/* Base Styles */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-navy: #111827;
  --color-navy-light: #1f2937;
  --color-accent: #c05621;
  --color-accent-dark: #9a4419;
  --color-accent-light: #d97743;
  --color-bg-light: #faf9f7;
  --color-bg-white: #ffffff;
  --color-text-dark: #1f2937;
  --color-text-body: #4b5563;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-border-dark: #d1d5db;

  --font-family: 'Poppins', system-ui, -apple-system, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  --container-max: 1200px;
  --container-padding: 1.5rem;

  --transition-base: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-dark);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

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

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

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

/* Container */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Header */

.header {
  background-color: var(--color-navy);
  color: var(--color-bg-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.header-brand {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-bg-white);
  margin: 0;
  line-height: 1;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-accent-light);
  margin: 0.25rem 0 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.nav {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  width: 2rem;
  height: 2rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 1.5rem;
  height: 2px;
  background-color: var(--color-bg-white);
  position: absolute;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hamburger::before,
.hamburger::after {
  content: '';
  left: 0;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

.nav-toggle.active .hamburger {
  transform: translate(-50%, -50%) rotate(45deg);
}

.nav-toggle.active .hamburger::before {
  opacity: 0;
}

.nav-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-90deg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--color-bg-white);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-light);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

/* Footer */

.footer {
  background-color: var(--color-navy);
  color: var(--color-bg-white);
  padding: var(--spacing-xl) 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.footer-copyright,
.footer-location {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0.25rem 0;
}

/* Sections */

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

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

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

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

.section-dark h2,
.section-dark h3 {
  color: var(--color-bg-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.9);
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
}

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

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  text-align: center;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-decoration: none;
}

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

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

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

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:disabled:hover,
.btn[disabled]:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg-white);
}

/* Hero Section */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg-white);
  text-align: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://images.pexels.com/photos/380769/pexels-photo-380769.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(17, 24, 39, 0.7), rgba(17, 24, 39, 0.85));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 var(--container-padding);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-bg-white);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.95);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Two Column Layout */

.two-column {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2xl);
}

.column h3 {
  margin-top: 0;
}

.column-heading {
  font-size: 1.25rem;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-md);
}

/* Feature List */

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.feature-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Featured Project */

.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.featured-project-content {
  padding-right: var(--spacing-lg);
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0.25rem;
  margin-bottom: var(--spacing-md);
}

.featured-project-title {
  font-size: 2.5rem;
  color: var(--color-bg-white);
  margin-bottom: var(--spacing-sm);
}

.featured-project-location {
  font-size: 1.125rem;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.featured-project-description {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
}

.featured-project-image {
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.featured-project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Pillars */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.pillar {
  padding: var(--spacing-lg);
}

.pillar-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

.pillar p {
  color: var(--color-text-body);
  line-height: 1.7;
}

/* CTA Section */

.section-cta {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-bg-white);
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  color: var(--color-bg-white);
  margin-bottom: var(--spacing-xl);
}

/* Page Header */

.page-header {
  padding: var(--spacing-2xl) 0;
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.page-intro {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.7;
  text-align: center;
}

/* Leadership Grid */

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.leader-card {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-light);
  border-radius: 0.5rem;
}

.leader-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.leader-role {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.leader-bio {
  line-height: 1.7;
  color: var(--color-text-body);
}

/* Approach List */

.approach-list {
  max-width: 900px;
  margin: var(--spacing-xl) auto 0;
}

.approach-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.approach-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.approach-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
}

.approach-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.approach-content p {
  line-height: 1.7;
}

/* Projects Grid */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.project-card {
  background-color: var(--color-bg-white);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.project-card-featured {
  grid-column: 1 / -1;
}

.project-card-featured .project-card-content {
  padding: var(--spacing-xl);
}

.project-card-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-card-featured .project-card-image {
  height: 400px;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 0.375rem 0.875rem;
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0.25rem;
}

.project-badge-upcoming {
  background-color: var(--color-text-light);
}

.project-card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.project-card-location {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.project-card-description {
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-light);
  color: var(--color-text-body);
  font-size: 0.875rem;
  border-radius: 0.25rem;
  border: 1px solid var(--color-border);
}

/* Info Box */

.info-box {
  background-color: var(--color-bg-light);
  padding: var(--spacing-xl);
  border-radius: 0.5rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.info-box-title {
  margin-bottom: var(--spacing-md);
}

.info-box p {
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

/* Project Hero */

.project-hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  color: var(--color-bg-white);
  overflow: hidden;
}

.project-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://images.pexels.com/photos/261102/pexels-photo-261102.jpeg?auto=compress&cs=tinysrgb&w=1920');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.project-hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(17, 24, 39, 0.75), rgba(17, 24, 39, 0.9));
}

.project-hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--spacing-xl) 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--color-accent-light);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.6);
}

.project-hero-title {
  font-size: 3rem;
  color: var(--color-bg-white);
  margin-bottom: var(--spacing-sm);
}

.project-hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.project-hero-location {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Project Overview */

.project-overview {
  max-width: 900px;
  margin: 0 auto;
}

.project-overview-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

/* Highlights Grid */

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.highlight-item {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-white);
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
}

.highlight-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.highlight-item p {
  line-height: 1.7;
}

/* Development Notes */

.development-notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.note-item {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-white);
  border-radius: 0.5rem;
  border-left: 4px solid var(--color-accent);
}

.note-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

.note-item p {
  line-height: 1.7;
}

/* Contact Page */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-xl);
}

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

.contact-detail {
  margin-bottom: var(--spacing-xl);
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.contact-detail-title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.contact-detail p {
  color: var(--color-text-body);
  line-height: 1.6;
}

/* Contact Form */

.contact-form-container {
  padding: var(--spacing-xl);
  background-color: var(--color-bg-white);
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.form-intro {
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-body);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-dark);
  font-size: 0.875rem;
}

.required {
  color: var(--color-accent);
}

.form-input,
.form-select,
.form-textarea {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(192, 86, 33, 0.1);
}

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

.form-message {
  padding: var(--spacing-md);
  border-radius: 0.375rem;
  font-weight: 500;
  text-align: center;
}

.form-message.success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.form-message.error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* Responsive Design */

@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-navy);
    flex-direction: column;
    width: 200px;
    padding: var(--spacing-md);
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav-list.active {
    transform: translateX(0);
  }

  .nav-link {
    padding: var(--spacing-sm) 0;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .featured-project {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .featured-project-content {
    padding-right: 0;
  }

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

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  .approach-item {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .project-card-featured {
    grid-column: 1;
  }

  .project-hero-title {
    font-size: 2rem;
  }

  .project-hero-subtitle {
    font-size: 1.25rem;
  }

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

  .development-notes {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .cta-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 500px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }

  .project-card-image {
    height: 200px;
  }

  .project-card-featured .project-card-image {
    height: 250px;
  }
}