/* ============================================================
   ArogyaX — Global Stylesheet
   Design: Refined Healthcare SaaS — Deep Navy + Teal + White
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── CSS Variables ── */
:root {
  --navy:        #0B1F3A;
  --navy-dark:   #071628;
  --navy-mid:    #152E52;
  --teal:        #00B5A4;
  --teal-light:  #00D4C0;
  --teal-pale:   #E6FAF8;
  --blue-accent: #1A6EBD;
  --white:       #FFFFFF;
  --off-white:   #F7F9FC;
  --gray-100:    #EEF2F7;
  --gray-300:    #C8D3E1;
  --gray-500:    #7D90AA;
  --gray-700:    #3D5068;
  --text-dark:   #0D1F35;
  --text-mid:    #3D5068;
  --text-light:  #7D90AA;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(11,31,58,.06);
  --shadow-md:  0 8px 32px rgba(11,31,58,.10);
  --shadow-lg:  0 20px 60px rgba(11,31,58,.14);

  --transition: all .25s cubic-bezier(.4,0,.2,1);
  --nav-height: 72px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--navy);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; font-family: var(--font-body); font-weight: 600; }

p { color: var(--text-mid); line-height: 1.75; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}
.section--sm { padding: 64px 0; }
.section--dark {
  background: var(--navy);
  color: var(--white);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section--dark p { color: var(--gray-300); }
.section--teal-pale { background: var(--teal-pale); }
.section--gray { background: var(--off-white); }

/* ── Section Labels ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 64px;
}
.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-header p {
  margin-top: 16px;
  font-size: 1.1rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,181,164,.35);
}
.btn-primary:hover {
  background: var(--teal-light);
  box-shadow: 0 6px 28px rgba(0,181,164,.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--gray-300);
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.35);
}
.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.08);
}

.btn-ghost {
  background: transparent;
  color: var(--teal);
  padding-left: 0;
}
.btn-ghost:hover { gap: 12px; }

.btn-lg { padding: 17px 36px; font-size: 1rem; }

/* ── Navigation ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--navy);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--teal), var(--blue-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--navy);
  background: var(--gray-100);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: 16px 24px 24px;
  box-shadow: var(--shadow-md);
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-mid);
  border-bottom: 1px solid var(--gray-100);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile .btn { margin-top: 16px; width: 100%; justify-content: center; }

/* ── Footer ── */
.footer {
  background: var(--navy-dark);
  color: var(--gray-300);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand .nav-logo { color: var(--white); margin-bottom: 16px; }
.footer-brand p { font-size: .9rem; line-height: 1.75; color: var(--gray-500); max-width: 280px; }

.footer-col h5 {
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 20px;
  color: var(--white);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: .9rem;
  color: var(--gray-500);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .85rem;
  color: var(--gray-500);
}

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--teal);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--teal-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

/* ── Grid Utilities ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-mid) 100%);
  color: var(--white);
  padding: 140px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,181,164,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,110,189,.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,181,164,.15);
  border: 1px solid rgba(0,181,164,.3);
  color: var(--teal-light);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 28px;
}
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 em {
  font-style: normal;
  color: var(--teal-light);
}
.hero p {
  color: var(--gray-300);
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,.1);
  position: relative;
  z-index: 1;
}
.stat-item strong {
  display: block;
  font-size: 2rem;
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-item span { font-size: .85rem; color: var(--gray-500); }

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,181,164,.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; max-width: 640px; }
.page-hero h1 { color: var(--white); margin-bottom: 20px; }
.page-hero p { color: var(--gray-300); font-size: 1.1rem; }

/* ── Feature Grid ── */
.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card .card-icon { background: var(--teal-pale); }

/* ── How It Works ── */
.steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.steps-list::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: linear-gradient(to right, var(--teal), var(--blue-accent));
}
.step-item { text-align: center; padding: 0 16px; }
.step-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--teal), var(--blue-accent));
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(0,181,164,.4);
}
.step-item h4 { margin-bottom: 8px; color: var(--navy); }
.step-item p { font-size: .9rem; }

/* ── Solution Cards ── */
.solution-card {
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--gray-100);
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 32px;
  transition: var(--transition);
}
.solution-card:hover { box-shadow: var(--shadow-md); }
.solution-card.reverse { direction: rtl; }
.solution-card.reverse > * { direction: ltr; }

.solution-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-pale);
  color: var(--teal);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 40px;
  margin-bottom: 16px;
}
.solution-problem {
  background: var(--off-white);
  border-left: 3px solid var(--teal);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
}
.solution-problem p { font-size: .9rem; color: var(--text-mid); margin: 0; }
.solution-problem strong { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-500); margin-bottom: 4px; }

.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .95rem;
  color: var(--text-mid);
}
.check-list li::before {
  content: '✓';
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.solution-visual {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.solution-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(0,181,164,.2) 0%, transparent 60%);
}

/* ── Booth Page ── */
.booth-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.config-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
}
.config-card:hover { box-shadow: var(--shadow-md); border-color: var(--teal); }
.config-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.toggle-indicator {
  width: 44px; height: 24px;
  background: var(--teal);
  border-radius: 12px;
  position: relative;
  flex-shrink: 0;
}
.toggle-indicator::after {
  content: '';
  position: absolute;
  right: 4px; top: 4px;
  width: 16px; height: 16px;
  background: white;
  border-radius: 50%;
}
.toggle-indicator.off { background: var(--gray-300); }
.toggle-indicator.off::after { left: 4px; right: auto; }

/* ── Integrations ── */
.integration-tier {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
}
.integration-tier:hover { box-shadow: var(--shadow-md); }
.tier-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--teal-light);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.code-block {
  background: var(--navy-dark);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  color: #7dd3fc;
  line-height: 1.8;
  overflow-x: auto;
  margin-top: 20px;
}
.code-block .kw { color: #f0abfc; }
.code-block .str { color: #86efac; }
.code-block .cmt { color: #6b7280; }

/* ── Security ── */
.security-pillar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--gray-100);
  border-top: 4px solid var(--teal);
  transition: var(--transition);
}
.security-pillar:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.security-pillar .card-icon { background: var(--teal-pale); margin-bottom: 24px; }
.security-pillar h3 { font-size: 1.2rem; margin-bottom: 12px; }

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-detail {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  align-items: flex-start;
}
.contact-detail-icon {
  width: 44px; height: 44px;
  background: var(--teal-pale);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail-text strong { display: block; font-weight: 600; color: var(--navy); margin-bottom: 4px; }
.contact-detail-text span { font-size: .9rem; color: var(--text-light); }

.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: .95rem;
  color: var(--text-dark);
  background: var(--white);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,181,164,.12);
}
.form-group textarea { height: 120px; resize: vertical; }
.form-group .error-msg {
  font-size: .8rem;
  color: #e74c3c;
  margin-top: 6px;
  display: none;
}
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: #e74c3c;
}
.form-group.has-error .error-msg { display: block; }

.form-success {
  text-align: center;
  padding: 48px;
  display: none;
}
.form-success.visible { display: block; }
.form-success-icon {
  width: 72px; height: 72px;
  background: var(--teal-pale);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin: 0 auto 24px;
}

/* ── CTA Section ── */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,181,164,.15) 0%, transparent 70%);
}
.cta-section h2 { color: var(--white); position: relative; z-index: 1; }
.cta-section p { color: var(--gray-300); position: relative; z-index: 1; max-width: 480px; margin: 16px auto 40px; }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Who We Serve ── */
.serve-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.serve-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.serve-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.serve-card .icon { font-size: 2rem; margin-bottom: 12px; }
.serve-card h4 { font-size: .95rem; color: var(--navy); margin-bottom: 4px; }
.serve-card p { font-size: .8rem; margin: 0; }

/* ── Platform Overview ── */
.platform-diagram {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  border-radius: var(--radius-xl);
  padding: 60px;
  position: relative;
  overflow: hidden;
}
.platform-diagram::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,181,164,.2) 0%, transparent 70%);
}

.platform-layers {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.platform-layer {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.platform-layer-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--teal-light);
  width: 100px;
  flex-shrink: 0;
}
.platform-layer-items {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.platform-chip {
  background: rgba(255,255,255,.1);
  color: var(--white);
  font-size: .8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.12);
}

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Dividers ── */
.divider { height: 1px; background: var(--gray-100); }

/* ── Misc ── */
.text-teal { color: var(--teal); }
.text-white { color: var(--white); }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .serve-cards { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps-list { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps-list::before { display: none; }
  .solution-card { grid-template-columns: 1fr; }
  .solution-card.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .serve-cards { grid-template-columns: repeat(2, 1fr); }
  .booth-features-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-stats { flex-wrap: wrap; gap: 32px; }
  .nav-links, .nav-actions .btn-outline { display: none; }
  .nav-hamburger { display: flex; }
  .contact-form { padding: 32px 24px; }
  .platform-diagram { padding: 32px 24px; }
  .platform-layer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .serve-cards { grid-template-columns: 1fr 1fr; }
  .hero { padding: 100px 0 80px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}