/* ═══════════════════════════════════════════════════════════
   PROBOTICS — style.css
   Dark tech theme · Inter + JetBrains Mono
═══════════════════════════════════════════════════════════ */

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

:root {
  --bg:        #080c14;
  --bg-2:      #0d1220;
  --bg-card:   #111827;
  --bg-card-h: #151e2e;
  --border:    rgba(255,255,255,0.07);
  --border-h:  rgba(99,179,237,0.35);

  --blue:      #3b82f6;
  --blue-l:    #60a5fa;
  --cyan:      #22d3ee;
  --cyan-d:    #06b6d4;

  --text:      #e2e8f0;
  --text-2:    #94a3b8;
  --text-3:    #64748b;

  --grad:      linear-gradient(135deg, #3b82f6, #22d3ee);
  --grad-glow: linear-gradient(135deg, rgba(59,130,246,.15), rgba(34,211,238,.15));

  --radius:    12px;
  --radius-lg: 20px;
  --trans:     0.25s ease;

  --font:      'Inter', system-ui, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', monospace;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  background-image: radial-gradient(circle, rgba(99,179,237,.12) 1px, transparent 1px);
  background-size: 36px 36px;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography helpers ───────────────────────────────── */
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section base ─────────────────────────────────────── */
.section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 24px rgba(59,130,246,.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,.45);
}

.btn-ghost {
  background: rgba(8,12,20,0.5);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  background: rgba(255,255,255,.08);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Navigation ───────────────────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--trans), box-shadow var(--trans);
}
#header.scrolled {
  background: rgba(8,12,20,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}
.logo-bracket { color: var(--cyan); font-weight: 700; font-size: 1.3em; }
.logo-accent  { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cyan);
  transition: color var(--trans), background var(--trans);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.05); }

.nav-link.nav-cta {
  background: var(--grad);
  color: #fff;
  padding: 8px 18px;
  box-shadow: 0 2px 16px rgba(59,130,246,.25);
}
.nav-link.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59,130,246,.4);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 200;
}
.nav-burger span {
  display: block;
  width: 28px; height: 3px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--trans);
}
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 60px;
  background-image: linear-gradient(to bottom, rgba(8,12,20,0.6) 0%, rgba(8,12,20,0.8) 100%), url('bg-hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  display: none;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: -150px; left: -100px;
  opacity: 0.3;
  animation: floatGlow1 8s ease-in-out infinite;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #22d3ee, transparent 70%);
  bottom: -100px; right: -50px;
  opacity: 0.25;
  animation: floatGlow2 10s ease-in-out infinite;
}

@keyframes floatGlow1 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
  50%       { transform: translate(40px, 30px) scale(1.1); opacity: 0.45; }
}
@keyframes floatGlow2 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.25; }
  50%       { transform: translate(-30px, -40px) scale(1.15); opacity: 0.4; }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(34,211,238,0.4);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
  background: rgba(8,12,20,0.6);
  text-shadow: 0 1px 6px rgba(0,0,0,0.8);
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .4; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: #fff;
  font-weight: 500;
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
  text-shadow: 0 1px 8px rgba(0,0,0,0.8);
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-plus { font-size: 1.3rem; }
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--cyan));
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── Problems ─────────────────────────────────────────── */
.problems { background: rgba(13,18,32,0.85); }

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--trans);
  position: relative;
}
.problem-card:hover {
  border-color: rgba(248,113,113,0.3);
  background: var(--bg-card-h);
  transform: translateY(-3px);
}

.problem-icon {
  width: 44px; height: 44px;
  color: rgba(248,113,113,0.8);
  margin-bottom: 16px;
}
.problem-icon svg { width: 100%; height: 100%; }

.problem-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.problem-desc {
  font-size: 0.86rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 16px;
}

.problem-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: 100px;
  color: rgba(248,113,113,0.9);
}

.problems-cta {
  text-align: center;
  padding: 32px;
  background: var(--grad-glow);
  border: 1px solid var(--border-h);
  border-radius: var(--radius-lg);
}
.problems-cta p {
  color: var(--text-2);
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.problems-cta p strong { color: var(--text); }

/* ── Case Studies ──────────────────────────────────────── */
.case-studies { background: transparent; }

.cases-slider-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.cases-slider {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-width: 0;
}

.cases-track {
  display: flex;
  gap: 24px;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.cases-track .case-card {
  flex-shrink: 0;
  /* width set by JS */
}

.cases-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
}

.cases-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans);
  flex-shrink: 0;
}
.cases-btn svg { width: 20px; height: 20px; }
.cases-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(34,211,238,0.08);
}
.cases-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.cases-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.cases-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  transition: all var(--trans);
  padding: 0;
}
.cases-dot.active {
  background: var(--cyan);
  width: 24px;
  border-radius: 4px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--trans);
}
.case-card:hover { border-color: var(--border-h); }

.case-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 28px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}

.case-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 600;
}

.case-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 100px;
  color: var(--cyan);
}

.case-title {
  font-size: 1.05rem;
  font-weight: 700;
  padding: 20px 28px 0;
  line-height: 1.4;
}

.case-body { padding: 20px 28px 28px; }

.case-block { margin-bottom: 16px; }

.case-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.case-block p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.65;
}

.case-result {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.case-result-item {
  text-align: center;
}

.case-result-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.case-result-item span:last-child {
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ── Services ─────────────────────────────────────────── */
.services { background: rgba(13,18,32,0.85); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--trans);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: attr(data-index);
  position: absolute;
  top: 20px; right: 24px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-3);
}
.service-card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(99,179,237,.12);
}

.service-card--highlight {
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(34,211,238,.08));
  border-color: rgba(59,130,246,.2);
}

.service-icon {
  width: 48px; height: 48px;
  color: var(--cyan);
  margin-bottom: 20px;
}
.service-icon svg { width: 100%; height: 100%; }

.service-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 18px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.2);
  border-radius: 100px;
  color: var(--cyan);
}

/* ── About ────────────────────────────────────────────── */
.about { background: transparent; position: relative; }
.about::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 90% 50%, rgba(59,130,246,.06), transparent);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content .section-tag { text-align: left; }
.about-content .section-title { text-align: left; }

.about-lead {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 16px;
  font-weight: 500;
  line-height: 1.65;
}
.about-text {
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 32px;
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.point-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.point strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
}
.point span {
  font-size: 0.85rem;
  color: var(--text-2);
}

/* Terminal widget */
.terminal {
  background: #0a0f1a;
  border: 1px solid rgba(34,211,238,.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.5), 0 0 0 1px rgba(34,211,238,.08);
}

.terminal-bar {
  background: rgba(255,255,255,.04);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-3);
}

.terminal-body {
  padding: 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.9;
}
.t-prompt { color: var(--cyan); margin-right: 6px; }
.t-cmd    { color: var(--blue-l); }
.t-out    { color: var(--text-2); padding-left: 16px; }
.t-ok     { color: #4ade80; }
.t-arr    { color: var(--text-2); }
.t-arr::before { content: '→ '; color: var(--text-3); }
.t-blink  { color: var(--cyan); animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Technologies ─────────────────────────────────────── */
.technologies { background: rgba(13,18,32,0.85); }

.tech-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: border-color var(--trans);
}
.tech-category:hover { border-color: var(--border-h); }

.tech-cat-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.tech-cat-icon {
  width: 18px; height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
}
.tech-cat-icon svg { width: 100%; height: 100%; }

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tech-pill {
  padding: 6px 14px;
  background: rgba(59,130,246,.08);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--blue-l);
  transition: all var(--trans);
}
.tech-pill:hover {
  background: rgba(59,130,246,.15);
  border-color: rgba(59,130,246,.4);
  transform: translateY(-1px);
}

/* ── Contact ──────────────────────────────────────────── */
.contact { background: transparent; position: relative; }
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 10% 50%, rgba(34,211,238,.05), transparent);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-item-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-l);
  flex-shrink: 0;
}
.contact-item-icon svg { width: 18px; height: 18px; }

.contact-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.contact-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--trans);
}
a.contact-value:hover { color: var(--cyan); }

.contact-cta-box {
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(34,211,238,.08));
  border: 1px solid rgba(59,130,246,.2);
  border-radius: var(--radius);
  padding: 20px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* Contact form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group:last-of-type { margin-bottom: 20px; }

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
}

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 11px 14px;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; padding-right: 36px; }
textarea { resize: vertical; min-height: 120px; }

.btn-full svg { width: 18px; height: 18px; }

.form-message {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  display: none;
}
.form-message.success {
  display: block;
  background: rgba(74,222,128,.1);
  border: 1px solid rgba(74,222,128,.3);
  color: #4ade80;
}
.form-message.error {
  display: block;
  background: rgba(248,113,113,.1);
  border: 1px solid rgba(248,113,113,.3);
  color: #f87171;
}

/* ── Footer ───────────────────────────────────────────── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo p {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-2);
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--cyan); }
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ── Scroll reveal ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid    { grid-template-columns: 1fr; }
  .about-grid    { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid  { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 40px; }

  .container { padding: 0 16px; }

  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: linear-gradient(135deg, rgba(59,130,246,0.95), rgba(34,211,238,0.9));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    border-top: 1px solid rgba(255,255,255,0.1);
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s ease;
    box-shadow: 0 16px 40px rgba(0,0,0,0.6);
  }
  .nav-links.open { transform: translateY(0); visibility: visible; }
  .nav-link {
    width: 100%;
    text-align: left;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
  }
  .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
    border-left-color: var(--cyan);
  }
  .nav-burger { display: flex !important; }
  .nav-link.nav-cta {
    margin-top: 8px;
    background: rgba(255,255,255,0.2);
    color: #fff;
    text-align: center;
    border-left: none;
    border: 1px solid rgba(255,255,255,0.4);
    font-weight: 700;
  }
  .nav-link.nav-cta:hover {
    background: rgba(255,255,255,0.3);
    border-left: none;
  }

  .services-grid { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .case-result {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 12px 4px;
  }
  .case-result-item {
    flex: 1 1 28%;
    min-width: 0;
    word-break: break-word;
  }
  .service-card { padding: 24px; }

  /* Mobilon a nyílgombok a kártya alá kerülnek, a kártya teljes szélességet kap */
  .cases-slider-wrap {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
  }
  .cases-slider-wrap .cases-slider {
    order: -1;
    flex: 0 0 100%;
  }
  .case-header { padding: 16px 20px; }
  .case-title { padding: 16px 20px 0; font-size: 1rem; }
  .case-body { padding: 16px 20px 20px; }

  .tech-categories { grid-template-columns: 1fr; }

  .team-grid { grid-template-columns: 1fr !important; max-width: 100%; gap: 24px; }
  .team-photo-wrap { aspect-ratio: 4/5; }
  .team-info { padding: 20px; }
  .team-bio { font-size: 0.88rem; }

  .form-row { grid-template-columns: 1fr; }

  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }

  .terminal-body { padding: 16px; font-size: 0.75rem; overflow-x: auto; }

  .contact-form { padding: 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }

  .about-stat-item { padding: 24px 16px; }
  .about-stat-num { font-size: clamp(2rem, 8vw, 3rem); }
}

/* ── About stats card ────────────────────────────────── */
.about-stats-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--border);
}

.about-stat-item {
  background: var(--bg-card);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background var(--trans);
}

.about-stat-item:hover {
  background: var(--bg-card-h);
}

.about-stat-num {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  font-family: var(--font);
}

.about-stat-plus {
  font-size: 0.6em;
  vertical-align: super;
}

.about-stat-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.about-stat-desc {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.5;
}

/* ── Team ─────────────────────────────────────────────── */
.team { background: rgba(13,18,32,0.85); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 860px;
  margin: 0 auto;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--trans), transform var(--trans);
}

.team-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
}

.team-photo-wrap {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.team-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.4s ease;
  display: block;
}

.team-card:hover .team-photo {
  transform: scale(1.04);
}

.team-info {
  padding: 28px 28px 32px;
}

.team-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.team-role {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}

.team-bio {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.team-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.team-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--trans);
}

.team-contact-item:hover {
  color: var(--cyan);
}

.team-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--cyan);
}

@media (max-width: 480px) {
  .section { padding: 48px 0; }
  .hero-title { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .section-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .team-grid { max-width: 100%; }
  .team-photo-wrap { aspect-ratio: 4/5; }
  .team-info { padding: 20px; }
  .service-card { padding: 20px; }
  .contact-form { padding: 16px; }
  .footer-nav { gap: 16px; }
}