cat > /home/claude/styles.css << 'CSSEOF'
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

.root1 {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #EFF6FF;
  --accent: #06B6D4;
  --accent2: #8B5CF6;
  --ai-color: #7C3AED;
  --ai-gradient: linear-gradient(135deg, #7C3AED 0%, #2563EB 50%, #06B6D4 100%);
  --success: #10B981;

  --bg-color: #FFFFFF;
  --text-color: #0F172A;
  --text-light: #64748B;
  --section-bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --header-bg: rgba(255,255,255,0.92);
  --header-text: #0F172A;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.07), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.05);
}

:root {
  --primary: #60A5FA;
  --primary-dark: #3B82F6;
  --primary-light: #1E3A5F;
  --accent: #22D3EE;
  --accent2: #A78BFA;
  --ai-color: #A78BFA;
  --success: #34D399;

  --bg-color: #0A0F1E;
  --text-color: #F1F5F9;
  --text-light: #94A3B8;
  --section-bg: #0F172A;
  --card-bg: #1E293B;
  --header-bg: rgba(10,15,30,0.92);
  --header-text: #F1F5F9;
  --border-color: #1E293B;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
}

/* Reset */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  font-size: 1.05rem;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Container */
.container { width: 90%; max-width: 1200px; margin: 0 auto; position: relative; }

/* Sections */
section { padding: 7rem 0; }
.section-alt { background-color: var(--section-bg); }

/* Headings */
h1,h2,h3,h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-color);
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.title-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.dark-mode .title-badge { background: rgba(96,165,250,0.15); }

.title-accent {
  position: relative;
  display: inline-block;
}
.title-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--ai-gradient);
  opacity: 0.3;
  border-radius: 3px;
  z-index: -1;
}

/* Navigation */
nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  padding: 1.2rem 0;
  z-index: 1000;
  background-color: var(--header-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}
nav.scrolled { box-shadow: var(--shadow-md); }

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

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--header-text);
  text-decoration: none;
  letter-spacing: -0.03em;
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: whitesmoke;
}

.nav-links { display: flex; gap: 0.25rem; align-items: center; }

.nav-links a {
  color: var(--header-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  opacity: 0.8;
}
.nav-links a:hover { opacity: 1; background: var(--primary-light); color: var(--primary); }
.dark-mode .nav-links a:hover { background: rgba(96,165,250,0.1); }

/* Theme Toggle */
.theme-toggle { margin-left: 0.5rem; cursor: pointer; }
.theme-toggle-btn {
  border: none;
  background: var(--section-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
}
.theme-toggle-btn:hover { background: var(--primary); color: white; border-color: var(--primary); }

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: var(--section-bg);
  border: 1px solid var(--border-color);
  color: var(--header-text);
  width: 40px; height: 40px;
  border-radius: 10px;
  font-size: 1.1rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 1100;
}

/* ===== HEADER ===== */
header {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: #06090F;
}

.header-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/header.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.4) saturate(0.8);
  z-index: 1;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.dark-mode .header-bg { background-image: url('images/header-dark.jpg'); }

.header-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.2) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(6,182,212,0.15) 0%, transparent 50%),
              linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.4) 100%);
  z-index: 2;
}

.header-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
  color: white;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s ease both;
}
.header-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

header h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: white;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.gradient-text {
  background: linear-gradient(135deg, #60A5FA, #22D3EE, #A78BFA);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 3rem;
  opacity: 0.8;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.4s both;
  font-weight: 300;
  line-height: 1.7;
}

.btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  font-family: 'DM Sans', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 8px 24px rgba(37,99,235,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37,99,235,0.45);
}

.btn-outline {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-ai {
  background: var(--ai-gradient);
  color: white;
  box-shadow: 0 8px 24px rgba(124,58,237,0.35);
}
.btn-ai:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124,58,237,0.5);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1s both;
}
.scroll-indicator .mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}
.scroll-indicator .mouse::before {
  content: '';
  width: 3px; height: 7px;
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
  animation: scroll-wheel 2s ease infinite;
}

/* Stats Bar */
.stats-bar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat-item {}
.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}
.about-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 480px;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.about-image-badge .badge-icon {
  width: 48px; height: 48px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.3rem;
}
.badge-text strong { display: block; font-family: 'Syne', sans-serif; font-size: 1.3rem; }
.badge-text span { font-size: 0.8rem; color: var(--text-light); }

.about-content { }
.about-content h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.about-content p { margin-bottom: 1.2rem; color: var(--text-light); line-height: 1.8; }
.about-features { display: flex; flex-direction: column; gap: 1rem; margin: 2rem 0 2.5rem; }
.about-feature {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.about-feature i { color: var(--success); font-size: 0.9rem; }

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--ai-gradient);
  border-radius: 0 0 4px 0;
  transition: height 0.4s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::before { height: 100%; }

.service-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
  background: var(--primary-light);
  color: var(--primary);
}
.dark-mode .service-icon-wrap { background: rgba(96,165,250,0.15); }

.service-card.ai-card .service-icon-wrap {
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(37,99,235,0.1));
  color: var(--ai-color);
}
.service-card.ai-card { border-color: rgba(124,58,237,0.2); }

.service-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}
.service-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; }

/* ===== AI SECTION ===== */
#ai-optimization {
  position: relative;
  overflow: hidden;
  background: var(--bg-color);
}

.ai-bg-decoration {
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.ai-bg-decoration-2 {
  position: absolute;
  bottom: -200px; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.ai-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  margin-bottom: 5rem;
}

.ai-visual {
  position: relative;
}

.ai-card-main {
  background: linear-gradient(135deg, #0F172A 0%, #1E1040 50%, #0D1B3E 100%);
  border-radius: 24px;
  padding: 3rem;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(124,58,237,0.25);
}
.dark-mode .ai-card-main {
  background: linear-gradient(135deg, #1E293B 0%, #2D1B5E 50%, #1E2E4E 100%);
}

.ai-card-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  border-radius: 24px;
}

.ai-card-content { position: relative; z-index: 2; }
.ai-card-icon {
  width: 64px; height: 64px;
  background: var(--ai-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(124,58,237,0.4);
}
.ai-card-main h3 { font-family: 'Syne', sans-serif; font-size: 1.5rem; color: white; margin-bottom: 1rem; }
.ai-card-main p { color: rgba(255,255,255,0.7); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }

.ai-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.ai-metric {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}
.ai-metric-val {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #60A5FA, #A78BFA);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ai-metric-label { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 0.2rem; }

.ai-floating-tag {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.8rem 1.2rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  animation: float 4s ease-in-out infinite;
}
.ai-floating-tag.tag-1 { top: -1rem; right: -1.5rem; animation-delay: 0s; }
.ai-floating-tag.tag-2 { bottom: 2rem; left: -2rem; animation-delay: 2s; }
.ai-floating-tag i { color: var(--success); }

.ai-content {}
.ai-content h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -0.02em; margin-bottom: 1rem; }
.ai-content > p { color: var(--text-light); line-height: 1.8; margin-bottom: 2.5rem; font-size: 1.05rem; }

.ai-benefits {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}
.ai-benefit {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.ai-benefit-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(37,99,235,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ai-color);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.ai-benefit-text h4 { font-size: 1rem; margin-bottom: 0.2rem; font-family: 'Syne', sans-serif; }
.ai-benefit-text p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* Use Cases */
.ai-use-cases {
  background: var(--section-bg);
  border-radius: 24px;
  padding: 3rem;
  margin-top: 5rem;
}
.ai-use-cases-title {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  font-family: 'Syne', sans-serif;
}
.ai-use-cases-sub {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
}
.use-case-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.8rem;
  transition: all 0.3s ease;
}
.use-case-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.use-case-emoji { font-size: 2rem; margin-bottom: 1rem; }
.use-case-item h4 { font-family: 'Syne', sans-serif; font-size: 1rem; margin-bottom: 0.5rem; }
.use-case-item p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ===== PROCESS ===== */
.process-steps { display: flex; flex-direction: column; gap: 1.5rem; max-width: 780px; margin: 0 auto; }

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--card-bg);
  border-radius: 20px;
  padding: 2rem 2.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}
.step:hover { transform: translateX(8px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.2); }

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  flex-shrink: 0;
  width: 50px;
  text-align: center;
}

.step-body h3 { font-family: 'Syne', sans-serif; font-size: 1.15rem; margin-bottom: 0.5rem; }
.step-body p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }

/* Certificate */
.certificate-container { text-align: center; max-width: 800px; margin: 0 auto; }
.certificate-img {
  max-width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}
.cert-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-size: 0.95rem;
}
.cert-label i { color: var(--success); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }

.contact-info h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.contact-info > p { color: var(--text-light); line-height: 1.8; margin-bottom: 2.5rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.dark-mode .contact-icon-wrap { background: rgba(96,165,250,0.15); }
.contact-item h4 { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0.2rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.contact-item a, .contact-item p { color: var(--text-color); text-decoration: none; font-weight: 500; font-size: 1rem; }
.contact-item a:hover { color: var(--primary); }

.contact-form {
  background: var(--card-bg);
  padding: 3rem;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

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

.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border-radius: 12px;
  border: 1.5px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  transition: all 0.2s ease;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.contact-form textarea { min-height: 130px; resize: vertical; }

/* ===== FOOTER ===== */
footer {
  background: var(--section-bg);
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: whitesmoke;
  margin-bottom: 1rem;
  display: block;
}
.footer-about p { color: var(--text-light); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }

.social-links { display: flex; gap: 0.75rem; }
.social-link {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.social-link:hover { background: var(--primary); color: white; border-color: var(--primary); transform: translateY(-2px); }

.footer-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  margin-bottom: 1.2rem;
  color: var(--text-color);
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col ul li a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.footer-col ul li a:hover { color: var(--primary); }

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}
.footer-contact i { color: var(--primary); font-size: 0.9rem; }

.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: 0.88rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
@keyframes scroll-wheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-content { grid-template-columns: 1fr 1fr; }
  .ai-hero { gap: 3rem; }
  .about-grid { gap: 3rem; }
  .contact-grid { gap: 3rem; }
}

/* ===== TABLET (768px) ===== */
@media (max-width: 768px) {
  section { padding: 4rem 0; }

  /* Mobile Menu Button */
  .mobile-menu-btn {
    display: flex !important;
    position: relative;
    z-index: 1100;
  }

  /* Fullscreen overlay nav */
  .nav-links {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999;
  }
  .nav-links.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }
  .nav-links a {
    font-size: 1.3rem;
    padding: 0.8rem 2.5rem;
    width: 100%;
    text-align: center;
  }
  .nav-links .theme-toggle { margin: 1rem 0 0; }

  /* Grids → single column */
  .about-grid,
  .contact-grid,
  .ai-hero { grid-template-columns: 1fr; gap: 2.5rem; }

  /* About image height */
  .about-image { height: 320px; }
  .about-image-badge {
    right: 0.5rem;
    bottom: -1rem;
    padding: 0.8rem 1rem;
  }
  .badge-text strong { font-size: 1rem; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 2rem; }

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

  /* Footer */
  .footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* AI floating tags – stay inside card */
  .ai-floating-tag.tag-1 { right: 0.5rem; top: -0.5rem; }
  .ai-floating-tag.tag-2 { left: 0.5rem; bottom: 0.5rem; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr 1fr; }

  /* Use cases */
  .use-cases-grid { grid-template-columns: 1fr 1fr; }
  .ai-use-cases { padding: 2rem; }

  /* Process */
  .step { padding: 1.5rem; gap: 1rem; }
  .step-num { font-size: 2rem; width: 40px; }

  /* Header content padding */
  .header-content { padding: 1.5rem 1rem; }
}

/* ===== MOBILE (480px) ===== */
@media (max-width: 480px) {
  section { padding: 3.5rem 0; }
  .container { width: 92%; }

  /* Typography */
  .section-title { font-size: clamp(1.6rem, 7vw, 2rem); }
  .section-subtitle { font-size: 1rem; margin-bottom: 2.5rem; }

  /* Header */
  .header-content { padding: 1rem; }
  header h1 { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .tagline { font-size: 1rem; margin-bottom: 2rem; }
  .header-badge { font-size: 0.78rem; padding: 0.4rem 1rem; }
  .btn-group {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .btn { width: 100%; justify-content: center; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-number { font-size: 1.8rem; }

  /* About */
  .about-image { height: 260px; }
  .about-image-badge { display: none; } /* avoid overflow on very small screens */

  /* Services */
  .service-card { padding: 1.8rem; }
  .services-grid { gap: 1rem; }

  /* AI section */
  .ai-card-main { padding: 2rem; }
  .ai-metrics { grid-template-columns: 1fr 1fr; }
  .ai-floating-tag { display: none; } /* avoid clutter on tiny screens */
  .use-cases-grid { grid-template-columns: 1fr; }
  .ai-use-cases { padding: 1.5rem; margin-top: 2.5rem; }

  /* Process */
  .step { flex-direction: row; padding: 1.2rem 1.2rem; }

  /* Contact */
  .contact-form { padding: 1.5rem; border-radius: 16px; }
  .contact-info h3 { font-size: 1.4rem; }

  /* Footer */
  .footer-content { grid-template-columns: 1fr; gap: 2rem; }
  footer { padding: 3.5rem 0 2rem; }

  /* Scroll indicator hidden on small screens */
  .scroll-indicator { display: none; }
}

/* Impressum */
.impressum-content p {
  margin-bottom: 1rem;
  color: var(--text-light);
  line-height: 1.8;
}