/* ---------- Base  ---------- */
:root {
  --bg: #070a12;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.1);
  --text: #f5f7ff;
  --muted: rgba(245, 247, 255, 0.72);
  --accent: #3ee1d1;
  --accent-2: #5b8cff;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.55);
  --radius: 14px;
  --max-width: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 10%, rgba(62, 225, 209, 0.18), transparent 45%),
    radial-gradient(circle at 80% 55%, rgba(91, 140, 255, 0.16), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(100% - 2.4rem, var(--max-width));
  margin: 0 auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 10, 18, 0.75);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 1.5rem;
  width: min(100% - 2.4rem, var(--max-width));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand__logo {
  width: 44px;
  height: 44px;
}

.brand__name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav__link {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 180ms ease;
}

.nav__link:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.1);
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: rgba(33, 227, 215, 0.35);
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(62, 225, 209, 0.9), rgba(91, 140, 255, 0.9));
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 84vh;
  padding: 5rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  text-align: center;
  background: url("assets/pc-background.svg") center/cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.6), rgba(7, 10, 18, 0.95));
}

.hero__content {
  position: relative;
  max-width: 720px;
  z-index: 1;
}

.hero__title {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  margin: 1.2rem 0 2.4rem;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ---------- Sections ---------- */
.section {
  padding: 4rem 1.5rem;
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
}

.section__intro {
  margin: 0 0 2.6rem;
  max-width: 680px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card__title {
  margin: 0 0 0.75rem;
}

.services-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.services-list li {
  position: relative;
  padding-left: 1.75rem;
}

.services-list li::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.cta-row {
  margin-top: 2.4rem;
  text-align: center;
}

/* ---------- Form ---------- */
.form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  max-width: 720px;
  margin: 0 auto;
}

.form__grid {
  display: grid;
  gap: 1.25rem;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form__field input,
.form__field textarea {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
  background: rgba(0, 0, 0, 0.45);
  color: var(--text);
  font: inherit;
  outline: none;
}

.form__field input:focus,
.form__field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(62, 225, 209, 0.2);
}

.form__field--full {
  grid-column: 1 / -1;
}

.form__hint {
  margin: 1.2rem 0 1.6rem;
  color: rgba(245, 247, 255, 0.65);
  font-size: 0.95rem;
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 2.8rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 10, 18, 0.9);
}

.site-footer__inner {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  width: min(100% - 2.4rem, var(--max-width));
  margin: 0 auto;
}

.site-footer__copy {
  margin: 0;
  color: rgba(245, 247, 255, 0.75);
  font-size: 0.95rem;
}

.site-footer__notes {
  margin: 0;
  color: rgba(245, 247, 255, 0.6);
  font-size: 0.9rem;
}

.placeholder {
  color: rgba(245, 247, 255, 0.65);
  font-style: italic;
}

/* ---------- Services Page ---------- */
.section__subtitle {
  margin: 3rem 0 1.5rem;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
}

.service-card,
.bundle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.service-card:hover,
.bundle-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
}

.service-card__title,
.bundle-card__title {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.service-card__description,
.bundle-card__description {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.service-card__price,
.bundle-card__price {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.calculator {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  margin-bottom: 2.6rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.calculator__title {
  margin: 0 0 1rem;
  font-size: 1.3rem;
}

.calculator__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.5rem;
}

.calculator__total {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 1.1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 850px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .nav__link {
    margin-top: 0.5rem;
  }

  .hero {
    padding: 4rem 1.5rem 3rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }
}

@media (max-width: 520px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .form__grid {
    grid-template-columns: 1fr;
  }
}