/* ============================================
   SelfActual — Brand System & Global Styles
   ============================================ */

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

:root {
  /* Brand Colors — from logo gradient */
  --cyan: #00E5D0;
  --cyan-light: #4AEADB;
  --blue: #2B6AFF;
  --blue-deep: #1B4FD8;
  --gradient-brand: linear-gradient(135deg, #00E5D0 0%, #2B6AFF 100%);
  --gradient-brand-subtle: linear-gradient(135deg, rgba(0,229,208,0.08) 0%, rgba(43,106,255,0.08) 100%);
  --gradient-brand-hover: linear-gradient(135deg, #00E5D0 0%, #1B4FD8 100%);

  /* Neutrals */
  --cream: #FAFAF7;
  --cream-warm: #F5F3EE;
  --stone: #E8E5DE;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A5A;
  --text-tertiary: #7A7A8A;
  --white: #FFFFFF;
  --dark: #0D0D1A;

  /* Accent — warm complement to cool brand colors */
  --coral: #FF6B54;
  --coral-hover: #E85A44;
  --amber: #FFB347;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-text: 640px;
  --nav-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
}

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&family=DM+Serif+Display&family=JetBrains+Mono:wght@400&display=swap');

/* --- Global --- */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--cream);
}

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p { max-width: 65ch; }

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-2xl) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__logo img {
  height: 32px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text-primary);
}

.nav__links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 1px;
}

.nav__cta {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.3rem;
  background: var(--gradient-brand);
  color: var(--white);
  border-radius: 100px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(43, 106, 255, 0.3);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* --- Hero --- */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--white);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(43, 106, 255, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--stone);
}

.btn--secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn--ghost {
  background: transparent;
  color: var(--blue);
  padding: 0.85rem 0;
}

.btn--ghost:hover {
  color: var(--blue-deep);
}

.btn--ghost::after {
  content: '→';
  transition: transform 0.2s ease;
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

/* --- Waitlist Form --- */
.waitlist {
  display: flex;
  gap: var(--space-xs);
  max-width: 440px;
  margin: 0 auto;
}

.waitlist input {
  flex: 1;
  padding: 0.85rem 1.2rem;
  border: 1.5px solid var(--stone);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  outline: none;
  transition: border-color 0.2s ease;
}

.waitlist input:focus {
  border-color: var(--cyan);
}

.waitlist input::placeholder {
  color: var(--text-tertiary);
}

/* --- Cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: rgba(0,0,0,0.1);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
}

.card__icon--imprint {
  background: linear-gradient(135deg, rgba(0,229,208,0.12), rgba(0,229,208,0.04));
  color: #00C4B4;
}

.card__icon--atlas {
  background: linear-gradient(135deg, rgba(43,106,255,0.12), rgba(43,106,255,0.04));
  color: var(--blue);
}

.card__icon--prompter {
  background: linear-gradient(135deg, rgba(255,179,71,0.15), rgba(255,179,71,0.05));
  color: #E09A30;
}

.card h3 {
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card__features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 1.4rem;
  position: relative;
}

.card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  margin-top: var(--space-sm);
}

.badge--active {
  background: rgba(0,229,208,0.12);
  color: #00A89A;
}

.badge--soon {
  background: rgba(255,179,71,0.15);
  color: #C08020;
}

/* --- Trust Section --- */
.trust {
  background: var(--cream-warm);
  border-top: 1px solid rgba(0,0,0,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.trust__item h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
}

.trust__item p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.trust__icon {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  display: block;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  counter-reset: step;
}

.step {
  counter-increment: step;
  position: relative;
  padding-top: var(--space-lg);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 2.8rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  position: absolute;
  top: 0;
  left: 0;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.step p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* --- Coaches Section --- */
.coaches {
  text-align: center;
}

.coaches p {
  margin: var(--space-sm) auto var(--space-lg);
  color: var(--text-secondary);
}

/* --- Pull Quote --- */
.pullquote {
  background: var(--dark);
  color: var(--white);
  padding: var(--space-2xl) 0;
}

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

.pullquote .label {
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-lr;
  text-orientation: mixed;
  transform: rotate(180deg);
  align-self: center;
}

.pullquote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  line-height: 1.5;
  max-width: 700px;
  opacity: 0.9;
}

/* --- Page Header (for sub-pages) --- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-2xl));
  padding-bottom: var(--space-xl);
}

.page-header .label {
  margin-bottom: var(--space-sm);
  display: block;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* --- Feature Blocks (sub-pages) --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.feature-block:nth-child(even) {
  direction: rtl;
}

.feature-block:nth-child(even) > * {
  direction: ltr;
}

.feature-block__content h2 {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}

.feature-block__content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.feature-block__visual {
  background: var(--cream-warm);
  border-radius: var(--border-radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,0,0,0.04);
}

.feature-block__visual-placeholder {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* --- The Non-Negotiables (Imprint page) --- */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.principle {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
}

.principle__icon {
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.principle h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
  font-family: var(--font-body);
  font-weight: 600;
}

.principle p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Team (About page) --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.team-member {
  text-align: center;
}

.team-member__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-brand-subtle);
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--blue);
  font-family: var(--font-display);
}

.team-member h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.team-member p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin: 0 auto;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-section h2 {
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: var(--text-secondary);
  margin: 0 auto var(--space-lg);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: var(--space-lg) 0;
}

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

.footer__left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__left img {
  height: 24px;
  width: auto;
  opacity: 0.6;
}

.footer__left span {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer__links a {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--text-primary); }

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.7s ease forwards;
}

.fade-up--d1 { animation-delay: 0.1s; opacity: 0; }
.fade-up--d2 { animation-delay: 0.2s; opacity: 0; }
.fade-up--d3 { animation-delay: 0.3s; opacity: 0; }
.fade-up--d4 { animation-delay: 0.4s; opacity: 0; }

/* --- Responsive --- */
@media (max-width: 900px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .feature-block:nth-child(even) { direction: ltr; }

  .trust__grid,
  .steps {
    grid-template-columns: 1fr;
  }

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

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

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

  .pullquote .label {
    writing-mode: horizontal-tb;
    transform: none;
  }
}

@media (max-width: 680px) {
  section {
    padding: var(--space-xl) 0;
  }

  .nav__links {
    display: none;
  }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--cream);
    padding: var(--space-md);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    gap: var(--space-sm);
  }

  .nav__toggle {
    display: block;
  }

  .nav__cta--desktop { display: none; }

  .waitlist {
    flex-direction: column;
  }

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

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

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-xl);
  }

  .footer .container {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}