@charset "UTF-8";
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple-900: #2D1B69;
  --purple-800: #3A2281;
  --purple-700: #4A2D9A;
  --purple-600: #5B37B7;
  --purple-500: #6C3FC5;
  --purple-400: #8B6CD6;
  --purple-300: #A78FE2;
  --purple-200: #C9B8F0;
  --purple-100: #E8E0F7;
  --purple-50: #F5F0FF;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A6A;
  --text-muted: #7A7A9A;
  --white: #FFFFFF;
  --off-white: #FAFAFE;
  --red-500: #E74C3C;
  --green-500: #27AE60;
  --amber-500: #F39C12;
  --teal-500: #00B4D8;
  --teal-600: #0096B7;
  --border: #E5E5EE;
  --shadow-sm: 0 1px 3px rgba(44,27,105,0.06);
  --shadow-md: 0 4px 16px rgba(44,27,105,0.08);
  --shadow-lg: 0 8px 32px rgba(44,27,105,0.12);
  --shadow-xl: 0 16px 48px rgba(44,27,105,0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Outfit', sans-serif; line-height: 1.2; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ──────────── HEADER ──────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: white;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(108,63,197,0.08);
  transition: box-shadow 0.3s ease;
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-area img { flex-shrink: 0; width: 38px; height: auto; }
.logo-text {
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.35rem;
  color: var(--purple-700); letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}
.nav-link:hover { color: var(--purple-600); background: var(--purple-50); }
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 8px;
  min-width: 280px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all 0.2s ease; z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--radius-sm);
  transition: background 0.15s ease; font-size: 0.88rem;
}
.dropdown-item:hover { background: var(--purple-50); }
.dropdown-item-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--purple-50); flex-shrink: 0;
}
.dropdown-item-icon svg { width: 18px; height: 18px; color: var(--purple-600); }
.dropdown-item-text strong { display: block; font-weight: 600; color: var(--text-primary); font-size: 0.88rem; }
.dropdown-item-text span { font-size: 0.78rem; color: var(--text-muted); }
.nav-caret {
  display: inline-block; width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 4px solid currentColor; margin-left: 4px; vertical-align: middle;
  opacity: 0.6;
}
.header-right { display: flex; align-items: center; gap: 8px; }
.btn-text {
  font-size: 0.88rem; font-weight: 500; color: var(--text-secondary);
  padding: 8px 16px; border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}
.btn-text:hover { color: var(--purple-600); background: var(--purple-50); }
.btn-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem; font-weight: 600; color: var(--white);
  background: var(--purple-600); padding: 9px 22px;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.2s ease; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { background: var(--purple-700); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle svg { width: 24px; height: 24px; color: var(--text-primary); }

/* ──────────── HERO ──────────── */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(170deg, var(--purple-900) 0%, var(--purple-700) 40%, var(--purple-500) 100%);
  position: relative; overflow: hidden; color: var(--white);
}
.hero::before {
  content: ''; position: absolute; top: -300px; right: -200px;
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -200px; left: -100px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,0.08) 0%, transparent 70%);
  pointer-events: none;
}
/* Grid pattern overlay */
.hero-grid-pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
/* Floating nodes decoration */
.hero-nodes {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-node {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  animation: floatNode 20s ease-in-out infinite;
}
.hero-node:nth-child(1) { width: 120px; height: 120px; top: 15%; right: 8%; animation-delay: 0s; }
.hero-node:nth-child(2) { width: 80px; height: 80px; top: 60%; right: 20%; animation-delay: -5s; }
.hero-node:nth-child(3) { width: 60px; height: 60px; top: 30%; right: 30%; animation-delay: -10s; }
.hero-node:nth-child(4) { width: 40px; height: 40px; top: 70%; right: 40%; animation-delay: -15s; }
.hero-node-line {
  position: absolute; background: rgba(255,255,255,0.04); transform-origin: left center;
}
@keyframes floatNode {
  0%, 100% { transform: translateY(0) scale(1); }
  33% { transform: translateY(-15px) scale(1.03); }
  66% { transform: translateY(10px) scale(0.97); }
}

.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 16px 6px 10px; border-radius: 100px;
  font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}
.hero-badge svg { width: 16px; height: 16px; opacity: 0.8; }

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800; letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-title .highlight {
  background: linear-gradient(135deg, #00B4D8, #34D399);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem; color: rgba(255,255,255,0.75);
  max-width: 520px; line-height: 1.7;
  margin-bottom: 36px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-ctas {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.3s both;
}
.btn-hero-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem; font-weight: 600; color: var(--purple-800);
  background: var(--white); padding: 14px 32px;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }
.btn-hero-primary svg { width: 18px; height: 18px; }
.btn-hero-secondary {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem; font-weight: 600; color: var(--white);
  background: transparent; padding: 14px 32px;
  border-radius: var(--radius-sm); border: 2px solid rgba(255,255,255,0.3);
  cursor: pointer; transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-hero-secondary:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.06); }

.hero-proof {
  display: flex; flex-wrap: wrap; gap: 20px;
  animation: fadeInUp 0.6s ease 0.4s both;
}
.hero-proof-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: rgba(255,255,255,0.7); font-weight: 500;
}
.hero-proof-item svg { width: 16px; height: 16px; color: #34D399; flex-shrink: 0; }

/* Hero visual - MBSE diagram illustration */
.hero-visual {
  animation: fadeInUp 0.8s ease 0.3s both;
  position: relative;
}
.hero-diagram {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 32px;
  backdrop-filter: blur(10px);
}
.diagram-header {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.diagram-dot { width: 8px; height: 8px; border-radius: 50%; }
.diagram-dot.red { background: #FF5F57; }
.diagram-dot.yellow { background: #FFBD2E; }
.diagram-dot.green { background: #28CA42; }
.diagram-title-bar {
  flex: 1; text-align: center; font-size: 0.75rem;
  color: rgba(255,255,255,0.4); font-weight: 500; letter-spacing: 0.04em;
}
.diagram-body { display: flex; flex-direction: column; gap: 16px; }
.diagram-node {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md); padding: 14px 16px;
  transition: all 0.3s ease;
}
.diagram-node:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.15); }
.diagram-node-icon {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.diagram-node-icon svg { width: 18px; height: 18px; }
.diagram-node-text { flex: 1; }
.diagram-node-text strong { display: block; font-size: 0.82rem; font-weight: 600; color: var(--white); }
.diagram-node-text span { font-size: 0.72rem; color: rgba(255,255,255,0.5); }
.diagram-node-status {
  width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
}
.diagram-connector {
  width: 2px; height: 12px; background: rgba(255,255,255,0.1);
  margin-left: 30px; border-radius: 1px;
}
.diagram-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ──────────── SECTION COMMON ──────────── */
.section-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--purple-500);
  margin-bottom: 14px;
}
.section-header { text-align: center; margin-bottom: 60px; }
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.section-title em { font-style: italic; color: var(--purple-600); }
.section-subtitle {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 620px; margin: 0 auto;
  line-height: 1.7;
}

/* ──────────── WHAT IS DARWIN ──────────── */
.what-section {
  padding: 100px 0;
  background: var(--white);
}
.what-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px;
  margin-top: 56px;
}
.what-card {
  background: var(--off-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 26px;
  transition: all 0.3s ease; position: relative;
}
.what-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--purple-200); }
.what-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--purple-50); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.what-icon svg { width: 26px; height: 26px; color: var(--purple-600); }
.what-card h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary);
}
.what-card p {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.65;
}

/* ──────────── FEATURES SHOWCASE ──────────── */
.showcase-section {
  padding: 100px 0;
  background: var(--purple-50);
}
.showcase-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; margin-bottom: 80px;
}
.showcase-item:last-child { margin-bottom: 0; }
.showcase-item.reverse { direction: rtl; }
.showcase-item.reverse > * { direction: ltr; }
.showcase-content { }
.showcase-number {
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--purple-400);
  margin-bottom: 12px;
}
.showcase-content h3 {
  font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 14px; color: var(--text-primary);
}
.showcase-content p {
  font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 20px;
}
.showcase-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.showcase-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--purple-200);
  padding: 6px 14px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 500; color: var(--purple-700);
}
.showcase-tag svg { width: 14px; height: 14px; }
.showcase-visual {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 28px;
  box-shadow: var(--shadow-md);
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
}
.showcase-visual svg { width: 100%; height: auto; max-height: 280px; }

/* ──────────── CAPABILITIES GRID ──────────── */
.capabilities-section {
  padding: 100px 0;
  background: var(--white);
}
.capabilities-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.capability-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 22px;
  transition: all 0.3s ease; position: relative; overflow: hidden;
}
.capability-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--purple-500), var(--purple-300));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.capability-card:hover::before { transform: scaleX(1); }
.capability-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--purple-100); }
.capability-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--purple-50); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.capability-icon svg { width: 22px; height: 22px; color: var(--purple-600); }
.capability-card h4 {
  font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 600;
  margin-bottom: 8px; color: var(--text-primary);
}
.capability-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

/* ──────────── TRACECLOUD INTEGRATION ──────────── */
.integration-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--purple-800) 0%, var(--purple-600) 50%, var(--purple-500) 100%);
  color: var(--white); position: relative; overflow: hidden;
}
.integration-section::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.integration-section .container { position: relative; z-index: 1; }
.integration-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  margin-top: 48px;
}
.integration-content h3 {
  font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.integration-content p {
  font-size: 0.95rem; opacity: 0.8; line-height: 1.7; margin-bottom: 24px;
}
.integration-list {
  display: flex; flex-direction: column; gap: 14px;
}
.integration-item {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.9rem; color: rgba(255,255,255,0.85);
}
.integration-item svg { width: 20px; height: 20px; color: #34D399; flex-shrink: 0; margin-top: 2px; }

.integration-visual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.int-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 24px 20px;
  text-align: center;
  transition: all 0.3s ease;
}
.int-card:hover { background: rgba(255,255,255,0.13); transform: translateY(-3px); }
.int-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.int-card-icon svg { width: 24px; height: 24px; color: rgba(255,255,255,0.85); }
.int-card h4 { font-size: 0.92rem; font-weight: 600; margin-bottom: 4px; }
.int-card p { font-size: 0.78rem; color: rgba(255,255,255,0.55); }

/* ──────────── SYSML BANNER ──────────── */
.sysml-section {
  padding: 80px 0;
  background: var(--off-white);
}
.sysml-card {
  max-width: 900px; margin: 0 auto;
  background: var(--white);
  border: 2px solid var(--purple-200);
  border-radius: var(--radius-xl); padding: 48px;
  display: grid; grid-template-columns: auto 1fr; gap: 36px;
  align-items: center;
}
.sysml-badge {
  width: 88px; height: 88px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--purple-600), var(--purple-400));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sysml-badge svg { width: 44px; height: 44px; color: var(--white); }
.sysml-text h3 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 10px;
}
.sysml-text p {
  font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7;
}
.sysml-text p strong { color: var(--text-primary); }

/* ──────────── CTA SECTION ──────────── */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--white) 0%, var(--purple-50) 100%);
}
.cta-inner {
  max-width: 620px; margin: 0 auto; text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px;
}
.cta-inner p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 32px; }
.cta-btns {
  display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn-cta-primary {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem; font-weight: 600; color: var(--white);
  background: var(--purple-600); padding: 14px 32px;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-cta-primary:hover { background: var(--purple-700); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-cta-secondary {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem; font-weight: 600; color: var(--purple-700);
  background: var(--white); padding: 14px 32px;
  border-radius: var(--radius-sm); border: 2px solid var(--purple-200);
  cursor: pointer; transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-cta-secondary:hover { border-color: var(--purple-400); background: var(--purple-50); }
.cta-note { font-size: 0.85rem; color: var(--text-muted); }

/* ──────────── DEMO FORM ──────────── */
.demo-section {
  padding: 100px 0;
  background: var(--white);
}
.demo-inner {
  max-width: 620px; margin: 0 auto; text-align: center;
}
.demo-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px;
}
.demo-inner p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 32px; }
.demo-form {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--shadow-lg); text-align: left;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block; font-size: 0.82rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 6px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem; color: var(--text-primary);
  transition: border-color 0.2s ease; background: var(--white);
}
.form-row textarea { resize: vertical; min-height: 80px; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--purple-400);
  box-shadow: 0 0 0 3px rgba(108,63,197,0.1);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--text-muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%; padding: 14px; margin-top: 8px;
  font-family: 'DM Sans', sans-serif; font-size: 1rem; font-weight: 600;
  color: var(--white); background: var(--purple-600);
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  transition: all 0.25s ease;
}
.form-submit:hover { background: var(--purple-700); }

/* ──────────── FOOTER ──────────── */
.footer {
  padding: 48px 0 32px;
  background: var(--purple-900); color: rgba(255,255,255,0.7);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo { display: flex; align-items: center; gap: 8px; }
.footer-logo-text {
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; width: 100%; text-align: center; margin-top: 24px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }

/* ──────────── MODAL ──────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(26,26,46,0.55); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; transition: opacity 0.3s ease;
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal-overlay.fade-in { opacity: 1; }
.modal-content {
  background: var(--white); border-radius: var(--radius-xl);
  padding: 44px 40px; max-width: 580px; width: 100%;
  box-shadow: 0 24px 64px rgba(44,27,105,0.25);
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}
.modal-overlay.fade-in .modal-content { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--off-white); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.2s ease;
}
.modal-close:hover { background: var(--purple-50); border-color: var(--purple-200); }
.modal-close svg { width: 18px; height: 18px; color: var(--text-secondary); }
.modal-title {
  font-family: 'Outfit', sans-serif; font-size: 1.5rem; font-weight: 700;
  margin-bottom: 6px;
}
.modal-subtitle { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 28px; }

/* ──────────── RESPONSIVE ──────────── */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-item { grid-template-columns: 1fr; gap: 32px; }
  .showcase-item.reverse { direction: ltr; }
  .integration-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .header-inner { height: 60px; }
  .hero { padding: 110px 0 70px; }
  .what-grid { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .integration-visual { grid-template-columns: 1fr; }
  .sysml-card { grid-template-columns: 1fr; text-align: center; padding: 32px 24px; }
  .sysml-badge { margin: 0 auto; }
  .form-grid { grid-template-columns: 1fr; }
  .btn-text.hide-mobile { display: none; }
  .modal-content { padding: 32px 24px; }
  .hero-proof { flex-direction: column; }
}
@media (max-width: 540px) {
  .hero-ctas, .cta-btns { flex-direction: column; }
  .btn-hero-primary, .btn-hero-secondary, .btn-cta-primary, .btn-cta-secondary { width: 100%; justify-content: center; }
}
.btn-outline {
  background: var(--white); color: var(--purple-700);
  border: 2px solid var(--purple-200);
}
.btn-outline:hover { border-color: var(--purple-400); background: var(--purple-50); transform: translateY(-2px); }