/*-----------------------------------*\
  #style.css - SmartsCode Dark Theme
\*-----------------------------------*/

:root {
  --bg-primary: #0b0f17;
  --bg-secondary: #131924;
  --card-bg: #1a2232;
  --accent-pink: #ff2a5f;
  --accent-pink-hover: #e01e4f;
  --accent-cyan: #00f2fe;
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --font-family: 'Noto Sans', sans-serif;
  --transition: all 0.3s ease;
}

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

li { list-style: none; }
a { text-decoration: none; color: inherit; }

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  padding-inline: 16px;
  max-width: 1200px;
  margin-inline: auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding-block: 15px;
  background-color: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-list {
  display: flex;
  gap: 25px;
}

.navbar-link {
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.navbar-link:hover {
  color: var(--accent-pink);
}

.btn {
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-pink), #ff5270);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 42, 95, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 42, 95, 0.5);
}

/* Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: 60px;
  text-align: center;
  position: relative;
}

.hero-subtitle {
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 10px;
}

.headline-1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 15px;
  line-height: 1.2;
}

.headline-1 .span {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.input-wrapper {
  max-width: 550px;
  margin-inline: auto;
  position: relative;
}

.input-field {
  width: 100%;
  padding: 16px 24px;
  border-radius: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: white;
  font-size: 16px;
  outline: none;
  transition: var(--transition);
}

.input-field:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 15px rgba(255, 42, 95, 0.2);
}

/* Coupon Slider & Grid */
.topics {
  padding-block: 60px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.slider-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
  padding-top: 25px;
}

.slider-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  display: block;
  transition: var(--transition);
}

.slider-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-pink);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.slider-banner img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 15px;
  border-radius: 12px;
}

.slider-title {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  margin-bottom: 4px;
}

.slider-subtitle {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .headline-1 { font-size: 2rem; }
  .slider-list { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 12px; }
  .navbar-list { display: none; }
}