/* =========================
   RESET + GLOBAL
========================= */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 700px at 20% 0%, rgba(92,225,255,.14), transparent 55%),
    radial-gradient(1000px 600px at 85% 10%, rgba(120,105,255,.18), transparent 55%),
    linear-gradient(180deg, #070b18, #0a1224);
  color: #fff;
}

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* =========================
   HEADER
========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 19, 38, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #3aa8ff;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #061021;
}

.brand-title { font-weight: 900; }
.brand-subtitle { font-size: 12px; opacity: .75; }

.nav { display: flex; gap: 10px; }

.nav-link {
  padding: 10px 14px;
  border-radius: 14px;
  opacity: .9;
}

.nav-link:hover { background: rgba(255,255,255,.06); }

.nav-link.active {
  background: rgba(58,168,255,.18);
  border: 1px solid rgba(58,168,255,.45);
}

/* =========================
   SECTIONS
========================= */
.section { padding: 24px 0; }

/* =========================
   SLIDER
========================= */
.slider-wrap {
  width: 60%;
  max-width: 920px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .slider-wrap { width: 100%; }
}

.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: #050814;
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
  aspect-ratio: 16 / 9;
  max-height: 420px;
}

.slides {
  display: flex;
  height: 100%;
  transition: transform .55s ease;
}

.slide {
  flex: 0 0 100%;
  overflow: hidden;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =========================
   BUTTONS
========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 16px;
  font-weight: 800;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  transition: .2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #3aa8ff, #5ce1ff);
  border: none;
  color: #061021;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}

/* =========================
   CARDS
========================= */
.cards {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: rgba(15,27,51,.92);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 22px;
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
  overflow: hidden;
}

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
}

/* =========================
   CONTACT PAGE
========================= */
.contact-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

@media (max-width: 900px){
  .contact-grid{
    grid-template-columns: 1fr;
  }
}

/* =========================
   FORM GRID
========================= */
.form{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 14px;
}

@media (max-width: 900px){
  .form{
    grid-template-columns: 1fr;
  }
}

.form label{
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
}

/* =========================
   PREMIUM INPUT STYLE
========================= */
.form input,
.form textarea{
  width: 100%;
  padding: 13px 15px;
  border-radius: 14px;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: #fff;
  outline: none;
  transition: all .25s ease;
}

.form textarea{
  min-height: 130px;
  resize: vertical;
}

.form input::placeholder,
.form textarea::placeholder{
  color: rgba(255,255,255,.55);
}

/* hover */
.form input:hover,
.form textarea:hover{
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.10);
}

/* focus glow */
.form input:focus,
.form textarea:focus{
  border-color: #5ce1ff;
  background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 4px rgba(92,225,255,.20);
  transform: translateY(-1px);
}

/* Message field full width */
.form label:nth-child(4){
  grid-column: 1 / -1;
}

/* Button full width */
.form button{
  grid-column: 1 / -1;
  margin-top: 8px;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 800;
  cursor: pointer;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 55px;
  height: 55px;
  object-fit: contain;
}