/* DIY-Phone Website Styles */
/* Warm, crafty aesthetic */

/* ===== CSS Variables ===== */
:root {
  /* Color Palette */
  --color-primary: #8B4513;      /* Warm wood brown */
  --color-secondary: #FDF5E6;    /* Soft cream */
  --color-accent: #B87333;       /* Copper/rust */
  --color-text: #3E2723;         /* Dark brown */
  --color-cta: #6B8E23;          /* Soft green */
  --color-cta-hover: #556B2F;    /* Darker green */
  --color-light: #FAF0E6;        /* Linen */
  --color-border: #D2B48C;       /* Tan */

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

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 70px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-secondary);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-md);
}

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

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

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

/* ===== Header & Navigation ===== */
.header {
  background-color: var(--color-secondary);
  border-bottom: 3px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo:hover {
  color: var(--color-accent);
}

.logo__icon {
  font-size: 1.8rem;
}

.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

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

/* Mobile menu button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-secondary) 100%);
  padding: var(--space-xl) 0;
  text-align: center;
  border-bottom: 3px solid var(--color-border);
}

.hero__tagline {
  font-size: 1.25rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  opacity: 0.9;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--color-cta);
  color: white;
  border-color: var(--color-cta);
}

.btn--primary:hover {
  background-color: var(--color-cta-hover);
  border-color: var(--color-cta-hover);
  color: white;
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: white;
}

/* ===== Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: white;
  border-radius: 12px;
  padding: var(--space-lg);
  border: 2px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text);
  opacity: 0.8;
  margin-bottom: var(--space-md);
}

/* ===== Image Placeholders (Polaroid style) ===== */
.placeholder-image {
  background: linear-gradient(135deg, #e0d5c7 0%, #d4c4b0 100%);
  border: 8px solid white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-style: italic;
  min-height: 200px;
  position: relative;
  transform: rotate(-1deg);
}

.placeholder-image::before {
  content: attr(data-label);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-heading);
  color: var(--color-text);
  white-space: nowrap;
}

.placeholder-image--alt {
  transform: rotate(1deg);
}

/* ===== Module Cards ===== */
.module-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.module-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.module-card__image {
  height: 180px;
  background: linear-gradient(135deg, #e0d5c7 0%, #d4c4b0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.module-card__content {
  padding: var(--space-lg);
}

.module-card__title {
  margin-bottom: var(--space-sm);
}

.module-card__status {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.module-card__status--available {
  background-color: #d4edda;
  color: #155724;
}

.module-card__status--coming {
  background-color: #fff3cd;
  color: #856404;
}

.module-card__status--concept {
  background-color: #e2e3e5;
  color: #383d41;
}

/* ===== Case Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
}

.gallery-item__image {
  height: 250px;
  background: linear-gradient(135deg, #e0d5c7 0%, #d4c4b0 100%);
  border: 8px solid white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.gallery-item__caption {
  text-align: center;
  padding: var(--space-md);
}

.gallery-item__title {
  margin-bottom: var(--space-xs);
}

/* ===== Forms ===== */
.form {
  max-width: 600px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: white;
  transition: border-color 0.2s ease;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form__checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.form__checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-cta);
}

/* ===== Blog ===== */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.blog-post {
  background: white;
  border-radius: 12px;
  padding: var(--space-lg);
  border: 2px solid var(--color-border);
}

.blog-post__date {
  color: var(--color-accent);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.blog-post__title {
  margin-bottom: var(--space-sm);
}

.blog-post__title a {
  color: var(--color-primary);
}

.blog-post__excerpt {
  margin-bottom: var(--space-md);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xl);
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.footer__title {
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--color-light);
  opacity: 0.9;
}

.footer__links a:hover {
  opacity: 1;
  color: white;
}

.footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  opacity: 0.8;
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ===== Feature List ===== */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  list-style: none;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.feature-list__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

/* ===== Steps/Tutorial ===== */
.steps {
  counter-reset: step-counter;
}

.step {
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-xl);
}

.step::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  background: var(--color-cta);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  font-family: var(--font-heading);
}

.step__title {
  margin-bottom: var(--space-sm);
}

/* ===== Community Cards ===== */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.community-card {
  background: white;
  border-radius: 12px;
  padding: var(--space-lg);
  border: 2px solid var(--color-border);
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.community-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.community-card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-secondary);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 3px solid var(--color-border);
    gap: var(--space-md);
  }

  .nav--open {
    display: flex;
  }

  .step {
    padding-left: 60px;
  }

  .step::before {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

/* ===== Print Styles ===== */
@media print {
  .header, .footer, .btn {
    display: none;
  }

  body {
    background: white;
  }
}