/* ==========================================================================
   Arbor Genie - Shared Styles
   Brand Guide v2.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Brand Colors)
   -------------------------------------------------------------------------- */
:root {
  /* Primary Brand Colors */
  --deep-teal: #143652;
  --forest-green: #3B6D48;

  /* Extended Palette */
  --teal-light: #1E4A6B;
  --teal-accent: #2A5D7A;
  --green-bright: #4A8B5E;
  --green-soft: #5DA872;

  /* Neutrals */
  --dark-gray: #1F2937;
  --mid-gray: #6B7280;
  --light-gray: #F8F9FA;
  --white: #FFFFFF;

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

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
}

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

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

a:hover {
  color: var(--forest-green);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--deep-teal);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

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

.text-center { text-align: center; }
.text-muted { color: var(--mid-gray); }
.text-small { font-size: var(--font-size-sm); }

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

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

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header__logo {
  height: 48px;
  width: auto;
}

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

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

.nav__link:hover,
.nav__link--active {
  color: var(--deep-teal);
  border-bottom-color: var(--forest-green);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--dark-gray);
  margin: 5px 0;
  transition: all 0.3s ease;
}

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

.hero__logo {
  max-width: 280px;
  margin: 0 auto var(--space-lg);
}

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

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--mid-gray);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn--primary {
  background-color: var(--forest-green);
  color: var(--white);
}

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

.btn--secondary {
  background-color: var(--white);
  color: var(--deep-teal);
  border: 2px solid var(--deep-teal);
}

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

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

.card {
  background-color: var(--white);
  padding: var(--space-xl);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--forest-green);
}

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--mid-gray);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Stats/Metrics Section
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  text-align: center;
}

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

.stat__number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--forest-green);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: var(--font-size-base);
  color: var(--mid-gray);
}

/* --------------------------------------------------------------------------
   Testimonial/Quote
   -------------------------------------------------------------------------- */
.quote {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
}

.quote__text {
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--deep-teal);
  margin-bottom: var(--space-md);
}

.quote__text::before {
  content: '"';
  font-size: var(--font-size-4xl);
  color: var(--green-soft);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.quote__author {
  font-size: var(--font-size-base);
  color: var(--mid-gray);
}

/* --------------------------------------------------------------------------
   Team Section
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

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

.team-member__photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  background-color: var(--light-gray);
}

.team-member__name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.team-member__role {
  color: var(--forest-green);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.team-member__bio {
  color: var(--mid-gray);
  font-size: var(--font-size-sm);
}

.team-member__social {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.team-member__social a {
  color: var(--mid-gray);
  transition: color 0.2s ease;
}

.team-member__social a:hover {
  color: var(--deep-teal);
}

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

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

.form__label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--dark-gray);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid #d1d5db;
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--teal-accent);
  box-shadow: 0 0 0 3px rgba(42, 93, 122, 0.1);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__hint {
  font-size: var(--font-size-sm);
  color: var(--mid-gray);
  margin-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--deep-teal);
  color: var(--white);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer__logo {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
}

.footer__link:hover {
  color: var(--white);
}

/* --------------------------------------------------------------------------
   Screenshot/Product Image
   -------------------------------------------------------------------------- */
.screenshot-container {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.screenshot {
  width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Problem/Solution Section
   -------------------------------------------------------------------------- */
.problem-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.problem-stat {
  padding: var(--space-md);
  background-color: var(--white);
  border-radius: 6px;
  border-left: 4px solid var(--forest-green);
}

.problem-stat__number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--deep-teal);
}

.problem-stat__text {
  font-size: var(--font-size-sm);
  color: var(--mid-gray);
  margin: 0;
}

/* --------------------------------------------------------------------------
   How It Works (Steps)
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.step {
  text-align: center;
  padding: var(--space-lg);
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--forest-green);
  color: var(--white);
  font-weight: 700;
  font-size: var(--font-size-xl);
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.step__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.step__text {
  color: var(--mid-gray);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Screenshot Showcase
   -------------------------------------------------------------------------- */
.screenshot-showcase {
  max-width: 960px;
  margin: var(--space-xl) auto 0;
  text-align: center;
}

.screenshot-showcase__img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.screenshot-showcase__caption {
  font-size: var(--font-size-sm);
  color: var(--mid-gray);
  margin-top: var(--space-md);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Content Sections
   -------------------------------------------------------------------------- */
.content {
  max-width: 800px;
  margin: 0 auto;
}

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

.content h3 {
  margin-top: var(--space-xl);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.25rem;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: block;
  }

  .problem-stats {
    grid-template-columns: 1fr;
  }

  .hero__logo {
    max-width: 200px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-xl) 0;
  }

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

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