/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --accent-cyan: #00e5ff;
  --accent-gold: #f5b041;
  --text-primary: #f0f4f8;
  --text-secondary: #9ca3af;
  --text-dark: #1f2937;
  --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #0f1b2d 50%, #0a1628 100%);
  --gradient-card: linear-gradient(145deg, #1a2332, #0f1625);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 4px;
}

/* ===== UTILITY ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section-title span {
  color: var(--accent-cyan);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
  background: transparent;
  border: 1.5px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  letter-spacing: 0.5px;
}

.lang-switcher:hover {
  background: var(--accent-cyan);
  color: var(--text-dark);
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER / NAVBAR ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

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

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-menu a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent-cyan);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(0, 229, 255, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(245, 176, 65, 0.04) 0%, transparent 50%);
  pointer-events: none;
  animation: drift 20s ease-in-out infinite alternate;
}

@keyframes drift {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(2%, 2%);
  }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-content h1 .highlight-cyan {
  color: var(--accent-cyan);
}

.hero-content h1 .highlight-gold {
  color: var(--accent-gold);
}

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--text-dark);
}

.btn-primary:hover {
  background: #33eaff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 1.5px solid var(--accent-cyan);
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.08);
  transform: translateY(-2px);
}

/* ===== SERVICES ===== */
.services {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.15);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(0, 229, 255, 0.08);
  font-size: 1.6rem;
  color: var(--accent-cyan);
  transition: background var(--transition), color var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent-cyan);
  color: var(--text-dark);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h2 {
  text-align: left;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 16px 8px;
  border-radius: var(--radius);
  background: rgba(0, 229, 255, 0.04);
  border: 1px solid rgba(0, 229, 255, 0.06);
}

.stat-item .number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
}

.stat-item .label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.about-cards {
  display: grid;
  gap: 16px;
}

.about-mission-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent-cyan);
}

.about-mission-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.about-mission-card h4 i {
  color: var(--accent-cyan);
}

.about-mission-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.about-mission-card.gold {
  border-left-color: var(--accent-gold);
}

.about-mission-card.gold h4 i {
  color: var(--accent-gold);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--accent-cyan);
  opacity: 0.15;
  position: absolute;
  top: 8px;
  left: 16px;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card .stars {
  color: var(--accent-gold);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 16px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-dark);
  flex-shrink: 0;
}

.testimonial-author .info strong {
  display: block;
  font-size: 0.92rem;
}

.testimonial-author .info span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 140px 0 60px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(0, 229, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.page-hero h1 span {
  color: var(--accent-cyan);
}

.page-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== PORTFOLIO ===== */
.portfolio {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.portfolio-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.04);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.06);
}

.portfolio-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--accent-cyan);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.portfolio-body {
  padding: 24px;
}

.portfolio-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 229, 255, 0.1);
  color: var(--accent-cyan);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portfolio-tag.tag-cyan {
  background: rgba(0, 229, 255, 0.08);
  color: var(--accent-cyan);
}

.portfolio-tag.tag-gold {
  background: rgba(245, 176, 65, 0.12);
  color: var(--accent-gold);
}

.portfolio-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== BLOG ===== */
.blog {
  padding: 100px 0;
  background: var(--bg-primary);
}

.blog-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 229, 255, 0.06);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.blog-category {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(0, 229, 255, 0.1);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.blog-category.tag-cyan {
  background: rgba(0, 229, 255, 0.08);
  color: var(--accent-cyan);
}

.blog-category.tag-gold {
  background: rgba(245, 176, 65, 0.12);
  color: var(--accent-gold);
}

.blog-date {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.blog-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
}

.blog-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.blog-readmore {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: gap var(--transition);
}

.blog-readmore:hover {
  gap: 10px;
}
/* ===== BLOG POST (individual article) ===== */
.blog-post {
  padding: 140px 0 80px;
  background: var(--bg-primary);
  min-height: 100vh;
}

.blog-post .blog-post-header {
  margin-bottom: 40px;
}

.blog-post .blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 20px;
  transition: opacity var(--transition);
}

.blog-post .blog-back:hover {
  opacity: 0.8;
}

.blog-post .blog-category {
  display: inline-block;
  margin-bottom: 12px;
}

.blog-post-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.blog-post-meta {
  display: flex;
  gap: 24px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.blog-post-meta i {
  margin-right: 6px;
  color: var(--accent-cyan);
}

.blog-post-content {
  max-width: 780px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.blog-post-content p {
  margin-bottom: 1.2rem;
}

.blog-post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

.blog-post-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
}

.blog-post-content strong {
  color: var(--text-primary);
}

.blog-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

.blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.blog-table thead {
  background: var(--bg-card);
}

.blog-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--accent-cyan);
  border-bottom: 2px solid rgba(0,229,255,0.15);
}

.blog-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}

.blog-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.blog-cta {
  margin-top: 3rem;
  padding: 32px;
  background: var(--gradient-card);
  border-radius: var(--radius);
  border: 1px solid rgba(0,229,255,0.1);
  text-align: center;
}

.blog-cta p {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-form {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.contact-form .form-group {
  margin-bottom: 18px;
}

.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

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

.contact-form select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--gradient-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.contact-info-item i {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  margin-top: 2px;
}

.contact-info-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.contact-info-item a:hover {
  color: var(--accent-cyan);
}

.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.04);
  flex: 1;
  min-height: 200px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 200px;
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  background: #05080f;
  padding: 48px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .logo {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  max-width: 320px;
  line-height: 1.6;
}

.footer h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.footer-social a:hover {
  background: var(--accent-cyan);
  color: var(--text-dark);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===== CHATBOT ===== */
.chatbot-toggle {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-cyan);
  color: var(--text-dark);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.chatbot-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(0, 229, 255, 0.5);
}

.chatbot-toggle .fa-times {
  display: none;
}

.chatbot-toggle.open .fa-comment-dots {
  display: none;
}

.chatbot-toggle.open .fa-times {
  display: block;
}

.chatbot-window {
  position: fixed;
  bottom: 156px;
  right: 24px;
  z-index: 998;
  width: 360px;
  max-width: calc(100vw - 48px);
  height: 480px;
  max-height: calc(100vh - 200px);
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transform-origin: bottom right;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  overflow: hidden;
}

.chatbot-window.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chatbot-header {
  background: var(--accent-cyan);
  color: var(--text-dark);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.chatbot-header h4 {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chatbot-header .status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.8;
}

.chatbot-header .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.chatbot-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  animation: msg-in 0.3s ease;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chatbot-msg.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border-bottom-left-radius: 4px;
}

.chatbot-msg.user {
  align-self: flex-end;
  background: var(--accent-cyan);
  color: var(--text-dark);
  border-bottom-right-radius: 4px;
}

.chatbot-msg.typing {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
  padding: 14px 18px;
}

.chatbot-msg.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-secondary);
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.chatbot-msg.typing span:nth-child(2) { animation-delay: 0.2s; }
.chatbot-msg.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

.chatbot-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.chatbot-footer input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition);
}

.chatbot-footer input:focus {
  border-color: var(--accent-cyan);
}

.chatbot-footer input::placeholder {
  color: var(--text-secondary);
}

.chatbot-footer button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--accent-cyan);
  color: var(--text-dark);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.chatbot-footer button:hover {
  background: #33eaff;
  transform: scale(1.05);
}

.chatbot-footer button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.chatbot-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
}

.chatbot-quick button {
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.06);
  color: var(--accent-cyan);
  font-size: 0.78rem;
  font-family: var(--font);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.chatbot-quick button:hover {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--accent-cyan);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-whatsapp 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

@keyframes pulse-whatsapp {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
  }
}

/* ===== MOBILE OVERLAY ===== */
.nav-overlay {
  display: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(75vw, 320px);
    height: 100vh;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 40px 32px;
    transition: right 0.4s ease;
    z-index: 1000;
    align-items: flex-start;
  }

  .nav-menu.open {
    right: 0;
  }

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

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
  }

  .nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .blog-masonry {
    grid-template-columns: 1fr 1fr;
  }

  .hero-content h1 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }
}

@media (max-width: 480px) {
  .chatbot-window {
    right: 12px;
    bottom: 140px;
    width: calc(100vw - 24px);
    max-height: calc(100vh - 180px);
  }
  .chatbot-toggle {
    right: 12px;
    bottom: 76px;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .blog-masonry {
    grid-template-columns: 1fr;
  }

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

  .contact-form {
    padding: 24px 18px;
  }

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