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

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

:root {
  --color-primary: #CC1414;
  --color-primary-dark: #A50F0F;
  --color-primary-light: #E53535;
  --color-silver: #C0C4CC;
  --color-silver-light: #E8EAED;
  --color-dark: #0A1628;
  --color-dark-2: #0F1E35;
  --color-dark-3: #1A2B44;
  --color-light: #F8F9FA;
  --color-light-2: #EEF2F7;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-dark: #2A3A54;

  --gradient-hero: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.65) 60%, rgba(204,20,20,0.25) 100%);
  --gradient-primary: linear-gradient(135deg, #CC1414 0%, #A50F0F 100%);
  --gradient-dark: linear-gradient(160deg, #0A1628 0%, #0F1E35 100%);
  --gradient-card: linear-gradient(160deg, #0F1E35 0%, #1A2B44 100%);
  --gradient-cta: linear-gradient(135deg, #0A1628 0%, #1a0a0a 50%, #2d0a0a 100%);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.2);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.3);
  --shadow-red: 0 8px 25px rgba(204,20,20,0.35);

  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

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

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --container-max: 1280px;
  --container-padding: 1.5rem;

  --header-height: 158px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-base);
}

input, textarea, select {
  font-family: var(--font-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-base);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.1rem; font-weight: 600; }
h6 { font-size: 1rem; font-weight: 600; }

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.section-dark p { color: rgba(255,255,255,0.75); }

.section-light {
  background: var(--color-light);
}

.section-light-2 {
  background: var(--color-light-2);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.section-tag.white {
  color: rgba(255,255,255,0.8);
}

.section-tag.white::before {
  background: rgba(255,255,255,0.6);
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.1rem;
  max-width: 620px;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered p {
  margin: 0 auto;
}

.text-white { color: var(--color-white); }
.text-white h2, .text-white h3 { color: var(--color-white); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-normal);
  min-height: 48px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.1);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(204,20,20,0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-dark);
}

.btn-outline-dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  min-height: 40px;
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(204,20,20,0.12);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-light); }
::-webkit-scrollbar-thumb { background: var(--color-silver); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

::selection { background: rgba(204,20,20,0.2); }