/* ============================================
   3W Ranch - Mobile-First Responsive Styles
   ============================================ */

:root {
  --color-bg: #0d0f0b;
  --color-bg-alt: #151812;
  --color-bg-card: #1a1d16;
  --color-text: #e8e6e1;
  --color-text-muted: #a8a69d;
  --color-accent: #8b7355;
  --color-accent-light: #c4a77d;
  --color-accent-warm: #6b5344;
  --color-border: #2d2f28;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 6px;

  /*
   Main banner photo — either:
   1. Add your image as images/hero-banner.jpg (wide landscape, ~1920px wide works well), or
   2. Replace this with an absolute URL: url('https://yoursite.com/path/to-photo.jpg')
  */
  --hero-banner-image: url('images/hero-banner.jpg');
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 15, 11, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

@media (min-width: 768px) {
  .nav {
    padding: var(--space-md) var(--space-lg);
  }
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 2rem;
  width: auto;
}

@media (min-width: 768px) {
  .logo-img {
    height: 2.25rem;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md);
  gap: var(--space-sm);
}

.nav-menu.active {
  display: flex;
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    flex-direction: row;
    position: static;
    background: none;
    border: none;
    padding: 0;
  }
}

.nav-menu a {
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--space-xs) 0;
}

.nav-menu a:hover {
  color: var(--color-accent-light);
}

@media (min-width: 768px) {
  .nav-menu a {
    padding: var(--space-xs) var(--space-sm);
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background:
    linear-gradient(135deg, rgba(13, 15, 11, 0.7) 0%, rgba(13, 15, 11, 0.4) 50%, rgba(13, 15, 11, 0.7) 100%),
    var(--hero-banner-image) center/cover no-repeat,
    var(--color-bg-alt) center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--color-bg) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-brand {
  margin: 0 0 var(--space-md);
  line-height: 0;
}

.hero-logo {
  display: block;
  width: clamp(7.15rem, 33.8vw, 15.6rem);
  height: auto;
  margin-inline: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 28px rgba(0, 0, 0, 0.45));
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-style: italic;
  color: var(--color-accent-light);
  margin: 0 0 var(--space-xs);
}

.hero-sub {
  font-size: clamp(0.9rem, 2.5vw, 1rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border: 2px solid var(--color-accent);
}

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

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

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

/* Sections */
section {
  padding: var(--space-xl) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--space-2xl) 0;
  }
}

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 var(--space-md);
  line-height: 1.2;
}

.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
}

/* Intro */
.intro {
  text-align: center;
}

.intro-text {
  max-width: 40rem;
  margin: 0 auto var(--space-sm);
}

.intro-accent {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-accent-light);
}

/* About */
.about p {
  max-width: 42rem;
  margin: 0 0 var(--space-sm);
}

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

/* Groups */
.groups-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

@media (min-width: 480px) {
  .groups-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .groups-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.groups-grid li {
  padding: var(--space-sm);
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-accent);
}

.groups-footer {
  margin-top: var(--space-md);
  font-style: italic;
  color: var(--color-text-muted);
}

/* Experience */
.experience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .experience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .experience-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
  
  .experience-card-full {
    grid-column: 1 / -1;
  }
}

.experience-card {
  padding: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.experience-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-accent-light);
}

.experience-card ul {
  margin-top: var(--space-xs);
}

.experience-card li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-xs);
}

.experience-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Different */
.different-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 480px) {
  .different-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .different-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.different-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.different-item h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 var(--space-xs);
  color: var(--color-accent-light);
}

.different-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Philosophy */
.philosophy-content {
  max-width: 38rem;
}

.philosophy-content p {
  margin: 0 0 var(--space-sm);
  font-size: 1.1rem;
}

.philosophy-accent {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-accent-light);
  margin: var(--space-md) 0 !important;
}

/* Retreat Flow */
.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .flow-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.flow-day {
  padding: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border-top: 4px solid var(--color-accent);
}

.flow-day h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-accent-light);
}

.flow-day li {
  padding-left: 1rem;
  margin-bottom: var(--space-xs);
  position: relative;
}

.flow-day li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.flow-note {
  margin-top: var(--space-md);
  font-style: italic;
  color: var(--color-text-muted);
}

/* Companies */
.companies-list {
  margin: var(--space-md) 0;
}

.companies-list li {
  padding: var(--space-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.companies-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.companies-cta {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-md);
  color: var(--color-accent-light);
}

/* Investment */
.investment ul {
  margin: var(--space-md) 0;
}

.investment li {
  padding: var(--space-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.investment li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.investment-note {
  margin: var(--space-md) 0;
  color: var(--color-text-muted);
}

.investment .btn {
  margin-top: var(--space-sm);
}

/* CTA */
.cta {
  text-align: center;
}

.cta-text {
  max-width: 36rem;
  margin: 0 auto var(--space-lg);
  font-size: 1.1rem;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
}

.cta-buttons .btn {
  min-width: 220px;
}

/* Footer */
.footer {
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.footer-domain {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-domain a {
  color: var(--color-text-muted);
}

.footer-domain a:hover {
  color: var(--color-accent-light);
}