:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --background-color: #ffffff;
  --text-color: #1e293b;
  --text-light: #64748b;
  --light-bg: #f8fafc;
  --border-color: #e2e8f0;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 500;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.btn-outline:hover {
  background-color: var(--light-bg);
  border-color: var(--text-light);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 700px;
  margin-bottom: 2rem;
}

.text-center {
  text-align: center;
}

.is-hidden {
  display: none !important;
}

.field-validation {
  color: #dc2626;
  font-size: 0.85rem;
}

.form-alert {
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.form-alert.success {
  background: #dcfce7;
  color: #166534;
}

.form-alert.error {
  background: #fee2e2;
  color: #991b1b;
}

/* Header */
.header {
  padding: 1rem 0;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo-img {
  height: 70px;
  
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.nav-list a {
  font-weight: 500;
  color: var(--text-light);
  transition: color 0.2s;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary-color);
  font-weight: 600;
  padding: 0.5rem 1rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
  font-size: 0.875rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-light);
  padding: 0.25rem;
  font-weight: 500;
}

.lang-btn.active {
  color: var(--primary-color);
  font-weight: 700;
}

.divider {
  color: var(--border-color);
}

/* Hero */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  background-color: #0b0f19;
  overflow: hidden;
  color: white;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  z-index: 0;
  animation: float 10s infinite ease-in-out alternate;
}

.hero-blob-1 {
  top: -10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #3b82f6, #2563eb);
  animation-delay: 0s;
}

.hero-blob-2 {
  bottom: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8b5cf6, #7c3aed);
  animation-delay: -5s;
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
  }

  100% {
    transform: translate(30px, 50px) scale(1.1);
  }
}

@keyframes floatSmall {
  0% {
    transform: translate(0, 0) scale(1);
  }

  100% {
    transform: translate(10px, 15px) scale(1.05);
  }
}

.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}

.hero-content {
  flex: 1;
  max-width: 650px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title-part {
  display: inline-block;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #94a3b8;
  margin-bottom: 3rem;
  line-height: 1.6;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
}

.hero .btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.hero .btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.hero .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.hero .btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-image-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 20px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-15px);
  }
}

.experience-box {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: floatBox 8s ease-in-out infinite reverse;
}

@keyframes floatBox {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(10px);
  }
}

.experience-body {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.experience-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.experience-content h1 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  line-height: 1;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.experience-content p {
  margin: 0;
  font-size: 0.875rem;
  color: #94a3b8;
  display: flex;
  flex-direction: column;
}

.fade-in {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content > * {
  opacity: 0;
  animation: slideUp 0.8s ease-out forwards;
}

.hero-title {
  animation-delay: 0.2s;
}

.hero-subtitle {
  animation-delay: 0.4s;
}

.hero-actions {
  animation-delay: 0.6s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* About */
.about-section {
  padding: 8rem 0;
  position: relative;
  z-index: 1;
}

.about-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  padding: 3px;
  border-radius: 2rem;
  background: linear-gradient(135deg, #2563eb, #8b5cf6);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}

.about-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 4rem;
  border-radius: calc(2rem - 3px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-header {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.about-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
  animation: bounce 3s infinite ease-in-out;
}

.about-section .section-title {
  margin-bottom: 0;
  background: linear-gradient(135deg, #1e293b 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 3rem;
}

.about-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #2563eb, #8b5cf6);
  margin: 0 auto 2.5rem;
  border-radius: 2px;
}

.about-text {
  font-size: 1.25rem;
  line-height: 1.8;
  color: #475569;
  font-weight: 500;
}

.about-card-decoration {
  position: absolute;
  top: -20px;
  left: 20px;
  right: 20px;
  bottom: -20px;
  background: linear-gradient(135deg, #2563eb55, #8b5cf655);
  filter: blur(40px);
  z-index: -1;
  border-radius: 3rem;
  opacity: 0.6;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* All-in-One */
.all-in-one {
  padding: 6rem 0;
  background-color: #fff;
}

.all-in-one-container {
  text-align: center;
}

.all-in-one-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.all-in-one-card {
  padding: 2rem;
  border-radius: 1.5rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
}

.all-in-one-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.all-in-one-card p {
  color: var(--text-light);
}

.all-in-one-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

/* Integrated Modules */
.integrated-modules {
  padding: 5rem 0;
  background-color: white;
}

.im-header {
  text-align: center;
  margin-bottom: 4rem;
}

.im-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.im-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.im-desc {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.im-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.im-card {
  background-color: #f8fafc;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.im-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  background-color: white;
  border: 1px solid var(--border-color);
}

.im-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.im-card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Modules */
.modules-section {
  padding: 5rem 0;
  background-color: #f8fafc;
}

.modules-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.module-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background: white;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.95rem;
}

.module-tab:hover {
  background-color: #f1f5f9;
}

.module-tab.active {
  background-color: var(--text-color);
  color: white;
  border-color: var(--text-color);
}

.module-content {
  display: flex;
  gap: 2rem;
  background: white;
  border-radius: 2rem;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.module-visual-wrapper {
  flex: 0 0 300px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1.5rem;
  overflow: hidden;
  min-height: 400px;
}

.module-visual-icon {
  font-size: 5rem;
  z-index: 2;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
  animation: floatSmall 6s ease-in-out infinite alternate;
}

.module-visual-decoration {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 2px dashed;
  border-radius: 50%;
  opacity: 0.2;
  animation: spin 20s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.module-details {
  flex: 1;
  padding: 1rem;
}

.module-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background-color: #f1f5f9;
  padding: 1rem;
  border-radius: 0.5rem;
}

.module-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.module-description-box {
  background-color: #f8fafc;
  padding: 1.5rem;
  border-radius: 1rem;
}

.module-description {
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.key-features-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
}

.key-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-item {
  background: white;
  padding: 1rem;
  border-radius: 0.75rem;
  border-left: 3px solid #ccc;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.feature-text {
  font-size: 0.9rem;
  font-weight: 500;
}

.feature-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.btn-circle-arrow {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: black;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: none;
  margin-left: auto;
  transition: transform 0.2s;
}

.btn-circle-arrow:hover {
  transform: rotate(45deg);
  background: #333;
}

/* VoIP & AI */
.voip-chatbot {
  padding: 5rem 0;
  background-color: #f1f5f9;
}

.vc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.vc-card {
  background-color: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.vc-image-wrapper {
  height: 200px;
  background-color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vc-placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #64748b;
  font-size: 1.5rem;
}

.voip-img {
  background: linear-gradient(45deg, #3b82f6, #60a5fa);
  color: white;
}

.chatbot-img {
  background: linear-gradient(45deg, #10b981, #34d399);
  color: white;
}

.vc-content {
  padding: 2rem;
}

.vc-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.vc-desc {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.ai-card {
  border: 1px solid rgba(139, 92, 246, 0.3);
  position: relative;
  overflow: hidden;
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
}

.vc-badge {
  display: inline-block;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.ai-pulse-icon {
  font-size: 4rem;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 rgba(139, 92, 246, 0));
  }

  50% {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.5));
  }

  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 rgba(139, 92, 246, 0));
  }
}

.check-icon {
  color: #10b981;
  font-weight: bold;
  margin-right: 0.5rem;
}

.vc-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.vc-list li {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

/* Contact */
.contact-section {
  padding: 6rem 0;
  background: #fff;
}

.contact-container {
  max-width: 800px;
}

.contact-header {
  margin-bottom: 2rem;
}

/* Footer */
.footer {
  background-color: #f8fafc;
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.btn-full {
  width: 100%;
}

.footer-stats-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  color: var(--text-light);
  font-size: 0.875rem;
}

.footer-contact-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-light);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 2rem;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-card {
  background: #fff;
  border-radius: 1.5rem;
  padding: 2rem;
  width: min(720px, 100%);
  position: relative;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.3);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 900px) {
  .module-content {
    flex-direction: column;
  }

  .module-visual-wrapper {
    min-height: 250px;
    flex: none;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 4rem;
    text-align: center;
  }

  .hero-container {
    flex-direction: column;
    gap: 3rem;
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero-actions {
    justify-content: center;
    flex-direction: column;
  }

  .hero-image-wrapper {
    width: 100%;
  }

  .experience-box {
    left: 50%;
    transform: translateX(-50%);
    bottom: -30px;
    width: max-content;
    animation: none;
  }

  .vc-container {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}