/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */

:root {
  /* Brand Colors */
  --color-primary:        #003070;
  --color-primary-dark:   #001f4d;
  --color-primary-light:  #004a9e;
  --color-accent:         #00aeef;
  --color-accent-dark:    #0089bf;
  --color-accent-light:   #40c4f5;
  --color-white:          #ffffff;
  --color-light-gray:     #f5f5f5;
  --color-mid-gray:       #e0e0e0;
  --color-text:           #1a1a2e;
  --color-text-muted:     #6b7280;
  --color-text-light:     #9ca3af;
  --color-error:          #dc2626;
  --color-success:        #16a34a;
  --color-gold:           #f59e0b;

  /* Gradients */
  --gradient-hero:        linear-gradient(135deg, rgba(0,48,112,0.80) 0%, rgba(0,174,239,0.62) 100%);
  --gradient-hero-services: linear-gradient(135deg, rgba(0,174,239,0.78) 0%, rgba(0,48,112,0.92) 100%);
  --gradient-hero-about:  linear-gradient(135deg, rgba(0,48,112,0.74) 0%, rgba(0,31,77,0.82) 100%);
  --gradient-hero-contact: linear-gradient(135deg, rgba(0,48,112,0.84) 0%, rgba(0,74,158,0.88) 100%);
  --gradient-circuit:     linear-gradient(135deg, rgba(0,48,112,0.92) 0%, rgba(0,31,77,0.95) 100%);
  --gradient-dark:        linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  --gradient-cta:         linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);

  /* Typography */
  --font-family:          'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs:         0.75rem;
  --font-size-sm:         0.875rem;
  --font-size-base:       1rem;
  --font-size-md:         1.125rem;
  --font-size-lg:         1.25rem;
  --font-size-xl:         1.5rem;
  --font-size-2xl:        2rem;
  --font-size-3xl:        2.5rem;
  --font-size-4xl:        3rem;
  --font-size-hero:       3.5rem;

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;

  /* Border Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:   0 10px 15px rgba(0,0,0,0.10), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl:   0 20px 25px rgba(0,0,0,0.10), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-card: 0 2px 16px rgba(0,48,112,0.10);

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;

  /* Layout */
  --container-max:  1200px;
  --container-pad:  clamp(1rem, 5vw, 2rem);
  --header-height:  120px;
}

/* ============================================================
   2. CSS RESET / BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

address {
  font-style: normal;
}

/* Anchor offset for sticky header */
[id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, var(--font-size-hero)); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 4vw, var(--font-size-3xl)); }
h3 { font-size: clamp(1.1rem, 2.5vw, var(--font-size-xl)); }
h4 { font-size: var(--font-size-lg); }

p {
  line-height: 1.7;
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
  color: var(--color-text);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */

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

.section {
  padding-block: var(--space-24);
}

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

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

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

.section--dark p {
  color: rgba(255,255,255,0.80);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-subtitle {
  margin-inline: auto;
}

.text-center { text-align: center; }
.text-white  { color: var(--color-white) !important; }

/* ============================================================
   5. HEADER & NAVIGATION
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-mid-gray);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 100px;
  width: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  text-transform: uppercase;
}

.nav-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.btn-nav-cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 9px 22px;
  border-radius: var(--radius-pill);
  border-bottom: none !important;
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.btn-nav-cta:hover {
  background: var(--color-accent-dark) !important;
  color: var(--color-white) !important;
  border-bottom: none !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,165,179,0.30);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 6px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-light-gray);
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-toggle.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   6. HERO SECTIONS
   ============================================================ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero--home {
  background-image: url('../img/pexels-towfiqu-barbhuiya-3440682-14527417.jpg');
  align-items: flex-start;
  padding-top: 18vh;
}

.hero--services {
  background-image: url('../img/260192.jpg');
  min-height: 55vh;
}

.hero--services::before {
  background: var(--gradient-hero-services);
}

.hero--about {
  background-image: url('../img/260183.jpg');
  min-height: 55vh;
}

.hero--about::before {
  background: var(--gradient-hero-about);
}

.hero--contact {
  background-image: url('../img/home-bg00.jpg');
  min-height: 55vh;
}

.hero--contact::before {
  background: var(--gradient-hero-contact);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: var(--space-12) var(--container-pad);
  max-width: 860px;
  margin-inline: auto;
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--font-size-hero));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.hero-title span {
  color: var(--color-accent-light);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, var(--font-size-md));
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-breadcrumb {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.70);
  margin-bottom: var(--space-4);
}

.hero-breadcrumb a {
  color: rgba(255,255,255,0.70);
  transition: color var(--transition-fast);
}

.hero-breadcrumb a:hover {
  color: var(--color-white);
}

.hero-breadcrumb span {
  margin-inline: var(--space-2);
}

.hero-brand-label {
  color: var(--color-white) !important;
  font-size: 1rem;
  letter-spacing: 0.18em;
  opacity: 0.92;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.6);
  font-size: 1.5rem;
  animation: bounce 2s ease-in-out infinite;
}

/* ============================================================
   7. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px 30px;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,165,179,0.35);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.65);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 38px;
  font-size: var(--font-size-md);
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

/* ============================================================
   8. SECTION COMPONENTS
   ============================================================ */

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.card-link:hover {
  gap: 10px;
  color: var(--color-accent-dark);
}

.teal-hr {
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border: none;
  border-radius: 2px;
  margin-bottom: var(--space-6);
}

/* ============================================================
   9. SERVICE CARDS
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-8);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-mid-gray);
  border-left: 4px solid transparent;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0,165,179,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.service-card__icon i {
  font-size: 1.4rem;
  color: var(--color-accent);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.service-card__bullets {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__bullets li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-6);
  position: relative;
  line-height: 1.5;
}

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

.service-card__footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-mid-gray);
}

/* ============================================================
   10. STATS BAR
   ============================================================ */

.stats-bar {
  background: var(--color-primary);
  padding-block: var(--space-12);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-item {
  padding: var(--space-4);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ============================================================
   11. TESTIMONIALS
   ============================================================ */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-mid-gray);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  color: var(--color-gold);
  font-size: var(--font-size-sm);
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
  position: relative;
  padding-left: var(--space-6);
}

.testimonial-quote::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -6px;
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--color-mid-gray);
  padding-top: var(--space-4);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0,165,179,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-avatar i {
  color: var(--color-accent);
  font-size: 1.2rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.testimonial-company {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   12. CTA BANNER
   ============================================================ */

.cta-banner {
  background: var(--gradient-cta);
  padding-block: var(--space-20);
  text-align: center;
}

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

.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-md);
  margin-bottom: var(--space-8);
  max-width: 520px;
  margin-inline: auto;
}

/* ============================================================
   13. WHY GBC / CIRCUIT SECTION
   ============================================================ */

.why-gbc {
  position: relative;
  background-image: url('../img/Circut-269668.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding-block: var(--space-24);
}

.why-gbc::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-circuit);
}

.why-gbc .container {
  position: relative;
  z-index: 1;
}

.why-gbc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.why-gbc h2 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.why-gbc p {
  color: rgba(255,255,255,0.82);
  font-size: var(--font-size-md);
  line-height: 1.7;
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.why-feature {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.why-feature__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(0,165,179,0.20);
  border: 1px solid rgba(0,165,179,0.40);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-feature__icon i {
  color: var(--color-accent-light);
  font-size: 1rem;
}

.why-feature__text strong {
  display: block;
  color: var(--color-white);
  font-size: var(--font-size-base);
  margin-bottom: 2px;
}

.why-feature__text p {
  color: rgba(255,255,255,0.70);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* DC Visual Strip */
.dc-feature {
  position: relative;
  height: 45vh;
  min-height: 280px;
  overflow: hidden;
}

.dc-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.dc-feature__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,61,102,0.92) 0%, rgba(0,61,102,0.30) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-10) var(--container-pad);
}

.dc-feature__tagline {
  color: var(--color-white);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
}

.dc-feature__tagline hr {
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border: none;
  border-radius: 2px;
  margin-top: var(--space-3);
}

/* ============================================================
   14. SERVICES PAGE — PROCESS TIMELINE
   ============================================================ */

.process-section {
  background: var(--color-white);
  padding-block: var(--space-24);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: var(--color-mid-gray);
}

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

.process-step__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: 1;
}

.process-step__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

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

/* Tech Partners */
.tech-partners {
  background: var(--color-primary-dark);
  padding-block: var(--space-12);
}

.partners-marquee {
  overflow: hidden;
  margin-top: var(--space-8);
  -webkit-mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
}

.partners-track {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}

.partners-marquee:hover .partners-track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.partner-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.partner-slide:hover {
  opacity: 1;
}

.partner-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.partner-slide span {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}


/* ============================================================
   15. ABOUT PAGE
   ============================================================ */

.about-story {
  padding-block: var(--space-24);
}

.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.about-story p + p {
  margin-top: var(--space-4);
}

.about-story-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  display: block;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-mid-gray);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0,165,179,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.value-card__icon i {
  font-size: 1.6rem;
  color: var(--color-accent);
}

.value-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-mid-gray);
  transition: transform var(--transition-base);
}

.team-card:hover {
  transform: translateY(-4px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0,61,102,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.team-avatar i {
  font-size: 2.2rem;
  color: var(--color-primary-light);
}

.team-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.team-card__bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.team-card__social {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.team-card__social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.team-card__social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   16. CONTACT FORM
   ============================================================ */

.contact-section {
  padding-block: var(--space-24);
}

.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-12);
  align-items: start;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.form-group label .optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.form-control {
  width: 100%;
  padding: 11px 16px;
  border: 2px solid var(--color-mid-gray);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,165,179,0.15);
}

.form-control.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.10);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  display: none;
}

.field-error.visible {
  display: block;
}

.form-submit .btn {
  width: 100%;
  justify-content: center;
  padding-block: 15px;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-16);
  background: rgba(22,163,74,0.06);
  border: 1px solid rgba(22,163,74,0.25);
  border-radius: var(--radius-lg);
}

.form-success.visible {
  display: block;
}

.form-success__icon {
  font-size: 3rem;
  color: var(--color-success);
  margin-bottom: var(--space-4);
}

.form-success h3 {
  color: var(--color-success);
  margin-bottom: var(--space-3);
}

/* Contact Info Panel */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

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

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-detail__icon {
  width: 40px;
  height: 40px;
  background: rgba(0,165,179,0.10);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail__icon i {
  color: var(--color-accent);
  font-size: 1rem;
}

.contact-detail strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.contact-detail p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.contact-hours {
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.contact-hours h4 {
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  padding-block: var(--space-1);
}

.hours-row + .hours-row {
  border-top: 1px solid var(--color-mid-gray);
  padding-top: var(--space-2);
  margin-top: var(--space-1);
}

.hours-label { color: var(--color-text-muted); }
.hours-value { font-weight: 600; color: var(--color-primary); }

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--font-size-base);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.book-call-box {
  border-left: 4px solid var(--color-accent);
  background: rgba(0,165,179,0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5);
}

.book-call-box p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

/* ============================================================
   17. FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.80);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  padding-block: var(--space-16);
}

.footer-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-4);
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.60);
  line-height: 1.6;
  max-width: 240px;
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}

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

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

.footer-address p {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  margin: 0;
}

.footer-address i {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-address a {
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-block: var(--space-6);
}

.footer-bottom p {
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  margin: 0;
}

/* ============================================================
   18. ANIMATIONS & SCROLL EFFECTS
   ============================================================ */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.fade-in:nth-child(1)  { transition-delay: 0.00s; }
.fade-in:nth-child(2)  { transition-delay: 0.08s; }
.fade-in:nth-child(3)  { transition-delay: 0.16s; }
.fade-in:nth-child(4)  { transition-delay: 0.24s; }
.fade-in:nth-child(5)  { transition-delay: 0.32s; }
.fade-in:nth-child(6)  { transition-delay: 0.40s; }
.fade-in:nth-child(7)  { transition-delay: 0.48s; }
.fade-in:nth-child(8)  { transition-delay: 0.56s; }
.fade-in:nth-child(9)  { transition-delay: 0.64s; }
.fade-in:nth-child(10) { transition-delay: 0.72s; }

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(10px); }
}

/* ============================================================
   19. MEDIA QUERIES (mobile-first)
   ============================================================ */

/* --- Tablet: 640px --- */
@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Desktop: 1024px --- */
@media (max-width: 1023px) {

  /* Nav becomes mobile drawer */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 2px solid var(--color-mid-gray);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  .site-nav.is-open {
    max-height: 400px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4);
  }

  .nav-list li {
    border-bottom: 1px solid var(--color-light-gray);
  }

  .nav-list li:last-child {
    border-bottom: none;
    padding-top: var(--space-3);
  }

  .nav-link {
    display: block;
    padding: var(--space-3) var(--space-2);
    border-bottom: none;
  }

  .btn-nav-cta {
    display: block;
    text-align: center;
    border-radius: var(--radius-md) !important;
  }

  /* Grids */
  .why-gbc-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

  .process-steps::before {
    display: none;
  }

  .about-story-grid {
    grid-template-columns: 1fr;
  }

  .about-story-image {
    order: -1;
  }

  .about-story-image img {
    height: 300px;
  }
}

/* --- Mobile: 480px --- */
@media (max-width: 479px) {

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

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

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

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

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding-block: var(--space-16);
  }

  .cta-banner {
    padding-block: var(--space-16);
  }
}

/* Ensure header stays relative for mobile nav */
.site-header {
  position: sticky;
}

@media (max-width: 1023px) {
  .site-header {
    position: sticky;
    top: 0;
  }
}