:root {
  --bg-1: #04162d;
  --bg-2: #0c3f75;
  --bg-3: #1263aa;
  --accent-cyan: #24b9ff;
  --accent-orange: #ff6b00;
  --ink-strong: #e6f4ff;
  --ink-soft: #b4d3ef;
  --panel: #0d2e54;
  --panel-border: #2a5b8d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  line-height: 1.5;
}

.brand-body {
  color: var(--ink-strong);
  background: radial-gradient(circle at 10% 10%, #1d7bc4 0%, transparent 42%),
    radial-gradient(circle at 88% 18%, #0a4c8e 0%, transparent 36%),
    linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 52%, var(--bg-3) 100%);
  min-height: 100vh;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(2, 19, 39, 0.78);
  border-bottom: 1px solid rgba(100, 167, 223, 0.3);
}

.topbar-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-orange));
  box-shadow: 0 0 0 6px rgba(50, 163, 255, 0.14);
}

.brand-name {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  font-weight: 800;
}

.brand-tagline {
  margin: 2px 0 0;
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.main-nav {
  display: flex;
  gap: 20px;
}

.menu-toggle {
  display: none;
}

.menu-toggle-lines {
  display: grid;
  gap: 4px;
  width: 18px;
}

.menu-toggle-lines span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #e4f4ff;
}

.main-nav a {
  color: var(--ink-strong);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  padding: 8px 0;
}

.main-nav a:hover {
  color: var(--accent-cyan);
}

.hero-panel {
  padding: 52px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.86rem;
  color: #91cfff;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 700;
}

.hero-grid h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.12;
  text-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.hero-copy {
  margin: 15px 0 0;
  max-width: 620px;
  color: #c5e4fb;
  font-size: 1.06rem;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.primary-btn,
button {
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1aa8f0 0%, #0d8ce0 52%, #ff6b00 100%);
  color: #fff;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.23);
}

.social-btn {
  border: 1px solid rgba(132, 194, 243, 0.6);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e6f4ff;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: rgba(11, 59, 106, 0.55);
}

.social-btn:hover {
  background: rgba(18, 79, 139, 0.72);
}

.primary-btn:hover,
button:hover {
  filter: brightness(1.06);
}

.hero-phone {
  margin: 0;
  color: #d9ecfc;
}

.hero-card {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(119, 184, 236, 0.4);
  background: rgba(7, 31, 56, 0.55);
  box-shadow: 0 22px 34px rgba(0, 0, 0, 0.36);
}

.hero-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: 30px 0 44px;
}

.block-dark {
  position: relative;
}

.block-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(2, 19, 39, 0.2) 0%, rgba(14, 51, 88, 0.62) 65%, rgba(4, 31, 56, 0.52) 100%);
  pointer-events: none;
}

.split-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}

.info-card {
  background: rgba(8, 36, 67, 0.82);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 26px rgba(0, 0, 0, 0.25);
}

.info-card h2 {
  margin: 0;
  font-size: 1.55rem;
}

.info-card p {
  margin: 12px 0 0;
  color: #c4e0f7;
}

.mini-title {
  margin: 20px 0 10px;
  color: #eaf6ff;
  font-size: 1.08rem;
}

.service-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.service-list li {
  background: rgba(25, 83, 134, 0.46);
  border: 1px solid rgba(72, 141, 201, 0.48);
  border-radius: 10px;
  padding: 10px 12px;
}

.media-card {
  padding: 10px;
}

.media-card img {
  width: 100%;
  border-radius: 11px;
  display: block;
}

.section-head h2 {
  margin: 0;
  font-size: 1.75rem;
}

.section-head p {
  margin: 7px 0 0;
  color: #c2def5;
}

.product-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 14px;
}

.product-card {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(113, 181, 236, 0.42);
  box-shadow: 0 14px 25px rgba(0, 0, 0, 0.3);
  background: #0b2c4e;
}

.product-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.product-card.wide {
  min-height: 340px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  align-items: start;
  background: linear-gradient(140deg, rgba(6, 31, 58, 0.87), rgba(9, 51, 95, 0.93));
  border: 1px solid rgba(90, 163, 221, 0.42);
  border-radius: 18px;
  padding: 20px;
}

.contact-panel h2 {
  margin: 0;
}

.contact-panel p {
  margin: 10px 0 0;
  color: #c8e2f8;
}

.contact-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.contact-panel li {
  background: rgba(11, 62, 113, 0.55);
  border: 1px solid rgba(101, 170, 226, 0.4);
  border-radius: 12px;
  padding: 10px 12px;
  display: grid;
  gap: 2px;
}

.contact-panel span {
  color: #97c8f3;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-panel strong {
  font-size: 1.01rem;
}

.contact-link {
  color: #dff2ff;
  text-underline-offset: 3px;
}

.contact-link:hover {
  color: #7ed0ff;
}

.footer-bar {
  padding: 20px 0 32px;
  border-top: 1px solid rgba(97, 167, 222, 0.25);
}

.footer-bar p {
  margin: 0;
  color: #a8ceee;
}

.admin-bg {
  background: #eef2f8;
  color: #1b2735;
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: min(420px, 100%);
  background: #fff;
  border-radius: 14px;
  border: 1px solid #dbe3ee;
  padding: 22px;
  display: grid;
  gap: 10px;
}

.auth-card h1 {
  margin: 0;
}

.auth-help {
  color: #5d6b7a;
  margin: 0 0 6px;
}

.admin-header {
  border-bottom: 1px solid #dbe3ee;
  background: #fff;
  color: #1b2735;
}

.admin-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.admin-main {
  padding-top: 20px;
  padding-bottom: 30px;
}

.admin-form {
  display: grid;
  gap: 14px;
}

.admin-form fieldset {
  border: 1px solid #dbe3ee;
  border-radius: 12px;
  padding: 14px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.admin-form legend {
  font-weight: 700;
  padding: 0 6px;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c8d3e2;
  border-radius: 8px;
  padding: 10px;
  font-size: 0.95rem;
  font-family: inherit;
}

.secondary-btn {
  background: #334155;
}

.secondary-btn:hover {
  background: #1f2a3a;
}

.error-box,
.success-box {
  border-radius: 10px;
  padding: 11px 13px;
  font-weight: 600;
}

.error-box {
  background: #fde8e8;
  color: #9b1c1c;
}

.success-box {
  background: #dff8e7;
  color: #0b6b33;
  border: 1px solid #b9ebc9;
  margin-bottom: 14px;
}

@media (max-width: 900px) {
  .container {
    padding: 0 16px;
  }

  .hero-panel {
    padding: 34px 0 20px;
  }

  .hero-grid,
  .split-grid,
  .product-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .primary-btn,
  .hero-actions .social-btn {
    width: 100%;
  }

  .hero-phone {
    width: 100%;
  }

  .section {
    padding: 24px 0 34px;
  }

  .product-card.wide {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .topbar-row,
  .admin-header-row {
    gap: 10px;
  }

  .topbar-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(129, 194, 245, 0.5);
    background: rgba(9, 49, 87, 0.65);
    color: #e4f4ff;
    border-radius: 10px;
    width: 42px;
    height: 38px;
    padding: 0;
    cursor: pointer;
  }

  .main-nav {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
    padding-top: 8px;
  }

  .topbar.nav-open .main-nav {
    display: grid;
  }

  .main-nav a {
    text-align: center;
    border: 1px solid rgba(97, 164, 219, 0.4);
    border-radius: 10px;
    background: rgba(11, 58, 105, 0.45);
    font-size: 0.9rem;
    padding: 10px 12px;
  }

  .hero-grid h1 {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
  }

  .section-head h2,
  .info-card h2,
  .contact-panel h2 {
    font-size: 1.35rem;
  }

  .contact-panel li strong {
    word-break: break-word;
  }
}

@media (max-width: 520px) {
  .main-nav {
    grid-template-columns: 1fr;
  }

  .topbar-row {
    min-height: auto;
    padding: 10px 0;
  }

  .hero-card {
    border-radius: 14px;
  }

  .info-card,
  .contact-panel {
    padding: 14px;
  }
}