/* Альтера — кастомные стили поверх Tailwind */

:root {
  --accent: #e8a020;
  --accent-dark: #c47e10;
  --accent-glow: rgba(232,160,32,0.25);
  --dark: #0a1420;
  --dark-card: #111e2d;
  --dark-card2: #0f1b28;
  --dark-border: #1a2e44;
}

html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }

/* ─── Header ─────────────────────────────── */
#site-header {
  transition: background 0.35s, box-shadow 0.35s, backdrop-filter 0.35s;
}
#site-header.scrolled {
  background: rgba(10, 20, 32, 0.97);
  box-shadow: 0 2px 24px rgba(0,0,0,0.55);
  backdrop-filter: blur(12px);
}

/* ─── Hamburger ───────────────────────────── */
#mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}
#mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
#mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ────────────────────────────────── */
#hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

#hero-bg {
  position: absolute;
  inset: -10%;          /* extra room for parallax */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: transform;
}

/* Multi-layer overlay: dark left panel + warm vignette */
#hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg,
      rgba(5,12,22,0.92) 0%,
      rgba(5,12,22,0.75) 45%,
      rgba(5,12,22,0.30) 100%),
    radial-gradient(ellipse at 80% 50%, rgba(232,160,32,0.06) 0%, transparent 65%);
}

/* Animated scan-line shine */
#hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.012) 3px,
    rgba(255,255,255,0.012) 4px
  );
  pointer-events: none;
}

/* ─── Hero canvas (tech particles) ─────── */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* ─── Hero scan-line ────────────────────── */
.hero-scanline {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(232,160,32,0.15) 25%, rgba(232,160,32,0.4) 50%, rgba(232,160,32,0.15) 75%, transparent 100%);
  z-index: 3;
  animation: scandown 9s linear infinite;
  pointer-events: none;
}
@keyframes scandown {
  0%   { top: 0;    opacity: 0; }
  4%   { opacity: 1; }
  96%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ─── Badge pulse ring ──────────────────── */
.badge-pulse { position: relative; }
.badge-pulse::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 9999px;
  border: 1px solid rgba(232,160,32,0.55);
  animation: badge-ring 2.6s ease-out infinite;
  pointer-events: none;
}
@keyframes badge-ring {
  0%   { transform: scale(1);    opacity: 0.9; }
  100% { transform: scale(1.28); opacity: 0; }
}

/* ─── Glitch text ───────────────────────── */
.text-glitch { position: relative; }
.text-glitch::before,
.text-glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
  pointer-events: none;
}
.text-glitch::before {
  color: rgba(0,230,230,0.7);
  animation: glitch-l 7s 1.5s infinite;
}
.text-glitch::after {
  color: rgba(255,30,80,0.65);
  animation: glitch-r 7s 1.65s infinite;
}
@keyframes glitch-l {
  0%,88%,100% { opacity:0; transform:translate(0); clip-path:none; }
  89% { opacity:1; transform:translate(-4px, 1px);  clip-path:inset(20% 0 50% 0); }
  91% { opacity:1; transform:translate( 2px,-2px);  clip-path:inset(55% 0 10% 0); }
  93% { opacity:0; }
}
@keyframes glitch-r {
  0%,88%,100% { opacity:0; transform:translate(0); clip-path:none; }
  89% { opacity:1; transform:translate( 4px,-1px);  clip-path:inset(40% 0 30% 0); }
  91% { opacity:1; transform:translate(-3px, 2px);  clip-path:inset(10% 0 60% 0); }
  93% { opacity:0; }
}

/* ─── Hero stat panel ───────────────────── */
/* Full-hero wires canvas */
#hero-wires-full {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 9;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.wires-stat-wrap {
  position: absolute;
  right: clamp(1.5rem, 5vw, 4.5rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}
.hero-stat-panel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.hero-stat-card {
  background: rgba(6, 15, 25, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(232,160,32,0.18);
  border-radius: 14px;
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 118px;
  position: relative;
  overflow: visible;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.hero-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.hero-stat-card:hover {
  border-color: rgba(232,160,32,0.45);
  box-shadow: 0 0 28px rgba(232,160,32,0.14);
  transform: translateX(-5px);
}
.hero-stat-num {
  display: block;
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 20px rgba(232,160,32,0.45);
}
.hero-stat-label {
  display: block;
  font-size: 0.63rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-top: 0.3rem;
}

/* ─── Stat card decorations ─────────────── */
.stat-antenna,
.stat-connector,
.stat-legs {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}
.stat-antenna  { bottom: 100%; margin-bottom: 4px; }
.stat-connector{ bottom: 100%; }
.stat-legs     { top: 100%; }

.ant-led { animation: ant-signal 1.0s ease-in-out infinite alternate; }
.ant-w1  { animation: ant-signal 2.4s 0.00s ease-in-out infinite; }
.ant-w2  { animation: ant-signal 2.4s 0.50s ease-in-out infinite; }
.ant-w3  { animation: ant-signal 2.4s 1.00s ease-in-out infinite; }
@keyframes ant-signal {
  0%, 100% { opacity: 0.06; }
  50%       { opacity: 1; }
}

/* ─── Hero wires keyframes ─────────────── */
@keyframes hw-flow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -1200; }
}
@keyframes hw-spark {
  from { opacity: 0.15; r: 2; }
  to   { opacity: 1;    r: 5; }
}

/* ─── Hero decorative accent bar ─────────── */
.hero-accent-bar {
  display: inline-block;
  width: 4px;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

/* ─── Accent line ────────────────────────── */
.accent-line {
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  border-radius: 2px;
  margin: 0 auto 1.5rem;
}
.accent-line-left { margin-left: 0; }

/* ─── Cards — glassmorphism ──────────────── */
.service-card {
  background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-card2) 100%);
  border: 1px solid var(--dark-border);
  transition: transform 0.35s cubic-bezier(.22,.61,.36,1),
              box-shadow 0.35s, border-color 0.35s;
  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), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px rgba(232,160,32,0.2);
  border-color: rgba(232,160,32,0.4);
}
.service-card:hover::before { opacity: 1; }

.advantage-card {
  background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-card2) 100%);
  border: 1px solid var(--dark-border);
  transition: transform 0.35s cubic-bezier(.22,.61,.36,1),
              box-shadow 0.35s, border-color 0.35s;
}
.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  border-color: rgba(232,160,32,0.4);
}

/* ─── What-we-do cards ───────────────────── */
.what-card {
  background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-card2) 100%);
  border: 1px solid var(--dark-border);
  transition: transform 0.35s cubic-bezier(.22,.61,.36,1),
              box-shadow 0.35s, border-color 0.35s;
}
.what-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.4);
  border-color: rgba(232,160,32,0.3);
}

/* ─── Icon glow ──────────────────────────── */
.icon-wrap {
  position: relative;
}
.icon-wrap::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
}
.advantage-card:hover .icon-wrap::after,
.service-card:hover .icon-wrap::after { opacity: 1; }

/* ─── Form inputs ─────────────────────────── */
.form-input {
  width: 100%;
  background: rgba(20, 40, 60, 0.8);
  border: 1px solid var(--dark-border);
  color: #e2e8f0;
  padding: 0.8rem 1.1rem;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  font-size: 0.95rem;
  font-family: inherit;
}
.form-input::placeholder { color: #4d6f8a; }
.form-input:focus {
  border-color: var(--accent);
  background: rgba(20, 40, 60, 1);
  box-shadow: 0 0 0 3px rgba(232,160,32,0.18), 0 4px 20px rgba(0,0,0,0.3);
}

/* ─── Buttons ─────────────────────────────── */
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #0a1420;
  font-weight: 700;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
  display: inline-block;
  text-decoration: none;
  letter-spacing: 0.04em;
  font-family: inherit;
  font-size: inherit;
}
.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(232,160,32,0.4);
  filter: brightness(1.08);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.2s;
  display: inline-block;
  letter-spacing: 0.04em;
  font-family: inherit;
  font-size: inherit;
}
.btn-outline:hover {
  background: var(--accent);
  color: #0a1420;
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(232,160,32,0.3);
}

/* ─── Section titles ─────────────────────── */
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #f1f5f9;
  letter-spacing: 0.04em;
  text-align: center;
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

/* ─── Modal ──────────────────────────────── */
#modal-overlay {
  transition: opacity 0.25s;
}
#modal-overlay.hidden { display: none; }

/* ─── Hero CSS entrance animation (no JS needed) ── */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-item {
  opacity: 0;
  animation: hero-enter 0.75s cubic-bezier(.22,.61,.36,1) forwards;
}

/* ─── Scroll fade-in ─────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s cubic-bezier(.22,.61,.36,1),
              transform 0.65s cubic-bezier(.22,.61,.36,1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Stat counter ───────────────────────── */
.stat-number {
  background: linear-gradient(135deg, var(--accent) 0%, #f5c842 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
}

/* ─── Nav link ─────────────────────────────── */
nav a { transition: color 0.2s; }
nav a.active, nav a:hover { color: var(--accent); }

/* ─── Partners marquee ───────────────────── */
.marquee-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  animation: marquee-scroll 28s linear infinite;
  width: max-content;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-wrap {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.partner-logo {
  height: 44px;
  width: auto;
  filter: grayscale(1) brightness(1.6) invert(0);
  opacity: 0.55;
  transition: filter 0.3s, opacity 0.3s, transform 0.3s;
  flex-shrink: 0;
}
.partner-logo:hover {
  filter: grayscale(0) brightness(1.1);
  opacity: 1;
  transform: scale(1.08);
}

/* ─── Section divider ────────────────────── */
.wave-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg { display: block; }

/* ─── Number badge ───────────────────────── */
.step-badge {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: #0a1420;
  font-weight: 900;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ─── Floating CTA btn (mobile) ──────────── */
#floating-cta {
  transition: opacity 0.3s, transform 0.3s;
}
#floating-cta.hidden-cta {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}