/* ============================================================
   OPBIOS — CSS Principal
   Brand: #a245ad (purple), #ffcc23 (yellow), #ec9601 (orange), #8e8e8e (gray)
   Fonts: Montserrat (body/slogan), Space Mono (accents/numbers)
   ============================================================ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --purple:   #a245ad;
  --purple-d: #7a3183;
  --purple-l: #c96fd4;
  --yellow:   #ffcc23;
  --yellow-d: #ec9601;
  --orange:   #ec9601;
  --gray:     #8e8e8e;
  --gray-l:   #b8b8b8;

  --bg:       #0a0a0f;
  --bg-2:     #0f0f17;
  --bg-3:     #13131e;
  --surface:  #1a1a28;
  --surface-2:#20202f;
  --border:   rgba(255,255,255,0.07);
  --border-h: rgba(162,69,173,0.35);

  --text:     #f0f0f8;
  --text-2:   #b0b0c8;
  --text-3:   #70708a;

  --font-main: 'Montserrat', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius:   12px;
  --radius-lg:20px;
  --shadow:   0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(162,69,173,0.2);

  --nav-h: 72px;
  --max-w: 1200px;
  --section-py: 100px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  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; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }

/* ── SELECTION ── */
::selection { background: var(--purple); color: white; }

/* ── UTILITY ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--yellow);
  background: rgba(255,204,35,0.1);
  border: 1px solid rgba(255,204,35,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}
.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--purple-l), var(--yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--purple), var(--purple-d));
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--purple-l);
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(162,69,173,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(162,69,173,0.5);
  background: linear-gradient(135deg, var(--purple-l), var(--purple));
}
.btn-primary svg { width: 18px; height: 18px; transition: transform 0.3s; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  color: var(--text-2);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-h);
  background: var(--surface);
}

/* ── NAVBAR ── */
.navbar { background: rgba(10,10,15,0.95);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
.navbar.scrolled {
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark svg { width: 38px; height: 38px; }
.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-cta {
  background: var(--purple) !important;
  color: white !important;
  padding: 9px 20px !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--purple-l) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(162,69,173,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(162,69,173,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.orb-1 { width: 500px; height: 500px; background: var(--purple); top: -100px; right: -100px; }
.orb-2 { width: 350px; height: 350px; background: var(--yellow-d); bottom: 50px; left: -80px; opacity: 0.12; }
.orb-3 { width: 200px; height: 200px; background: var(--purple-l); top: 40%; left: 30%; opacity: 0.1; }

.hero > * { position: relative; z-index: 1; }
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
.hero-bg { grid-column: 1/-1; grid-row: 1; position: absolute; }
.hero-content { grid-column: 1; grid-row: 1; }
.hero-visual { grid-column: 2; grid-row: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--yellow);
  background: rgba(255,204,35,0.08);
  border: 1px solid rgba(255,204,35,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  display: flex;
  flex-direction: column;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-title .accent-text {
  background: linear-gradient(135deg, var(--purple-l) 0%, var(--yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-plus { font-family: var(--font-mono); font-size: 1.2rem; color: var(--yellow); display: inline; }
.stat-label { font-size: 0.8rem; color: var(--text-3); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Hero animations */
.line-reveal { opacity: 0; transform: translateY(24px); animation: reveal 0.7s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }
.delay-5 { animation-delay: 0.65s; }
@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

/* Dashboard mockup */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.dashboard-mockup {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow), var(--shadow-glow);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
  width: 10px; height: 10px; border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #ff5f56; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }
.mockup-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  margin-left: 4px;
}
.mockup-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.chart-area { position: relative; background: var(--bg-3); border-radius: 10px; padding: 16px; height: 140px; overflow: hidden; }
.chart-bars { display: flex; align-items: flex-end; gap: 8px; height: 80px; margin-bottom: 8px; }
.bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, rgba(162,69,173,0.6), rgba(162,69,173,0.2));
  border-radius: 4px 4px 0 0;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
  animation: grow-bar 1.5s ease forwards;
  transform-origin: bottom;
}
.bar.active { background: linear-gradient(180deg, var(--purple), rgba(162,69,173,0.3)); }
@keyframes grow-bar {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}
.bar-label { font-size: 9px; color: var(--text-3); font-family: var(--font-mono); }
.chart-line { position: absolute; bottom: 16px; left: 16px; right: 16px; height: 50px; }
.chart-line svg { width: 100%; height: 100%; }

.kpi-row { display: flex; gap: 8px; }
.kpi {
  flex: 1;
  background: var(--bg-3);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-val { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: var(--yellow); }
.kpi-lbl { font-size: 0.7rem; color: var(--text-3); }

.process-row { display: flex; align-items: center; gap: 8px; }
.process-node {
  flex: 1;
  text-align: center;
  padding: 8px;
  background: var(--bg-3);
  border-radius: 8px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.process-node.active {
  background: rgba(162,69,173,0.15);
  border-color: var(--purple);
  color: var(--purple-l);
}
.process-arrow { color: var(--text-3); font-size: 0.8rem; }

/* ── CLIENTS STRIP ── */
.clients-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 20px 0;
  overflow: hidden;
}
.clients-inner { display: flex; align-items: center; gap: 32px; white-space: nowrap; }
.clients-label {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-left: 24px;
}
.clients-scroll {
  display: flex;
  gap: 48px;
  animation: scroll-x 20s linear infinite;
  will-change: transform;
}
.clients-scroll span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.clients-scroll span:hover { color: var(--yellow); }
@keyframes scroll-x {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SERVICES ── */
.services { padding: var(--section-py) 0; background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.4s ease;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(162,69,173,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.service-card:hover { border-color: var(--border-h); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  border-color: rgba(162,69,173,0.4);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(162,69,173,0.08) 100%);
}
.featured-badge {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--yellow);
  background: rgba(255,204,35,0.12);
  border: 1px solid rgba(255,204,35,0.3);
  padding: 3px 10px;
  border-radius: 100px;
}
.card-icon { width: 52px; height: 52px; margin-bottom: 20px; }
.card-icon svg { width: 100%; height: 100%; }
.card-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 20px;
}
.card-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}
.card-features li {
  font-size: 0.82rem;
  color: var(--text-3);
  padding-left: 16px;
  position: relative;
}
.card-features li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--purple);
}
.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--purple-l);
  transition: color 0.2s, gap 0.2s;
  display: inline-flex;
  align-items: center;
}
.card-link:hover { color: var(--yellow); }

/* ── PROCESS ── */
.process { padding: var(--section-py) 0; background: var(--bg-2); }
.process-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}
.timeline-track {
  position: absolute;
  left: 30px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--purple), var(--yellow), var(--purple));
  opacity: 0.3;
}
.process-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}
.step-bubble {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}
.process-step:hover .step-bubble {
  background: var(--purple);
  box-shadow: 0 0 24px rgba(162,69,173,0.5);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--purple-l);
}
.process-step:hover .step-num { color: white; }
.step-content { padding-top: 14px; }
.step-content h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.step-content p { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; }

/* ── ABOUT ── */
.about { padding: var(--section-py) 0; background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual { position: relative; min-height: 380px; }
.about-card-stack { position: relative; height: 380px; }
.acard {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 220px;
  transition: all 0.4s ease;
}
.acard:hover { transform: scale(1.04); box-shadow: var(--shadow-glow); }
.acard-icon { font-size: 1.5rem; margin-bottom: 6px; }
.acard strong { font-size: 0.95rem; color: var(--text); }
.acard span { font-size: 0.8rem; color: var(--text-2); }
.acard-1 { top: 0; left: 0; border-left: 3px solid var(--purple); }
.acard-2 { top: 50%; transform: translateY(-50%); right: 0; border-left: 3px solid var(--yellow); }
.acard-3 { bottom: 0; left: 40px; border-left: 3px solid var(--orange); }
.about-orb {
  position: absolute;
  width: 250px; height: 250px;
  background: var(--purple);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.1;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.about-content .section-tag { display: inline-block; }
.about-content .section-title { text-align: left; }
.about-text { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; margin-top: 16px; }
.about-values { margin-top: 28px; margin-bottom: 32px; display: flex; flex-direction: column; gap: 16px; }
.value-item { display: flex; align-items: flex-start; gap: 14px; }
.value-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.value-item strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
.value-item span { font-size: 0.82rem; color: var(--text-3); }

/* ── CASES ── */
.cases { padding: var(--section-py) 0; background: var(--bg-2); }
.cases-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 48px; }
.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
}
.case-card:hover { border-color: var(--border-h); transform: translateY(-3px); }
.case-card.featured-case {
  border-color: rgba(255,204,35,0.3);
  background: linear-gradient(135deg, var(--surface), rgba(255,204,35,0.04));
}
.case-industry {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  background: rgba(236,150,1,0.1);
  border: 1px solid rgba(236,150,1,0.2);
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.case-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.case-card p { font-size: 0.85rem; color: var(--text-2); line-height: 1.65; margin-bottom: 20px; }
.case-results { display: flex; gap: 16px; }
.case-result { display: flex; flex-direction: column; gap: 3px; }
.result-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--yellow);
}
.result-lbl { font-size: 0.72rem; color: var(--text-3); }

.testimonial-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}
.quote-icon { width: 44px; margin-bottom: 16px; }
blockquote p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 20px;
}
blockquote footer strong { display: block; font-size: 0.9rem; color: var(--text); }
blockquote footer span { font-size: 0.82rem; color: var(--text-3); }

/* ── CTA BANNER ── */
.cta-banner {
  position: relative;
  padding: 100px 24px;
  overflow: hidden;
  background: var(--bg-3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.cta-orb-1 { width: 400px; height: 400px; background: var(--purple); opacity: 0.15; top: -100px; left: -100px; }
.cta-orb-2 { width: 300px; height: 300px; background: var(--yellow-d); opacity: 0.08; bottom: -80px; right: -80px; }
.cta-content { position: relative; text-align: center; }
.cta-content h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-content p { font-size: 1rem; color: var(--text-2); max-width: 500px; margin: 0 auto 36px; }
.btn-cta-large {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  color: #0a0a0f;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: all 0.3s;
  box-shadow: 0 8px 32px rgba(255,204,35,0.3);
}
.btn-cta-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255,204,35,0.5);
}
.btn-cta-large svg { width: 20px; height: 20px; }

/* ── CONTACT ── */
.contact { padding: var(--section-py) 0; background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.contact-info .section-title { text-align: left; }
.contact-info > p { color: var(--text-2); font-size: 0.95rem; line-height: 1.7; margin-top: 16px; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-icon {
  width: 40px; height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; color: var(--purple-l); }
.contact-item strong { display: block; font-size: 0.85rem; color: var(--text-3); margin-bottom: 2px; }
.contact-item a { font-size: 0.9rem; color: var(--purple-l); transition: color 0.2s; }
.contact-item a:hover { color: var(--yellow); }
.contact-item span { font-size: 0.9rem; color: var(--text-2); }

/* Form */
.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--text-2); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238e8e8e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(162,69,173,0.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-footer { display: flex; flex-direction: column; gap: 12px; }
.form-privacy { font-size: 0.75rem; color: var(--text-3); }
.form-privacy a { color: var(--purple-l); }
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--purple), var(--purple-d));
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--purple-l);
  transition: all 0.3s;
  cursor: pointer;
  align-self: flex-start;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(162,69,173,0.4); }
.btn-submit svg { width: 18px; height: 18px; }
.btn-submit .btn-loading { display: none; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }
.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: 10px;
  color: #22c55e;
  font-size: 0.9rem;
}
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; }
.form-success[hidden] { display: none; }

/* ── FOOTER ── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-top: 64px;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; padding-bottom: 48px; }
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-slogan {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--text-3);
  margin-top: 4px;
}
.footer-social { display: flex; gap: 10px; margin-top: 8px; }
.footer-social a {
  width: 36px; height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3);
  transition: all 0.2s;
}
.footer-social a:hover { color: var(--purple-l); border-color: var(--border-h); }
.footer-social svg { width: 16px; height: 16px; }
.footer-nav { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.footer-col h4 { font-size: 0.82rem; font-weight: 700; color: var(--text); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 0.85rem; color: var(--text-3); transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ── SCROLL TO TOP ── */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: all 0.3s;
  z-index: 900;
  box-shadow: var(--shadow);
}
.scroll-top:hover { border-color: var(--purple); color: var(--purple-l); transform: translateY(-3px); }
.scroll-top svg { width: 18px; height: 18px; }
.scroll-top[hidden] { display: none; }

/* ── PARTICLES ── */
.particles { position: absolute; inset: 0; overflow: hidden; }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--purple-l);
  border-radius: 50%;
  animation: particle-float linear infinite;
  opacity: 0;
}
@keyframes particle-float {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-100px) scale(1); }
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
  .hero-visual { display: none; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cases-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-py: 64px; }

  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg-2); flex-direction: column; padding: 24px; gap: 4px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .contact-form-wrap { padding: 24px; }
  .testimonial-block { padding: 28px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
}

@media (max-width: 480px) {
  .footer-nav { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.2rem; }
  .btn-cta-large { padding: 16px 28px; font-size: 0.95rem; }
}

/* ── ANIMATIONS ON SCROLL ── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ── FOCUS VISIBLE (Accessibility) ── */
:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── FIX: card-link clickeable sobre la tarjeta ── */
.card-link {
  position: relative;
  z-index: 10;
}