/* ============================
         Root Variables
      ============================ */
:root {
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --accent-color: #10b981;

  --dark-color: #1e293b;
  --gray-color: #64748b;
  --light-color: #f8fafc;
  --secondary-color: #f1f5f9;

  --border-color: #e2e8f0;
  --radius: 0.75rem;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================
         Base Reset & Animations
      ============================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  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(-20px);
  }
}

body {
  font-family: "Inter", sans-serif;
  background: var(--light-color);
  color: var(--dark-color);
  line-height: 1.6;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ============================
         Layout
      ============================ */
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.4rem;
}

section {
  padding: 6rem 0;
  animation: fadeIn 0.8s ease-in-out;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeInUp 0.6s ease-out;
}

.section-header h2 {
  font-size: 2.8rem;
  font-weight: 800;
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

.section-header p {
  color: var(--gray-color);
  max-width: 650px;
  margin: 1rem auto 0;
  font-size: 1.1rem;
}

/* ============================
         Header / Navbar - Enhanced
      ============================ */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  padding: 0.7rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  transition: var(--transition);
}

.logo img {
  height: 70px;
  object-fit: contain;
  transition: var(--transition);
}

.header.scrolled .logo img {
  height: 60px;
}

.nav ul {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav ul li a {
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav ul li a:hover::after {
  width: 100%;
}

.nav ul li a:hover {
  color: var(--primary-color);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-btn span {
  width: 28px;
  height: 3px;
  background: var(--dark-color);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================
         Hero Section - Enhanced
      ============================ */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.1) 0%,
    transparent 70%
  );
  animation: pulse 4s ease-in-out infinite;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-content h2 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(
    135deg,
    var(--dark-color) 0%,
    var(--primary-color) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  margin: 1.5rem 0 2.5rem;
  font-size: 1.2rem;
  color: var(--gray-color);
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-image {
  animation: slideInRight 0.8s ease-out;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  animation: float 6s ease-in-out infinite;
}

/* ============================
         Buttons - Enhanced
      ============================ */
.btn {
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

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

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

/* ============================
         Services Section - Enhanced
      ============================ */
.services {
  background: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.service-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out backwards;
}

.service-card:nth-child(1) {
  animation-delay: 0.1s;
}
.service-card:nth-child(2) {
  animation-delay: 0.2s;
}
.service-card:nth-child(3) {
  animation-delay: 0.3s;
}
.service-card:nth-child(4) {
  animation-delay: 0.4s;
}
.service-card:nth-child(5) {
  animation-delay: 0.5s;
}
.service-card:nth-child(6) {
  animation-delay: 0.6s;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.service-icon {
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-icon img {
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--dark-color);
}

.service-card p {
  color: var(--gray-color);
  line-height: 1.7;
}

/* ============================
         About - Enhanced
      ============================ */
.about {
  background: var(--secondary-color);
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content {
  animation: fadeInUp 0.8s ease-out;
}

.about-content p {
  margin-bottom: 1.5rem;
  color: var(--gray-color);
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-image {
  animation: slideInRight 0.8s ease-out;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
}

/* ============================
         Contact - Enhanced
      ============================ */
.contact {
  background: white;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
}

.contact-info {
  animation: fadeInUp 0.6s ease-out;
}

.info-item {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--secondary-color);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.info-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow);
}

.info-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.info-item p {
  color: var(--gray-color);
  line-height: 1.6;
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  animation: fadeInUp 0.8s ease-out;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
  color: var(--dark-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--light-color);
  transition: var(--transition);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  outline: none;
  background: white;
}

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

/* ============================
         Footer - Enhanced
      ============================ */
.footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, white, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-logo p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.links-column h3 {
  margin-bottom: 1.2rem;
  font-size: 1.2rem;
  color: var(--primary-light);
}

.links-column a {
  display: block;
  margin: 0.6rem 0;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
  padding-left: 0;
}

.links-column a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

/* ============================
         Responsive Design
      ============================ */
@media (max-width: 992px) {
  .hero .container,
  .about .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

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

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

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

  .section-header h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    background: white;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    padding: 6rem 2rem 2rem;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 999;
  }

  .nav.active {
    right: 0;
  }

  .nav ul {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }

  .nav ul li a {
    font-size: 1.1rem;
  }

  .hero {
    padding-top: 8rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .hero-content h2 {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .hero-btns {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .service-card {
    padding: 2rem 1.5rem;
  }
}

/* Smooth Scroll Enhancement */
html {
  scroll-padding-top: 100px;
}