/* =========================================================
   OmniIntelligence - styles.css
   Premium Tech | Mobile-First | CSS Custom Properties
   ========================================================= */

/* ---------------------------------------------------------
   1. CUSTOM PROPERTIES
   --------------------------------------------------------- */
:root {
  --color-primary:       #03336c;
  --color-primary-dark:  #02285a;
  --color-primary-light: #0a4a9c;
  --color-accent:        #4cd2df;
  --color-accent-dark:   #3ac0ce;
  --color-accent-glow:   rgba(76, 210, 223, 0.22);
  --color-green:         #10b981;
  --color-green-light:   rgba(16, 185, 129, 0.12);

  --color-bg:            #f8fafc;
  --color-bg-alt:        #f0f5ff;
  --color-bg-dark:       #03336c;
  --color-surface:       #ffffff;
  --color-surface-2:     #eef2f9;

  --color-text:          #0f172a;
  --color-text-2:        #1e3a5f;
  --color-text-muted:    #64748b;
  --color-text-light:    #94a3b8;
  --color-text-inverse:  #ffffff;

  --color-border:        #e2e8f0;
  --color-border-focus:  #4cd2df;

  --color-success:       #10b981;
  --color-error:         #ef4444;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(3, 51, 108, .10);
  --shadow-lg:  0 12px 40px rgba(3, 51, 108, .13);
  --shadow-xl:  0 24px 64px rgba(3, 51, 108, .18);
  --shadow-glow: 0 0 40px rgba(76, 210, 223, 0.20);

  --transition:      all 0.25s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.4s ease;

  --container-max: 1200px;
  --container-pad: var(--space-6);
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------------------------------------------------------
   3. LAYOUT
   --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---------------------------------------------------------
   4. BOTOES
   --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  padding: var(--space-3) var(--space-6);
}

.btn--lg { font-size: var(--text-base); padding: var(--space-4) var(--space-8); }
.btn--full { width: 100%; justify-content: center; }
.btn__icon { flex-shrink: 0; font-size: 1em; transition: transform 0.3s ease; }
.btn:hover .btn__icon { transform: translateX(4px); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(3, 51, 108, 0.28);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  box-shadow: 0 8px 32px rgba(3, 51, 108, 0.42);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.btn--cta {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(76, 210, 223, 0.35);
}
.btn--cta:hover, .btn--cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(76, 210, 223, 0.50);
}

/* ---------------------------------------------------------
   5. HEADER & NAV
   --------------------------------------------------------- */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(248, 250, 252, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(248, 250, 252, 0.97);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-md);
  height: 60px;
}

.nav { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav__logo { display: flex; align-items: center; flex-shrink: 0; }
.nav__logo-img { height: 40px; width: auto; transition: var(--transition); object-fit: contain; }
.header.scrolled .nav__logo-img { height: 34px; }

.nav__list { display: flex; align-items: center; gap: var(--space-1); }

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform 0.22s ease;
}
.nav__link:hover, .nav__link.active { color: var(--color-primary); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.nav__toggle:hover { background: var(--color-surface-2); }

.nav__hamburger {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}
.nav__toggle.open .nav__hamburger:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open .nav__hamburger:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open .nav__hamburger:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------
   6. SECOES BASE
   --------------------------------------------------------- */
.section { padding-block: var(--space-24); }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-primary); }

.section__header { text-align: center; margin-bottom: var(--space-16); }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(76, 210, 223, 0.12);
  border: 1px solid rgba(76, 210, 223, 0.35);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-4);
}
.section__label--light { color: var(--color-accent); background: rgba(76,210,223,0.15); border-color: rgba(76,210,223,0.30); }

.case-label {
  color: #047857;
  background: rgba(16,185,129,0.10);
  border-color: rgba(16,185,129,0.28);
  letter-spacing: 0.03em;
  font-size: var(--text-sm);
  text-transform: none;
  font-weight: 600;
}

.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  letter-spacing: -0.025em;
}
.section__title--light { color: var(--color-text-inverse); }

.section__divider {
  width: 48px; height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-full);
  margin: var(--space-6) auto;
}
.section__divider--cyan { background: linear-gradient(90deg, var(--color-accent), rgba(76,210,223,0.4)); }

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);z
  max-width: 640px;
  margin-inline: auto;
  margin-top: var(--space-4);
  line-height: 1.6;
}

/* ---------------------------------------------------------
   7. HERO
   --------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-20);
  overflow: hidden;
  background: #f8fafc;
}

.hero__bg-pattern {
  position: absolute; inset: 0;
  pointer-events: none; overflow: hidden;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
}
.hero__orb--1 {
  width: 700px; height: 500px;
  background: radial-gradient(circle, rgba(76,210,223,0.18) 0%, transparent 70%);
  top: -20%; left: -15%;
}
.hero__orb--2 {
  width: 500px; height: 400px;
  background: radial-gradient(circle, rgba(3,51,108,0.09) 0%, transparent 70%);
  bottom: -10%; right: -10%;
}

.hero__grid { display: none; }

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative; z-index: 1;
  width: 100%;
}

.hero__content { display: flex; flex-direction: column; align-items: flex-start; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(3,51,108, 0.07);
  border: 1px solid rgba(3,51,108, 0.16);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-6);
}

.hero__badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 2px rgba(16,185,129,0.30);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 2px rgba(16,185,129,0.30); }
  50% { box-shadow: 0 0 0 5px rgba(16,185,129,0.10); }
}

.hero__title {
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-6xl));
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__title--highlight {
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 60%, #7fe8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__metrics {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.hero__metric { display: flex; flex-direction: column; text-align: center; }
.hero__metric-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero__metric-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  white-space: nowrap;
}
.hero__metric-divider { width: 1px; height: 36px; background: var(--color-border); flex-shrink: 0; }

.hero__actions { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }

/* Terminal */
.hero__visual { position: relative; display: flex; flex-direction: column; gap: var(--space-4); }

.hero__terminal {
  background: #0d1b2e;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border: 1px solid rgba(76,210,223,0.20);
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
}

.hero__terminal-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: #060f1e;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.hero__terminal-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.hero__terminal-dot--red    { background: #ff5f57; }
.hero__terminal-dot--yellow { background: #ffbd2e; }
.hero__terminal-dot--green  { background: #28ca42; }

.hero__terminal-title {
  margin-left: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.hero__terminal-body {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.hero__terminal-line {
  font-size: var(--text-sm);
  color: #a8c4e0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
  animation: terminal-line 0.4s ease forwards;
}
.hero__terminal-line:nth-child(1) { animation-delay: 0.3s; }
.hero__terminal-line:nth-child(2) { animation-delay: 0.7s; }
.hero__terminal-line:nth-child(3) { animation-delay: 1.1s; }
.hero__terminal-line:nth-child(4) { animation-delay: 1.5s; }
.hero__terminal-line:nth-child(5) { animation-delay: 1.9s; }
.hero__terminal-line:nth-child(6) { animation-delay: 2.3s; }

@keyframes terminal-line {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.t-green  { color: #28ca42; font-weight: 700; }
.t-cyan   { color: var(--color-accent); font-weight: 700; }
.t-muted  { color: rgba(255,255,255,0.25); animation: blink 1.2s step-start infinite; animation-delay: 2.5s; }
@keyframes blink { 0%, 100% { opacity: 0; } 50% { opacity: 1; } }

.hero__float-cards { display: flex; gap: var(--space-3); }

.hero__float-card {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-2);
  flex: 1;
}
.hero__float-card i { font-size: 1.2em; color: var(--color-accent-dark); }
.hero__float-card--1 { animation: float-1 4s ease-in-out infinite; }
.hero__float-card--2 { animation: float-2 4.5s ease-in-out infinite; }
@keyframes float-1 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes float-2 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
}
.hero__scroll-indicator span {
  display: block;
  width: 2px; height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  border-radius: var(--radius-full);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  40%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
  60%  { opacity: 1; transform: scaleY(1); transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ---------------------------------------------------------
   8. QUEM SOMOS
   --------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about__text { display: flex; flex-direction: column; gap: var(--space-4); }
.about__lead { font-size: var(--text-xl); font-weight: 600; color: var(--color-primary); line-height: 1.5; }
.about__text p { color: var(--color-text-muted); line-height: 1.8; }
.about__text strong { color: var(--color-text); }

.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(76,210,223,0.40); }

.stat-card--accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: transparent;
}
.stat-card--accent .stat-card__number,
.stat-card--accent .stat-card__unit,
.stat-card--accent .stat-card__label,
.stat-card--accent .stat-card__icon { color: white; }

.stat-card__icon { font-size: 1.5rem; color: var(--color-accent-dark); line-height: 1; }
.stat-card__number { font-size: var(--text-4xl); font-weight: 800; color: var(--color-primary); line-height: 1; letter-spacing: -0.03em; }
.stat-card__unit { font-size: var(--text-2xl); font-weight: 700; color: var(--color-accent-dark); }
.stat-card__label { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------------------------------------------------------
   9. SOLUCOES
   --------------------------------------------------------- */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: rgba(76,210,223,0.30); }
.solution-card:hover::before { transform: scaleX(1); }

/* Featured card (omnichannel) */
.solution-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--space-6);
  align-items: start;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f9fa 100%);
  border-color: rgba(76,210,223,0.40);
}
.solution-card--featured::before { background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-accent)); }
.solution-card--featured .solution-card__icon { grid-column: 1; grid-row: 1 / 3; align-self: start; }
.solution-card--featured .solution-card__badge { grid-column: 2; }
.solution-card--featured .solution-card__title { grid-column: 2; }
.solution-card--featured .solution-card__description { grid-column: 2; }
.solution-card--featured .solution-card__list { grid-column: 2; }
.solution-card--featured .solution-card__link { grid-column: 2; }

.solution-card__badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(76,210,223,0.15);
  border: 1px solid rgba(76,210,223,0.30);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

.solution-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(76,210,223,0.15) 0%, rgba(3,51,108,0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent-dark);
  flex-shrink: 0;
  align-self: flex-start;
  transition: var(--transition);
}
.solution-card:hover .solution-card__icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  transform: scale(1.08);
}

.solution-card__title { font-size: var(--text-xl); font-weight: 700; color: var(--color-primary); line-height: 1.3; }
.solution-card__description { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; }

.solution-card__list { display: flex; flex-direction: column; gap: var(--space-2); }
.solution-card__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.solution-card__list li i { color: var(--color-green); flex-shrink: 0; margin-top: 3px; }

.solution-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
  transition: var(--transition-fast);
}
.solution-card__link i { transition: transform 0.25s ease; }
.solution-card__link:hover i { transform: translateX(4px); }
.solution-card__link:hover { color: var(--color-accent-dark); }

/* ---------------------------------------------------------
   10. CASO REAL
   --------------------------------------------------------- */
.case-study { display: flex; flex-direction: column; gap: var(--space-8); }

.case-study__context {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
}

.case-study__before, .case-study__after {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.case-study__before { border: 1px solid rgba(239,68,68,0.18); border-left: 4px solid #ef4444; }
.case-study__after  { border: 1px solid rgba(16,185,129,0.18); border-left: 4px solid var(--color-green); }

.case-study__context-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 700;
  color: #b91c1c;
  margin-bottom: var(--space-4);
}
.case-study__context-title--green { color: #047857; }

.case-study__arrow { font-size: 2.5rem; color: var(--color-accent-dark); text-align: center; opacity: 0.7; }

.case-study__list { display: flex; flex-direction: column; gap: var(--space-3); }
.case-study__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.case-study__list li::before {
  content: 'x';
  color: #ef4444;
  font-size: 0.8em;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.case-study__list--green li::before { content: 'v'; color: var(--color-green); }

.case-study__impact {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0a3d78 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}
.case-study__impact-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: white;
  text-align: center;
  margin-bottom: var(--space-8);
}

.case-study__kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

.case-kpi {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.case-kpi:hover { background: rgba(255,255,255,0.14); transform: translateY(-4px); }

.case-kpi__value {
  display: block;
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.case-kpi__label { display: block; font-size: var(--text-sm); font-weight: 700; color: white; margin-bottom: var(--space-1); }
.case-kpi__detail { display: block; font-size: var(--text-xs); color: rgba(255,255,255,0.55); line-height: 1.4; }

.case-study__tech { text-align: center; }
.case-study__tech-title { font-size: var(--text-xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-5); }
.case-study__tech-grid { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-2);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.tech-pill i { color: var(--color-accent-dark); }
.tech-pill:hover { border-color: var(--color-accent); color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.case-study__cta {
  text-align: center;
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px dashed rgba(76,210,223,0.45);
  border-radius: var(--radius-2xl);
}
.case-study__cta p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 500px;
  margin-inline: auto;
}

/* ---------------------------------------------------------
   11. METODOLOGIA
   --------------------------------------------------------- */
.methodology__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
}
.methodology__timeline::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), rgba(76,210,223,0.25));
}

.method-step { display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; }

.method-step__marker {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(76,210,223,0.40), 0 0 0 4px rgba(76,210,223,0.15);
  flex-shrink: 0;
  margin-bottom: var(--space-5);
  position: relative; z-index: 1;
  transition: var(--transition);
}
.method-step:hover .method-step__marker { transform: scale(1.12); box-shadow: 0 8px 32px rgba(76,210,223,0.50), 0 0 0 6px rgba(76,210,223,0.18); }

.method-step__number { display: block; font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.10em; color: var(--color-accent); margin-bottom: var(--space-2); }
.method-step__title { font-size: var(--text-lg); font-weight: 700; color: var(--color-text-inverse); margin-bottom: var(--space-2); }
.method-step__detail { font-size: var(--text-sm); color: rgba(255,255,255,0.65); line-height: 1.6; }

/* ---------------------------------------------------------
   12. CONTATO
   --------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-12);
  align-items: start;
}

.contact__info { display: flex; flex-direction: column; gap: var(--space-4); }
.contact__info-title { font-size: var(--text-2xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-2); }

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.contact__channel:hover { border-color: rgba(76,210,223,0.40); box-shadow: var(--shadow-md); transform: translateX(4px); }

.contact__channel-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(3,51,108,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact__channel-icon--green { background: rgba(16,185,129,0.10); color: #059669; }

.contact__channel-label { display: block; font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.contact__channel-value { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }

.contact__guarantee {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-green-light);
  border: 1px solid rgba(16,185,129,0.20);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: #065f46;
  margin-top: var(--space-2);
}
.contact__guarantee i { font-size: 1.2em; color: var(--color-green); flex-shrink: 0; margin-top: 2px; }

.contact__form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.contact-form { display: flex; flex-direction: column; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }

.form-input {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  width: 100%;
  transition: var(--transition-fast);
  outline: none;
}
.form-input:focus { border-color: var(--color-border-focus); background: var(--color-surface); box-shadow: 0 0 0 3px rgba(76,210,223,0.18); }
.form-input::placeholder { color: var(--color-text-light); }
.form-textarea { resize: vertical; min-height: 120px; }

.form-error { font-size: var(--text-xs); color: var(--color-error); min-height: 1.2em; }
.form-input.invalid { border-color: var(--color-error); }
.form-input.valid   { border-color: var(--color-success); }

.form-feedback {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 500;
  min-height: 1.5em;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
}
.form-feedback.success { background: var(--color-green-light); color: #065f46; }
.form-feedback.error   { background: rgba(239,68,68,0.08); color: #991b1b; }

/* ---------------------------------------------------------
   13. FOOTER
   --------------------------------------------------------- */
.footer { background: var(--color-primary-dark); padding-block: var(--space-12); }

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.footer__brand { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__logo { height: 36px; width: auto; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.9; }
.footer__slogan { font-size: var(--text-sm); color: rgba(255,255,255,0.55); }

.footer__nav { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.footer__link { font-size: var(--text-sm); color: rgba(255,255,255,0.60); transition: color 0.2s ease; }
.footer__link:hover { color: var(--color-accent); }

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  width: 100%;
  text-align: center;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ---------------------------------------------------------
   14. SIDE NAV
   --------------------------------------------------------- */
.side-nav {
  position: fixed;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.side-nav__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-text-light);
  transition: var(--transition);
  position: relative;
}
.side-nav__dot::after {
  content: attr(data-label);
  position: absolute;
  right: calc(100% + var(--space-3));
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.side-nav__dot:hover::after, .side-nav__dot.active::after { opacity: 1; }
.side-nav__dot.active { background: var(--color-accent); border-color: var(--color-accent); transform: scale(1.35); }
.side-nav__dot:hover  { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }

/* ---------------------------------------------------------
   15. SCROLL REVEAL
   --------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }

/* ---------------------------------------------------------
   16. TABLET (max 1024px)
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__container { grid-template-columns: 1fr; gap: var(--space-10); text-align: center; }
  .hero__content { align-items: center; }
  .hero__subtitle { max-width: 100%; }
  .hero__metrics { justify-content: center; }
  .hero__actions { justify-content: center; }
  .hero__visual { max-width: 560px; margin-inline: auto; }

  .about__grid { grid-template-columns: 1fr; gap: var(--space-10); }

  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .solution-card--featured { grid-column: 1 / -1; }

  .case-study__context { grid-template-columns: 1fr; gap: var(--space-4); }
  .case-study__arrow { transform: rotate(90deg); }
  .case-study__kpis { grid-template-columns: repeat(2, 1fr); }

  .methodology__timeline { grid-template-columns: repeat(2, 1fr); }
  .methodology__timeline::before { display: none; }

  .contact__grid { grid-template-columns: 1fr; }
  .side-nav { display: none; }
}

/* ---------------------------------------------------------
   17. MOBILE (max 768px)
   --------------------------------------------------------- */
@media (max-width: 768px) {
  :root { --space-24: 4rem; --space-16: 3rem; --space-12: 2.5rem; }

  .nav__toggle { display: flex; }

  .nav__list {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100dvh;
    background: rgba(248,250,252,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-5);
    padding: var(--space-8);
    z-index: 999;
  }
  .nav__list.open { display: flex; }
  .nav__link { font-size: var(--text-xl); font-weight: 700; padding: var(--space-3) var(--space-6); }
  .nav__cta { font-size: var(--text-base); }

  .hero { min-height: 100dvh; padding-top: calc(var(--header-height) + var(--space-8)); }
  .hero__title { font-size: clamp(var(--text-3xl), 9vw, var(--text-4xl)); }
  .hero__subtitle { font-size: var(--text-base); }
  .hero__metrics { flex-direction: column; gap: var(--space-4); width: 100%; }
  .hero__metric-divider { width: 80%; height: 1px; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__float-cards { flex-direction: column; }

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

  .solutions__grid { grid-template-columns: 1fr; }
  .solution-card--featured {
    grid-template-columns: 1fr;
  }
  .solution-card--featured .solution-card__icon,
  .solution-card--featured .solution-card__badge,
  .solution-card--featured .solution-card__title,
  .solution-card--featured .solution-card__description,
  .solution-card--featured .solution-card__list,
  .solution-card--featured .solution-card__link {
    grid-column: 1;
    grid-row: auto;
  }

  .case-study__kpis { grid-template-columns: 1fr 1fr; }
  .case-study__impact { padding: var(--space-6); }
  .case-kpi__value { font-size: var(--text-3xl); }

  .methodology__timeline { grid-template-columns: 1fr; gap: var(--space-6); }

  .form-row { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: var(--space-6); }

  .footer__inner { flex-direction: column; align-items: center; text-align: center; }
  .footer__nav { justify-content: center; gap: var(--space-4); }
}

/* ---------------------------------------------------------
   18. MOBILE PEQUENO (max 480px)
   --------------------------------------------------------- */
@media (max-width: 480px) {
  :root { --container-pad: var(--space-4); }
  .hero__title { font-size: var(--text-3xl); }
  .case-study__kpis { grid-template-columns: 1fr; }
  .case-kpi { padding: var(--space-5); }
  .about__stats { grid-template-columns: 1fr; }
  .section { padding-block: 3rem; }
}