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

:root {
  --primary: #02347d;
  --primary-dark: #071827;
  --accent: #0b63ce;
  --accent-light: #7db7ff;
  --bg: #f6faff;
  --text: #102033;
  --muted: #52677c;
  --white: #ffffff;
  --border: #dbe6f2;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  width: 90%;
  max-width: 1150px;
  margin: auto;
}

.section {
  padding: 90px 0;
}

h1,
h2,
h3 {
  line-height: 1.1;
  color: var(--primary-dark);
}

h1 {
  font-size: clamp(2.55rem, 5vw, 4rem);
  margin-bottom: 22px;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

p {
  color: var(--muted);
  font-size: 1rem;
}

.section-intro {
  max-width: 780px;
  margin-bottom: 34px;
  font-size: 1.08rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

/* NAV */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219,230,242,0.9);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo {
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--primary-dark);
}

nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
}

nav a.active {
  color: var(--primary);
}

.btn-nav {
  background: linear-gradient(135deg, #0b63ce, #38a3ff);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(11,99,206,0.22);
}

/* HERO */
.hero {
  position: relative;
  padding: 125px 0;
  overflow: hidden;
  background:
    linear-gradient(
      120deg,
      rgba(255,255,255,0.82),
      rgba(230,242,255,0.74)
    ),
    url("../images/computer-repair-bg.jpg") center center / cover no-repeat;
  color: var(--text);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(11,99,206,0.18), transparent 30%),
    radial-gradient(circle at 15% 80%, rgba(125,183,255,0.2), transparent 30%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 55px;
  align-items: center;
}

.hero h1 {
  color: var(--primary-dark);
}

.hero p {
  color: #405468;
  max-width: 590px;
  font-size: 1.08rem;
  margin-bottom: 14px;
}

.hero .eyebrow {
  color: var(--accent);
}

.hero-card {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.75);
  box-shadow: 0 22px 55px rgba(2,52,125,0.14);
}

/* BUTTONS */
.btn-main {
  display: inline-block;
  margin-top: 24px;
  background: linear-gradient(135deg, #0b63ce, #38a3ff);
  color: #fff;
  padding: 15px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  border: none;
  cursor: pointer;
  box-shadow: 0 16px 36px rgba(11,99,206,0.25);
  transition: 0.2s ease;
}

.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(11,99,206,0.3);
}

/* CARDS */
.card {
  background: var(--white);
  padding: 30px;
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(2,52,125,0.09);
  border: 1px solid var(--border);
}

.card p {
  color: var(--muted);
}

.card ul {
  list-style: none;
}

.card li {
  padding-left: 26px;
  margin-bottom: 12px;
  position: relative;
  font-weight: 700;
  color: var(--text);
}

.card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 900;
}

/* GRIDS */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
}

/* DARK SECTION */
.dark {
  background:
    radial-gradient(circle at 85% 20%, rgba(125,183,255,0.28), transparent 30%),
    linear-gradient(135deg, #08213a, #02347d);
  color: #fff;
}

.dark h2,
.dark .eyebrow {
  color: #fff;
}

.dark p {
  color: #dbe8f7;
}

.dark li {
  color: #ffffff;
}

.dark .card {
  background: rgba(255,255,255,0.96);
  color: var(--text);
}

.dark .card h3 {
  color: var(--primary-dark);
}

/* LIGHT CARD FIX */
.card.light {
  background: rgba(255,255,255,0.97) !important;
  padding: 35px !important;
  border-radius: 24px !important;
  border: 1px solid rgba(255,255,255,0.35) !important;
  box-shadow: 0 18px 45px rgba(0,0,0,0.16) !important;
  color: #0b1f33 !important;
  height: fit-content;
}

.card.light h3 {
  color: #06172a !important;
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.card.light p {
  color: #1f334a !important;
  line-height: 1.8;
  font-size: 1.05rem;
  margin-bottom: 15px;
}

.card.light ul {
  color: #2b435d !important;
  padding-left: 0;
}

.card.light li {
  color: #2b435d !important;
  line-height: 1.7;
  margin-bottom: 10px;
}

/* CONTACT */
.contact {
  background:
    linear-gradient(180deg, #f6faff 0%, #ffffff 100%);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  background: var(--white);
  padding: 34px;
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(2,52,125,0.13);
  border: 1px solid var(--border);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 15px 16px;
  border-radius: 12px;
  border: 1px solid #ccd6e3;
  font-size: 0.96rem;
  font-family: Arial, sans-serif;
  color: var(--text);
  background: #fff;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(11,99,206,0.12);
}

.form textarea {
  min-height: 135px;
  resize: vertical;
}

.form button {
  width: fit-content;
}

/* FOOTER */
.footer {
  background: var(--primary-dark);
  color: white;
  padding: 34px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}

.footer p {
  color: #d6e2f3;
  margin-bottom: 5px;
}

.footer strong {
  color: #fff;
}

.footer a {
  color: #d6e2f3;
  text-decoration: none;
  font-weight: 700;
}

.footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* MOBILE */
@media (max-width: 768px) {
  .section {
    padding: 65px 0;
  }

  .nav {
    flex-direction: column;
    gap: 16px;
  }

  nav a {
    margin: 0 8px;
  }

  .hero {
    padding: 85px 0;
  }

  .hero-grid,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .form button {
    width: 100%;
  }
}