/* Everett Young - Nature-Inspired Dark Theme */
/* Mobile-first responsive design */

/* Skip Link (Accessibility) */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  text-decoration: none;
}

.skip-link:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 10000;
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-6);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-primary-purple);
  color: white;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Navigation */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav-header.scrolled {
  background: rgba(30, 34, 43, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo-img {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  transition: transform var(--transition-base);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: relative;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 6px; }

.nav-menu {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--color-background);
  padding: var(--space-4);
  list-style: none;
  display: none;
  box-shadow: var(--shadow-xl);
}

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

.nav-menu li { margin-bottom: var(--space-2); }

.nav-menu a {
  display: block;
  padding: var(--space-3);
  color: var(--color-neutral-light);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
}

.nav-menu a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-menu .btn {
  margin-top: var(--space-2);
  width: 100%;
  color: white;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(30, 34, 43, 0.85) 0%,
    rgba(30, 34, 43, 0.7) 50%,
    rgba(30, 34, 43, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--space-8) 0;
}

.hero-title {
  font-size: var(--text-3xl);
  color: white;
  margin-bottom: var(--space-6);
  line-height: 1.15;
}

.hero-title .highlight {
  color: var(--color-primary-green);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-neutral-light);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  color: white;
}

.btn-full {
  width: 100%;
}

/* Value Props */
.value-props {
  background: var(--color-background);
  color: white;
}

.props-grid {
  display: grid;
  gap: var(--space-8);
}

.prop-item {
  text-align: center;
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.prop-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-green) 100%);
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: var(--space-4);
}

.prop-item h3 {
  font-size: var(--text-xl);
  color: white;
  margin-bottom: var(--space-2);
}

.prop-item p {
  color: var(--color-neutral-mid);
  margin-bottom: 0;
}

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

.about-grid {
  display: grid;
  gap: var(--space-10);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.about-content h2 {
  margin-bottom: var(--space-6);
}

.about-content p {
  color: var(--color-text-muted);
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-neutral-light);
}

.credential {
  text-align: center;
}

.credential-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.credential-number {
  display: block;
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  line-height: 1.3;
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-green) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-semibold);
  opacity: 0.9;
}

.about-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}

.about-image {
  width: 100%;
  max-width: 350px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
}

.about-caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  text-align: center;
}

/* Solutions Section */
.solutions {
  background: var(--color-background);
  color: white;
}

.section-header {
  margin-bottom: var(--space-8);
}

.section-header h2 {
  color: white;
  margin-bottom: var(--space-4);
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--color-neutral-mid);
  max-width: 700px;
  margin: 0 auto;
}

/* Engagement Types Explainer */
.engagement-types {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.engagement-type {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.engagement-type p {
  margin: 0;
  color: var(--color-neutral-mid);
  font-size: var(--text-sm);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-strategy {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-execution {
  background: rgba(162, 199, 153, 0.2);
  color: var(--color-primary-green);
  border: 1px solid rgba(162, 199, 153, 0.3);
}

/* Solutions Tabs */
.solutions-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-neutral-light);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: left;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
  background: rgba(162, 199, 153, 0.1);
  border-color: var(--color-primary-green);
  color: white;
}

.tab-btn.active svg {
  color: var(--color-primary-green);
}

.tab-btn svg {
  flex-shrink: 0;
  color: var(--color-neutral-mid);
}

/* Tab Content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-intro {
  font-size: var(--text-lg);
  color: var(--color-neutral-light);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.solutions-grid {
  display: grid;
  gap: var(--space-6);
}

/* Solution Cards */
.solution-card {
  background: rgba(255, 255, 255, 0.03);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-primary-green);
  box-shadow: 0 4px 20px rgba(162, 199, 153, 0.1);
}

.solution-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.solution-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(162, 199, 153, 0.15);
  border-radius: var(--radius-md);
  color: var(--color-primary-green);
  flex-shrink: 0;
}

.solution-card h3 {
  color: white;
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.solution-card > p {
  color: var(--color-neutral-mid);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

/* Expandable Details */
.solution-details {
  margin-bottom: var(--space-4);
}

.solution-details summary {
  cursor: pointer;
  color: var(--color-primary-green);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.solution-details summary::-webkit-details-marker {
  display: none;
}

.solution-details summary::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(162, 199, 153, 0.2);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: transform var(--transition-fast);
}

.solution-details[open] summary::before {
  content: '−';
}

.solution-details summary:hover {
  color: white;
}

.solution-deliverables {
  list-style: none;
  padding: var(--space-4);
  margin-top: var(--space-3);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
}

.solution-deliverables li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-neutral-light);
}

.solution-deliverables li:last-child {
  margin-bottom: 0;
}

.solution-deliverables li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-primary-green);
  border-radius: 50%;
}

/* Solution Pricing */
.solution-pricing {
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.solution-pricing span {
  font-size: var(--text-sm);
  color: var(--color-neutral-mid);
  font-style: italic;
}

/* Custom Solutions CTA */
.custom-solutions {
  text-align: center;
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(162, 199, 153, 0.1) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.custom-solutions h3 {
  color: white;
  margin-bottom: var(--space-3);
}

.custom-solutions p {
  color: var(--color-neutral-mid);
  margin-bottom: var(--space-6);
}

/* Approach Section */
.approach {
  background: var(--color-surface);
}

.approach .section-header h2 {
  color: var(--color-text-dark);
}

.approach-intro {
  color: var(--color-text-muted);
  max-width: 750px;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}

.approach-intro strong {
  color: var(--color-text-dark);
  font-weight: var(--font-weight-bold);
}

/* Process Flow — Grouped Columns */
.approach-process {
  display: grid;
  gap: var(--space-8);
  max-width: 1000px;
  margin: 0 auto;
}

.process-group {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--color-surface-alt);
}

.process-strategy {
  border-top: 3px solid #a78bfa;
}

.process-execution {
  border-top: 3px solid var(--color-primary-green);
}

.process-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.process-group-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.process-group-steps {
  display: grid;
  gap: var(--space-6);
}

/* Connector Arrow */
.process-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.process-connector svg {
  transform: rotate(90deg);
}

/* Steps (shared by both groups) */
.step {
  display: flex;
  gap: var(--space-4);
}

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
}

.process-strategy .step-number {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
}

.process-execution .step-number {
  background: rgba(162, 199, 153, 0.2);
  color: var(--color-accent);
}

.step-content h3 {
  margin-bottom: var(--space-2);
  color: var(--color-text-dark);
}

.step-content p {
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* Contact Section */
.contact {
  background: linear-gradient(135deg, var(--color-background) 0%, #2a2f3d 100%);
  color: white;
}

.contact-grid {
  display: grid;
  gap: var(--space-10);
}

.contact-content .section-label {
  color: var(--color-primary-green);
}

.contact-content h2 {
  color: white;
  margin-bottom: var(--space-4);
}

.contact-content > p {
  color: var(--color-neutral-light);
  margin-bottom: var(--space-8);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-neutral-light);
}

.contact-item svg {
  color: var(--color-primary-green);
}

.contact-item a {
  color: var(--color-neutral-light);
}

.contact-item a:hover {
  color: white;
}

.contact-form-wrapper {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form {
  display: grid;
  gap: var(--space-4);
}

.form-group {
  display: grid;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-family);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-neutral-mid);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-green);
  background: rgba(255, 255, 255, 0.08);
}

.form-note {
  font-size: var(--text-sm);
  color: var(--color-neutral-mid);
  text-align: center;
  margin-top: var(--space-2);
}

/* Form Success & Error Messages */
.form-success {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.form-success h3 {
  color: var(--color-primary-green);
  margin-bottom: var(--space-4);
}

.form-success p {
  color: var(--color-neutral-light);
}

.form-error {
  padding: var(--space-3) var(--space-4);
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #fca5a5;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

/* Button hover micro-interaction */
.btn {
  transition: all var(--transition-fast), transform var(--transition-fast);
}

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

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

/* Form Validation States */
.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary-green);
  box-shadow: 0 0 0 3px rgba(162, 199, 153, 0.2);
}

.form-group input:invalid:not(:placeholder-shown):not(:focus),
.form-group textarea:invalid:not(:placeholder-shown):not(:focus) {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: var(--color-primary-green);
}

/* Footer */
.footer {
  background: #161920;
  color: var(--color-neutral-light);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-content {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  object-position: left;
  display: block;
}

.footer-brand p {
  font-size: var(--text-sm);
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links a {
  color: var(--color-neutral-light);
  font-size: var(--text-sm);
}

.footer-links a:hover {
  color: white;
}

.footer-social a {
  color: var(--color-neutral-light);
}

.footer-social a:hover {
  color: var(--color-primary-green);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: var(--text-sm);
  margin: 0;
  opacity: 0.7;
}

/* Scroll-Triggered Entrance Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children for grid items */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Scroll Indicator (Hero) */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
  opacity: 0.5;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Responsive Breakpoints */

/* Tablet (640px+) */
@media (min-width: 640px) {
  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-cta {
    flex-direction: row;
  }

  .props-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .engagement-types {
    grid-template-columns: repeat(2, 1fr);
  }

  .solutions-tabs {
    flex-direction: row;
  }

  .tab-btn {
    flex: 1;
    justify-content: center;
    text-align: center;
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach-process {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }

  .process-connector svg {
    transform: rotate(0deg);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: 0;
    background: none;
    box-shadow: none;
  }

  .nav-menu li {
    margin-bottom: 0;
  }

  .nav-menu a {
    padding: var(--space-2) var(--space-3);
  }

  .nav-menu .btn {
    margin-top: 0;
    width: auto;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
    align-items: start;
  }
}