/* ============================================================
   WULAR HEALTH — MAIN STYLESHEET
   Inspired by Philips Healthcare design language
   ============================================================ */

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

  --green-500: #22c55e;
  --green-400: #4ade80;

  --neutral-900: #0f172a;
  --neutral-800: #1e293b;
  --neutral-700: #334155;
  --neutral-500: #64748b;
  --neutral-400: #94a3b8;
  --neutral-200: #e2e8f0;
  --neutral-100: #f1f5f9;
  --neutral-50:  #f8fafc;

  --orange-500: #f97316;
  --orange-600: #ea580c;

  --white: #ffffff;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.1),  0 4px 12px rgba(0,0,0,.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.14), 0 8px 24px rgba(0,0,0,.08);

  --nav-height: 72px;
  --section-gap: 100px;
  --container-max: 1200px;

  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  font-family: var(--font);
  color: var(--neutral-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- TYPOGRAPHY SCALE ---- */
h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.375rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: 1rem; font-weight: 600; line-height: 1.4; }
p  { font-size: 1rem; line-height: 1.7; color: var(--neutral-600, #475569); }
small { font-size: 0.8rem; }

/* ---- CONTAINERS ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

/* ---- SHARED SECTION STYLES ---- */
.section {
  padding-block: var(--section-gap);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 0.75rem;
}

.section-eyebrow.light { color: var(--blue-300, #93c5fd); }

.section-title { color: var(--neutral-900); margin-bottom: 1rem; }
.section-title.light { color: var(--white); }
.section-title-sm { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; line-height: 1.3; color: var(--neutral-900); margin-bottom: 1rem; }

.section-subtitle { font-size: 1.0625rem; color: var(--neutral-500); max-width: 640px; }
.section-subtitle.light { color: rgba(255,255,255,0.75); }

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

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}
.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 6px 20px rgba(37,99,235,0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

/* ===================================================
   NAVIGATION
   =================================================== */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition);
}

.nav-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark { width: 40px; height: 40px; flex-shrink: 0; }
.logo-svg { width: 100%; height: 100%; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-wu  { font-size: 1.125rem; font-weight: 800; color: var(--neutral-900); letter-spacing: 0.05em; }
.logo-lar { font-size: 1.125rem; font-weight: 800; color: var(--blue-600); letter-spacing: 0.05em; }
.logo-wu, .logo-lar { display: inline; }
.logo-health { font-size: 0.625rem; font-weight: 600; letter-spacing: 0.15em; color: var(--neutral-500); text-transform: uppercase; margin-top: 1px; }

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

.nav-link {
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--neutral-700);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.nav-link:hover { background: var(--blue-50); color: var(--blue-600); }

.nav-link-cta {
  background: var(--blue-600);
  color: var(--white) !important;
  padding: 0.5rem 1.25rem;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.nav-link-cta:hover {
  background: var(--blue-700) !important;
  box-shadow: 0 4px 14px rgba(37,99,235,0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--neutral-700);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================
   HERO
   =================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 45%, #1a2f7a 100%);
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}

/* Decorative orbs */
.hero-bg::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.15) 0%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,222,128,0.1) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
  padding-block: clamp(5rem, 10vw, 8rem);
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-block;
  background: rgba(74,222,128,0.15);
  color: var(--green-400);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(74,222,128,0.25);
  margin-bottom: 1.5rem;
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--green-400), var(--blue-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
}

.hero-stat {
  padding-inline: 1.5rem;
}
.hero-stat:first-child { padding-left: 0; }

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

.stat-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: fadeInUp 1s 1s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===================================================
   ABOUT
   =================================================== */
.about-section { background: var(--white); }

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

.about-text .section-title { margin-bottom: 1.25rem; }

.about-desc {
  font-size: 1.0625rem;
  color: var(--neutral-600, #475569);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.about-mission {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--blue-50);
  border-left: 4px solid var(--blue-600);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2rem;
}

.mission-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  color: var(--blue-600);
  padding-top: 2px;
}
.mission-icon svg { width: 100%; height: 100%; }

.about-mission h3 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--blue-600); margin-bottom: 0.5rem; }
.about-mission p { font-size: 0.9375rem; color: var(--neutral-700); line-height: 1.6; }

.about-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.375rem 0.875rem;
  background: var(--neutral-100);
  color: var(--neutral-700);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--neutral-200);
  transition: all var(--transition);
}
.tech-tag:hover { background: var(--blue-50); color: var(--blue-700); border-color: var(--blue-200, #bfdbfe); }

/* About visual */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-card-stack {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 380px;
}

.about-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border: 1px solid var(--neutral-100);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }

.about-card-icon { width: 48px; height: 48px; margin-bottom: 0.5rem; }
.about-card-title { font-size: 0.9rem; font-weight: 600; color: var(--neutral-700); }
.about-card-val { font-size: 1.125rem; font-weight: 700; color: var(--neutral-900); }

.about-card-primary  { top: 0; left: 0; width: 200px; z-index: 3; }
.about-card-secondary{ top: 80px; right: 0; width: 190px; z-index: 2; }
.about-card-tertiary { bottom: 0; left: 30px; width: 195px; z-index: 1; }

/* ===================================================
   PROBLEM
   =================================================== */
.problem-section { background: var(--neutral-50); }

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

.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-100);
  transition: all var(--transition);
}
.problem-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.problem-icon {
  width: 52px;
  height: 52px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.problem-icon svg { width: 32px; height: 32px; }

.problem-card h3 { color: var(--neutral-900); margin-bottom: 1rem; font-size: 1.0625rem; }

.problem-list li {
  font-size: 0.9rem;
  color: var(--neutral-600, #475569);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--neutral-100);
  line-height: 1.6;
}
.problem-list li:last-child { border-bottom: none; }
.problem-list strong { color: var(--neutral-800); }

/* ===================================================
   SOLUTIONS
   =================================================== */
.solutions-section { background: var(--white); }

.solutions-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1.25rem;
}

.solution-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--neutral-200);
  transition: all var(--transition);
}
.solution-card:hover { border-color: var(--blue-300, #93c5fd); box-shadow: var(--shadow-md); transform: translateY(-3px); }

.solution-card-featured {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-700));
  border-color: transparent;
}
.solution-card-featured .solution-card-inner h3 { color: var(--white); }
.solution-card-featured .solution-card-inner p  { color: rgba(255,255,255,0.8); }
.solution-card-featured .solution-link { color: var(--green-400); }
.solution-card-featured .solution-link:hover { color: var(--white); }

.solution-card:not(.solution-card-featured) .solution-card-inner { background: var(--neutral-50); }

.solution-card-inner {
  padding: 2rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.solution-icon { width: 56px; height: 56px; margin-bottom: 0.5rem; }
.solution-icon svg { width: 100%; height: 100%; }

.solution-card-inner p { font-size: 0.9rem; line-height: 1.7; flex: 1; }

.solution-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-600);
  transition: color var(--transition);
  align-self: flex-start;
}
.solution-link:hover { color: var(--blue-800); }

/* ===================================================
   PRODUCTS
   =================================================== */
.products-section { background: var(--neutral-50); }

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

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-100);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.product-img-wrap { width: 100%; overflow: hidden; }
.product-img {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img svg { width: 100%; height: 100%; object-fit: cover; }

.product-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-600);
  background: var(--blue-50);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.product-body h3 { color: var(--neutral-900); font-size: 1.125rem; }
.product-body p { font-size: 0.9375rem; color: var(--neutral-600, #475569); }

.product-features {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.product-features li {
  font-size: 0.875rem;
  color: var(--neutral-600, #475569);
  padding-left: 1.25rem;
  position: relative;
}
.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-500);
}

/* ===================================================
   ARCHITECTURE
   =================================================== */
.architecture-section { background: var(--white); }

.arch-diagram {
  background: var(--neutral-50);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  border: 1px solid var(--neutral-200);
}

.arch-flow {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  margin-bottom: 2.5rem;
  padding-bottom: 0.5rem;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.arch-node-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 2px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.arch-node-icon:hover { border-color: var(--blue-400); box-shadow: var(--shadow-md); }
.arch-node-icon svg { width: 36px; height: 36px; }
.arch-node p { font-size: 0.8rem; font-weight: 600; color: var(--neutral-700); text-align: center; max-width: 100px; }
.arch-node small { color: var(--neutral-400); font-size: 0.7rem; }

.arch-node-primary .arch-node-icon  { background: var(--blue-50); border-color: var(--blue-200, #bfdbfe); }
.arch-node-server  .arch-node-icon  { background: #f0f4ff; border-color: #c7d2fe; }
.arch-node-queue   .arch-node-icon  { background: #fdf4ff; border-color: #e9d5ff; }
.arch-node-ai      .arch-node-icon  { background: #fff7ed; border-color: #fed7aa; }

.arch-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 60px;
  padding-inline: 0.5rem;
}
.arch-arrow-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-300, #93c5fd), var(--blue-500));
  position: relative;
}
.arch-arrow-line::after {
  content: '';
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left: 7px solid var(--blue-500);
}
.arch-arrow-label {
  font-size: 0.65rem;
  color: var(--neutral-400);
  text-align: center;
  white-space: nowrap;
}

.arch-storage-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.arch-storage-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.arch-storage-icon {
  width: 60px;
  height: 60px;
  background: var(--white);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.arch-storage-icon svg { width: 32px; height: 32px; }
.arch-storage-node p { font-size: 0.8rem; font-weight: 600; color: var(--neutral-700); text-align: center; }
.arch-storage-node small { color: var(--neutral-400); font-size: 0.7rem; }

.arch-features-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.arch-feature-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.125rem;
  background: var(--white);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--neutral-700);
  box-shadow: var(--shadow-sm);
}
.arch-feature-badge svg { width: 14px; height: 14px; color: var(--blue-600); flex-shrink: 0; }

/* ===================================================
   MARKET SIZE
   =================================================== */
.market-section { background: var(--neutral-50); }

.market-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.market-card {
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.market-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }

.market-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
}

.market-card-tam  { background: var(--blue-900); }
.market-card-sam  { background: var(--blue-700); }
.market-card-som  { background: var(--blue-600); }

.market-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.12);
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.market-card-value {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.market-card-cagr {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-400);
  margin-bottom: 1rem;
}

.market-card p { font-size: 0.9rem; color: rgba(255,255,255,0.75); line-height: 1.7; }

/* Why India */
.market-why-india { }

.why-india-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--neutral-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.why-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.why-icon {
  width: 44px;
  height: 44px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.why-icon svg { width: 24px; height: 24px; }

.why-card h4 { margin-bottom: 0.5rem; color: var(--neutral-900); }
.why-card p { font-size: 0.875rem; color: var(--neutral-500); line-height: 1.6; }

/* ===================================================
   TRACTION
   =================================================== */
.traction-section {
  background: linear-gradient(160deg, var(--blue-900) 0%, #1a2f6e 100%);
  position: relative;
  overflow: hidden;
}
.traction-section::before {
  content: '';
  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: 50px 50px;
}

.traction-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.traction-text .section-subtitle { color: rgba(255,255,255,0.7); }

/* Timeline */
.traction-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 1rem;
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item:last-child .timeline-marker::after { display: none; }

.timeline-marker {
  flex-shrink: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-marker::before {
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--blue-600);
  border: 3px solid var(--white);
  flex-shrink: 0;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.15);
}
.timeline-item.timeline-done .timeline-marker::before  { background: var(--green-400); border-color: var(--white); }
.timeline-item.timeline-active .timeline-marker::before { background: var(--white); border-color: var(--green-400); }
.timeline-marker::after {
  content: '';
  width: 2px;
  flex: 1;
  background: rgba(255,255,255,0.15);
  margin-top: 4px;
}

.timeline-content {
  padding-top: 0;
}
.timeline-badge {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-400);
  margin-bottom: 0.25rem;
}
.timeline-date {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.timeline-content p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ===================================================
   COMPETITIVE ADVANTAGE
   =================================================== */
.competitive-section { background: var(--white); }

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

.competitive-card {
  background: var(--neutral-50);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--neutral-200);
  transition: all var(--transition);
}
.competitive-card:hover { background: var(--white); box-shadow: var(--shadow-md); transform: translateY(-3px); }

.competitive-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.competitive-icon svg { width: 36px; height: 36px; }

.competitive-icon-blue   { background: var(--blue-50); }
.competitive-icon-green  { background: #f0fdf4; }
.competitive-icon-orange { background: #fff7ed; }

.competitive-card h3 { margin-bottom: 0.75rem; color: var(--neutral-900); }
.competitive-card p { font-size: 0.9375rem; color: var(--neutral-600, #475569); line-height: 1.7; }

/* ===================================================
   BUSINESS MODEL
   =================================================== */
.business-section { background: var(--neutral-50); }

.business-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}

.business-text .section-title { margin-bottom: 1.25rem; }
.business-text p { font-size: 1.0625rem; color: var(--neutral-600, #475569); margin-bottom: 2rem; line-height: 1.8; }

.business-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.business-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.business-card:hover { box-shadow: var(--shadow-md); }

.business-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--neutral-100);
}
.business-card-header svg { width: 28px; height: 28px; color: var(--blue-600); flex-shrink: 0; }
.business-card-header h3 { font-size: 1rem; color: var(--neutral-900); }

.business-card ul { display: flex; flex-direction: column; gap: 0.6rem; }
.business-card ul li {
  font-size: 0.9rem;
  color: var(--neutral-600, #475569);
  padding-left: 1.25rem;
  position: relative;
}
.business-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ===================================================
   TEAM
   =================================================== */
.team-section { background: var(--white); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.team-card {
  background: var(--neutral-50);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  border: 1px solid var(--neutral-100);
  transition: all var(--transition);
}
.team-card:hover { background: var(--white); box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}
.team-avatar-1 { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.team-avatar-2 { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.team-avatar-3 { background: linear-gradient(135deg, #065f46, #059669); }
.team-avatar-4 { background: linear-gradient(135deg, #ea580c, #f97316); }
.team-avatar-5 { background: linear-gradient(135deg, #be123c, #f43f5e); }

.team-info h3 { font-size: 0.9375rem; color: var(--neutral-900); margin-bottom: 0.5rem; }

.team-role {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.team-role-commercial { background: #dbeafe; color: #1d4ed8; }
.team-role-marketing  { background: #ede9fe; color: #7c3aed; }
.team-role-operations { background: #d1fae5; color: #065f46; }
.team-role-tech       { background: #ffedd5; color: #c2410c; }

.team-info p { font-size: 0.8125rem; color: var(--neutral-500); line-height: 1.6; }

/* ===================================================
   CTA / CONTACT
   =================================================== */
.cta-section {
  background: linear-gradient(160deg, var(--blue-900) 0%, #1a2f6e 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(74,222,128,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(96,165,250,0.08) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.cta-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.cta-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
}
.cta-contact-item svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.cta-contact-item a { color: rgba(255,255,255,0.75); transition: color var(--transition); }
.cta-contact-item a:hover { color: var(--white); }

/* Form */
.cta-form-wrap { }

.cta-form {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.cta-form h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1.125rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--white);
  font-size: 0.9375rem;
  transition: all var(--transition);
  width: 100%;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px rgba(96,165,250,0.2);
}
.form-group textarea { resize: vertical; }

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin-top: 0.75rem;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--neutral-900);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo .logo-wu,
.footer-logo .logo-lar  { color: var(--white); }
.footer-logo .logo-health { color: var(--neutral-400); }

.footer-tagline {
  color: var(--neutral-400);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-social { display: flex; gap: 0.75rem; }
.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-400);
  transition: all var(--transition);
}
.social-link:hover { background: var(--blue-600); color: var(--white); }
.social-link svg { width: 18px; height: 18px; }

.footer-links-group h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-links-group ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-links-group a {
  font-size: 0.875rem;
  color: var(--neutral-400);
  transition: color var(--transition);
}
.footer-links-group a:hover { color: var(--white); }

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--neutral-400);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}
.footer-contact-list svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }
.footer-contact-list a { color: var(--neutral-400); transition: color var(--transition); }
.footer-contact-list a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.8125rem; color: var(--neutral-500); }

.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.8125rem; color: var(--neutral-500); transition: color var(--transition); }
.footer-legal a:hover { color: var(--neutral-300, #d1d5db); }

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1024px) {
  :root { --section-gap: 80px; }

  .solutions-grid { grid-template-columns: 1fr 1fr; }
  .solution-card-featured { grid-column: span 2; }

  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid .team-card:nth-child(4),
  .team-grid .team-card:nth-child(5) { }

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

@media (max-width: 900px) {
  .about-grid   { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { display: none; }

  .problem-grid        { grid-template-columns: 1fr; }
  .market-grid         { grid-template-columns: 1fr; }
  .why-india-grid      { grid-template-columns: repeat(2, 1fr); }
  .competitive-grid    { grid-template-columns: 1fr; }
  .business-grid       { grid-template-columns: 1fr; gap: 3rem; }
  .traction-inner      { grid-template-columns: 1fr; gap: 3rem; }
  .cta-inner           { grid-template-columns: 1fr; gap: 3rem; }
  .team-grid           { grid-template-columns: repeat(2, 1fr); }

  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card-featured { grid-column: span 1; }
}

@media (max-width: 768px) {
  :root { --section-gap: 64px; --nav-height: 64px; }

  /* Mobile nav */
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-md); }

  .hero-stats { gap: 1.5rem; flex-direction: column; align-items: flex-start; }
  .hero-stat-divider { display: none; }
  .hero-stat { padding: 0; }

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

  .arch-flow { flex-direction: column; align-items: flex-start; }
  .arch-arrow { flex-direction: row; width: 100%; min-width: auto; padding-block: 0.5rem; }
  .arch-arrow-line { height: 2px; width: 100%; }
  .arch-storage-row { flex-direction: column; align-items: center; gap: 1.5rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; }

  .why-india-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .market-card-value { font-size: 2rem; }
  .team-grid { grid-template-columns: 1fr; }
}

/* ===================================================
   UTILITY CLASSES
   =================================================== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* Smooth color on neutral-600 */
.neutral-600 { color: #475569; }