/* =============================================
   MH-SAT Theme – assets/css/main.css
   HORSKY Studio 2026
   ============================================= */

:root {
  --sky-deep: #050e1f;
  --sky-mid: #0a2040;
  --sky-blue: #1565c0;
  --sky-bright: #1e88e5;
  --sky-light: #42a5f5;
  --sky-glow: #64b5f6;
  --accent: #2979ff;
  --accent-bright: #5cbbff;
  --white: #ffffff;
  --white-soft: rgba(255,255,255,0.85);
  --white-dim: rgba(255,255,255,0.6);
  --card-bg: rgba(255,255,255,0.06);
  --card-border: rgba(100,181,246,0.2);
  --font-display: 'Exo 2', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--sky-deep);
  color: var(--white);
  overflow-x: hidden;
}

/* ---- SKY BACKGROUND ---- */
.sky-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, #1565c0 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 80% 20%, #0d47a1 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 20% 30%, #0a3060 0%, transparent 50%),
    linear-gradient(180deg, #0d1f3c 0%, #050e1f 40%, #020810 100%);
  pointer-events: none;
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: twinkle var(--dur, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
  opacity: 0;
}

@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.8); }
  50% { opacity: var(--max-op, 0.8); transform: scale(1.1); }
}

.signal-waves {
  position: fixed;
  top: 15%;
  right: 8%;
  width: 120px;
  height: 120px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.15;
}

.wave-ring {
  position: absolute;
  border: 1.5px solid var(--sky-light);
  border-radius: 50%;
  animation: expand-wave 3s ease-out infinite;
  animation-delay: var(--wd, 0s);
  opacity: 0;
}
.wave-ring:nth-child(1) { --wd:0s;   width:30px;  height:30px;  top:45px; left:45px; }
.wave-ring:nth-child(2) { --wd:.6s;  width:60px;  height:60px;  top:30px; left:30px; }
.wave-ring:nth-child(3) { --wd:1.2s; width:90px;  height:90px;  top:15px; left:15px; }
.wave-ring:nth-child(4) { --wd:1.8s; width:120px; height:120px; top:0;    left:0;    }

@keyframes expand-wave {
  0%   { opacity:.8; transform:scale(.3); }
  100% { opacity:0;  transform:scale(1); }
}

/* ---- NAV ---- */
nav.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5,14,31,0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(100,181,246,0.1);
}
.nav-logo img { height: 44px; }
.nav-links { display:flex; gap:32px; list-style:none; }
.nav-links a {
  color: var(--white-dim);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: color .3s;
  position: relative;
}
.nav-links a::after {
  content:'';
  position:absolute;
  bottom:-4px; left:0;
  width:0; height:1px;
  background: var(--accent-bright);
  transition: width .3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width:100%; }
.nav-cta {
  background: var(--accent) !important;
  color: white !important;
  padding: 8px 22px !important;
  border-radius: 4px;
}
.nav-cta:hover { background: var(--accent-bright) !important; }
.nav-cta::after { display:none !important; }

/* ---- HERO ---- */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 80px 80px;
}
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(41,121,255,.15);
  border: 1px solid rgba(41,121,255,.35);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sky-glow);
  margin-bottom: 28px;
  animation: fadeUp .8s ease both;
}
.hero-badge::before {
  content:'';
  width:6px; height:6px;
  background: var(--accent-bright);
  border-radius:50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(.7); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px,5vw,68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 20px;
  animation: fadeUp .9s ease .1s both;
}
.hero h1 span { color: var(--sky-light); }
.hero-sub {
  font-size: 18px;
  color: var(--white-dim);
  line-height: 1.7;
  margin-bottom: 40px;
  animation: fadeUp 1s ease .2s both;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 1s ease .3s both;
}
.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  opacity: .18;
  pointer-events: none;
  animation: float-dish 6s ease-in-out infinite;
}
@keyframes float-dish {
  0%,100% { transform:translateY(-50%) rotate(-2deg); }
  50%      { transform:translateY(calc(-50% - 18px)) rotate(2deg); }
}
@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ---- BUTTONS ---- */
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--sky-blue) 100%);
  color: white;
  padding: 14px 32px;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .5px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .25s, box-shadow .25s;
  box-shadow: 0 4px 24px rgba(41,121,255,.4);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(41,121,255,.55);
}
.btn-secondary {
  background: transparent;
  color: var(--white-soft);
  padding: 14px 32px;
  border-radius: 6px;
  border: 1px solid rgba(100,181,246,.35);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .25s, background .25s, transform .25s;
}
.btn-secondary:hover {
  border-color: var(--accent-bright);
  background: rgba(41,121,255,.1);
  transform: translateY(-2px);
}

/* ---- SECTION COMMON ---- */
section { position:relative; z-index:2; }
.section-inner { max-width:1200px; margin:0 auto; padding:100px 40px; }
.section-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sky-glow);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px,3vw,44px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-desc {
  color: var(--white-dim);
  font-size: 17px;
  line-height: 1.7;
  max-width: 560px;
}
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(100,181,246,.25), transparent);
  margin: 0 40px;
  position: relative;
  z-index: 2;
}

/* ---- STATS ---- */
.stats-band {
  background: rgba(21,101,192,.12);
  border-top: 1px solid rgba(100,181,246,.12);
  border-bottom: 1px solid rgba(100,181,246,.12);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
  margin: 0 auto;
}
.stat-item {
  padding: 50px 40px;
  text-align: center;
  position: relative;
}
.stat-item + .stat-item::before {
  content:'';
  position:absolute;
  left:0; top:25%; bottom:25%;
  width:1px;
  background:rgba(100,181,246,.15);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 800;
  color: var(--sky-light);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}
.stat-label {
  font-size: 13px;
  color: var(--white-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* ---- SERVICES ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 24px;
  margin-top: 60px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 36px 30px;
  transition: transform .35s, background .35s, border-color .35s, box-shadow .35s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--accent-bright),transparent);
  transform:scaleX(0);
  transition:transform .4s;
}
.service-card:hover {
  transform: translateY(-6px);
  background: rgba(41,121,255,.1);
  border-color: rgba(100,181,246,.4);
  box-shadow: 0 16px 48px rgba(41,121,255,.2);
}
.service-card:hover::before { transform:scaleX(1); }
.service-icon {
  width:52px; height:52px;
  background:rgba(41,121,255,.15);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  font-size:26px;
  transition:background .3s, transform .3s;
}
.service-card:hover .service-icon {
  background:rgba(41,121,255,.25);
  transform:scale(1.1) rotate(5deg);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size:18px; font-weight:700;
  margin-bottom:10px;
}
.service-card p { color:var(--white-dim); font-size:14.5px; line-height:1.7; }

/* ---- GALLERY ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 16px;
  margin-top: 60px;
}
.gallery-item {
  border-radius:10px;
  overflow:hidden;
  position:relative;
  cursor:pointer;
  min-height:220px;
}
.gallery-item:first-child { grid-column:span 2; grid-row:span 2; min-height:400px; }
.gallery-item img {
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  transition:transform .5s, filter .5s;
  filter:brightness(.85) saturate(.9);
}
.gallery-item:hover img {
  transform:scale(1.05);
  filter:brightness(1) saturate(1.1);
}
.gallery-item::after {
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(to bottom,transparent 50%,rgba(5,14,31,.7) 100%);
  pointer-events:none;
}
.gallery-overlay {
  position:absolute;
  bottom:0; left:0; right:0;
  padding:20px; z-index:2;
  opacity:0; transform:translateY(10px);
  transition:opacity .3s, transform .3s;
}
.gallery-item:hover .gallery-overlay { opacity:1; transform:translateY(0); }
.gallery-overlay span {
  font-family:var(--font-display);
  font-size:13px; font-weight:600;
  letter-spacing:.5px;
  color:var(--sky-glow);
}

/* ---- PARTNERS ---- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 20px;
  margin-top: 60px;
}
.partner-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(100,181,246,.2);
  border-radius: 10px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: transform .3s, border-color .3s, background .3s;
}
.partner-item:hover {
  border-color: rgba(100,181,246,.4);
  background: rgba(41,121,255,.07);
  transform: translateY(-4px);
}
.partner-item img {
  max-width: 80%;
  max-height: 64px;
  object-fit: contain;
  filter: brightness(2) grayscale(.3);
  transition: filter .3s;
}
.partner-item:hover img { filter:brightness(2.5) grayscale(0); }
.partner-empty {
  border-style: dashed;
  opacity: .4;
  font-size: 13px;
  color: var(--sky-glow);
  text-align: center;
  font-family: var(--font-display);
  font-weight: 500;
}

/* ---- CONTACT ---- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700;
  margin-bottom: 24px;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-detail-icon {
  width:42px; height:42px;
  background:rgba(41,121,255,.15);
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:18px; flex-shrink:0;
}
.contact-detail p { color:var(--white-dim); font-size:14.5px; line-height:1.6; }
.contact-detail strong { color:white; display:block; margin-bottom:2px; font-weight:600; }
.form-group { margin-bottom: 16px; }
.form-group input,
.form-group textarea {
  width:100%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(100,181,246,.2);
  border-radius:8px;
  padding:13px 18px;
  color:white;
  font-family:var(--font-body);
  font-size:15px;
  outline:none;
  transition:border-color .3s, background .3s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color:rgba(255,255,255,.3); }
.form-group input:focus,
.form-group textarea:focus {
  border-color:var(--accent-bright);
  background:rgba(41,121,255,.07);
}
.form-group textarea { height:130px; resize:vertical; }

/* ---- FOOTER ---- */
footer.site-footer {
  position:relative; z-index:2;
  border-top:1px solid rgba(100,181,246,.1);
  padding:48px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-logo img { height:36px; opacity:.7; }
.footer-copy {
  font-size:13px;
  color:rgba(255,255,255,.35);
  text-align:center;
}
.footer-copy a {
  color:var(--sky-glow);
  text-decoration:none;
  transition:color .3s;
}
.footer-copy a:hover { color:var(--accent-bright); }
.footer-links { display:flex; gap:24px; }
.footer-links a {
  font-size:13px;
  color:rgba(255,255,255,.35);
  text-decoration:none;
  transition:color .3s;
}
.footer-links a:hover { color:var(--sky-glow); }

/* ---- REVEAL ANIMATION ---- */
.reveal {
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity:1; transform:none; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  nav.site-nav { padding:14px 20px; }
  .nav-links { gap:16px; }
  .hero { padding:100px 24px 60px; }
  .hero-visual { display:none; }
  .section-inner { padding:70px 24px; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .gallery-grid { grid-template-columns:1fr 1fr; }
  .gallery-item:first-child { grid-column:span 2; }
  .partners-grid { grid-template-columns:repeat(3,1fr); }
  .contact-wrap { grid-template-columns:1fr; }
  footer.site-footer { flex-direction:column; text-align:center; }
}
@media (max-width: 600px) {
  .nav-links { display:none; }
  .stats-grid { grid-template-columns:1fr; }
  .partners-grid { grid-template-columns:repeat(2,1fr); }
  .gallery-grid { grid-template-columns:1fr; }
  .gallery-item:first-child { grid-column:span 1; }
}