/* ============================================
   SEO Pro - Complete Stylesheet
   Modern, Production-Ready CSS
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #0056b3;
  --color-secondary: #ff6600;
  --color-dark: #003880;
  --color-light: #e8f0ff;
  --color-white: #ffffff;
  --color-text-dark: #1a2340;
  --color-text-grey: #5a6a8a;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Montserrat', system-ui, sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 48, 128, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 48, 128, 0.1), 0 2px 4px -1px rgba(0, 48, 128, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 48, 128, 0.1), 0 4px 6px -2px rgba(0, 48, 128, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 48, 128, 0.1), 0 10px 10px -5px rgba(0, 48, 128, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 48, 128, 0.25);
  --shadow-card: 0 8px 32px rgba(0, 86, 179, 0.12);
  --shadow-card-hover: 0 16px 48px rgba(0, 86, 179, 0.2);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  --header-height: 72px;
  --container-max: 1200px;
  --container-padding: var(--spacing-6);

  --gradient-primary: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 50%, #0060c0 100%);
  --gradient-hero: linear-gradient(135deg, #001a3a 0%, #003880 30%, #0056b3 60%, #1a6fd0 100%);
  --gradient-light: linear-gradient(135deg, var(--color-light) 0%, #d0e4ff 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text-dark);
}

p {
  line-height: var(--line-height-relaxed);
}

/* --- Accessibility --- */
:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-4);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-md);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-4);
}

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

.section {
  padding: var(--spacing-20) 0;
}

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

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

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

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section__tag {
  display: inline-block;
  background-color: var(--color-light);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-4);
  border: 1px solid rgba(0, 86, 179, 0.15);
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-4);
  line-height: var(--line-height-tight);
}

.section__title--white {
  color: var(--color-white);
}

.section__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-grey);
  max-width: 640px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.section__subtitle--white {
  color: rgba(255, 255, 255, 0.85);
}

/* --- Animation Classes --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.animate-on-scroll--delay-1 { transition-delay: 0.1s; }
.animate-on-scroll--delay-2 { transition-delay: 0.2s; }
.animate-on-scroll--delay-3 { transition-delay: 0.3s; }
.animate-on-scroll--delay-4 { transition-delay: 0.4s; }
.animate-on-scroll--delay-5 { transition-delay: 0.5s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255, 255, 255, 0.1);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

.btn--primary:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 86, 179, 0.3);
}

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

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.3);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.btn--white:hover {
  background: var(--color-light);
  border-color: var(--color-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

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

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

.btn--lg {
  padding: var(--spacing-4) var(--spacing-10);
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: var(--spacing-2) var(--spacing-6);
  font-size: var(--font-size-sm);
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: all var(--transition-base);
  background: transparent;
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 48, 128, 0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--spacing-6);
  max-width: var(--container-max);
  margin: 0 auto;
}

.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  text-decoration: none;
}

.header__logo img,
.header__logo svg {
  height: 40px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.header__nav-link {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.header__nav-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.header.is-scrolled .header__nav-link {
  color: var(--color-text-dark);
}

.header.is-scrolled .header__nav-link:hover {
  color: var(--color-primary);
  background: var(--color-light);
}

.header__cta {
  display: none;
}

.header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: transparent;
  border: none;
  transition: background var(--transition-fast);
}

.header__hamburger:hover {
  background: rgba(255, 255, 255, 0.15);
}

.header.is-scrolled .header__hamburger:hover {
  background: var(--color-light);
}

.header__hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.header.is-scrolled .header__hamburger-line {
  background: var(--color-text-dark);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 10px 30px rgba(0, 48, 128, 0.15);
  transform: translateY(-110%);
  transition: transform var(--transition-base);
  z-index: 999;
  border-top: 1px solid rgba(0, 86, 179, 0.1);
}

.mobile-menu.is-open {
  transform: translateY(0);
}

.mobile-menu__list {
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.mobile-menu__link {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-dark);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--color-light);
  color: var(--color-primary);
}

.mobile-menu__cta {
  padding: var(--spacing-4) var(--spacing-4) var(--spacing-6);
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-20);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img,
.hero__bg svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero__gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 28, 60, 0.85) 0%, rgba(0, 48, 128, 0.6) 50%, rgba(0, 86, 179, 0.4) 100%);
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.hero__content {
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: rgba(255, 102, 0, 0.2);
  border: 1px solid rgba(255, 102, 0, 0.4);
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-6);
  animation: fadeIn 0.8s ease both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-secondary);
  animation: pulse 2s infinite;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--color-white);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-6);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__title-accent {
  color: var(--color-secondary);
  display: block;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  align-items: center;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-8);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  animation: fadeIn 0.8s ease 1s both;
}

.hero__trust-avatars {
  display: flex;
  margin-right: var(--spacing-2);
}

.hero__trust-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-dark);
  margin-left: -8px;
}

.hero__trust-avatar:first-child {
  margin-left: 0;
}

.hero__illustration {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.8s ease 0.3s both;
}

.hero__illustration img,
.hero__illustration svg {
  width: 100%;
  max-width: 480px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: float 6s ease-in-out infinite;
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 48, 128, 0.08), 0 4px 20px rgba(0, 48, 128, 0.08);
  padding: var(--spacing-10) 0;
  position: relative;
  z-index: 3;
}

.stats-bar__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-4);
}

.stat-item__number {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-2);
  display: block;
}

.stat-item__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-grey);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Service Sections --- */
.service-section {
  padding: var(--spacing-20) 0;
}

.service-section:nth-child(even) {
  background: var(--color-light);
}

.service-section__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.service-card {
  background: var(--gradient-card);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-10);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 86, 179, 0.08);
  transition: all var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: rgba(0, 86, 179, 0.15);
}

.service-card__icon {
  width: 72px;
  height: 72px;
  background: var(--color-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
  transition: all var(--transition-base);
  border: 2px solid rgba(0, 86, 179, 0.1);
}

.service-card:hover .service-card__icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.service-card__icon img,
.service-card__icon svg {
  width: 40px;
  height: 40px;
  transition: filter var(--transition-base);
}

.service-card:hover .service-card__icon img,
.service-card:hover .service-card__icon svg {
  filter: brightness(0) invert(1);
}

.service-card__tag {
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-3);
  display: block;
}

.service-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-4);
}

.service-card__text {
  color: var(--color-text-grey);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
  font-size: var(--font-size-base);
}

.service-card__list {
  margin-bottom: var(--spacing-8);
}

.service-card__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-2) 0;
  color: var(--color-text-dark);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-bottom: 1px solid rgba(0, 86, 179, 0.06);
}

.service-card__list-item:last-child {
  border-bottom: none;
}

.service-card__list-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.service-card__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.service-card__visual img,
.service-card__visual svg {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 10px 30px rgba(0, 86, 179, 0.15));
}

/* --- Why Choose Us --- */
.why-us {
  padding: var(--spacing-20) 0;
  background: var(--color-white);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

.why-us__card {
  background: var(--color-white);
  border: 1px solid rgba(0, 86, 179, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.why-us__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

.why-us__card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
  border-color: rgba(0, 86, 179, 0.2);
}

.why-us__card:hover::before {
  transform: scaleX(1);
}

.why-us__icon {
  width: 64px;
  height: 64px;
  background: var(--color-light);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-5);
  font-size: 28px;
  transition: all var(--transition-base);
}

.why-us__card:hover .why-us__icon {
  background: var(--color-primary);
}

.why-us__card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-3);
}

.why-us__card-text {
  color: var(--color-text-grey);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* --- Testimonials --- */
.testimonials {
  padding: var(--spacing-20) 0;
  background: var(--gradient-light);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 86, 179, 0.06);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-6);
  font-size: 80px;
  font-family: Georgia, serif;
  color: var(--color-light);
  line-height: 1;
  font-weight: 700;
}

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

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--spacing-4);
}

.testimonial-card__star {
  color: var(--color-warning);
  font-size: var(--font-size-lg);
}

.testimonial-card__text {
  color: var(--color-text-dark);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  font-style: italic;
  margin-bottom: var(--spacing-6);
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 700;
  color: var(--color-text-dark);
  font-size: var(--font-size-sm);
  display: block;
}

.testimonial-card__role {
  color: var(--color-text-grey);
  font-size: var(--font-size-xs);
  display: block;
  margin-top: 2px;
}

/* --- Contact Section --- */
.contact {
  padding: var(--spacing-20) 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 102, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.contact::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 102, 0, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: start;
}

.contact__content {
  color: var(--color-white);
}

.contact__tag {
  display: inline-block;
  background: rgba(255, 102, 0, 0.2);
  border: 1px solid rgba(255, 102, 0, 0.4);
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-4);
}

.contact__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
  line-height: var(--line-height-tight);
}

.contact__subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
}

.contact__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.contact__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.contact__feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.form__group {
  margin-bottom: var(--spacing-5);
}

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-2);
}

.form__label span {
  color: var(--color-error);
  margin-left: 2px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid rgba(0, 86, 179, 0.15);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  background: var(--color-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.08);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(90, 106, 138, 0.5);
}

.form__input.is-error,
.form__textarea.is-error {
  border-color: var(--color-error);
}

.form__input.is-error:focus,
.form__textarea.is-error:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

.form__error {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--spacing-1);
  font-weight: 500;
}

.form__error.is-visible {
  display: block;
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__submit {
  width: 100%;
  padding: var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: 700;
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--spacing-8);
  color: var(--color-success);
}

.form__success.is-visible {
  display: block;
}

.form__success-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-4);
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-10);
  padding-bottom: var(--spacing-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--spacing-8);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: inline-flex;
  margin-bottom: var(--spacing-4);
}

.footer__logo img,
.footer__logo svg {
  height: 36px;
  filter: brightness(0) invert(1);
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.footer__nav-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--spacing-4);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer__nav-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__nav-link:hover {
  color: var(--color-secondary);
}

.footer__social {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: rgba(255, 255, 255, 0.7);
}

.footer__social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
  text-align: center;
}

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

.footer__legal-links {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__legal-link {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-xs);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-secondary);
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-8);
  right: var(--spacing-6);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 86, 179, 0.3);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  z-index: 100;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 86, 179, 0.4);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* --- 768px and up --- */
@media (min-width: 768px) {
  .section__title {
    font-size: var(--font-size-4xl);
  }

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

  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero__inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .hero__content {
    text-align: left;
  }

  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__actions {
    justify-content: flex-start;
  }

  .hero__trust {
    justify-content: flex-start;
  }

  .hero__badge {
    align-self: flex-start;
  }

  .stats-bar__inner {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .stat-item {
    border-right: 1px solid rgba(0, 86, 179, 0.1);
  }

  .stat-item:last-child {
    border-right: none;
  }

  .service-section__inner {
    grid-template-columns: 1fr 1fr;
  }

  .service-section:nth-child(even) .service-card {
    order: 1;
  }

  .service-section:nth-child(even) .service-card__visual {
    order: -1;
  }

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

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

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

  .footer__top {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .header__cta {
    display: block;
  }
}

/* --- 1024px and up --- */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }

  .header__hamburger {
    display: none;
  }

  .mobile-menu {
    display: none;
  }

  .hero__title {
    font-size: var(--font-size-6xl);
  }

  .section__title {
    font-size: var(--font-size-4xl);
  }

  .service-card {
    padding: var(--spacing-12);
  }
}

/* --- 1200px and up --- */
@media (min-width: 1200px) {
  :root {
    --container-padding: var(--spacing-8);
  }

  .hero__title {
    font-size: 4.5rem;
  }

  .section {
    padding: var(--spacing-24) 0;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero__illustration img,
  .hero__illustration svg {
    animation: none;
  }
}

/* --- Print Styles --- */
@media print {
  .header,
  .back-to-top,
  .hero__actions {
    display: none;
  }

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