/* ============================================================
   Component-Level Styles - Global Tech Professionals
   ============================================================ */

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(254,253,251,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-200);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-medium);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--charcoal-900);
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text-primary {
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--charcoal-900);
}

.logo-text-secondary {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-400);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--charcoal-900);
  background: var(--cream-100);
}

.nav-cta {
  margin-left: 0.75rem;
}

/* Mobile menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
  z-index: 110;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--charcoal-700);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(254,253,251,0.98);
  backdrop-filter: blur(20px);
  z-index: 105;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav .nav-link {
  font-size: 1.25rem;
  padding: 0.75rem 1.5rem;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta.hide-mobile { display: none; }
  .mobile-toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.hero-bg-shape-1 {
  width: 600px;
  height: 600px;
  background: var(--gtp-red);
  top: -200px;
  right: -100px;
}

.hero-bg-shape-2 {
  width: 400px;
  height: 400px;
  background: var(--coral-400);
  bottom: -100px;
  left: -50px;
}

.hero-bg-shape-3 {
  width: 300px;
  height: 300px;
  background: var(--sage-300);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: rgba(227,27,35,0.06);
  border: 1px solid rgba(227,27,35,0.12);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gtp-red);
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--gtp-red);
  border-radius: 50%;
  animation: pulse-soft 2s ease-in-out infinite;
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--charcoal-500);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--cream-200);
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--charcoal-900);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--charcoal-400);
  margin-top: 0.25rem;
}

@media (max-width: 640px) {
  .hero { padding: 5rem 0 3rem; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
}

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--cream-200);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gtp-red), var(--coral-400));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--cream-300);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.service-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--charcoal-900);
  margin-bottom: 0.5rem;
}

.service-card-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--charcoal-500);
  flex-grow: 1;
}

.service-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 1.25rem;
}

.service-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  background: var(--cream-100);
  color: var(--charcoal-500);
  border: 1px solid var(--cream-200);
}

/* ---------- Process Section ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 2.5rem;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--cream-200), var(--gtp-red), var(--cream-200));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step-number {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 800;
  margin: 0 auto 1.25rem;
  background: white;
  color: var(--gtp-red);
  border: 2px solid var(--gtp-red);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
  background: var(--gtp-red);
  color: white;
  box-shadow: var(--shadow-glow-red);
}

.process-step-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--charcoal-900);
  margin-bottom: 0.5rem;
}

.process-step-desc {
  font-size: 0.875rem;
  color: var(--charcoal-500);
  line-height: 1.55;
}

@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid::before {
    display: none;
  }
}

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

/* ---------- Tech Stack / Platform ---------- */
.platform-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.platform-tab {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--cream-100);
  color: var(--charcoal-500);
  border: 1px solid var(--cream-200);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.platform-tab:hover {
  color: var(--charcoal-700);
  background: var(--cream-200);
}

.platform-tab.active {
  background: var(--charcoal-900);
  color: white;
  border-color: var(--charcoal-900);
}

.platform-content {
  display: none;
}

.platform-content.active {
  display: block;
  animation: fadeInUp 0.4s var(--ease-premium) forwards;
}

/* ---------- Case Study Cards ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

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

.case-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--cream-200);
  transition: all var(--transition-base);
}

.case-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.case-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gtp-red);
  margin-bottom: 0.75rem;
}

.case-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--charcoal-900);
  margin-bottom: 0.625rem;
}

.case-card-desc {
  font-size: 0.9375rem;
  color: var(--charcoal-500);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.case-card-metrics {
  display: flex;
  gap: 1.5rem;
}

.case-metric-value {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--charcoal-900);
}

.case-metric-label {
  font-size: 0.75rem;
  color: var(--charcoal-400);
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--charcoal-950);
  color: white;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--gtp-red);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--charcoal-300);
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal-950);
  color: var(--charcoal-300);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

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

.footer-brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--charcoal-400);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--charcoal-200);
  margin-bottom: 1rem;
}

.footer-link {
  display: block;
  font-size: 0.875rem;
  color: var(--charcoal-400);
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--charcoal-800);
  font-size: 0.8125rem;
  color: var(--charcoal-500);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--charcoal-500);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--charcoal-300);
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ---------- Section Headers ---------- */
.section-header {
  max-width: 600px;
  margin-bottom: 3rem;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gtp-red);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--charcoal-900);
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--charcoal-500);
}

.bg-dark .section-label { color: var(--coral-300); }
.bg-dark .section-title { color: white; }
.bg-dark .section-desc { color: var(--charcoal-300); }

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--cream-200);
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--charcoal-900);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--charcoal-400);
  margin-top: 0.375rem;
}

@media (max-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 2rem;
  }
}

/* ---------- Industry Badges ---------- */
.industry-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.industry-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: white;
  border: 1px solid var(--cream-200);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal-700);
  transition: all var(--transition-fast);
}

.industry-badge:hover {
  border-color: var(--gtp-red);
  color: var(--gtp-red);
  box-shadow: var(--shadow-soft);
}

/* ---------- Tech Logos Strip ---------- */
.tech-strip {
  display: flex;
  align-items: center;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 2rem 0;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: all var(--transition-slow);
}

.tech-strip:hover {
  opacity: 0.8;
  filter: grayscale(50%);
}

.tech-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--charcoal-500);
  letter-spacing: 0.02em;
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

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

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(227,27,35,0.06);
  color: var(--gtp-red);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.8125rem;
  color: var(--charcoal-400);
  margin-bottom: 0.125rem;
}

.contact-info-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--charcoal-900);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Page Header ---------- */
.page-header {
  padding: 6rem 0 3rem;
  background: var(--sand-50);
  border-bottom: 1px solid var(--cream-200);
}

.page-header-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--charcoal-900);
  margin-bottom: 0.75rem;
}

.page-header-desc {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--charcoal-500);
  max-width: 600px;
}

/* ---------- Feature List ---------- */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-check {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16,185,129,0.1);
  color: var(--success);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.feature-check svg {
  width: 14px;
  height: 14px;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--charcoal-600);
  line-height: 1.55;
}

/* ---------- Engagement Model ---------- */
.engagement-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .engagement-cards {
    grid-template-columns: 1fr;
  }
}

.engagement-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 2px solid var(--cream-200);
  transition: all var(--transition-base);
}

.engagement-card:hover {
  border-color: var(--gtp-red);
  box-shadow: var(--shadow-medium);
}

.engagement-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--charcoal-900);
  margin-bottom: 0.5rem;
}

.engagement-card-desc {
  font-size: 0.9375rem;
  color: var(--charcoal-500);
  line-height: 1.6;
}

/* ---------- Floating Shapes (Hero Decoration) ---------- */
.floating-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.float-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.04;
}

.float-shape-1 {
  width: 120px;
  height: 120px;
  background: var(--gtp-red);
  top: 15%;
  right: 10%;
  animation: float 6s ease-in-out infinite;
}

.float-shape-2 {
  width: 80px;
  height: 80px;
  background: var(--coral-400);
  top: 60%;
  right: 25%;
  animation: float 8s ease-in-out infinite 1s;
}

.float-shape-3 {
  width: 60px;
  height: 60px;
  background: var(--sage-300);
  top: 30%;
  right: 35%;
  animation: float 7s ease-in-out infinite 0.5s;
}

/* ---------- Skip to Content (Accessibility) ---------- */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  padding: 0.75rem 1.5rem;
  background: var(--gtp-red);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: 1rem;
}