/* Site 4 - Roundlet AB Styles */

:root {
  --primary: #374151;
  --secondary: #f97316;
  --accent: #fb923c;
  --accent-dark: #ea580c;
  --light: #ffffff;
  --gray: #6b7280;
  --gradient: linear-gradient(135deg, #f97316 0%, #fb923c 50%, #fdba74 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--light);
  color: var(--primary);
  line-height: 1.6;
}

/* Iframe Container */
.iframe-container {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 900;
  padding-top: 80px;
}

.iframe-container.active {
  display: block;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.iframe-close {
  position: fixed;
  top: 100px;
  right: 20px;
  z-index: 1001;
  background: var(--gradient);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}

.iframe-close:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

/* Hide main content when iframe is active */
body.iframe-active .main-content,
body.iframe-active .footer {
  display: none;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 247, 237, 0.98) 100%);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: padding 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  box-shadow: 0 2px 10px rgba(249, 115, 22, 0.1);
  border-bottom: 2px solid rgba(249, 115, 22, 0.15);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.logo-img {
  height: 200px;
  width: auto;
  transition: height 0.3s ease;
}

.navbar.scrolled {
  padding: 0.5rem 2rem;
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.15);
  border-bottom: 2px solid rgba(249, 115, 22, 0.25);
}

.navbar.scrolled .logo-img {
  height: 70px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: #1f2937;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  background: rgba(249, 115, 22, 0.08);
}

.nav-links a:hover {
  color: var(--accent-dark);
  background: rgba(249, 115, 22, 0.18);
}

/* Dropdown menu */
.has-dropdown {
  position: relative;
}

.has-dropdown > a::after {
  content: ' ▾';
  font-size: 0.8em;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 180px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.2);
  padding: 0.5rem 0;
  list-style: none;
  z-index: 1000;
  margin-top: 0.5rem;
}

.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown {
  display: block;
}

.dropdown li {
  width: 100%;
}

.dropdown a {
  display: block;
  padding: 0.75rem 1.25rem;
  background: transparent;
  border-radius: 0;
}

.dropdown a:hover {
  background: rgba(249, 115, 22, 0.1);
}

.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
}

.nav-cta:hover {
  opacity: 0.9;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: var(--gradient);
  opacity: 0.1;
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: #1f2937;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-text h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  padding: 1rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #374151;
  padding: 1rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid #d1d5db;
  transition: border-color 0.3s, background 0.3s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(249, 115, 22, 0.1);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Browser Mockup */
.browser-mockup {
  width: 100%;
  max-width: 450px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.browser-header {
  background: #f1f5f9;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid #e2e8f0;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.browser-url {
  flex: 1;
  background: #fff;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  color: #6b7280;
  border: 1px solid #e2e8f0;
}

.browser-content {
  padding: 1.5rem;
  background: #fafafa;
  min-height: 280px;
}

.mockup-header {
  height: 20px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 60%, transparent 60%);
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.mockup-hero {
  height: 80px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(251, 146, 60, 0.1));
  border-radius: 8px;
  margin-bottom: 1.5rem;
  position: relative;
}

.mockup-hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 50%;
  opacity: 0.6;
}

.mockup-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.mockup-card {
  height: 60px;
  background: #fff;
  border-radius: 6px;
  border: 1px solid #e5e7eb;
  position: relative;
  overflow: hidden;
}

.mockup-card::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
}

.mockup-card::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 8px;
  width: 60%;
  height: 6px;
  background: #f3f4f6;
  border-radius: 3px;
}

.code-float {
  position: absolute;
  bottom: -10px;
  right: -20px;
  background: #1e293b;
  color: #22c55e;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.cursor-float {
  position: absolute;
  top: 30%;
  right: -15px;
  font-size: 2rem;
  animation: bounce 1s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Services Section */
.services {
  padding: 6rem 2rem;
  background: #fff;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--gray);
  font-size: 1.1rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.service-card {
  background: var(--light);
  padding: 3rem;
  border-radius: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #e2e8f0;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
}

.service-card:hover .service-icon {
  animation: iconBounce 0.5s ease;
}

.service-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s;
}

@keyframes iconBounce {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.2) rotate(-5deg); }
  50% { transform: scale(1.1) rotate(5deg); }
  75% { transform: scale(1.15) rotate(-3deg); }
}

.service-card h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--gray);
  font-size: 1.05rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .service-card {
    padding: 2rem;
  }
  
  .service-card h3 {
    font-size: 1.4rem;
  }
}

/* Maintenance Section */
.maintenance {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #fef3e2 0%, #fff7ed 100%);
}

.maintenance-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.maintenance-text h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.maintenance-intro {
  font-size: 1.15rem;
  color: #4b5563;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.maintenance-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.maintenance-point {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform 0.3s;
}

.maintenance-point:hover {
  transform: translateX(5px);
}

.maintenance-point:hover .point-icon {
  animation: iconWiggle 0.5s ease;
}

.point-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.3s;
}

@keyframes iconWiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

.maintenance-point h4 {
  font-size: 1.1rem;
  color: #1f2937;
  margin-bottom: 0.3rem;
}

.maintenance-point p {
  color: #6b7280;
  font-size: 0.95rem;
  line-height: 1.6;
}

.maintenance-offer {
  position: sticky;
  top: 120px;
}

.offer-card {
  background: #fff;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(249, 115, 22, 0.15);
  border: 2px solid rgba(249, 115, 22, 0.2);
}

.offer-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.offer-intro {
  color: #6b7280;
  margin-bottom: 1.5rem;
}

.offer-list {
  list-style: none;
  margin-bottom: 2rem;
}

.offer-list li {
  padding: 0.6rem 0;
  color: #374151;
  font-size: 1rem;
  border-bottom: 1px solid #f3f4f6;
}

.offer-list li:last-child {
  border-bottom: none;
}

.offer-card .btn-primary {
  width: 100%;
  justify-content: center;
}

@media (max-width: 900px) {
  .maintenance-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .maintenance-offer {
    position: static;
  }
}

/* References Section */
.references {
  padding: 6rem 2rem;
  background: #fff;
}

.references-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.references-category h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.category-intro {
  color: #6b7280;
  margin-bottom: 1.5rem;
}

.references-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reference-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.reference-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.3);
}

.reference-card:hover .reference-icon {
  animation: iconPop 0.4s ease;
}

.reference-icon {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(249, 115, 22, 0.1);
  border-radius: 10px;
  flex-shrink: 0;
  transition: transform 0.3s;
}

@keyframes iconPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.reference-info {
  flex: 1;
}

.reference-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.reference-info p {
  font-size: 0.9rem;
  color: #6b7280;
  margin: 0;
}

.reference-arrow {
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: bold;
}

@media (max-width: 768px) {
  .references-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* About Section */
.about {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #fff7ed 100%);
  color: #1f2937;
}

.about-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: #6b7280;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

.about-text p:first-of-type {
  font-size: 1.25rem;
  color: #374151;
  font-weight: 500;
}

.about-signature {
  font-style: italic;
  color: var(--accent) !important;
  font-weight: 600 !important;
  margin-top: 2rem !important;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stat-box {
  background: rgba(255, 255, 255, 0.8);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.stat-box h3 {
  font-size: 2.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-box p {
  color: #6b7280;
  font-size: 0.9rem;
}

/* Contact Section */
.contact {
  padding: 6rem 2rem;
  background: #fff;
}

.contact-simple {
  display: flex;
  justify-content: center;
}

.contact-card {
  background: linear-gradient(135deg, #fff7ed 0%, #fef3e2 100%);
  padding: 3rem 4rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid #fed7aa;
  box-shadow: 0 10px 40px rgba(249, 115, 22, 0.1);
}

.contact-card:hover .contact-icon {
  animation: iconFloat 1s ease infinite;
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: inline-block;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.contact-card h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-email {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  background: var(--gradient);
  color: #fff;
  border-radius: 50px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.contact-email:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

/* Footer */
.footer {
  background: #f8fafc;
  color: #374151;
  padding: 4rem 2rem 2rem;
  border-top: 1px solid #e5e7eb;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  color: #6b7280;
  margin-top: 1rem;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #9ca3af;
  font-size: 0.9rem;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: #e5e7eb;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

.social-links a:hover {
  background: var(--accent);
  color: #fff;
}

/* Responsive */
@media (max-width: 968px) {
  .hero-content,
  .about-content,
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .browser-mockup {
    max-width: 350px;
  }

  .about-stats {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 247, 237, 0.98) 100%);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.15);
    border-bottom: 2px solid rgba(249, 115, 22, 0.2);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    text-align: center;
    padding: 1rem;
  }

  /* Dropdown on mobile */
  .dropdown {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background: rgba(249, 115, 22, 0.05);
    margin: 0.5rem 0 0 0;
    border-radius: 8px;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }

  .dropdown li {
    margin-left: 1.5rem;
  }

  .dropdown a {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    background: rgba(249, 115, 22, 0.15);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    margin: 0.25rem 0;
  }

  .dropdown a::before {
    content: '→ ';
    color: var(--accent-dark);
  }

  .navbar {
    padding: 1rem;
  }

  .logo-img {
    height: 100px;
  }

  .navbar.scrolled .logo-img {
    height: 50px;
  }

  .hero {
    padding-top: 140px;
    min-height: auto;
    padding-bottom: 3rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .browser-mockup {
    max-width: 280px;
  }

  .browser-content {
    min-height: 200px;
    padding: 1rem;
  }

  .mockup-hero {
    height: 50px;
  }

  .mockup-card {
    height: 40px;
  }

  .code-float {
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
    right: -10px;
    bottom: -5px;
  }

  .cursor-float {
    font-size: 1.5rem;
    right: -5px;
  }
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(249, 115, 22, 0.1);
  border: 2px solid rgba(249, 115, 22, 0.3);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--accent-dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

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

/* Portfolio Section */
.portfolio {
  padding: 6rem 2rem;
  background: var(--light);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio-item {
  position: relative;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #e2e8f0;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(107, 33, 168, 0.15);
}

.portfolio-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: linear-gradient(135deg, rgba(107, 33, 168, 0.1), rgba(20, 184, 166, 0.1));
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.95), transparent);
  padding: 2rem 1.5rem 1.5rem;
  color: #fff;
  transform: translateY(100%);
  transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-overlay h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.portfolio-overlay p {
  font-size: 0.9rem;
  color: #cbd5e1;
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  background: var(--gradient);
  color: #fff;
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.2s;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
  transform: translateY(-3px);
}

.scroll-to-top.visible:hover {
  transform: translateY(-3px);
}

/* Navbar force scrolled state (when iframe is active) */
.navbar.force-scrolled {
  padding: 0.5rem 0 !important;
  background: rgba(26, 26, 46, 0.98) !important;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3) !important;
}

.navbar.force-scrolled .nav-logo img {
  height: 40px !important;
}

@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}