/* ================================================================
   АРТЕМ БАЗУНЦ — Личный лендинг
   Fonts: Russo One (display) + Syne (body) + JetBrains Mono (code)
   Palette: Dark Industrial — #07070E + #2DD4BF accent
   ================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Design tokens ── */
:root {
  --bg:   #07070E;
  --bg-1: #0C0C18;
  --bg-2: #111120;
  --bg-3: #191930;

  --accent:      #2DD4BF;
  --accent-lo:   rgba(45, 212, 191, 0.08);
  --accent-mid:  rgba(45, 212, 191, 0.18);
  --accent-glow: rgba(45, 212, 191, 0.28);

  --green:     #4ADE80;
  --green-dim: rgba(74, 222, 128, 0.85);
  --blue:      #60A5FA;

  --text:   #E8E8F0;
  --text-1: #9494B0;
  --text-2: #52516A;

  --border:    rgba(255, 255, 255, 0.055);
  --border-hi: rgba(255, 255, 255, 0.13);

  --r:    8px;
  --r-lg: 16px;
  --r-xl: 24px;

  --font:    'Syne', sans-serif;
  --display: 'Russo One', sans-serif;
  --mono:    'JetBrains Mono', monospace;
}

/* ── Grain texture ── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 900;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

/* ── Layout ── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

/* ── Decorative bg numbers ── */
.bg-num {
  position: absolute;
  top: -10px;
  right: -10px;
  font-family: var(--display);
  font-size: clamp(140px, 18vw, 260px);
  color: var(--text);
  opacity: 0.022;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.02em;
}

/* ── Typography ── */
.sec-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.sec-title {
  font-size: clamp(30px, 3.8vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.022em;
  margin-bottom: 48px;
}
.sec-title.no-mb { margin-bottom: 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.18s, box-shadow 0.18s, transform 0.18s, border-color 0.18s, color 0.18s;
  white-space: nowrap;
}
.btn-lg   { padding: 17px 36px; font-size: 16px; }
.btn-full { width: 100%; }

.btn-accent {
  background: var(--accent);
  color: #07080E;
  font-weight: 700;
}
.btn-accent:hover {
  background: #5DE8D8;
  box-shadow: 0 8px 40px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-accent:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-hi);
}
.btn-ghost:hover {
  background: var(--bg-2);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--accent-lo);
  border: 1px solid rgba(45, 212, 191, 0.25);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--accent);
  margin-bottom: 28px;
}
.badge-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pip 2s ease-in-out infinite;
}
@keyframes pip {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.8); }
}

/* ── NAV ── */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 18px 0;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
}
.nav.scrolled {
  background: rgba(7, 7, 14, 0.88);
  backdrop-filter: blur(22px) saturate(1.5);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--text);
  letter-spacing: 0.05em;
}
.lb { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-link {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-1);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.15s;
}
.nav-link:hover { color: var(--text); }

.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-dropdown-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-1);
  letter-spacing: 0.06em;
  line-height: inherit;
  transition: color 0.15s;
}
.nav-dropdown-btn:hover { color: var(--text); }

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  padding-top: 14px;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: 14px; left: 0; right: 0; bottom: 0;
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: var(--r);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  z-index: -1;
}

.nav-dropdown-menu > * {
  position: relative;
  z-index: 1;
  min-width: 240px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-dropdown-item:hover { background: var(--bg-3); }

.ndi-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.ndi-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.04em;
}

.nav-projects {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 20px;
  border-left: 1px solid var(--border-hi);
  border-right: 1px solid var(--border-hi);
}

.nav-project-link {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  opacity: 0.8;
  transition: opacity 0.15s;
}
.nav-project-link:hover { opacity: 1; }
.nav-project-arr {
  font-size: 11px;
  opacity: 0.7;
}

/* ── HERO ── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 75% 85% at 50% 50%, black, transparent 80%);
}

.hero-glow {
  position: absolute;
  top: 10%;
  right: -5%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.065) 0%, transparent 65%);
  filter: blur(70px);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* staggered entrance */
.hero-content > * {
  animation: heroIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-content > *:nth-child(1) { animation-delay: 0.06s; }
.hero-content > *:nth-child(2) { animation-delay: 0.15s; }
.hero-content > *:nth-child(3) { animation-delay: 0.24s; }
.hero-content > *:nth-child(4) { animation-delay: 0.33s; }
.hero-content > *:nth-child(5) { animation-delay: 0.42s; }
.hero-content > *:nth-child(6) { animation-delay: 0.51s; }
.hero-photo-wrap { animation: heroIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.42s both; }

@keyframes heroIn {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(64px, 9vw, 120px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ht-line { display: block; }
.ht-accent { color: var(--accent); }

.hero-role {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-1);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 440px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* ── Hero photo ── */
.hero-photo-wrap {
  position: relative;
}

.photo-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: top center;
  display: block;
  border-radius: var(--r-lg);
  filter: grayscale(15%) contrast(1.05);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 50%, rgba(7, 7, 14, 0.9) 100%),
    linear-gradient(135deg, rgba(45, 212, 191, 0.06) 0%, transparent 60%);
  border-radius: var(--r-lg);
}

/* Corner accent lines */
.photo-frame::before,
.photo-frame::after {
  content: '';
  position: absolute;
  z-index: 2;
}
.photo-frame::before {
  top: -1px; left: -1px;
  width: 40px; height: 40px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  border-radius: var(--r-lg) 0 0 0;
}
.photo-frame::after {
  bottom: -1px; right: -1px;
  width: 40px; height: 40px;
  border-bottom: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  border-radius: 0 0 var(--r-lg) 0;
}

.photo-decoration {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.photo-dec-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.4;
}
.photo-dec-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.1em;
}

.status-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(7, 7, 14, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green-dim);
  letter-spacing: 0.08em;
  z-index: 3;
}
.status-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pip 2s ease-in-out infinite;
}

/* ── Hero stats ── */
.hero-stats-row {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border-hi);
  border-radius: var(--r);
  overflow: hidden;
  width: fit-content;
}
.hstat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 20px;
  gap: 2px;
  background: var(--bg-1);
  transition: background 0.15s;
}
.hstat:hover { background: var(--bg-2); }
.hstat-val {
  font-family: var(--display);
  font-size: 20px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.02em;
}
.hstat-lbl {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-1);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.hstat-div {
  width: 1px;
  align-self: stretch;
  background: var(--border-hi);
}

/* ── MARQUEE ── */
.marquee-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  padding: 14px 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 28px;
  width: max-content;
  animation: scroll 32s linear infinite;
}
.marquee-track span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee-track i {
  color: var(--accent);
  font-style: normal;
  font-size: 16px;
  line-height: 1;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── ABOUT ── */
.about { background: var(--bg-1); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text {
  font-size: 16px;
  color: var(--text-1);
  line-height: 1.82;
  margin-bottom: 18px;
}
.about-text:last-of-type { margin-bottom: 28px; }

.about-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.value-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color 0.2s, background 0.2s;
}
.value-item:hover {
  background: var(--bg-3);
  border-color: rgba(45, 212, 191, 0.18);
}
.value-ico { font-size: 24px; flex-shrink: 0; margin-top: 1px; }
.value-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.value-item p {
  font-size: 13px;
  color: var(--text-1);
  font-family: var(--mono);
  line-height: 1.5;
}

/* ── EXPERIENCE ── */
.experience { background: var(--bg); }

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

.exp-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: background 0.2s, border-color 0.25s, transform 0.25s;
}
.exp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.25s;
}
.exp-card:hover {
  background: var(--bg-2);
  border-color: rgba(45, 212, 191, 0.18);
  transform: translateY(-3px);
}
.exp-card:hover::before { opacity: 1; }

.exp-icon { font-size: 32px; display: block; margin-bottom: 16px; }
.exp-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}
.exp-card p {
  font-size: 14px;
  color: var(--text-1);
  line-height: 1.7;
  margin-bottom: 18px;
}
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.exp-tags span {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 10px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 4px;
  color: var(--accent);
  background: var(--accent-lo);
  letter-spacing: 0.04em;
}

/* ── BACKEND ── */
.backend { background: var(--bg-1); }

.backend-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.backend-desc {
  font-size: 16px;
  color: var(--text-1);
  line-height: 1.82;
  margin-bottom: 18px;
}

.backend-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.backend-tags span {
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 4px;
  color: var(--accent);
  background: var(--accent-lo);
  letter-spacing: 0.04em;
}

.backend-cards {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bc-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 28px;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}
.bc-card:hover {
  background: var(--bg-3);
  border-color: rgba(45, 212, 191, 0.2);
}
.bc-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.14em;
  margin-bottom: 10px;
  opacity: 0.7;
}
.bc-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.bc-card p {
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.7;
  font-family: var(--mono);
}

/* ── STACK ── */
.stack { background: var(--bg-1); }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2px;
}

.stack-group {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px;
  transition: border-color 0.2s;
}
.stack-group:hover { border-color: rgba(45, 212, 191, 0.15); }

.sg-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sg-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.si {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-1);
  transition: color 0.15s;
}
.si:hover { color: var(--text); }
.si-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── COURSE ── */
.course { background: var(--bg); }

.course-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: center;
}

.course-desc {
  font-size: 17px;
  color: var(--text-1);
  line-height: 1.82;
  margin-top: 16px;
  margin-bottom: 24px;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.course-tags span {
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 4px;
  color: var(--accent);
  background: var(--accent-lo);
  letter-spacing: 0.04em;
}

.course-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.course-card {
  background: var(--bg-2);
  border: 1px solid rgba(45, 212, 191, 0.22);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow:
    0 0 0 1px rgba(45, 212, 191, 0.05),
    0 48px 96px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(45, 212, 191, 0.06);
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(45, 212, 191, 0.05), transparent);
  pointer-events: none;
}

.cc-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(250, 190, 50, 0.08);
  border: 1px solid rgba(250, 190, 50, 0.3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #FABE32;
  margin-bottom: 20px;
}

.cc-price {
  font-family: var(--display);
  font-size: 72px;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.cc-price sup {
  font-size: 28px;
  vertical-align: super;
  color: var(--text-1);
}

.cc-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.cc-feats {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 28px;
}

.cc-feat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-1);
}
.cc-feat:last-child { border-bottom: none; }
.cc-check {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--green-dim);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── CONTACT ── */
.contact { background: var(--bg-1); }

.contact-desc {
  font-size: 17px;
  color: var(--text-1);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-options {
  display: flex;
  max-width: 380px;
}

.contact-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.contact-card:hover { transform: translateY(-2px); }

.contact-tg {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: rgba(91, 163, 217, 0.06);
  border-color: rgba(91, 163, 217, 0.2);
  text-decoration: none;
  cursor: pointer;
}
.contact-tg:hover { border-color: rgba(91, 163, 217, 0.4); }

.cc-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(91, 163, 217, 0.12);
  border: 1px solid rgba(91, 163, 217, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5ba3d9;
  flex-shrink: 0;
}
.cc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}
.cc-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.05em;
}
.cc-arr {
  margin-left: auto;
  color: var(--text-2);
  font-size: 18px;
  transition: transform 0.2s, color 0.2s;
}
.contact-tg:hover .cc-arr {
  transform: translateX(4px);
  color: #5ba3d9;
}

.contact-form-card {
  background: var(--bg-2);
  padding: 28px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px 20px;
  text-align: center;
}
.cs-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--green-dim);
}
.contact-success p {
  font-size: 15px;
  color: var(--text-1);
}

/* ── FOOTER ── */
.footer {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
}
.footer-link {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.footer-link:hover { opacity: 1; }

/* ── Form elements ── */
.fg { display: flex; flex-direction: column; gap: 6px; }
.fg label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.fg input, .fg textarea {
  background: var(--bg-1);
  border: 1px solid var(--border-hi);
  border-radius: var(--r);
  padding: 12px 14px;
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.18s, box-shadow 0.18s;
  resize: vertical;
  outline: none;
}
.fg input::placeholder, .fg textarea::placeholder { color: var(--text-2); }
.fg input:focus, .fg textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-lo);
}

/* ── Telegram button ── */
.btn-tg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(91, 163, 217, 0.1);
  border: 1px solid rgba(91, 163, 217, 0.25);
  color: #5ba3d9;
  border-radius: var(--r);
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}
.btn-tg:hover {
  background: rgba(91, 163, 217, 0.18);
  border-color: rgba(91, 163, 217, 0.45);
}

/* ── Narrow wrapper ── */
.narrow-wrap {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .course-inner     { grid-template-columns: 1fr; max-width: 600px; }
  .nav-links        { display: none; }
}

@media (max-width: 920px) {
  .hero-inner       { grid-template-columns: 1fr; gap: 48px; }
  .hero-photo-wrap  { order: -1; }
  .hero-photo       { height: 340px; }
  .hero-desc        { max-width: 100%; }
  .about-inner      { grid-template-columns: 1fr; gap: 40px; }
  .backend-inner    { grid-template-columns: 1fr; gap: 40px; }
  .contact-options  { grid-template-columns: 1fr; }
  .contact-tg       { order: -1; }
  .section          { padding: 80px 0; }
}

@media (max-width: 600px) {
  .hero-title       { font-size: 56px; }
  .hero-cta         { flex-direction: column; }
  .hero-cta .btn    { width: 100%; }
  .hero-stats-row   { width: 100%; flex-wrap: wrap; }
  .hstat            { flex: 1; min-width: 80px; }
  .exp-grid         { grid-template-columns: 1fr; }
  .stack-grid       { grid-template-columns: 1fr 1fr; }
  .cc-price         { font-size: 56px; }
  .bg-num           { font-size: 110px; }
  .footer-inner     { flex-direction: column; gap: 8px; text-align: center; }
}