/* ===== VARIABLES ===== */
:root {
  --primary: #df1a50;
  --primary-light: #F74D67;
  --primary-dark: #b8143f;
  --primary-gradient: linear-gradient(135deg, #df1a50, #F74D67);
  --bg-white: #ffffff;
  --bg-light: #FBFBFB;
  --bg-gray: #F4F4F5;
  --bg-dark: #0e0c1b;
  --text-dark: #0e0c1b;
  --text-body: #6e6d76;
  --text-light: #999999;
  --border-color: #DFDFE2;
  --border-light: #eeeeee;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --container-width: 1200px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-white);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--primary);
  color: white;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

/* ===== BASE ===== */
a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
}

h1 { font-size: clamp(30px, 2.5rem + 1.5vw, 55px); }
h2 { font-size: clamp(26px, 1.8rem + 1vw, 42px); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-body);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

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

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

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: white;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== GRID ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-white { color: white; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  color: var(--primary);
  margin-bottom: 15px;
}

.section-header p {
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
  .container { padding: 0 15px; }
  .section-header { margin-bottom: 35px; }
}