/* =========================
   ROOT COLORS
========================= */
:root {
  --primary: #076DF2;
  --secondary: #38BDF2;
  --light: #F0F1F2;
  --dark: #0D0D0D;
  --muted: rgba(13,13,13,0.6);
}

/* =========================
   GLOBAL RESET
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

/* =========================
   LAYOUT
========================= */
.container {
  width: min(1100px, 90%);
  margin: auto;
}

.section {
  padding: 100px 0;
}

h1, h2, h3 {
  font-weight: 600;
}

h2 {
  font-size: 34px;
  margin-bottom: 20px;
  text-align: center;
}

/* =========================
   NAVBAR UPGRADE
========================= */

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* LOGO */
.logo {
  font-weight: 600;
  font-size: 18px;
  color: var(--dark);
}

/* NAV LINKS */
.navbar nav {
  display: flex;
  gap: 24px;
}

.navbar a {
  position: relative;
  text-decoration: none;
  color: var(--dark);
  font-size: 14px;
  font-weight: 500;
  padding-bottom: 4px;
  transition: color 0.25s ease;
}

/* UNDERLINE ANIMATION */
.navbar a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.navbar a:hover {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(7,109,242,0.3);
}

.navbar a:hover::after {
  width: 100%;
}

/* =========================
   HERO
========================= */
.hero {
  text-align: center;
  padding: 160px 20px 120px;
  background: linear-gradient(135deg, #076DF2 0%, #38BDF2 100%);
  color: white;
}

.hero h1 {
  font-size: 52px;
  max-width: 800px;
  margin: auto;
  line-height: 1.2;
}

.hero p {
  margin-top: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255,255,255,0.9);
}

/* =========================
   BUTTON INTERACTIONS
========================= */

.btn-primary {
  background: white;
  color: var(--primary);
  padding: 14px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 20px;
  transition: all 0.25s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* SECONDARY BUTTON */
.btn-secondary {
  margin-left: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  text-decoration: none;
  color: white;
  border: 1px solid rgba(255,255,255,0.5);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* =========================
   SECTION COLORS
========================= */
.section:nth-child(even) {
  background: white;
}

.section:nth-child(odd) {
  background: #F8FAFF;
}

/* =========================
   GRID
========================= */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

/* =========================
   CARDS
========================= */
.card {
  background: white;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.05);
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 0 25px rgba(7,109,242,0.2);
}

/* =========================
   PRICE TEXT
========================= */
.price {
  display: block;
  margin-top: 10px;
  color: var(--primary);
  font-weight: 600;
}

/* =========================
   RESULTS / IMAGE BOX
========================= */
.img {
  height: 240px;
  background: linear-gradient(135deg, #e6ecff, #dbeafe);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--dark);
}

/* =========================
   FORM
========================= */
form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 30px;
}

input, textarea {
  padding: 14px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.1);
  font-size: 14px;
  width: 100%;
}

/* =========================
   CALL BUTTON
========================= */
.call-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary);
  color: white;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  z-index: 999;
}