede5d4;
  --color-text-muted: #b8b09e;
  --color-text-faint: #7f7867;
  --color-text-inverse: #1a2920;
  --color-primary: #c9a341;
  --color-primary-hover: #d8b35a;
  --color-primary-active: #b8902f;
  --color-accent: #c9a341;
  --color-accent-hover: #d8b35a;
  --color-accent-active: #b8902f;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.5);
}

/* ============================================
   LAYOUT
   ============================================ */
body {
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: -0.005em;
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.container--narrow {
  max-width: var(--content-default);
}

main {
  display: flex;
  flex-direction: column;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.header {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.brand__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand__wordmark {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-2xl);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--color-text);
  max-width: 18ch;
  margin-bottom: var(--space-6);
}

.hero__headline em {
  font-style: italic;
  color: var(--color-primary);
}

.hero__subhead {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: var(--space-10);
}

/* ============================================
   FORM
   ============================================ */
.waitlist-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  max-width: 520px;
  box-shadow: var(--shadow-sm);
}

.waitlist-card__label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.waitlist-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 540px) {
  .waitlist-form__row {
    grid-template-columns: 1fr auto;
  }
}

.waitlist-form__input {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-base);
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 52px;
}

.waitlist-form__input::placeholder {
  color: var(--color-text-faint);
}

.waitlist-form__input:focus-visible {
  border-color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.waitlist-form__button {
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  min-height: 52px;
  white-space: nowrap;
}

.waitlist-form__button:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.waitlist-form__button:active {
  background: var(--color-primary-active);
}

.waitlist-form__footnote {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  line-height: 1.5;
}

.waitlist-form__success {
  display: none;
  padding: var(--space-5);
  background: rgb(31 71 51 / 0.08);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 1.4;
  text-align: center;
}

.waitlist-form.is-submitted .waitlist-form__row,
.waitlist-form.is-submitted .waitlist-form__footnote {
  display: none;
}

.waitlist-form.is-submitted .waitlist-form__success {
  display: block;
}

/* ============================================
   OUTCOMES BANNER — Week 1 / Day 30 / Day 90
   ============================================ */
.outcomes {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.outcomes__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.outcomes__heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--color-text);
  max-width: 26ch;
  margin-bottom: var(--space-10);
}

.outcomes__heading em {
  font-style: italic;
  color: var(--color-primary);
}

.outcomes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 720px) {
  .outcomes__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }
}

.outcomes__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-primary);
}

.outcomes__timeframe {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.outcomes__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.2;
  color: var(--color-text);
}

.outcomes__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ============================================
   PROMISE SECTION (what's coming)
   ============================================ */
.promise {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-top: 1px solid var(--color-divider);
}

.promise__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.promise__heading {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--color-text);
  max-width: 22ch;
  margin-bottom: var(--space-10);
}

.promise__heading em {
  font-style: italic;
  color: var(--color-primary);
}

.promise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 720px) {
  .promise__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }
}

.promise__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.promise__num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: 0;
}

.promise__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  line-height: 1.2;
  color: var(--color-text);
}

.promise__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ============================================
   AUTHOR SECTION
   ============================================ */
.author {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.author__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (min-width: 720px) {
  .author__inner {
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-16);
  }
}

.author__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.author__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-xl);
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.author__credentials {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.author__bio {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.author__bio strong {
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.footer__links {
  display: inline-flex;
  gap: var(--space-6);
}

.footer__link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
}

.footer__link:hover {
  color: var(--color-text);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}