/* ========================================
   OE Marketing - Main Stylesheet
   Design System & Complete Styles
   ======================================== */

/* ----------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------- */
:root {
  /* Primary Colors */
  --color-primary: #0052CC;
  --color-primary-dark: #003D99;
  --color-primary-light: #4C9AFF;
  
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, #0052CC 0%, #00A3FF 100%);
  --gradient-hero: linear-gradient(135deg, #0052CC 0%, #0066FF 50%, #00A3FF 100%);
  --gradient-subtle: linear-gradient(180deg, #F8FAFF 0%, #FFFFFF 100%);
  --gradient-cta: linear-gradient(135deg, #0052CC 0%, #00A3FF 50%, #00C6FF 100%);
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-off-white: #F8FAFF;
  --color-gray-50: #F7F9FC;
  --color-gray-100: #EEF2F7;
  --color-gray-200: #DFE6EE;
  --color-gray-300: #C4CDD5;
  --color-gray-400: #919EAB;
  --color-gray-500: #637381;
  --color-gray-600: #454F5B;
  --color-gray-700: #212B36;
  --color-gray-900: #161C24;
  
  /* Accent Colors */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  
  /* Typography */
  --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Sora', 'Outfit', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  
  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(0, 82, 204, 0.15);
  --shadow-glow-strong: 0 0 60px rgba(0, 82, 204, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-slower: 500ms ease;
  
  /* Container */
  --container-max: 1280px;
  --container-narrow: 960px;
  
  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ----------------------------------------
   Typography
   ---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--text-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  color: var(--color-gray-600);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----------------------------------------
   Layout & Container
   ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

.section--lg {
  padding: var(--space-32) 0;
}

.section--gray {
  background: var(--color-gray-50);
}

.section--gradient {
  background: var(--gradient-subtle);
}

/* ----------------------------------------
   Header & Navigation
   ---------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-extrabold);
  font-size: var(--text-lg);
}

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

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  transition: all var(--transition-base);
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(0, 82, 204, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 82, 204, 0.45);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 1.5px solid var(--color-gray-200);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
}

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

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

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

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--icon {
  padding: var(--space-3);
}

.btn svg,
.btn .icon {
  width: 18px;
  height: 18px;
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
  position: relative;
  padding: calc(80px + var(--space-24)) 0 var(--space-24);
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero__background::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(0, 82, 204, 0.08) 0%, transparent 70%);
  transform: rotate(-15deg);
}

.hero__background::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 163, 255, 0.05) 0%, transparent 70%);
}

.hero__grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 82, 204, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 204, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, transparent, white 20%, white 80%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, white 20%, white 80%, transparent);
}

.hero__content {
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, var(--text-7xl));
  margin-bottom: var(--space-6);
  line-height: 1.05;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
  max-width: 600px;
  line-height: var(--leading-relaxed);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ----------------------------------------
   Services Section
   ---------------------------------------- */
.services__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.services__header p {
  font-size: var(--text-lg);
  margin-top: var(--space-4);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

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

.service-card__icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-subtle);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.service-card__desc {
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
}

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

.service-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.service-card__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ----------------------------------------
   Why Choose Us Section
   ---------------------------------------- */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.advantage-card {
  text-align: center;
  padding: var(--space-8);
}

.advantage-card__icon {
  width: 72px;
  height: 72px;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.advantage-card__icon svg {
  width: 32px;
  height: 32px;
}

.advantage-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.advantage-card__stat {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.advantage-card__desc {
  font-size: var(--text-sm);
}

/* ----------------------------------------
   Process Section
   ---------------------------------------- */
.process__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

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

.process__connector {
  display: none;
}

@media (min-width: 1024px) {
  .process__connector {
    display: block;
    position: absolute;
    top: 80px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--color-gray-200);
  }
  
  .process__connector::before,
  .process__connector::after {
    content: '';
    position: absolute;
    top: -4px;
    width: 10px;
    height: 10px;
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
  }
  
  .process__connector::before { left: 0; }
  .process__connector::after { right: 0; }
}

.step-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.step-card__number {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
  position: relative;
  z-index: 1;
}

.step-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.step-card__desc {
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
}

.step-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: left;
}

.step-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.step-card__list li svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* ----------------------------------------
   Testimonials Section
   ---------------------------------------- */
.testimonials__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
}

.testimonial-card__quote {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: var(--text-5xl);
  color: var(--color-gray-100);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  color: var(--color-warning);
}

.testimonial-card__stars svg {
  width: 18px;
  height: 18px;
}

.testimonial-card__text {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

.testimonial-card__info h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.testimonial-card__info p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ----------------------------------------
   CTA Section
   ---------------------------------------- */
.cta-section {
  background: var(--gradient-hero);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

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

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.cta-section__benefits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.cta-section__benefit {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.9);
}

.cta-section__benefit svg {
  width: 20px;
  height: 20px;
  color: var(--color-white);
}

.cta-section .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.cta-section .btn--primary:hover {
  background: var(--color-gray-50);
}

/* ----------------------------------------
   Contact Form Section
   ---------------------------------------- */
.contact-form-section {
  background: var(--color-gray-50);
}

.contact-form-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-form-section__content h2 {
  margin-bottom: var(--space-4);
}

.contact-form-section__content > p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
}

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

.contact-form-section__feature {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact-form-section__feature-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-form-section__feature-icon svg {
  width: 24px;
  height: 24px;
}

.contact-form-section__feature h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.contact-form-section__feature p {
  font-size: var(--text-sm);
}

.form-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.form-card h3 {
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-gray-50);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

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

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

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

.form-card .btn {
  width: 100%;
  margin-top: var(--space-4);
}

.form-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.form-note svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: var(--font-extrabold);
  font-size: var(--text-lg);
}

.footer__brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-400);
}

.footer__column h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

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

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer__social {
  width: 40px;
  height: 40px;
  background: var(--color-gray-700);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.footer__social svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-700);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

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

/* ----------------------------------------
   Services Page Specific
   ---------------------------------------- */
.page-hero {
  padding: calc(80px + var(--space-16)) 0 var(--space-16);
  background: var(--gradient-subtle);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(0, 82, 204, 0.06) 0%, transparent 70%);
}

.page-hero h1 {
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-xl);
  max-width: 600px;
  margin: 0 auto;
}

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

.service-detail:nth-child(even) {
  direction: rtl;
}

.service-detail:nth-child(even) > * {
  direction: ltr;
}

.service-detail__content {
  padding: var(--space-8) 0;
}

.service-detail__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 82, 204, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.service-detail__title {
  margin-bottom: var(--space-4);
}

.service-detail__desc {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
}

.service-detail__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
}

.service-detail__list li svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  margin-top: 2px;
  flex-shrink: 0;
}

.service-detail__ideal {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.service-detail__ideal h4 {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.service-detail__ideal p {
  font-size: var(--text-sm);
}

.service-detail__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.service-detail__visual {
  background: var(--gradient-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
  overflow: hidden;
}

.service-detail__visual::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 120px;
  height: 120px;
  background: rgba(0, 82, 204, 0.1);
  border-radius: var(--radius-full);
}

.service-detail__visual::after {
  content: '';
  position: absolute;
  bottom: 15%;
  left: 15%;
  width: 80px;
  height: 80px;
  background: rgba(0, 163, 255, 0.1);
  border-radius: var(--radius-full);
}

.service-detail__icon {
  width: 140px;
  height: 140px;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: var(--shadow-glow-strong);
  position: relative;
  z-index: 1;
}

.service-detail__icon svg {
  width: 64px;
  height: 64px;
}

/* ----------------------------------------
   About Page Specific
   ---------------------------------------- */
.about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.about-mission__content p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.about-mission__visual {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  color: var(--color-white);
}

.about-mission__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.about-mission__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
}

.about-mission__stat-label {
  font-size: var(--text-sm);
  opacity: 0.85;
}

.methodology__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.methodology-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

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

.methodology-card__icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-subtle);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.methodology-card__icon svg {
  width: 28px;
  height: 28px;
}

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

.methodology-card p {
  font-size: var(--text-sm);
}

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

.value-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}

.value-card__icon svg {
  width: 32px;
  height: 32px;
}

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

.value-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
}

.team-section {
  text-align: center;
}

.team-section h2 {
  margin-bottom: var(--space-4);
}

.team-section > p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-10);
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.team-card__avatar {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
}

.team-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
}

.team-card p {
  font-size: var(--text-sm);
}

/* ----------------------------------------
   Contact Page Specific
   ---------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-info {
  padding: var(--space-8) 0;
}

.contact-info h2 {
  margin-bottom: var(--space-4);
}

.contact-info > p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-10);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.contact-method:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.contact-method__icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-method__icon svg {
  width: 24px;
  height: 24px;
}

.contact-method__content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.contact-method__content p {
  font-size: var(--text-sm);
}

.contact-method__content a {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.contact-method__content a:hover {
  text-decoration: underline;
}

.contact-trust {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.contact-trust h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.contact-trust h4 svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
}

.contact-trust ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-trust li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

.contact-trust li svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Contact CTA Box */
.contact-cta-box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
  color: var(--color-white);
}

.contact-cta-box__icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-cta-box__icon svg {
  width: 24px;
  height: 24px;
}

.contact-cta-box__content h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.contact-cta-box__content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  margin: 0;
}

/* ----------------------------------------
   Animations
   ---------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease forwards;
}

[data-animate] {
  opacity: 0;
}

[data-animate].visible {
  animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animations */
[data-animate-delay="1"] { animation-delay: 0.1s; }
[data-animate-delay="2"] { animation-delay: 0.2s; }
[data-animate-delay="3"] { animation-delay: 0.3s; }
[data-animate-delay="4"] { animation-delay: 0.4s; }

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .service-detail:nth-child(even) {
    direction: ltr;
  }
  
  .about-mission {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .values__grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .contact-form-section__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

@media (max-width: 768px) {
  :root {
    --text-7xl: 3rem;
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
  }
  
  .header__inner {
    height: 70px;
  }
  
  .nav__list {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  /* Mobile Menu */
  .nav.active .nav__list {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--space-8);
    gap: var(--space-6);
    z-index: var(--z-fixed);
  }
  
  .nav.active .nav__link {
    font-size: var(--text-lg);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-gray-100);
  }
  
  .hero {
    min-height: auto;
    padding: calc(70px + var(--space-16)) 0 var(--space-16);
  }
  
  .hero__ctas {
    flex-direction: column;
  }
  
  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero__stats {
    flex-direction: column;
    gap: var(--space-6);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .services__grid,
  .advantages__grid,
  .process__steps,
  .testimonials__grid,
  .methodology__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .cta-section__benefits {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
  
  .service-detail__visual {
    min-height: 250px;
  }
  
  .service-detail__icon {
    width: 100px;
    height: 100px;
  }
  
  .service-detail__icon svg {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .form-card {
    padding: var(--space-6);
  }
  
  .testimonial-card {
    padding: var(--space-6);
  }
  
  .service-card {
    padding: var(--space-6);
  }
  
  .step-card {
    padding: var(--space-6);
  }
}

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

.w-full { width: 100%; }

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