/* ─────────────────────────────────────────────
   EchoFiltering — styles.css
   Premium dark design system + light mode + i18n controls
───────────────────────────────────────────── */

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #070b14;
  --bg-2:       #0d1325;
  --bg-3:       #111827;
  --surface:    #141c2e;
  --surface-2:  #1a2540;
  --border:     rgba(255,255,255,0.07);
  --border-glow:rgba(56,189,248,0.25);
  --blue:       #38bdf8;
  --indigo:     #6366f1;
  --purple:     #a78bfa;
  --pink:       #f472b6;
  --teal:       #2dd4bf;
  --text:       #f0f4ff;
  --text-2:     #94a3b8;
  --text-3:     #4b5675;
  --grad-blue:  linear-gradient(135deg, #38bdf8, #6366f1);
  --grad-purple:linear-gradient(135deg, #a78bfa, #f472b6);
  --grad-teal:  linear-gradient(135deg, #2dd4bf, #38bdf8);
  --radius:     16px;
  --radius-sm:  10px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── Utility ─── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section { padding: 96px 0; }

/* ─── NAVBAR ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(7,11,20,0.6);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(7,11,20,0.92);
  border-bottom-color: var(--border-glow);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--text);
}
.logo-icon { display: flex; align-items: center; }
.logo-text { font-family: 'Space Grotesk', sans-serif; font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.logo-accent { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  color: var(--text-2); text-decoration: none;
  font-size: 0.925rem; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-cta {
  background: var(--grad-blue);
  color: #fff !important;
  font-weight: 600;
  padding: 9px 22px;
  margin-left: 4px;
  border-radius: 10px;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); background: rgba(255,255,255,0.06) !important; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding-top: 68px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; }
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 40%, rgba(56,189,248,0.12) 0%, transparent 70%),
              linear-gradient(to bottom, transparent 60%, var(--bg) 100%);
}
.particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute; border-radius: 50%;
  background: var(--blue); opacity: 0;
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-120px) scale(1); }
}

.hero-content {
  position: relative; z-index: 1;
  text-align: center; max-width: 820px;
  padding: 40px 24px;
  animation: fade-up 0.9s ease both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.3);
  color: var(--blue);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 7px 18px; border-radius: 999px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: var(--text-2); max-width: 600px; margin: 0 auto 36px;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-bottom: 56px; flex-wrap: wrap; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 12px;
  font-size: 0.95rem; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--grad-blue);
  color: #fff;
  box-shadow: 0 4px 24px rgba(56,189,248,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(56,189,248,0.45); }
.btn--purple {
  background: var(--grad-purple);
  box-shadow: 0 4px 24px rgba(167,139,250,0.3);
}
.btn--purple:hover { box-shadow: 0 8px 32px rgba(167,139,250,0.45); }
.btn-ghost {
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.15); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--blue);
}
.btn-outline:hover { background: rgba(56,189,248,0.08); border-color: var(--blue); }

/* Hero Stats */
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 32px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem; font-weight: 700;
  background: var(--grad-blue);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.8rem; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  z-index: 1;
}
.scroll-arrow {
  width: 22px; height: 22px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  animation: scroll-bounce 1.5s ease infinite;
  opacity: 0.5;
}
@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

/* ─── SECTION HEADER ─── */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue);
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  padding: 5px 16px; border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub { font-size: 1.05rem; color: var(--text-2); max-width: 560px; margin: 0 auto; }

/* ─── SERVICES SECTION ─── */
.services-section { background: var(--bg); }

.service-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  margin-bottom: 28px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(56,189,248,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.service-card:hover { border-color: var(--border-glow); transform: translateY(-3px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.service-card--featured { border-color: rgba(56,189,248,0.15); }

.service-card-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  align-items: center;
}
.service-card-inner--reverse .service-content { order: 2; }
.service-card-inner--reverse .service-visual { order: 1; }

.service-content { padding: 56px 48px; }
.service-visual {
  padding: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.2);
  min-height: 340px;
}

.service-icon-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.service-icon {
  width: 60px; height: 60px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}
.service-icon--purple {
  background: rgba(167,139,250,0.1);
  border-color: rgba(167,139,250,0.2);
}
.service-icon--teal {
  background: rgba(45,212,191,0.1);
  border-color: rgba(45,212,191,0.2);
}
.service-badge {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--blue);
  background: rgba(56,189,248,0.1); border: 1px solid rgba(56,189,248,0.2);
  padding: 4px 12px; border-radius: 999px;
}
.service-badge--purple { color: var(--purple); background: rgba(167,139,250,0.1); border-color: rgba(167,139,250,0.2); }

.service-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.service-desc { color: var(--text-2); font-size: 1rem; line-height: 1.75; margin-bottom: 28px; }

.feature-list { list-style: none; margin-bottom: 36px; }
.feature-list li {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-2); font-size: 0.92rem;
  padding: 6px 0; border-bottom: 1px solid var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-check { color: var(--blue); font-size: 0.7rem; flex-shrink: 0; }
.feature-check--purple { color: var(--purple); }
.feature-check--teal { color: var(--teal); }

/* Visual cards */
.visual-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%; max-width: 320px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
}
.visual-card--dark { background: #0a0d14; }
.vc-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.vc-dots { display: flex; gap: 5px; }
.vc-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.vc-dots span:nth-child(1) { background: #ff5f57; }
.vc-dots span:nth-child(2) { background: #ffbd2e; }
.vc-dots span:nth-child(3) { background: #28ca41; }
.vc-title { font-size: 0.78rem; color: var(--text-2); font-weight: 500; }
.vc-rows { padding: 12px 0; }
.vc-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 18px;
  transition: background 0.2s;
}
.vc-row:hover { background: rgba(255,255,255,0.03); }
.vc-tag { font-size: 0.8rem; color: var(--text-2); font-family: monospace; }
.vc-val { font-size: 0.75rem; font-weight: 600; }
.vc-val.valid { color: #4ade80; }
.vc-val.warn  { color: #fbbf24; }
.vc-divider { height: 1px; background: var(--border); margin: 8px 18px; }
.vc-export {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px;
  background: rgba(56,189,248,0.07);
}
.vc-export span:first-child { font-size: 0.82rem; color: var(--blue); font-weight: 600; }
.vc-count { font-size: 0.75rem; color: var(--text-2); }

/* Broadcast visual */
.broadcast-stats {
  display: flex; justify-content: space-around;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
}
.bs-stat { text-align: center; }
.bs-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem; font-weight: 700;
  color: var(--purple);
}
.bs-label { font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; }
.progress-bar-wrap { padding: 16px 18px; }
.pb-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-2); margin-bottom: 8px; }
.pb-track { height: 6px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.pb-fill { height: 100%; background: var(--grad-purple); border-radius: 999px; transition: width 1s ease; }
.schedule-chip {
  display: flex; align-items: center; gap: 8px;
  margin: 0 18px 14px;
  font-size: 0.77rem; color: var(--text-2);
  background: rgba(255,255,255,0.04);
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--border);
}
.chip-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.chip-dot--green { background: #4ade80; box-shadow: 0 0 8px #4ade80; animation: pulse 2s ease infinite; }

/* Globe visual */
.service-visual--globe { background: transparent; }
.globe-visual {
  position: relative; width: 220px; height: 220px;
  display: flex; align-items: center; justify-content: center;
}
.globe-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid;
  animation: spin-ring linear infinite;
}
.globe-ring-1 { width: 220px; height: 220px; border-color: rgba(45,212,191,0.15); animation-duration: 20s; }
.globe-ring-2 { width: 170px; height: 170px; border-color: rgba(56,189,248,0.2); animation-duration: 14s; animation-direction: reverse; }
.globe-ring-3 { width: 120px; height: 120px; border-color: rgba(45,212,191,0.3); animation-duration: 9s; }
@keyframes spin-ring { from { transform: rotate(0deg) rotateX(60deg); } to { transform: rotate(360deg) rotateX(60deg); } }
.globe-center { position: relative; z-index: 2; }
.globe-dots { position: absolute; inset: 0; }
.gdot {
  position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 10px var(--teal);
  animation: gdot-pulse 3s ease infinite;
}
.gdot-1 { top: 20%; left: 72%; animation-delay: 0s; }
.gdot-2 { top: 60%; left: 15%; animation-delay: 0.6s; }
.gdot-3 { top: 75%; left: 65%; animation-delay: 1.2s; }
.gdot-4 { top: 28%; left: 25%; animation-delay: 1.8s; background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.gdot-5 { top: 50%; left: 50%; animation-delay: 2.4s; background: var(--purple); box-shadow: 0 0 10px var(--purple); }
@keyframes gdot-pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50%       { transform: scale(1.6); opacity: 0.4; }
}

/* ─── WHY SECTION ─── */
.why-section { background: var(--bg-2); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
}
.why-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.why-icon { font-size: 2rem; margin-bottom: 16px; }
.why-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem; font-weight: 600;
  margin-bottom: 8px;
}
.why-card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.65; }

/* ─── PRICING SECTION ─── */
.pricing-section { background: var(--bg); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; align-items: start;
}
.pricing-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 30px;
  position: relative; transition: var(--transition);
}
.pricing-card:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.pricing-card--featured {
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border-color: rgba(56,189,248,0.35);
  box-shadow: 0 0 40px rgba(56,189,248,0.08);
  transform: scale(1.03);
}
.pricing-card--featured:hover { transform: scale(1.03) translateY(-4px); }
.pc-popular {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad-blue);
  color: #fff; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 18px; border-radius: 999px;
  white-space: nowrap;
}
.pc-header { margin-bottom: 28px; }
.pc-header h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--text-2); margin-bottom: 12px;
}
.pc-price { display: flex; align-items: baseline; gap: 3px; }
.pc-currency { font-size: 1.3rem; color: var(--text-2); }
.pc-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem; font-weight: 800;
  background: var(--grad-blue); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.pc-period { font-size: 0.9rem; color: var(--text-2); }
.pc-price--custom { align-items: center; }
.pc-custom {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 700;
  background: var(--grad-blue); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.pc-features { list-style: none; margin-bottom: 32px; }
.pc-features li {
  font-size: 0.875rem; color: var(--text-2);
  padding: 9px 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.pc-features li:last-child { border-bottom: none; }
.pc-muted { opacity: 0.4; }
.pc-btn { width: 100%; justify-content: center; }
.pricing-note { text-align: center; margin-top: 32px; font-size: 0.85rem; color: var(--text-3); }

/* ─── FAQ SECTION ─── */
.faq-section { background: var(--bg-2); }
.faq-container { max-width: 760px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.3s;
}
.faq-item.open { border-color: var(--border-glow); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  background: none; border: none; cursor: pointer;
  color: var(--text); font-size: 0.98rem; font-weight: 600;
  text-align: left; gap: 12px;
}
.faq-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(56,189,248,0.1); border-radius: 6px;
  color: var(--blue); font-size: 1.2rem; font-weight: 400;
  transition: transform 0.3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.faq-a p {
  padding: 0 24px 22px;
  color: var(--text-2); font-size: 0.92rem; line-height: 1.75;
}

/* ─── CONTACT SECTION ─── */
.contact-section { background: var(--bg); }
.contact-container { max-width: 720px; }
.contact-cards { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.contact-card {
  display: flex; align-items: center; gap: 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 28px;
  text-decoration: none; color: var(--text);
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--border-glow);
  transform: translateX(6px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.35);
}
.contact-card--telegram:hover { border-color: rgba(34,158,217,0.5); }
.cc-icon { flex-shrink: 0; }
.cc-text { flex: 1; }
.cc-label { display: block; font-size: 0.75rem; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 3px; }
.cc-value { font-size: 1.1rem; font-weight: 600; }
.cc-arrow { font-size: 1.5rem; color: var(--text-3); transition: var(--transition); }
.contact-card:hover .cc-arrow { color: var(--blue); transform: translateX(4px); }
.contact-note {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--text-2);
  justify-content: center;
}

/* ─── FOOTER ─── */
.footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
  display: flex; gap: 60px; justify-content: space-between; flex-wrap: wrap;
  margin-bottom: 48px;
}
.footer-brand { max-width: 260px; }
.footer-tagline { color: var(--text-2); font-size: 0.88rem; margin-top: 12px; line-height: 1.6; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 4px; }
.footer-col a { text-decoration: none; color: var(--text-2); font-size: 0.875rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
  font-size: 0.8rem; color: var(--text-3);
  max-width: 1160px; margin: 0 auto;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .service-card-inner { grid-template-columns: 1fr; }
  .service-card-inner--reverse .service-content { order: 1; }
  .service-card-inner--reverse .service-visual { order: 2; }
  .service-content { padding: 36px 28px; }
  .service-visual { min-height: 200px; padding: 32px; }
  .why-grid { grid-template-columns: repeat(2,1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
  .hero-stats { gap: 20px; }
}
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: rgba(7,11,20,0.97); padding: 20px 24px; gap: 4px; border-bottom: 1px solid var(--border); backdrop-filter: blur(18px); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { gap: 32px; }
  .section { padding: 72px 0; }
}

/* ═══════════════════════════════════════════
   LIGHT THEME
═══════════════════════════════════════════ */
[data-theme="light"] {
  --bg:         #f0f4ff;
  --bg-2:       #e8edf8;
  --bg-3:       #dde4f5;
  --surface:    #ffffff;
  --surface-2:  #f4f7ff;
  --border:     rgba(0,0,0,0.09);
  --border-glow:rgba(56,189,248,0.45);
  --text:       #0f172a;
  --text-2:     #475569;
  --text-3:     #94a3b8;
}
[data-theme="light"] .navbar {
  background: rgba(240,244,255,0.75);
}
[data-theme="light"] .navbar.scrolled {
  background: rgba(240,244,255,0.96);
}
/* Keep hero always dark */
[data-theme="light"] .hero {
  --bg: #070b14; --bg-2: #0d1325; --bg-3: #111827;
  --surface: #141c2e; --text: #f0f4ff; --text-2: #94a3b8;
}
[data-theme="light"] .visual-card--dark { background: #0a0d14; }
[data-theme="light"] .service-visual { background: rgba(0,0,0,0.04); }
[data-theme="light"] .btn-ghost {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.12);
  color: var(--text);
}
[data-theme="light"] .btn-ghost:hover { background: rgba(0,0,0,0.09); }
[data-theme="light"] .nav-links {
  background: rgba(240,244,255,0.97);
}

/* ═══════════════════════════════════════════
   HIGH CONTRAST
═══════════════════════════════════════════ */
[data-hc="true"] {
  --text: #ffffff; --text-2: #e0e0e0; --text-3: #bdbdbd;
  --bg: #000; --bg-2: #0a0a0a; --bg-3: #111;
  --surface: #0d0d0d; --surface-2: #141414;
  --border: rgba(255,255,255,0.4);
  --border-glow: rgba(56,189,248,0.8);
}
[data-theme="light"][data-hc="true"] {
  --text: #000; --text-2: #111; --text-3: #333;
  --bg: #fff; --bg-2: #f5f5f5; --bg-3: #ebebeb;
  --surface: #fff; --border: rgba(0,0,0,0.5);
}

/* ═══════════════════════════════════════════
   NAV CONTROLS (lang + theme + a11y)
═══════════════════════════════════════════ */
.nav-controls {
  display: flex; align-items: center; gap: 6px; margin-left: 12px;
}

/* Language switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 7px 12px; cursor: pointer;
  color: var(--text); font-size: 0.82rem; font-weight: 600;
  transition: var(--transition);
}
.lang-btn:hover { border-color: var(--border-glow); }
.lang-flag { font-size: 1rem; line-height: 1; }
.lang-code { letter-spacing: 0.04em; }
.lang-chevron { color: var(--text-2); transition: transform 0.2s; }
.lang-switcher.open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100; min-width: 140px;
}
.lang-switcher.open .lang-dropdown {
  opacity: 1; pointer-events: all; transform: translateY(0);
}
.lang-option {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 11px 16px;
  background: none; border: none; cursor: pointer;
  color: var(--text); font-size: 0.87rem; font-weight: 500;
  text-align: left; transition: background 0.15s;
}
.lang-option:hover { background: rgba(56,189,248,0.09); }
.lang-option.active { color: var(--blue); font-weight: 700; }

/* Theme toggle */
.theme-toggle {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; color: var(--text-2);
  transition: var(--transition);
}
.theme-toggle:hover { border-color: var(--border-glow); color: var(--blue); }

/* Accessibility button */
.a11y-btn {
  height: 38px; padding: 0 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; color: var(--text-2);
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.02em;
  transition: var(--transition);
}
.a11y-btn:hover { border-color: var(--border-glow); color: var(--blue); }
.a11y-btn.active { border-color: var(--blue); color: var(--blue); background: rgba(56,189,248,0.08); }

/* ═══════════════════════════════════════════
   ACCESSIBILITY PANEL
═══════════════════════════════════════════ */
.a11y-panel {
  position: fixed; bottom: 24px; right: 24px; z-index: 1000;
  background: var(--surface); border: 1px solid var(--border-glow);
  border-radius: 16px; padding: 0; min-width: 260px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45);
  opacity: 0; pointer-events: none;
  transform: translateY(12px) scale(0.97);
  transition: opacity 0.25s, transform 0.25s;
  overflow: hidden;
}
.a11y-panel.open {
  opacity: 1; pointer-events: all; transform: translateY(0) scale(1);
}
.a11y-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: rgba(56,189,248,0.06);
  font-size: 0.82rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--blue);
}
.a11y-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-2); font-size: 1.4rem; line-height: 1;
  padding: 0 2px; transition: color 0.2s;
}
.a11y-close:hover { color: var(--text); }
.a11y-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  gap: 16px;
}
.a11y-row:last-child { border-bottom: none; }
.a11y-row > span { font-size: 0.88rem; color: var(--text-2); font-weight: 500; }
.a11y-font-controls { display: flex; gap: 6px; }
.a11y-font-btn {
  width: 34px; height: 30px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 7px; cursor: pointer; color: var(--text);
  font-weight: 700; font-size: 0.78rem;
  transition: var(--transition); display: flex; align-items: center; justify-content: center;
}
.a11y-font-btn:hover { border-color: var(--blue); color: var(--blue); }
.a11y-font-btn:nth-child(2) { font-size: 0.7rem; color: var(--text-2); }
.a11y-toggle-btn {
  padding: 6px 14px; border-radius: 8px;
  background: var(--bg-2); border: 1px solid var(--border);
  cursor: pointer; color: var(--text-2); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em; transition: var(--transition);
}
.a11y-toggle-btn.on {
  background: rgba(56,189,248,0.12);
  border-color: var(--blue); color: var(--blue);
}

/* Mobile adjustments for controls */
@media (max-width: 640px) {
  .nav-controls { gap: 4px; margin-left: 6px; }
  .lang-code { display: none; }
  .lang-btn { padding: 7px 9px; }
  .a11y-btn span { font-size: 0.75rem; }
  .a11y-panel { right: 12px; bottom: 12px; min-width: calc(100vw - 24px); }
}