/* ============================================
   Kindread — The Reading Nook
   Waitlist Landing Page Styles
   Two-Column Above-the-Fold Layout
   ============================================ */

/* --- Brand Tokens --- */
:root {
  --color-page: #F7F5F0;
  --color-sage: #5A7A5D;
  --color-sage-dark: #4D684F;
  --color-charcoal: #3E3E3C;
  --color-terracotta: #D68C68;
  --color-mustard: #C9A66B;
  --color-slate: #6B7C8E;
  --color-card: #FFFFFF;
  --font-heading: 'Lora', Georgia, serif;
  --font-body: 'Quicksand', 'Helvetica Neue', sans-serif;
  --radius-pill: 999px;
  --radius-card: 20px;
  --shadow-card: 0 4px 20px rgba(62, 62, 60, 0.08);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background-color: var(--color-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Paper grain overlay via SVG noise */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

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

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

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
}

/* ============================================
   Main Content — Two-Column Layout
   ============================================ */
.main-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 48px 40px;
  width: 100%;
}

/* --- Left Column: Text Content --- */
.content-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 24px;
}

.headline {
  font-size: clamp(36px, 4vw, 56px);
  color: var(--color-charcoal);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.subheadline {
  font-family: var(--font-body);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 500;
  color: var(--color-charcoal);
  opacity: 0.8;
  line-height: 1.5;
  margin-bottom: 20px;
}

.story-opening {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  color: var(--color-charcoal);
  margin-bottom: 20px;
}

.story-body {
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.75;
  color: var(--color-charcoal);
  opacity: 0.85;
}

/* --- Right Column: Cards Grid --- */
.content-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 440px;
}

.grid-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.grid-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(62, 62, 60, 0.12);
}

/* Logo Card */
.logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  padding: 0;
  overflow: hidden;
}

.logo-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-card);
}

/* Principle Cards */
.principle-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  aspect-ratio: 1;
}

.principle-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
}

.principle-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 0;
  color: var(--color-charcoal);
}

/* ============================================
   Footer Signup Bar
   ============================================ */
.footer-signup {
  background-color: var(--color-sage);
  padding: 40px 48px;
  position: relative;
  overflow: hidden;
}

/* Ivy decoration along top */
.footer-ivy {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  overflow: hidden;
  pointer-events: none;
}

.footer-ivy svg {
  width: 100%;
  height: 40px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  position: relative;
  z-index: 1;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.footer-inner.hidden {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  position: absolute;
  width: 100%;
  left: 0;
}

/* Footer Text Column */
.footer-text-column {
  flex-shrink: 0;
}

.footer-headline {
  font-size: 28px;
  color: #FFFFFF;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.footer-subtext {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}

/* Footer Form Column */
.footer-form-column {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.signup-form {
  display: flex;
  gap: 12px;
}

.signup-input {
  width: 260px;
  padding: 14px 22px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.signup-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.signup-input:focus {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.22);
}

.signup-button {
  padding: 14px 28px;
  background: var(--color-charcoal);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.signup-button:hover {
  background: #2C2C2A;
}

.signup-button:active {
  transform: scale(0.97);
}

/* Error state */
.signup-error {
  color: #FFD4C4;
  font-size: 13px;
  margin-top: 6px;
  display: none;
  text-align: right;
}

.signup-error.visible {
  display: block;
}

/* ============================================
   Footer Confirmation State
   ============================================ */
.footer-confirmation {
  display: none;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 8px 0;
}

.footer-confirmation.visible {
  display: flex;
  animation: fadeInUp 0.5s ease forwards;
}

.confirmation-icon {
  width: 48px;
  height: auto;
  flex-shrink: 0;
}

.confirmation-text-wrapper {
  text-align: left;
}

.confirmation-headline {
  font-family: var(--font-heading);
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.confirmation-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Responsive — Tablet (< 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .main-content {
    padding: 32px 32px;
    gap: 32px;
  }

  .headline {
    font-size: 40px;
  }

  .cards-grid {
    gap: 12px;
    max-width: 380px;
  }

  .grid-card {
    padding: 16px;
  }

  .principle-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 10px;
  }

  .principle-title {
    font-size: 14px;
  }

  .footer-signup {
    padding: 24px 32px;
  }

  .footer-headline {
    font-size: 24px;
  }

  .signup-input {
    width: 220px;
  }
}

/* ============================================
   Responsive — Mobile (< 768px)
   ============================================ */
@media (max-width: 768px) {
  body {
    min-height: auto;
  }

  .main-content {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 40px;
  }

  .content-left {
    padding-right: 0;
    text-align: center;
  }

  .headline {
    font-size: 36px;
  }

  .subheadline {
    font-size: 18px;
  }

  .story-opening {
    font-size: 18px;
  }

  .story-body {
    font-size: 15px;
  }

  .cards-grid {
    max-width: 340px;
    margin: 0 auto;
  }

  .footer-signup {
    padding: 32px 24px 40px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

  .footer-text-column {
    text-align: center;
  }

  .footer-form-column {
    align-items: center;
    width: 100%;
  }

  .signup-form {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .signup-input {
    width: 100%;
  }

  .signup-button {
    width: 100%;
  }

  .signup-error {
    text-align: center;
  }

  .footer-confirmation {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .confirmation-text-wrapper {
    text-align: center;
  }
}

/* Small phones */
@media (max-width: 375px) {
  .headline {
    font-size: 30px;
  }

  .subheadline {
    font-size: 16px;
  }

  .footer-headline {
    font-size: 22px;
  }

  .cards-grid {
    max-width: 280px;
  }

  .grid-card {
    padding: 14px;
  }

  .principle-icon {
    width: 48px;
    height: 48px;
  }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .footer-inner {
    transition: none;
  }

  .footer-confirmation.visible {
    animation: none;
    opacity: 1;
  }

  .grid-card {
    transition: none;
  }
}

/* Focus styles */
.signup-input:focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

.signup-button:focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

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