/* Art direction: AI content creator personal brand → bold, dark, authoritative
   Palette: dark/warm blacks, crisp white text, red accent (#E63946) matching YouTube banner
   Typography: Cabinet Grotesk (display, bold/confident) + General Sans (body, clean/readable)
   Density: spacious — hero-driven personal brand site */

/* === TYPE SCALE === */
: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,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);
}

/* === SPACING === */
:root {
  --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;
}

/* === FONTS === */
:root {
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
}

/* === CUSTOM DARK-FIRST PALETTE === */
:root {
  --color-bg:             #0D0D0D;
  --color-surface:        #141414;
  --color-surface-2:      #1A1A1A;
  --color-surface-offset: #111111;
  --color-surface-offset-2: #1E1E1E;
  --color-surface-dynamic: #252525;
  --color-divider:        #2A2A2A;
  --color-border:         #333333;

  --color-text:           #F0EFED;
  --color-text-muted:     #9A9996;
  --color-text-faint:     #5C5B59;
  --color-text-inverse:   #0D0D0D;

  --color-primary:        #E63946;
  --color-primary-hover:  #D32F3F;
  --color-primary-active: #B8232F;
  --color-primary-highlight: #3A1F22;
  --color-primary-subtle: rgba(230, 57, 70, 0.08);

  --color-success:        #6DAA45;
  --color-warning:        #E8AF34;
  --color-error:          #E63946;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* === LIGHT MODE — intentionally designed, not just inverted === */
html[data-theme="light"],
:root[data-theme="light"] {
  --color-bg:             #F8F7F4;
  --color-surface:        #FFFFFF;
  --color-surface-2:      #F2F1ED;
  --color-surface-offset: #EDECEA;
  --color-surface-offset-2: #E5E4E0;
  --color-surface-dynamic: #D9D8D4;
  --color-divider:        #D4D2CD;
  --color-border:         #C9C7C2;

  --color-text:           #1A1A1A;
  --color-text-muted:     #5A5A5A;
  --color-text-faint:     #9A9A9A;
  --color-text-inverse:   #F8F7F4;

  --color-primary:        #D32F3F;
  --color-primary-hover:  #B8232F;
  --color-primary-active: #9E1A26;
  --color-primary-highlight: #FDF0F1;
  --color-primary-subtle: rgba(211, 47, 63, 0.06);

  --color-success:        #437A22;
  --color-warning:        #D19900;
  --color-error:          #D32F3F;

  --shadow-sm: 0 1px 3px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 40px oklch(0.2 0.01 80 / 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #F8F7F4;
    --color-surface:        #FFFFFF;
    --color-surface-2:      #F2F1ED;
    --color-surface-offset: #EDECEA;
    --color-surface-offset-2: #E5E4E0;
    --color-surface-dynamic: #D9D8D4;
    --color-divider:        #D4D2CD;
    --color-border:         #C9C7C2;
    --color-text:           #1A1A1A;
    --color-text-muted:     #5A5A5A;
    --color-text-faint:     #9A9A9A;
    --color-text-inverse:   #F8F7F4;
    --color-primary:        #D32F3F;
    --color-primary-hover:  #B8232F;
    --color-primary-active: #9E1A26;
    --color-primary-highlight: #FDF0F1;
    --color-primary-subtle: rgba(211, 47, 63, 0.06);
    --color-success:        #437A22;
    --color-warning:        #D19900;
    --color-error:          #D32F3F;
    --shadow-sm: 0 1px 3px oklch(0.2 0.01 80 / 0.06);
    --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.08);
    --shadow-lg: 0 12px 40px oklch(0.2 0.01 80 / 0.12);
  }
}

/* === GLOBAL STYLES === */

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.4);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  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;
}
.header__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header__logo .accent {
  color: var(--color-primary);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.header__nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}
.header__nav a:hover {
  color: var(--color-text);
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header__cta-btn {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  gap: var(--space-1);
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-menu.is-open {
  display: flex;
}
.mobile-menu__close {
  align-self: flex-end;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}
.mobile-menu a:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__cta-btn { display: none !important; }
  .theme-toggle { order: -1; }
  .mobile-menu-btn { display: flex; }
}

/* === HERO OPT-IN — Two-column layout === */
.hero-optin {
  position: relative;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-6) clamp(var(--space-8), 4vw, var(--space-16));
  overflow: hidden;
}
.hero-optin__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-12);
  align-items: start;
}

/* Left column: copy + form */
.hero-optin__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Social proof badge */
.hero-optin__badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

/* Main heading */
.hero-optin__heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text);
}
.hero-optin__underline {
  position: relative;
  display: inline-block;
  color: var(--color-primary);
}
.hero-optin__underline::after {
  content: '';
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: 0.04em;
  height: 0.14em;
  background: var(--color-primary);
  border-radius: 4px;
  z-index: -1;
}

/* Subtitle */
.hero-optin__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

/* === OPT-IN CARD === */
.optin-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  width: 100%;
  text-align: left;
  box-shadow: var(--shadow-md);
}
.optin-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.optin-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.optin-card__highlight {
  color: var(--color-primary);
  font-weight: 700;
}
.optin-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.optin-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  text-align: left;
}
.optin-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.optin-card__list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}
.optin-card__list li strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Email form */
.optin-card__form {
  display: flex;
  gap: var(--space-3);
  width: 100%;
}
.optin-card__form input[type="email"] {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  min-width: 0;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.optin-card__form input[type="email"]::placeholder {
  color: var(--color-text-faint);
}
.optin-card__form input[type="email"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.optin-card__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

@media (max-width: 560px) {
  .optin-card__form {
    flex-direction: column;
  }
  .optin-card__form .btn--lg {
    width: 100%;
    justify-content: center;
  }
}

/* === RIGHT COLUMN: Ebook + Creator === */
.hero-optin__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-8);
}
.hero-optin__ebook {
  width: 260px;
  perspective: 800px;
}
.hero-optin__ebook img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow:
    var(--shadow-lg),
    6px 6px 0 0 oklch(from var(--color-primary) l c h / 0.2);
  transform: rotateY(-4deg);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-optin__ebook:hover img {
  transform: rotateY(0deg) scale(1.03);
  box-shadow: var(--shadow-lg);
}

/* Creator chip */
.hero-optin__creator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}
.hero-optin__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
}
.hero-optin__creator-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.hero-optin__creator-info strong {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}
.hero-optin__creator-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* Hero responsive — stack on mobile */
@media (max-width: 900px) {
  .hero-optin__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-optin__copy {
    align-items: center;
  }
  .hero-optin__badge {
    align-self: center;
  }
  .hero-optin__subtitle {
    margin: 0 auto;
  }
  .hero-optin__visual {
    padding-top: 0;
  }
  .hero-optin__ebook {
    width: 200px;
  }
}

@media (max-width: 560px) {
  .hero-optin {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .hero-optin__ebook {
    width: 160px;
  }
}

/* === ABOUT FEATURE (below fold) === */
.about-feature {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: center;
}
.about-feature__image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.about-feature__portrait {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}
/* Reuse existing .hero__image-glow for the red glow effect */
.hero__image-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: radial-gradient(circle, oklch(from var(--color-primary) l c h / 0.15) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 0;
}
.about-feature__content {
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  .about-feature {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-feature__image { order: -1; }
  .about-feature__portrait { max-width: 280px; }
  .about-feature__content { align-items: center; }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.btn--primary {
  background: var(--color-primary);
  color: #FFFFFF;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #FFFFFF;
}
.btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}

/* === SECTION LAYOUT — tighter spacing to fix dead zones === */
.section {
  padding: clamp(var(--space-10), 5vw, var(--space-16)) var(--space-6);
}
.section--alt {
  background: var(--color-surface);
}
.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.section__header {
  margin-bottom: var(--space-10);
}
.section__tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* === ABOUT === */
.about-body {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}
.about-stat__number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.about-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

@media (max-width: 768px) {
  .about-stats { grid-template-columns: repeat(3, 1fr); }
}

/* === CONTENT CARDS (What I Cover) === */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.content-card {
  background: var(--color-surface-2);
  border: 1px solid oklch(from var(--color-border) l c h / 0.5);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.content-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
/* Featured card styling */
.content-card--featured {
  border-color: oklch(from var(--color-primary) l c h / 0.3);
  background: var(--color-primary-subtle);
}
.content-card--featured:hover {
  border-color: var(--color-primary);
}
.content-card__tag {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.content-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}
.content-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
}
.content-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .content-grid { grid-template-columns: 1fr; }
}

/* === VIDEO CARD GRID === */
.video-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.video-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid oklch(from var(--color-border) l c h / 0.4);
  text-decoration: none;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}
.video-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.video-card:active {
  transform: translateY(0);
}
.video-card__play {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.video-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.video-card__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.45;
}
.video-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.section-cta {
  text-align: center;
  margin-top: var(--space-8);
}

@media (max-width: 900px) {
  .video-card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .video-card-grid { grid-template-columns: 1fr; }
  .video-card { padding: var(--space-5); }
}

/* btn--lg (shared) */
.btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  white-space: nowrap;
}

/* === BOTTOM CTA SECTION === */
.bottom-cta {
  background: var(--color-primary-subtle);
  border-top: 1px solid oklch(from var(--color-primary) l c h / 0.15);
  border-bottom: 1px solid oklch(from var(--color-primary) l c h / 0.15);
}
.bottom-cta__inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}
.bottom-cta__heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.bottom-cta__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}
.bottom-cta__form {
  display: flex;
  gap: var(--space-3);
  width: 100%;
  max-width: 480px;
}
.bottom-cta__form input[type="email"] {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  min-width: 0;
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.bottom-cta__form input[type="email"]::placeholder {
  color: var(--color-text-faint);
}
.bottom-cta__form input[type="email"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

@media (max-width: 560px) {
  .bottom-cta__form {
    flex-direction: column;
  }
  .bottom-cta__form .btn--lg {
    width: 100%;
    justify-content: center;
  }
}

/* === STICKY MOBILE CTA === */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 45;
  padding: var(--space-3) var(--space-4);
  background: oklch(from var(--color-bg) l c h / 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid oklch(from var(--color-border) l c h / 0.4);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.sticky-mobile-cta.is-visible {
  transform: translateY(0);
}
.sticky-mobile-cta__btn {
  width: 100%;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
}

@media (max-width: 768px) {
  .sticky-mobile-cta { display: block; }
  /* Add bottom padding to body so footer isn't hidden behind sticky CTA */
  body { padding-bottom: 68px; }
}

/* === FOOTER === */
.footer {
  padding: var(--space-10) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-12);
}
.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 32ch;
}
.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.footer__social a:hover {
  color: var(--color-primary);
  background: var(--color-surface-dynamic);
}
.footer__heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__links a:hover {
  color: var(--color-text);
}
.footer__bottom {
  max-width: var(--content-wide);
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__bottom a:hover {
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
}

/* === SCROLL ANIMATIONS === */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* === SR-ONLY (screen-reader only) === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* === SKIP LINK === */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 200;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}