/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0b0f14;
  --bg-2:     #111620;
  --bg-card:  #161c26;
  --bg-card2: #1c2433;
  --border:   rgba(255,255,255,0.07);
  --border-h: rgba(255,255,255,0.14);
  --text:     #e8edf5;
  --text-muted: #7a8899;
  --text-dim:   #4a5568;
  --accent:   #c9a84c;
  --accent-light: #e8c97a;
  --accent-dim: rgba(201,168,76,0.12);
  --green:    #4ade80;
  --radius:   12px;
  --radius-lg: 20px;
  --shadow:   0 4px 32px rgba(0,0,0,0.4);
  --shadow-card: 0 2px 20px rgba(0,0,0,0.3);
  --section-gap: 60px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* ===== CONSTELLATION BACKGROUND ===== */
#impruvia-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Asegurar que las secciones principales queden por encima del canvas */
header, section, footer {
  position: relative;
  z-index: 1;
}

/* ===== MODO CLARO ===== */
html[data-theme="light"] {
  --bg:       #f5f4f0;
  --bg-2:     #eceae4;
  --bg-card:  #ffffff;
  --bg-card2: #f0ede7;
  --border:   rgba(0,0,0,0.08);
  --border-h: rgba(0,0,0,0.15);
  --text:     #1a1a1a;
  --text-muted: #5a5a6a;
  --text-dim:   #9a9aaa;
  --accent:   #b8922a;
  --accent-light: #c9a84c;
  --accent-dim: rgba(184,146,42,0.10);
  --shadow:   0 4px 32px rgba(0,0,0,0.10);
  --shadow-card: 0 2px 20px rgba(0,0,0,0.08);
}

html[data-theme="light"] .navbar.scrolled {
  background: rgba(245,244,240,0.92);
}

html[data-theme="light"] .hero-grid {
  background-image:
    linear-gradient(rgba(184,146,42,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,146,42,0.07) 1px, transparent 1px);
}

html[data-theme="light"] .hero-glow {
  background: radial-gradient(ellipse at center, rgba(184,146,42,0.10) 0%, transparent 65%);
}

html[data-theme="light"] .ia-glow-left {
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.10) 0%, transparent 65%);
}
html[data-theme="light"] .ia-glow-right {
  background: radial-gradient(ellipse at center, rgba(168,85,247,0.08) 0%, transparent 65%);
}

html[data-theme="light"] .cta-grid {
  background-image:
    linear-gradient(rgba(184,146,42,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,146,42,0.07) 1px, transparent 1px);
}

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-h);
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(15deg);
}

/* ===== ABOUT SINGLE COLUMN ===== */
.about-single {
  grid-template-columns: 1fr !important;
  max-width: 760px;
}
.about-single .about-text {
  max-width: 100%;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== CONTAINER ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; }
em { font-style: italic; color: var(--accent-light); }
p { color: var(--text-muted); }

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  color: var(--text);
  margin-bottom: 18px;
  max-width: 620px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
}

.section-header {
  margin-bottom: 64px;
}

.section { padding: var(--section-gap) 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.22s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #0b0f14;
  box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 28px rgba(201,168,76,0.45);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-h);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn-sm  { padding: 9px 20px; font-size: 0.85rem; }
.btn-lg  { padding: 15px 30px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--delay, 0ms);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
.navbar.scrolled {
  background: rgba(11,15,20,0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo img {
  display: block;
  width: auto;
  max-width: 100%;
  transition: transform 0.2s;
}
.logo:hover img {
  transform: scale(1.03);
}
.nav-links {
  display: flex;
  gap: 32px;
  flex: 1;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 400;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 65%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-badge::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.06;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 24px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent-light);
  line-height: 1.1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  max-width: 140px;
  display: block;
  line-height: 1.3;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0.4;
}
.hero-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 0.9; transform: scaleY(1.15); }
}

/* ===== PROBLEMS ===== */
.problems { background: var(--bg-2); }

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.problem-card {
  background: var(--bg-2);
  padding: 36px 30px;
  transition: background 0.2s;
}
.problem-card:hover { background: var(--bg-card); }

.problem-icon {
  font-size: 1.8rem;
  margin-bottom: 18px;
  filter: grayscale(0.3);
}

.problem-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.problem-card p { font-size: 0.88rem; }

/* ===== SOLUTION ===== */
.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.solution-single {
  grid-template-columns: 1fr !important;
  max-width: 800px;
}

.solution-lead {
  font-size: 1.08rem;
  color: var(--text);
  margin-bottom: 36px;
  line-height: 1.7;
}

.solution-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.solution-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.check {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  margin-top: 2px;
}
.solution-list strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
}
.solution-list p { font-size: 0.88rem; margin: 0; }

/* Visual card */
.visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.vc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
}
.vc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.vc-dot.green  { background: #4ade80; }
.vc-dot.yellow { background: #fbbf24; }
.vc-dot.red    { background: #f87171; }
.vc-title {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
  font-family: var(--font-body);
}

.vc-body { padding: 28px 24px; display: flex; flex-direction: column; gap: 22px; }

.vc-metric {}
.vc-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.vc-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.vc-bar {
  height: 6px;
  width: var(--w);
  background: var(--c);
  border-radius: 3px;
  max-width: 240px;
  animation: growBar 1.5s ease forwards;
  transform-origin: left;
}
@keyframes growBar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.vc-val {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
}

.vc-footer {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--bg-card);
  padding: 44px 38px;
  transition: background 0.25s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.service-card:hover { background: var(--bg-card2); }

.service-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--border-h);
  line-height: 1;
  margin-bottom: 24px;
  user-select: none;
}

.service-icon-wrap {
  color: var(--accent);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 12px;
}

.service-card p { font-size: 0.9rem; margin-bottom: 24px; }

.service-benefit {
  background: var(--accent-dim);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: auto;
}
.benefit-tag {
  display: block;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== IA & TRANSFORMACIÓN ===== */
.ia-section {
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

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

.ia-glow-left {
  position: absolute;
  top: -10%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(99,102,241,0.08) 0%, transparent 65%);
  border-radius: 50%;
}

.ia-glow-right {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(168,85,247,0.07) 0%, transparent 65%);
  border-radius: 50%;
}

.ia-tag {
  color: #a78bfa !important;
  background: rgba(139,92,246,0.12) !important;
  border-color: rgba(139,92,246,0.25) !important;
}

.ia-header {
  margin-bottom: 64px;
}

.ia-title {
  max-width: 720px;
}

.ia-desc {
  max-width: 600px;
}

.ia-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.ia-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.ia-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(139,92,246,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.ia-card:hover {
  border-color: rgba(139,92,246,0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(139,92,246,0.12);
}

.ia-card--main {
  border-color: rgba(139,92,246,0.25);
  background: linear-gradient(135deg, rgba(139,92,246,0.06) 0%, var(--bg-card) 60%);
}

.ia-card-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}

.ia-card h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 12px;
}

.ia-card p {
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.ia-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ia-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}

.ia-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: #a78bfa;
  font-size: 0.8rem;
}

.ia-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ia-pill {
  font-size: 0.75rem;
  font-weight: 500;
  color: #c4b5fd;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 100px;
  padding: 4px 14px;
}

.ia-cta {
  text-align: center;
}

.ia-cta .btn-primary {
  background: linear-gradient(135deg, #7c3aed, #6366f1);
  box-shadow: 0 4px 24px rgba(99,102,241,0.35);
  color: #fff;
}

.ia-cta .btn-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #4f46e5);
  box-shadow: 0 8px 32px rgba(99,102,241,0.5);
  color: #fff;
}

/* problem card IA highlight */
.problem-card--ia {
  background: linear-gradient(135deg, rgba(139,92,246,0.06) 0%, var(--bg-2) 70%);
}
.problem-card--ia:hover {
  background: linear-gradient(135deg, rgba(139,92,246,0.12) 0%, var(--bg-card) 70%);
}
.problem-card--ia h3 { color: #c4b5fd; }

/* ===== PROCESS ===== */
.process { background: var(--bg-2); }

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 40px 1fr;
  gap: 24px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.process-step:first-child { border-top: 1px solid var(--border); }

.step-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1;
  padding-top: 2px;
}

.step-connector {
  display: flex;
  justify-content: center;
  padding-top: 10px;
  position: relative;
}
.step-connector::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.step-connector::after {
  content: '';
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: calc(100% + 40px);
  background: linear-gradient(to bottom, var(--accent-dim), transparent);
}
.step-connector.last::after { display: none; }

.step-content { padding-top: 0; }
.step-content h3 {
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 10px;
}
.step-content p { font-size: 0.9rem; margin-bottom: 12px; }
.step-duration {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== SUCCESS CASES ===== */
.success-cases { background: var(--bg-2); }

.success-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.success-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.success-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.success-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
  width: fit-content;
}

.success-card h3 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 14px;
}

.success-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== RESULTS ===== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.result-card.highlight {
  background: var(--accent-dim);
  border-color: rgba(201,168,76,0.35);
}

.result-value {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--accent-light);
  line-height: 1.05;
  margin-bottom: 10px;
}
.result-card.highlight .result-value { color: var(--accent-light); }

.result-area {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.result-desc { font-size: 0.82rem; }

.results-disclaimer {
  font-size: 0.76rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 12px;
}



/* ===== CTA SECTION ===== */
.cta-section {
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

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

.cta-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 20%, transparent 100%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cta-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-value-points {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 48px;
}

/* ===== FORM ===== */
.contact-form {
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-group:last-of-type { margin-bottom: 28px; }

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

input, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  resize: vertical;
}
input::placeholder, textarea::placeholder { color: var(--text-dim); }
input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 14px;
  margin-bottom: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 72px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.footer-locations {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}
.footer-location {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer .btn-primary { color: #0b0f14; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.footer-contact a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-cta { margin-top: 4px; align-self: flex-start; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  :root { --section-gap: 80px; }

  .nav-links { display: none; }
  .nav-inner > .btn-primary { display: none; }
  .nav-toggle { display: flex; }
  .navbar { overflow: visible; }
  .nav-inner { position: relative; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 30px;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 100;
  }
  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s ease forwards;
  }
  @keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  .nav-links a { font-size: 1.1rem; color: var(--text); }
  .nav-links::after { display: none; }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    width: 100%;
  }
  .stat-divider { width: 100%; height: 1px; }

  .problems-grid { grid-template-columns: 1fr; }

  .solution-inner { grid-template-columns: 1fr; gap: 48px; }

  .services-grid { grid-template-columns: 1fr; }

  .process-step { grid-template-columns: 60px 28px 1fr; }

  .results-grid { grid-template-columns: 1fr 1fr; }

  .about-inner { grid-template-columns: 1fr; gap: 40px; }

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

  .ia-grid { grid-template-columns: 1fr; gap: 16px; }
  .ia-card { padding: 30px 24px; }
  .ia-header { margin-bottom: 32px; }

  .success-grid { grid-template-columns: 1fr; }
  .success-card { padding: 24px; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom .container { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 520px) {
  .hero-title { font-size: clamp(2.4rem, 8vw, 3.5rem); }
  .hero-cta { flex-direction: column; }

  .results-grid { grid-template-columns: 1fr; }

  .cta-value-points { flex-direction: column; gap: 10px; align-items: center; }

  .contact-form { padding: 24px 20px; }

  .about-pillars { grid-template-columns: 1fr; }

  .process-step { grid-template-columns: 50px 24px 1fr; gap: 12px; }
  .step-num { font-size: 1.6rem; }
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}
.modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11,15,20,0.85);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-h);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  z-index: 2001;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text); }

.modal-header { margin-bottom: 32px; }
.modal-title { font-size: 1.8rem; margin-bottom: 12px; }
.modal-desc { color: var(--text-muted); font-size: 0.95rem; }

@media (max-width: 520px) {
  .modal-content { padding: 32px 24px; }
  .modal-title { font-size: 1.5rem; }
}

/* ===== CONTACT ALTERNATIVES & SECONDARY BUTTON (WHATSAPP) ===== */
.contact-alternatives {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border-h);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 0.82rem;
  transition: all 0.22s ease;
}
.btn-secondary:hover {
  border-color: #25d366;
  color: #25d366;
  transform: translateY(-1px);
}