/* ============================================================
   NO UNLUCKY SUCKERS — Main Stylesheet
   Redesigned: white/light base so the dark-green logo pops
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand colors — dark green is accent, not dominant */
  --color-green-dark: #00521c;
  --color-green-mid: #007a2e;
  --color-green-light: #e9f5ed;
  --color-green-hover: #003d15;

  /* Warm neutrals as primary palette */
  --color-sand: #f5f1eb;
  --color-sand-dark: #e8e0d4;
  --color-cream: #faf8f5;
  --color-charcoal: #1c1c1c;
  --color-slate: #2d3436;
  --color-gold: #b8963a;
  --color-gold-light: #d4b95e;

  --color-white: #ffffff;
  --color-off-white: #fafafa;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-600: #4b5563;
  --color-gray-800: #1f2937;
  --color-text: #1c1c1c;
  --color-text-light: #555555;
  --color-text-muted: #777777;
  --color-error: #dc2626;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.25rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.2;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1120px;
  --header-height: 72px;
  --border-radius: 8px;
  --border-radius-lg: 12px;

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: var(--color-green-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

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

.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;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background-color: var(--color-green-mid);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(0, 82, 28, 0.3);
}

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

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

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

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav-logo img {
  height: 56px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--color-green-dark);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green-dark);
  transition: width var(--transition-base);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-green-dark) !important;
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: var(--color-green-mid) !important;
}

.nav-cta::after {
  display: none !important;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  gap: 5px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-charcoal);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-xl) var(--space-lg);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--color-gray-200);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: var(--font-size-lg);
    color: var(--color-text);
  }
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  color: var(--color-white);
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Background image */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1589196728426-4613a4992c42?w=1920&h=900&fit=crop&q=80');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Dark overlay so text is readable */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 30, 12, 0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-headline {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-sub {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  line-height: 1.6;
}

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

.hero .btn {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-lg);
}

@media (min-width: 768px) {
  .hero {
    padding: calc(var(--header-height) + var(--space-4xl) + 2rem) 0 calc(var(--space-4xl) + 2rem);
    min-height: 720px;
  }

  .hero-headline {
    font-size: var(--font-size-5xl);
  }
}

/* ---------- Sections (shared) ---------- */
.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
  color: var(--color-charcoal);
  letter-spacing: -0.01em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
  font-size: var(--font-size-lg);
}

/* Green accent bar under section titles */
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-green-dark);
  margin: var(--space-md) auto 0;
  border-radius: 2px;
}

/* ---------- About ---------- */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 1120px;
  margin: var(--space-2xl) auto 0;
}

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

.about-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

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

.about-content p {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  font-size: var(--font-size-lg);
  line-height: 1.7;
  font-weight: 500;
}

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

/* ---------- Capabilities ---------- */
.capabilities {
  background: var(--color-sand);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.card {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-sand-dark);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--color-green-dark);
  margin-bottom: var(--space-lg);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-charcoal);
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ---------- Certifications ---------- */
.certifications {
  background: var(--color-white);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-xl);
}

.cert-card {
  background: var(--color-cream);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 1px solid var(--color-sand-dark);
  transition: box-shadow var(--transition-base);
}

.cert-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.cert-badge {
  width: 56px;
  height: 56px;
  color: var(--color-green-dark);
  margin: 0 auto var(--space-lg);
}

.cert-badge svg {
  width: 100%;
  height: 100%;
}

.cert-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-green-dark);
}

.cert-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.cert-card--placeholder {
  border-style: dashed;
  border-color: var(--color-gray-400);
  background: transparent;
}

/* ---------- Contract Vehicles ---------- */
.contracts {
  background: var(--color-sand);
}

.contracts-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contract-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-sand-dark);
}

.contract-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-green-light);
  color: var(--color-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  padding: 8px;
}

.contract-icon svg {
  width: 100%;
  height: 100%;
}

.contract-item h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-charcoal);
}

.contract-item p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.contracts-cta {
  text-align: center;
  margin-top: var(--space-3xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.contracts-cta a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  max-width: 880px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1.5fr 1fr;
  }
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

.form-group--full {
  grid-column: 1 / -1;
}

@media (max-width: 520px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
}

.contact-form label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-charcoal);
}

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

.optional {
  color: var(--color-gray-400);
  font-weight: 400;
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  background: var(--color-off-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-gray-400);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-green-dark);
  box-shadow: 0 0 0 3px rgba(0, 82, 28, 0.1);
  background: var(--color-white);
}

.contact-form input.invalid,
.contact-form textarea.invalid {
  border-color: var(--color-error);
}

.form-error {
  font-size: 0.8rem;
  color: var(--color-error);
  min-height: 1.2em;
  margin-top: var(--space-xs);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  grid-column: 1 / -1;
  justify-self: start;
}

/* Contact info sidebar */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-top: var(--space-md);
}

.contact-info-item h3 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-green-dark);
  margin-bottom: var(--space-xs);
}

.contact-info-item a,
.contact-info-item p {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
}

.contact-info-item a:hover {
  color: var(--color-green-dark);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-charcoal);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer-logo {
  height: 44px;
  width: auto;
  /* Invert logo to white for dark footer */
  filter: brightness(0) invert(1);
}

.footer-name {
  font-weight: 700;
  color: var(--color-white);
  font-size: var(--font-size-lg);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer-nav {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-white);
}

.footer-copy {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.35);
  margin-top: var(--space-md);
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Print Styles ---------- */
@media print {
  .site-header,
  .mobile-menu-toggle,
  .hero-bg,
  .btn,
  .contact-form {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
  }

  .section {
    padding: 1.5rem 0;
    page-break-inside: avoid;
  }

  .hero {
    background: none;
    color: #000;
    min-height: auto;
    padding: 2rem 0;
  }

  .hero-headline {
    color: #000;
    font-size: 24pt;
  }

  .hero-sub {
    color: #333;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .card, .cert-card, .contract-item {
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .section-title::after {
    display: none;
  }
}