/* ========== DESIGN SYSTEM ========== */
:root {
  --color-1: #5AA6C6;
  --color-2: #68B2AF;
  --color-3: #6EBD9C;
  --gradient: linear-gradient(135deg, var(--color-1), var(--color-2), var(--color-3));
  --gradient-text: linear-gradient(135deg, #5AA6C6, #6EBD9C);

  --bg-dark: #070d1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(90, 166, 198, 0.08);
  --border: rgba(90, 166, 198, 0.15);
  --border-hover: rgba(90, 166, 198, 0.45);

  --text-primary: #f0f4f8;
  --text-secondary: #8fa3b4;
  --text-muted: #4a5c6a;

  --shadow: 0 0 40px rgba(90, 166, 198, 0.08);
  --shadow-hover: 0 0 60px rgba(90, 166, 198, 0.18);

  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* Ensure all sections sit above the grid */
.navbar, .hero, .section, .footer {
  position: relative;
  z-index: 1;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea { font-family: var(--font); }

/* ========== UTILITIES ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(7, 13, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }
.logo-img {
  height: 72px;
  width: auto;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 12px rgba(90, 166, 198, 0.4));
  transition: var(--transition);
}
.logo-img:hover { filter: drop-shadow(0 0 20px rgba(110, 189, 156, 0.6)); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--gradient);
  border-radius: 50%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 4px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay { display: none; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 8s ease-in-out infinite;
}
.orb-1 {
  width: 500px; height: 500px;
  background: rgba(90, 166, 198, 0.12);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: rgba(110, 189, 156, 0.10);
  bottom: 0; left: -100px;
  animation-delay: 3s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: rgba(104, 178, 175, 0.08);
  top: 50%; left: 40%;
  animation-delay: 6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-3);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--color-3);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(110, 189, 156, 0.7); }
  50% { box-shadow: 0 0 0 6px rgba(110, 189, 156, 0); }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero-slogan {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: italic;
  margin-bottom: 20px;
  letter-spacing: 2px;
  filter: drop-shadow(0 0 18px rgba(90, 166, 198, 0.45));
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-primary);
  opacity: 0.88;
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-1), transparent);
  animation: scrollDrop 1.5s ease-in-out infinite;
}
@keyframes scrollDrop {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 24px rgba(90, 166, 198, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(90, 166, 198, 0.45);
}
.btn-outline {
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-1);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* ========== SECTION ========== */
.section { padding: 100px 0; }
.section-dark { background: rgba(255,255,255,0.015); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

/* ========== SERVICES ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(90, 166, 198, 0.2), rgba(110, 189, 156, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-1);
  margin-bottom: 20px;
  border: 1px solid rgba(90, 166, 198, 0.2);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, rgba(90, 166, 198, 0.35), rgba(110, 189, 156, 0.35));
  color: var(--color-3);
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.card-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle at 50% 0%, rgba(90, 166, 198, 0.06), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover .card-glow { opacity: 1; }

/* ========== ABOUT ========== */
.about-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text .section-tag { margin-bottom: 16px; display: inline-block; }

.about-desc {
  font-size: 0.97rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.highlight-item i { color: var(--color-3); font-size: 1rem; flex-shrink: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-stat-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
  transition: var(--transition);
}
.about-stat-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.about-stat-num { font-size: 2rem; font-weight: 900; }
.about-stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

@media (max-width: 1024px) {
  .about-wrapper { grid-template-columns: 1fr; gap: 48px; }
}

/* ========== PORTFOLIO ========== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.portfolio-card {
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  transition: var(--transition);
}
.portfolio-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(90, 166, 198, 0.15);
}

.portfolio-img {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, rgba(90, 166, 198, 0.08), rgba(110, 189, 156, 0.08));
  overflow: hidden;
}
.portfolio-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--color-1);
  opacity: 0.5;
}
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 13, 26, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.visit-btn {
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--gradient);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(10px);
  transition: var(--transition);
}
.portfolio-card:hover .visit-btn { transform: translateY(0); }

.portfolio-info { padding: 24px; }
.portfolio-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag {
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(90, 166, 198, 0.12);
  border: 1px solid rgba(90, 166, 198, 0.2);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.portfolio-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.portfolio-info p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 16px; }
.portfolio-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-1);
  transition: var(--transition);
}
.portfolio-link i { transition: var(--transition); }
.portfolio-card:hover .portfolio-link { color: var(--color-3); }
.portfolio-card:hover .portfolio-link i { transform: translateX(4px); }

/* ========== TESTIMONIALS ========== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.testimonial-stars { color: #f5a623; font-size: 0.85rem; display: flex; gap: 3px; }

.testimonial-text {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-1), var(--color-3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}
.author-role {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ========== CONTACT ========== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.95rem;
}
.contact-items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}
.contact-item:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(90,166,198,0.15), rgba(110,189,156,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-1);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-label { display: block; font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.contact-value { display: block; font-size: 0.95rem; font-weight: 600; }

.contact-social { display: flex; gap: 12px; }
.social-btn {
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.social-btn:hover {
  border-color: var(--color-1);
  color: var(--color-1);
  background: rgba(90, 166, 198, 0.1);
  transform: translateY(-2px);
}

.contact-form {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.form-group input, .form-group textarea {
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.93rem;
  transition: var(--transition);
  resize: none;
  outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-1);
  background: rgba(90, 166, 198, 0.05);
  box-shadow: 0 0 0 3px rgba(90, 166, 198, 0.1);
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(110, 189, 156, 0.1);
  border: 1px solid rgba(110, 189, 156, 0.3);
  color: var(--color-3);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 16px;
}
.form-success.show { display: flex; }

.form-error {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(220, 80, 80, 0.1);
  border: 1px solid rgba(220, 80, 80, 0.3);
  color: #e07070;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 16px;
}
.form-error.show { display: flex; }

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
  background: rgba(0,0,0,0.3);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer-logo { height: 100px; width: auto; mix-blend-mode: screen; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; font-style: italic; }
.footer-links h4, .footer-contact h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-1); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; }
.footer-contact a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
  margin-bottom: 8px;
}
.footer-contact a:hover { color: var(--color-1); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: 70%;
    max-width: 280px;
    flex-direction: column;
    background: rgba(7, 13, 26, 0.97);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    padding: 100px 32px 32px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 8px;
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; padding: 12px 16px; }

  .form-row { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero-stats { gap: 16px; }
  .stat-divider { display: none; }
}

@media (max-width: 480px) {
  .section { padding: 60px 0; }
  .footer-top { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}

/* ========== THEME TOGGLE BUTTON ========== */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
  margin-right: 8px;
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--color-1);
  color: var(--color-1);
  background: rgba(90, 166, 198, 0.1);
  transform: rotate(20deg);
}

/* ========== LIGHT MODE ========== */
body {
  transition: background-color 0.35s ease, color 0.35s ease;
}

body.light {
  --bg-dark: #e8eff6;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border: rgba(90, 166, 198, 0.22);
  --border-hover: rgba(90, 166, 198, 0.6);
  --text-primary: #0d1b2a;
  --text-secondary: #3d5166;
  --text-muted: #7a90a0;
  --shadow: 0 4px 24px rgba(13, 27, 42, 0.08);
  --shadow-hover: 0 8px 40px rgba(90, 166, 198, 0.22);
  --gradient-text: linear-gradient(135deg, #1e6e96, #2a8e62);
  background: #e8eff6;
  color: #0d1b2a;
}

body.light .hero-slogan {
  filter: drop-shadow(0 2px 8px rgba(30, 110, 150, 0.18));
}

body.light .hero-desc {
  opacity: 1;
}


/* Cards: real white with shadows for depth */
body.light .service-card,
body.light .testimonial-card,
body.light .about-stat-card,
body.light .contact-item,
body.light .contact-form,
body.light .portfolio-card {
  background: #ffffff;
  box-shadow: 0 2px 16px rgba(13, 27, 42, 0.07);
}
body.light .service-card:hover,
body.light .testimonial-card:hover,
body.light .about-stat-card:hover,
body.light .contact-item:hover,
body.light .portfolio-card:hover {
  box-shadow: 0 8px 40px rgba(90, 166, 198, 0.2);
}

/* Navbar */
body.light .navbar.scrolled {
  background: rgba(232, 239, 246, 0.94);
  border-bottom-color: rgba(90, 166, 198, 0.2);
}

/* Hamburger lines */
body.light .hamburger span { background: #0d1b2a; }

/* Mobile nav panel */
@media (max-width: 768px) {
  body.light .nav-links {
    background: rgba(232, 239, 246, 0.98);
    border-left-color: rgba(90, 166, 198, 0.2);
  }
}

/* Logo — no screen blend on light bg */
body.light .logo-img { mix-blend-mode: normal; }
body.light .footer-logo { mix-blend-mode: normal; }

/* Orbs — a bit more vivid to add warmth */
body.light .orb-1 { background: rgba(90, 166, 198, 0.22); }
body.light .orb-2 { background: rgba(110, 189, 156, 0.18); }
body.light .orb-3 { background: rgba(104, 178, 175, 0.15); }

/* Section stripe */
body.light .section-dark { background: rgba(90, 166, 198, 0.05); }

/* Portfolio overlay */
body.light .portfolio-overlay { background: rgba(232, 239, 246, 0.82); }

/* Form inputs */
body.light .form-group input,
body.light .form-group textarea {
  background: #f5f9fc;
  color: #0d1b2a;
  border-color: rgba(90, 166, 198, 0.25);
}
body.light .form-group input::placeholder,
body.light .form-group textarea::placeholder { color: #7a90a0; }
body.light .form-group input:focus,
body.light .form-group textarea:focus {
  background: #ffffff;
}

/* Social buttons */
body.light .social-btn { background: #ffffff; }

/* Footer */
body.light .footer {
  background: rgba(13, 27, 42, 0.06);
  border-top-color: rgba(90, 166, 198, 0.2);
}
body.light .footer-bottom { border-top-color: rgba(90, 166, 198, 0.15); }