/* ============================================
   APROS.io — Website Styles
   ============================================ */

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

:root {
  /* Brand Colors */
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  --cyan-300: #67e8f9;
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --cyan-600: #0891b2;

  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-500: #22c55e;
  --green-600: #16a34a;

  --purple-50: #faf5ff;
  --purple-100: #f3e8ff;
  --purple-500: #a855f7;
  --purple-600: #9333ea;

  --yellow-50: #fefce8;
  --yellow-100: #fef9c3;
  --yellow-500: #eab308;
  --yellow-600: #ca8a04;

  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-500: #ef4444;
  --red-600: #dc2626;

  --orange-50: #fff7ed;
  --orange-100: #ffedd5;

  --amber-500: #f59e0b;
  --amber-600: #d97706;

  --white: #ffffff;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --section-pad: 5rem;
  --container-max: 1200px;

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--slate-700);
  line-height: 1.7;
  background: var(--slate-50);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.logo-mark {
  background: var(--blue-600);
  color: var(--white);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate-600);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--blue-600);
}

.nav-cta {
  background: var(--blue-600) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.3rem !important;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--blue-700) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.8rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-lg {
  padding: 1rem 2.4rem;
  font-size: 1.1rem;
}

.btn-hero-primary {
  background: var(--cyan-400);
  color: var(--slate-900);
  padding: 0.75rem 2rem;
  font-weight: 700;
}

.btn-hero-primary:hover {
  background: var(--cyan-300);
  transform: translateY(-2px);
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.75rem 2rem;
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-500) 50%, var(--cyan-500) 100%);
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(103, 232, 249, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan-300);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-accent {
  color: var(--cyan-300);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(191, 219, 254, 0.9);
  max-width: 820px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 3rem auto 0;
}

.metric-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
}

.metric-value {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--cyan-300);
  font-family: 'Courier New', monospace;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(191, 219, 254, 0.9);
}

.metrics-sub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 600px;
  margin: 1.5rem auto 0;
}

.metric-card-sm {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 1rem 1.5rem;
  text-align: center;
}

.metric-value-sm {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan-300);
  margin-bottom: 0.15rem;
}

.metric-label-sm {
  font-size: 0.8rem;
  color: rgba(191, 219, 254, 0.8);
}

/* --- Sections --- */
.section {
  padding: var(--section-pad) 0;
}

.section-alt {
  background: var(--slate-50);
}

.section-research {
  background: var(--blue-50);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--slate-500);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.75;
}

/* --- Mission Box --- */
.mission-box {
  background: linear-gradient(135deg, var(--blue-50) 0%, rgba(6, 182, 212, 0.06) 100%);
  border-radius: 20px;
  padding: 3rem;
}

.mission-box-header {
  text-align: center;
  margin-bottom: 3rem;
}

.mission-box-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 1rem;
}

.mission-box-text {
  font-size: 1.05rem;
  color: var(--slate-600);
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.75;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.pillar {
  text-align: center;
}

.pillar-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.pillar-icon-blue { background: var(--blue-100); color: var(--blue-600); }
.pillar-icon-cyan { background: rgba(6, 182, 212, 0.15); color: var(--cyan-600); }
.pillar-icon-green { background: var(--green-100); color: var(--green-600); }
.pillar-icon-purple { background: var(--purple-100); color: var(--purple-600); }

.pillar h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.4rem;
}

.pillar p {
  font-size: 0.9rem;
  color: var(--slate-500);
}

/* --- Industry Cards --- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.industry-card {
  background: linear-gradient(145deg, var(--white) 0%, var(--slate-50) 100%);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.industry-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.industry-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.industry-icon-green { background: var(--green-100); color: var(--green-600); }
.industry-icon-blue { background: var(--blue-100); color: var(--blue-600); }
.industry-icon-purple { background: var(--purple-100); color: var(--purple-600); }
.industry-icon-yellow { background: var(--yellow-100); color: var(--yellow-600); }
.industry-icon-red { background: var(--red-100); color: var(--red-600); }
.industry-icon-gray { background: var(--slate-100); color: var(--slate-600); }

.industry-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
}

.industry-card p {
  font-size: 0.95rem;
  color: var(--slate-500);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.industry-list {
  list-style: none;
  padding: 0;
}

.industry-list li {
  font-size: 0.85rem;
  color: var(--slate-400);
  padding: 0.2rem 0;
}

.industry-list li::before {
  content: "\2022";
  margin-right: 0.5rem;
}

/* --- Wellness Icons Grid --- */
.wellness-icons-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.wellness-icon-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 16px;
}

.wellness-icon-blue { background: linear-gradient(135deg, var(--blue-50), var(--blue-100)); }
.wellness-icon-purple { background: linear-gradient(135deg, var(--purple-50), var(--purple-100)); }
.wellness-icon-yellow { background: linear-gradient(135deg, var(--yellow-50), var(--yellow-100)); }
.wellness-icon-green { background: linear-gradient(135deg, var(--green-50), var(--green-100)); }
.wellness-icon-red { background: linear-gradient(135deg, var(--red-50), var(--red-100)); }
.wellness-icon-orange { background: linear-gradient(135deg, var(--orange-50), var(--orange-100)); }

.wellness-emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.wellness-icon-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--slate-900);
}

/* --- Tabs --- */
.tabs-container {
  background: var(--slate-50);
  border-radius: 20px;
  padding: 2.5rem;
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  background: var(--white);
  color: var(--slate-600);
}

.tab-btn:hover {
  color: var(--blue-600);
}

.tab-btn.active {
  background: var(--blue-600);
  color: var(--white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--slate-900);
  text-align: center;
  margin-bottom: 0.75rem;
}

.tab-intro {
  font-size: 1.05rem;
  color: var(--slate-600);
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.check-mark {
  color: var(--green-600);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.check-item span:last-child {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate-800);
}

.testimonial {
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  background: var(--white);
  border-radius: 14px;
  border-left: 4px solid var(--blue-600);
}

.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.7;
}

.testimonial-author {
  font-size: 0.85rem;
  color: var(--slate-400);
  margin-top: 0.5rem;
}

/* --- Research Card --- */
.research-card {
  background: var(--white);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.research-card-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.research-card-header h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
}

.research-card-header p {
  font-size: 1.05rem;
  color: var(--slate-600);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.75;
}

.research-section-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--slate-900);
  text-align: center;
  margin-bottom: 2rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.benefit-item h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.25rem;
}

.benefit-item p {
  font-size: 0.85rem;
  color: var(--slate-500);
  line-height: 1.6;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.use-case {
  padding: 1.5rem;
  border-radius: 14px;
}

.use-case-blue { background: linear-gradient(135deg, var(--blue-50), var(--blue-100)); }
.use-case-purple { background: linear-gradient(135deg, var(--purple-50), var(--purple-100)); }
.use-case-green { background: linear-gradient(135deg, var(--green-50), var(--green-100)); }
.use-case-orange { background: linear-gradient(135deg, var(--orange-50), var(--orange-100)); }

.use-case h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}

.use-case p {
  font-size: 0.9rem;
  color: var(--slate-600);
  line-height: 1.6;
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-card-blue { background: linear-gradient(135deg, var(--blue-50), var(--blue-100)); }
.feature-card-purple { background: linear-gradient(135deg, var(--purple-50), var(--purple-100)); }
.feature-card-green { background: linear-gradient(135deg, var(--green-50), var(--green-100)); }
.feature-card-amber { background: linear-gradient(135deg, var(--yellow-50), var(--yellow-100)); }

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.feature-icon-blue { background: var(--blue-600); color: var(--white); }
.feature-icon-purple { background: var(--purple-600); color: var(--white); }
.feature-icon-green { background: var(--green-600); color: var(--white); }
.feature-icon-amber { background: var(--amber-600); color: var(--white); }

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--slate-500);
  line-height: 1.65;
}

/* --- Contributor Section --- */
.section-contributor {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--cyan-600) 100%);
  padding: var(--section-pad) 0;
}

.contributor-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contributor-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
}

.contributor-subtitle {
  font-size: 1.1rem;
  color: rgba(191, 219, 254, 0.9);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.how-it-works {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.how-it-works h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 auto 0.75rem;
}

.step h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.85rem;
  color: rgba(191, 219, 254, 0.85);
}

.contributor-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-contributor-primary {
  background: var(--white);
  color: var(--blue-600);
  padding: 0.75rem 2rem;
  font-weight: 700;
}

.btn-contributor-primary:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
}

.btn-contributor-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.75rem 2rem;
}

.btn-contributor-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Contact Section --- */
.contact-card {
  background: var(--white);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 0.75rem;
}

.contact-card > p {
  font-size: 1.05rem;
  color: var(--slate-600);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.contact-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--slate-600);
}

.contact-feature svg {
  color: var(--green-600);
}

/* --- Footer --- */
.footer {
  background: var(--slate-900);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.footer .logo-mark {
  background: var(--blue-600);
}

.footer .logo-text {
  color: var(--slate-300);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--slate-400);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  font-size: 0.9rem;
  color: var(--slate-400);
  padding: 0.25rem 0;
}

.footer-col a {
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  margin-top: 3rem;
  padding: 1.5rem 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--slate-500);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .industry-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 3.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero {
    padding: 7rem 0 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 320px;
  }

  .metrics-sub-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 320px;
  }

  .mission-box {
    padding: 2rem 1.5rem;
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .wellness-icons-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tabs-container {
    padding: 1.5rem;
  }

  .tabs-nav {
    gap: 0.5rem;
  }

  .tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }

  .check-grid {
    grid-template-columns: 1fr;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .research-card {
    padding: 2rem 1.5rem;
  }

  .contact-card {
    padding: 2rem 1.5rem;
  }

  .contact-features {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .wellness-icons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }
}