/* ============================================
   CSS RESET & NORMALIZATION
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: var(--line-height-base);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-heading);
  font-weight: 700;
}

/* ============================================
   CSS CUSTOM PROPERTIES (THEME SYSTEM)
   ============================================ */

:root {
  /* Colors - Sophisticated professional palette */
  --color-primary: #1a1f36;      /* Deep charcoal - modern, sophisticated */
  --color-secondary: #2563eb;    /* Professional blue - trustworthy */
  --color-accent: #0ea5e9;       /* Sky blue - modern tech */
  --color-dark: #0f172a;
  --color-light: #ffffff;
  --color-gray-25: #fcfcfd;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  
  /* Typography - Professional font stack */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Inter Display', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --font-size-base: 16px;
  --font-size-h1: 3.5rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 1.875rem;
  --font-size-h4: 1.5rem;
  --font-size-body-large: 1.125rem;
  --font-size-body-small: 0.875rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
  --line-height-tight: 1.25;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  
  /* Spacing - Refined spacing scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;
  
  /* Layout */
  --container-max-width: 1280px;
  --container-padding: 1.5rem;
  --header-height: 72px;
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Transitions - Smooth animations */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Shadows - Subtle depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

/* ============================================
   BASE STYLES
   ============================================ */

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-primary);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-primary);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-normal);
  color: var(--color-primary);
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 600;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-normal);
  color: var(--color-primary);
}

p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  line-height: var(--line-height-base);
}

p:last-child {
  margin-bottom: 0;
}

/* Container utility */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Add visual separation between sections */
section {
  position: relative;
}

section:not(.hero)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background-color: var(--color-secondary);
}

/* Section title utility */
.section__title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  color: var(--color-primary);
  font-size: var(--font-size-h2);
  font-weight: 700;
  letter-spacing: var(--letter-spacing-tight);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  margin: var(--spacing-lg) auto 0;
  border-radius: var(--border-radius-sm);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.header__container {
  max-width: var(--container-max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 40px;
  width: auto;
  transition: transform var(--transition-base);
}

.header__logo:hover img {
  transform: scale(1.05);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__toggle-icon,
.nav__toggle-icon::before,
.nav__toggle-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: all var(--transition-base);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
}

.nav__toggle-icon::before {
  transform: translateY(-8px);
}

.nav__toggle-icon::after {
  transform: translateY(8px);
}

.nav__menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-body-small);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  border-radius: var(--border-radius-md);
}

.nav__link:hover {
  color: var(--color-secondary);
  background-color: var(--color-gray-50);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transition: width var(--transition-base);
  border-radius: var(--border-radius-sm);
}

.nav__link:hover::after {
  width: 80%;
}

.nav__link--active {
  color: var(--color-secondary);
}

.nav__link--active::after {
  transform: scaleX(1);
}

/* Desktop Navigation (≥768px) */
@media (min-width: 768px) {
  .nav__menu {
    display: flex;
    flex-direction: row;
  }
}

/* Mobile Navigation (<768px) */
@media (max-width: 767px) {
  .nav__toggle {
    display: flex;
    position: relative;
    z-index: 1001;
  }

  .nav__toggle-icon {
    position: relative;
  }

  /* Hamburger menu animation when open */
  .nav__toggle--active .nav__toggle-icon {
    background-color: transparent;
  }

  .nav__toggle--active .nav__toggle-icon::before {
    transform: rotate(45deg);
  }

  .nav__toggle--active .nav__toggle-icon::after {
    transform: rotate(-45deg);
  }

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    background-color: white;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    border-left: 2px solid var(--color-gray-100);
  }

  .nav__menu--open {
    transform: translateX(0);
  }

  .nav__menu li {
    width: 100%;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
  }

  .nav__link::after {
    display: none;
  }

  .nav__link:hover,
  .nav__link--active {
    background-color: var(--color-gray-50);
    border-left-color: var(--color-secondary);
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  padding-top: var(--header-height);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f172a 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-5xl) var(--container-padding);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  opacity: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(15, 23, 42, 0.4) 100%);
  pointer-events: none;
}

.hero__content {
  max-width: 900px;
  z-index: 1;
  position: relative;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-xl);
  font-weight: 800;
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  margin-bottom: var(--spacing-3xl);
  opacity: 0.9;
  font-weight: 400;
  line-height: var(--line-height-base);
  color: rgba(255, 255, 255, 0.85);
}

.hero__cta {
  display: inline-block;
  padding: var(--spacing-lg) var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
  font-weight: 600;
  font-size: var(--font-size-body-large);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero__cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.hero__cta:hover::before {
  left: 100%;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-light) 100%);
  position: relative;
}

.about__description {
  text-align: left;
  max-width: 800px;
  margin: 0 auto var(--spacing-4xl);
  font-size: var(--font-size-body-large);
  color: var(--color-text);
  line-height: var(--line-height-base);
  font-weight: 400;
  padding: var(--spacing-3xl);
  background-color: var(--color-light);
  border-left: 4px solid var(--color-secondary);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-lg);
  position: relative;
}

.about__description::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-secondary), transparent);
}

.about__domains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.domain-card {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background-color: var(--color-light);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.domain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.domain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.domain-card:hover::before {
  transform: scaleX(1);
}

.domain-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-h4);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.domain-card h3::before {
  content: '';
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  border-radius: 50%;
  flex-shrink: 0;
}

.domain-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
}

/* ============================================
   OCTACARE+ SECTION
   ============================================ */

.octacare {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-gray-50) 100%);
}

.octacare__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  margin-top: var(--spacing-3xl);
}

.octacare__image {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  background-color: var(--color-gray-100);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  border: 1px solid var(--color-gray-200);
}

.octacare__image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(14, 165, 233, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.octacare__image:hover::before {
  opacity: 1;
}

.octacare__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.octacare__image:hover img {
  transform: scale(1.05);
}

.octacare__details h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-tight);
}

.octacare__details p {
  color: var(--color-text);
  margin-bottom: var(--spacing-2xl);
  line-height: var(--line-height-base);
  font-size: var(--font-size-body-large);
  font-weight: 400;
}

.octacare__features {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.octacare__features li {
  padding: var(--spacing-lg) var(--spacing-xl);
  padding-left: var(--spacing-3xl);
  position: relative;
  color: var(--color-text);
  background-color: var(--color-light);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.octacare__features li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.octacare__features li::before {
  content: '✓';
  position: absolute;
  left: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: var(--font-size-h4);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
  border-radius: 50%;
  font-size: 14px;
}

@media (max-width: 767px) {
  .octacare__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ============================================
   VISION SECTION
   ============================================ */

.vision {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-light) 100%);
}

.vision__statement {
  text-align: left;
  max-width: 800px;
  margin: 0 auto var(--spacing-4xl);
  font-size: var(--font-size-body-large);
  color: var(--color-text);
  line-height: var(--line-height-base);
  font-weight: 400;
  padding: var(--spacing-3xl);
  background-color: var(--color-light);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-lg);
  position: relative;
}

.vision__statement::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.vision__strategy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.strategy-item {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background-color: var(--color-light);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.strategy-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.strategy-item:nth-child(2)::before {
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
}

.strategy-item:nth-child(3)::before {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.strategy-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-secondary);
}

.strategy-item:hover::before {
  transform: scaleX(1);
}

.strategy-item h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  font-size: var(--font-size-h3);
  font-weight: 600;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-tight);
}

.strategy-item p {
  margin-bottom: 0;
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  font-size: var(--font-size-base);
}

@media (max-width: 1023px) {
  .vision__strategy {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-gray-50) 100%);
}

.contact__info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: var(--spacing-3xl) auto 0;
}

.contact__item {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f172a 100%);
  color: white;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact__item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.contact__item:nth-child(2) {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  color: var(--color-primary);
}

.contact__item:nth-child(3) {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f172a 100%);
}

.contact__item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.contact__item:hover::before {
  opacity: 0.1;
}

.contact__item h3 {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-body-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.contact__item:nth-child(2) h3 {
  color: var(--color-primary);
}

.contact__item p {
  margin-bottom: 0;
  font-size: var(--font-size-body-large);
  font-weight: 500;
  position: relative;
  z-index: 1;
  line-height: var(--line-height-base);
}

@media (max-width: 767px) {
  .contact__info {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f172a 100%);
  color: white;
  text-align: center;
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--color-secondary), var(--color-accent)) 1;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
  opacity: 0.3;
}

.footer p {
  margin: 0;
  opacity: 0.8;
  font-size: var(--font-size-body-small);
  font-weight: 400;
  letter-spacing: 0.025em;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 767px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --container-padding: 1rem;
    --header-height: 64px;
  }
  
  .hero {
    min-height: calc(100vh - var(--header-height));
    padding: var(--spacing-3xl) var(--container-padding);
  }
  
  .about,
  .octacare,
  .vision,
  .contact {
    padding: var(--spacing-4xl) 0;
  }
  
  .about__domains {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .section__title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-2xl);
  }
  
  .about__description,
  .vision__statement {
    padding: var(--spacing-2xl) var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
  }
  
  .domain-card,
  .strategy-item {
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
  
  .contact__item {
    padding: var(--spacing-2xl) var(--spacing-xl);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .about__domains {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .vision__strategy {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
  
  .contact__info {
    grid-template-columns: 1fr;
    max-width: 500px;
  }
  
  .octacare__content {
    gap: var(--spacing-3xl);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.375rem;
  }
  
  .hero__title {
    font-size: clamp(1.875rem, 8vw, 2.5rem);
  }
  
  .hero__subtitle {
    font-size: clamp(1rem, 4vw, 1.125rem);
  }
  
  .hero__cta {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-base);
  }
}