/* ==========================================================================
   Frugal Writer Geek — Site Stylesheet
   fwg.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   DESIGN TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors — derived from logo rgb(30, 58, 100) */
  --color-primary: #1e3a64;
  /* logo navy */
  --color-primary-light: #3a6abf;
  /* bright mid-blue */
  --color-primary-dark: #132647;
  /* deeper navy */
  --color-accent: #e8a020;
  /* warm amber — "frugal gold" */
  --color-accent-dark: #c4861a;
  /* amber hover */
  --color-accent-light: #fdf3e0;
  /* very light amber tint */

  /* Neutrals */
  --color-bg: #f7f9fc;
  /* cool off-white */
  --color-surface: #ffffff;
  --color-surface-alt: #eef2f8;
  /* light blue-tinted surface */
  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-muted: #718096;
  --color-border: #dbe3f0;

  /* Typography */
  --font-heading: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Lora', Georgia, 'Times New Roman', serif;

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

  /* Layout */
  --container-max: 1080px;
  --section-padding: 3rem 1.5rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(30, 58, 100, 0.08), 0 1px 2px rgba(30, 58, 100, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 58, 100, 0.12), 0 2px 4px rgba(30, 58, 100, 0.08);
  --shadow-lg: 0 10px 30px rgba(30, 58, 100, 0.15), 0 4px 10px rgba(30, 58, 100, 0.1);
  --shadow-hover: 0 16px 40px rgba(30, 58, 100, 0.2);
}

/* --------------------------------------------------------------------------
   RESET & GLOBAL
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  /* offset for sticky nav */
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

/* --------------------------------------------------------------------------
   TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

p,
li {
  margin-top: 0;
  margin-bottom: 1.25rem;
  color: var(--color-text-light);
}

a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 1.5rem;
  height: 75px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  width: clamp(200px, 40vw, 300px);
  height: auto;
  display: block;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover .nav-logo-img {
  opacity: 0.85;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links li {
  margin-top: 0;
  margin-bottom: 0 !important;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-surface-alt);
}

.nav-link-cta {
  background-color: var(--color-accent);
  color: var(--color-primary-dark) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-weight: 800;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-link-cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
  padding: 0.875rem 2rem;
  border-radius: 2rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-primary-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-surface);
  color: var(--color-surface);
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-color: var(--color-primary);
  background-image: url('/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  color: var(--color-surface);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(19, 38, 71, 0.88) 0%,
      rgba(30, 58, 100, 0.80) 50%,
      rgba(19, 38, 71, 0.92) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 2em 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.hero-logo {
  width: clamp(260px, 45vw, 460px);
  height: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 0.5rem;
}

.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 900;
  color: var(--color-surface);
  margin: 0;
  line-height: 1.1;
  max-width: 700px;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 580px;
  margin: 0;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.hero-scroll-hint {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255, 255, 255, 0.4);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  transform: rotate(45deg);
  animation: bounce 1.6s ease infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }

  50% {
    transform: rotate(45deg) translateY(5px);
  }
}

/* --------------------------------------------------------------------------
   SECTION BASE STYLES
   -------------------------------------------------------------------------- */
.section {
  padding: var(--section-padding);
}

.section-white {
  background-color: var(--color-surface);
}

.section-tinted {
  background-color: var(--color-surface-alt);
}

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  max-width: var(--container-max);
  margin-inline: auto;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap::before {
  content: '';
  position: absolute;
  inset: -12px -12px 12px 12px;
  background-color: var(--color-accent);
  border-radius: var(--border-radius-lg);
  z-index: 0;
  opacity: 0.25;
}

.about-image {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  aspect-ratio: 3/4;
  max-height: 540px;
}

.about-content h2 {
  margin-bottom: 1.25rem;
}

.about-content p,
.about-content ul li {
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-highlight {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.about-highlight-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.about-highlight p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   TOPICS SECTION
   -------------------------------------------------------------------------- */
.topics-intro-image {
  max-width: var(--container-max);
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.topics-intro-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--container-max);
  margin-inline: auto;
}

.topic-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.75rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.topic-card:hover::before {
  transform: scaleX(1);
}

.topic-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  display: block;
}

.topic-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.625rem;
  color: var(--color-primary);
}

.topic-card p,
.topic-card ul li {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   SIGNUP SECTION
   -------------------------------------------------------------------------- */
.signup-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-surface);
  padding: var(--section-padding);
}

.signup-inner {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.signup-inner h2 {
  color: var(--color-surface);
  margin-bottom: 1rem;
}

.signup-inner .section-label {
  background-color: rgba(232, 160, 32, 0.2);
  color: var(--color-accent);
}

.signup-inner>p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
  line-height: 1.75;
}

.signup-benefits {
  list-style: none;
  margin: 1.5rem 0 2.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  text-align: left;
}

.signup-benefits li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9375rem;
  font-family: var(--font-heading);
  font-weight: 600;
}

.signup-benefits li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.05em;
}

/* MailerLite overrides for dark background */
.ml-embedded {
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   SCROLL REVEAL ANIMATIONS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.footer-container {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.footer-logo-img {
  width: 48px;
  height: auto;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
  font-family: var(--font-heading);
}

.footer-copy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
  font-family: var(--font-heading);
}

/* --------------------------------------------------------------------------
   RESPONSIVE — TABLET
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image-wrap {
    max-width: 420px;
    margin-inline: auto;
  }

  .about-image {
    max-height: 400px;
  }
}

/* --------------------------------------------------------------------------
   RESPONSIVE — MOBILE
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  :root {
    --section-padding: 3.5rem 1.25rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    /* hidden by default */
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
  }

  .nav-link-cta {
    text-align: center;
    margin: 0.25rem 0;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .topics-intro-image img {
    height: 200px;
  }
}