/* ==========================================================================
   Menabem - Ethiopian Coffee Export
   Clean & Minimal Design System
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
}

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

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

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-orange: #D96B4A;
  --color-orange-dark: #C45A3A;
  --color-orange-light: #E8856A;
  --color-green: #0B5E4C;
  --color-green-dark: #094A3C;
  --color-green-light: #0D7A63;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-off-white: #F9F7F4;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-400: #A0A0A0;
  --color-gray-600: #666666;
  --color-gray-800: #2D2D2D;
  --color-black: #1A1A1A;

  /* Typography */
  --font-primary: 'Inter', system-ui, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  /* Spacing Scale */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 1rem;      /* 16px */
  --space-md: 1.5rem;    /* 24px */
  --space-lg: 2rem;      /* 32px */
  --space-xl: 3rem;      /* 48px */
  --space-2xl: 4rem;     /* 64px */
  --space-3xl: 6rem;     /* 96px */

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-black);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 600;
  color: var(--color-green);
}

/* --------------------------------------------------------------------------
   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(--color-off-white);
}

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

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 50px;
  width: auto;
}

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

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-800);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-orange);
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-orange);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  transition: var(--transition-fast);
}

/* Hamburger to X animation */
.nav-toggle.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }

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

  .nav__link {
    font-size: 1.1rem;
    padding: var(--space-sm) 0;
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-height);
  background-color: var(--color-green);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
}

.hero__title {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--color-green);
  border: 2px solid var(--color-green);
}

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

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

.feature-card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

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

.feature-card__text {
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Content Block (Two Column)
   -------------------------------------------------------------------------- */
.content-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

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

  .content-block--reverse .content-block__image {
    order: 2;
  }
}

.content-block__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.content-block__image img {
  width: 100%;
  height: auto;
}

.content-block__content {
  padding: var(--space-md) 0;
}

.content-block__title {
  margin-bottom: var(--space-md);
  color: var(--color-green);
}

.content-block__text {
  color: var(--color-gray-600);
  font-size: 1.1rem;
}

/* --------------------------------------------------------------------------
   Mission / Highlight Section
   -------------------------------------------------------------------------- */
.highlight {
  background-color: var(--color-green);
  color: var(--color-white);
  text-align: center;
}

.highlight__title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.highlight__text {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.95;
}

.highlight__stat {
  display: inline-block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.contact-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-section {
    grid-template-columns: 1fr 1fr;
  }
}

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

.contact-info__title {
  margin-bottom: var(--space-lg);
  color: var(--color-green);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-info__icon {
  width: 24px;
  height: 24px;
  color: var(--color-orange);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info__text {
  color: var(--color-gray-600);
}

.contact-info__text a {
  color: var(--color-green);
  transition: color var(--transition-fast);
}

.contact-info__text a:hover {
  color: var(--color-orange);
}

.form {
  background-color: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

.form__label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-gray-800);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(11, 94, 76, 0.1);
}

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

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }
}

.form__submit {
  width: 100%;
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  height: 40px;
  margin-bottom: var(--space-md);
  filter: brightness(0) invert(1);
}

.footer__tagline {
  color: var(--color-gray-400);
  font-size: 0.95rem;
}

.footer__title {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

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

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

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

.footer__contact-item {
  color: var(--color-gray-400);
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
}

.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer__copyright {
  color: var(--color-gray-400);
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Page Header (for inner pages)
   -------------------------------------------------------------------------- */
.page-header {
  padding: var(--space-3xl) 0 var(--space-2xl);
  margin-top: var(--header-height);
  background-color: var(--color-off-white);
  text-align: center;
}

.page-header__title {
  color: var(--color-green);
  margin-bottom: var(--space-sm);
}

.page-header__subtitle {
  color: var(--color-gray-600);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   About Page Specific
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

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

.team-member__image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  background-color: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-gray-400);
}

.team-member__name {
  color: var(--color-green);
  margin-bottom: var(--space-xs);
}

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

.team-member__bio {
  color: var(--color-gray-600);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Regions Grid
   -------------------------------------------------------------------------- */
.regions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.region-card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 2px solid transparent;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

.region-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-4px);
}

.region-card__name {
  color: var(--color-green);
  margin-bottom: var(--space-xs);
}

.region-card__desc {
  color: var(--color-gray-600);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.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;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-green);
  color: white;
  padding: 8px 16px;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}