/* =============================================
   Rezriz.com — Design System v2
   Premium growth strategy brand
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Brand colors */
  --rz-primary: #1e3a5f;
  --rz-primary-dark: #0f172a;
  --rz-primary-light: #2d5a8e;
  --rz-primary-soft: #eef4fa;
  --rz-primary-glow: rgba(30, 58, 95, 0.08);

  --rz-accent: #f59e0b;
  --rz-accent-hover: #d97706;
  --rz-accent-soft: #fef3e7;
  --rz-accent-glow: rgba(245, 158, 11, 0.12);

  --rz-green: #059669;
  --rz-green-soft: #ecfdf5;
  --rz-green-glow: rgba(5, 150, 105, 0.1);

  /* Neutral surfaces */
  --rz-bg: #f7f9fc;
  --rz-surface: #ffffff;
  --rz-surface-hover: #f1f4f9;
  --rz-surface-raised: #ffffff;
  --rz-overlay: rgba(15, 23, 42, 0.45);

  /* Text */
  --rz-text: #0f172a;
  --rz-text-secondary: #475569;
  --rz-text-muted: #94a3b8;
  --rz-text-inverse: #ffffff;

  /* Borders */
  --rz-border: #e2e8f0;
  --rz-border-light: #f1f5f9;
  --rz-border-focus: var(--rz-primary);
  --rz-border-error: #ef4444;
  --rz-border-success: var(--rz-green);

  /* Shadows */
  --rz-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04);
  --rz-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  --rz-shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.08);
  --rz-shadow-xl: 0 16px 48px rgba(15, 23, 42, 0.1);

  /* Radii */
  --rz-radius-sm: 6px;
  --rz-radius: 10px;
  --rz-radius-lg: 16px;
  --rz-radius-xl: 24px;
  --rz-radius-full: 9999px;

  /* Typography */
  --rz-font-display: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --rz-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Sizing */
  --rz-container: 1200px;
  --rz-content: 740px;

  /* Transition */
  --rz-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --rz-transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --rz-bg: #0a0e17;
  --rz-surface: #111827;
  --rz-surface-hover: #1a2332;
  --rz-surface-raised: #1a2332;
  --rz-overlay: rgba(0, 0, 0, 0.6);

  --rz-text: #e4e8ef;
  --rz-text-secondary: #8b95a8;
  --rz-text-muted: #5c6a82;
  --rz-text-inverse: #0a0e17;

  --rz-primary: #2dd4a0;
  --rz-primary-dark: #1fa883;
  --rz-primary-light: #5eead4;
  --rz-primary-soft: #14362a;
  --rz-primary-glow: rgba(45, 212, 160, 0.1);

  --rz-accent: #fbbf24;
  --rz-accent-hover: #f59e0b;
  --rz-accent-soft: #2a2415;
  --rz-accent-glow: rgba(251, 191, 36, 0.1);

  --rz-green: #34d399;
  --rz-green-soft: #1a2e25;
  --rz-green-glow: rgba(52, 211, 153, 0.1);

  --rz-border: #1f2937;
  --rz-border-light: #1a2332;

  --rz-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --rz-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  --rz-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --rz-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background: var(--rz-bg);
  color: var(--rz-text);
  font-family: var(--rz-font-body);
  font-size: 16px;
  line-height: 1.7;
}

::selection { background: var(--rz-primary-soft); color: var(--rz-primary-dark); }

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--rz-primary);
  text-decoration: none;
  transition: color var(--rz-transition);
}
a:hover { color: var(--rz-accent-hover); }
a:focus-visible {
  outline: 2px solid var(--rz-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--rz-font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--rz-primary-dark);
}

/* =============================================
   LAYOUT UTILITIES
   ============================================= */

.rz-container {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-section {
  padding: clamp(56px, 7vw, 100px) 0;
}

.rz-section__header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 48px;
}

.rz-section__label {
  font-family: var(--rz-font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--rz-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.rz-section__title {
  font-size: clamp(1.65rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.rz-section__desc {
  color: var(--rz-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.rz-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rz-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* =============================================
   HEADER / NAVIGATION
   ============================================= */

.rz-header {
  background: var(--rz-surface);
  border-bottom: 1px solid var(--rz-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.rz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--rz-text);
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.rz-logo:hover { color: var(--rz-text); }

.rz-logo__mark {
  width: 32px; height: 32px;
  background: var(--rz-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.rz-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.rz-nav__list {
  display: flex;
  list-style: none;
  gap: 20px;
}

.rz-nav__link {
  color: var(--rz-text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--rz-transition), border-color var(--rz-transition);
}
.rz-nav__link:hover { color: var(--rz-text); border-bottom-color: var(--rz-primary); }

.rz-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rz-header__whatsapp {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--rz-text-secondary);
  font-size: 0.84rem;
  padding: 8px 14px;
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius-sm);
  transition: all var(--rz-transition);
}
.rz-header__whatsapp:hover { border-color: var(--rz-accent); color: var(--rz-accent-hover); }

.rz-theme-toggle {
  background: none;
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius-sm);
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--rz-text-secondary);
  font-size: 1rem;
  transition: all var(--rz-transition);
}
.rz-theme-toggle:hover { border-color: var(--rz-primary); color: var(--rz-primary); }

.rz-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--rz-text);
}

/* =============================================
   BUTTON SYSTEM
   ============================================= */

.rz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--rz-radius-sm);
  font-family: var(--rz-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all var(--rz-transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.rz-btn:active { transform: scale(0.97); }

.rz-btn-primary {
  background: var(--rz-primary);
  color: #ffffff;
  box-shadow: 0 1px 3px var(--rz-primary-glow);
}
.rz-btn-primary:hover {
  background: var(--rz-primary-light);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--rz-primary-glow);
}

.rz-btn-accent {
  background: var(--rz-accent);
  color: #0f172a;
  box-shadow: 0 1px 3px var(--rz-accent-glow);
}
.rz-btn-accent:hover {
  background: var(--rz-accent-hover);
  color: #0f172a;
  box-shadow: 0 4px 12px var(--rz-accent-glow);
}

.rz-btn-outline {
  background: transparent;
  border: 1px solid var(--rz-border);
  color: var(--rz-text);
}
.rz-btn-outline:hover { border-color: var(--rz-primary); color: var(--rz-primary); background: var(--rz-primary-soft); }

.rz-btn-ghost {
  background: transparent;
  color: var(--rz-text-secondary);
  padding: 8px 16px;
}
.rz-btn-ghost:hover { color: var(--rz-text); background: var(--rz-surface-hover); }

.rz-btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.rz-btn-lg { padding: 16px 32px; font-size: 1rem; }
.rz-btn-block { width: 100%; justify-content: center; }

/* =============================================
   HERO
   ============================================= */

.rz-hero {
  padding: clamp(72px, 10vw, 144px) 0;
  position: relative;
  overflow: hidden;
}

.rz-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 45%, rgba(30, 58, 95, 0.07), transparent 55%),
    radial-gradient(ellipse at 85% 55%, rgba(245, 158, 11, 0.05), transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(30, 58, 95, 0.03), transparent 40%);
  pointer-events: none;
}

.rz-hero__inner {
  position: relative;
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.rz-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--rz-primary-soft);
  color: var(--rz-primary);
  padding: 7px 16px;
  border-radius: var(--rz-radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
  font-family: var(--rz-font-display);
  letter-spacing: 0.01em;
}

.rz-hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.rz-hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--rz-text-secondary);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.rz-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.rz-hero__visual {
  position: relative;
  padding: 20px;
}

/* Minimal hero variant */
.rz-hero--minimal { padding: clamp(80px, 11vw, 160px) 0; }

.rz-hero__inner--minimal {
  grid-template-columns: minmax(0, 800px);
  justify-content: start;
}
.rz-hero__inner--minimal .rz-hero__sub { max-width: 640px; }

/* Hero sign-up / lead magnet form */
.rz-hero-signup {
  max-width: 680px;
  margin-top: 36px;
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 32px;
  box-shadow: var(--rz-shadow);
}

.rz-hero-signup__label {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--rz-primary-dark);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.rz-hero-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: stretch;
}

.rz-hero-form .rz-input {
  background: var(--rz-bg);
  border: 1.5px solid var(--rz-border);
  padding: 14px 18px;
  font-size: 0.95rem;
  transition: all var(--rz-transition-slow);
}

.rz-hero-form .rz-input:hover {
  border-color: var(--rz-primary-light);
  background: var(--rz-surface);
}

.rz-hero-form .rz-input:focus {
  border-color: var(--rz-primary);
  background: var(--rz-surface);
  box-shadow: 0 0 0 4px var(--rz-primary-glow), inset 0 0 0 1px rgba(30, 58, 95, 0.05);
}

.rz-hero-form .rz-btn {
  padding: 14px 32px;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.rz-hero-signup__note {
  margin-top: 16px;
  color: var(--rz-text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 6px;
}
.rz-hero-signup__note::before {
  content: "✓";
  font-weight: 700;
  color: var(--rz-green);
  font-size: 0.7rem;
}

/* =============================================
   FORM SYSTEM — Premium Design
   ============================================= */

.rz-input {
  display: block;
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--rz-border);
  border-radius: var(--rz-radius-sm);
  background: var(--rz-bg);
  color: var(--rz-text);
  font-family: var(--rz-font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  transition: all var(--rz-transition-slow);
  appearance: none;
  box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.02);
}

.rz-input::placeholder {
  color: var(--rz-text-muted);
  font-weight: 400;
  opacity: 0.8;
}

.rz-input:hover {
  border-color: var(--rz-primary-light);
  background: var(--rz-surface);
  box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.01);
}

.rz-input:focus {
  outline: none;
  border-color: var(--rz-primary);
  background: var(--rz-surface);
  box-shadow:
    0 0 0 4px var(--rz-primary-glow),
    inset 0 1px 2px rgba(15, 23, 42, 0.02);
}

.rz-input--error { border-color: var(--rz-border-error); }
.rz-input--error:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

.rz-input--success { border-color: var(--rz-border-success); }
.rz-input--success:focus {
  box-shadow: 0 0 0 4px var(--rz-green-glow);
}

.rz-input:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--rz-surface-hover);
  border-style: dashed;
}

.rz-textarea {
  min-height: 130px;
  resize: vertical;
  line-height: 1.65;
  padding-top: 14px;
}

.rz-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.rz-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rz-primary-dark);
  margin-bottom: 7px;
  letter-spacing: 0.01em;
}
.rz-label__required { color: var(--rz-accent-hover); margin-left: 2px; }

.rz-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rz-form-hint {
  font-size: 0.8rem;
  color: var(--rz-text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.rz-form-error {
  font-size: 0.8rem;
  color: var(--rz-border-error);
  margin-top: 4px;
  line-height: 1.4;
}

.rz-form-inline {
  display: flex;
  gap: 12px;
  align-items: stretch;
}
.rz-form-inline .rz-input { min-width: 0; flex: 1; }

.rz-form-light .rz-input {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
  color: white;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}
.rz-form-light .rz-input::placeholder { color: rgba(255, 255, 255, 0.35); }
.rz-form-light .rz-input:focus {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.06), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.rz-contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* =============================================
   CARD SYSTEM
   ============================================= */

.rz-card {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 28px;
  transition: all var(--rz-transition);
  box-shadow: var(--rz-shadow-sm);
}
.rz-card:hover {
  border-color: var(--rz-primary);
  box-shadow: var(--rz-shadow);
  transform: translateY(-2px);
}

.rz-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 16px;
}
.rz-card__icon-blue { background: var(--rz-primary-soft); color: var(--rz-primary); }
.rz-card__icon-amber { background: var(--rz-accent-soft); color: var(--rz-accent-hover); }
.rz-card__icon-green { background: var(--rz-green-soft); color: var(--rz-green); }

.rz-card__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--rz-primary-dark);
}

.rz-card__desc {
  color: var(--rz-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Pillar cards */
.rz-pillars {
  padding: clamp(56px, 7vw, 100px) 0;
  background: var(--rz-surface);
  border-top: 1px solid var(--rz-border);
  border-bottom: 1px solid var(--rz-border);
}

.rz-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-pillar-card {
  background: var(--rz-bg);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 24px;
  transition: all var(--rz-transition);
  box-shadow: var(--rz-shadow-sm);
}
.rz-pillar-card:hover {
  border-color: var(--rz-accent);
  transform: translateY(-3px);
  box-shadow: var(--rz-shadow-lg);
}

.rz-pillar-card__num {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--rz-accent);
  opacity: 0.5;
  margin-bottom: 8px;
  line-height: 1;
}

.rz-pillar-card__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--rz-primary-dark);
}

.rz-pillar-card__desc {
  color: var(--rz-text-secondary);
  font-size: 0.85rem;
  line-height: 1.55;
}

/* Article cards */
.rz-article-grid {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rz-article-card {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  overflow: hidden;
  transition: all var(--rz-transition);
  box-shadow: var(--rz-shadow-sm);
}
.rz-article-card:hover {
  border-color: var(--rz-primary);
  box-shadow: var(--rz-shadow);
  transform: translateY(-2px);
}

.rz-article-card__thumb {
  height: 180px;
  background: var(--rz-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rz-text-muted);
}

.rz-article-card__body { padding: 20px; }

.rz-article-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.rz-article-card__category {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--rz-primary);
  background: var(--rz-primary-soft);
  padding: 3px 10px;
  border-radius: 4px;
  font-family: var(--rz-font-display);
}

.rz-article-card__read {
  font-size: 0.75rem;
  color: var(--rz-text-muted);
}

.rz-article-card__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 6px;
  line-height: 1.4;
  color: var(--rz-primary-dark);
}

.rz-article-card__excerpt {
  color: var(--rz-text-secondary);
  font-size: 0.85rem;
  line-height: 1.55;
}

/* Service cards */
.rz-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-service-card {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 28px;
  transition: all var(--rz-transition);
  box-shadow: var(--rz-shadow-sm);
}
.rz-service-card:hover {
  border-color: var(--rz-primary);
  box-shadow: var(--rz-shadow);
  transform: translateY(-2px);
}

.rz-service-card__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--rz-primary);
  background: var(--rz-primary-soft);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-family: var(--rz-font-display);
}

.rz-service-card__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.rz-service-card__desc {
  color: var(--rz-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.rz-service-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rz-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.rz-service-card__link:hover { gap: 8px; }

/* =============================================
   SERVICE DETAIL (services page)
   ============================================= */

.rz-services-hero {
  padding: clamp(56px, 7vw, 88px) 0;
  background: var(--rz-surface);
  border-bottom: 1px solid var(--rz-border);
}

.rz-services-hero__inner {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.rz-services-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.rz-services-hero__sub {
  color: var(--rz-text-secondary);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

.rz-service-detail {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 28px;
  transition: all var(--rz-transition);
  box-shadow: var(--rz-shadow-sm);
}
.rz-service-detail:hover {
  border-color: var(--rz-primary);
  box-shadow: var(--rz-shadow);
}

.rz-service-detail__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.rz-service-detail__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--rz-primary-dark);
  margin-bottom: 4px;
}

.rz-service-detail__tag {
  background: var(--rz-accent-soft);
  color: var(--rz-accent-hover);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  font-family: var(--rz-font-display);
}

.rz-service-detail__desc {
  color: var(--rz-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.rz-service-detail__deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.rz-service-detail__deliverable {
  background: var(--rz-green-soft);
  color: var(--rz-green);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 500;
}

/* =============================================
   PROCESS
   ============================================= */

.rz-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-process__step {
  text-align: center;
  padding: 28px 16px;
  position: relative;
}
.rz-process__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--rz-text-muted);
  font-size: 1.4rem;
}

.rz-process__num {
  width: 44px; height: 44px;
  background: var(--rz-primary-soft);
  color: var(--rz-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 auto 16px;
}

.rz-process__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 6px;
}

.rz-process__desc {
  color: var(--rz-text-secondary);
  font-size: 0.85rem;
  line-height: 1.55;
}

/* =============================================
   CTA BAND
   ============================================= */

.rz-cta-band {
  background: var(--rz-primary);
  color: white;
  padding: clamp(56px, 7vw, 88px) 0;
}

.rz-cta-band__inner {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.rz-cta-band__title {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  color: white;
  margin-bottom: 16px;
}

.rz-cta-band__desc {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.rz-cta-band .rz-btn-primary {
  background: white;
  color: var(--rz-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
.rz-cta-band .rz-btn-primary:hover {
  background: var(--rz-accent);
  color: #0f172a;
}

.rz-cta-band__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-top: 16px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--rz-radius-sm);
  transition: all var(--rz-transition);
}
.rz-cta-band__whatsapp:hover { color: white; border-color: rgba(255, 255, 255, 0.5); }

/* =============================================
   PROOF / STATS
   ============================================= */

.rz-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-proof__item {
  text-align: center;
  padding: 36px 16px;
  border-right: 1px solid var(--rz-border);
}
.rz-proof__item:last-child { border-right: none; }

.rz-proof__num {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--rz-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.rz-proof__label {
  font-size: 0.82rem;
  color: var(--rz-text-secondary);
  font-weight: 500;
}

/* =============================================
   WHATSAPP FLOATING BUTTON
   ============================================= */

.rz-wa-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 200;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--rz-transition);
  color: white;
  font-size: 1.5rem;
  text-decoration: none;
}
.rz-wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  color: white;
}

/* =============================================
   FOOTER
   ============================================= */

.rz-footer {
  background: var(--rz-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 32px;
}

.rz-footer__inner {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.rz-footer__brand .rz-logo { color: white; margin-bottom: 12px; }

.rz-footer__brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.rz-footer__heading {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: white;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rz-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rz-footer__links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  transition: color var(--rz-transition);
}
.rz-footer__links a:hover { color: white; }

.rz-footer__social { display: flex; gap: 12px; margin-top: 16px; }
.rz-footer__social a {
  width: 36px; height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  transition: all var(--rz-transition);
}
.rz-footer__social a:hover { border-color: var(--rz-accent); color: var(--rz-accent); }

.rz-footer__bottom {
  max-width: var(--rz-container);
  margin: 40px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
}

/* =============================================
   NEWSLETTER SECTION
   ============================================= */

.rz-newsletter {
  padding: clamp(48px, 6vw, 72px) 0;
  background: var(--rz-surface);
  border-top: 1px solid var(--rz-border);
  border-bottom: 1px solid var(--rz-border);
}

.rz-newsletter__inner {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.rz-newsletter__label {
  font-family: var(--rz-font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--rz-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.rz-newsletter__title {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--rz-primary-dark);
  margin-bottom: 12px;
}

.rz-newsletter__desc {
  color: var(--rz-text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 28px;
}

.rz-newsletter .rz-form-inline {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.rz-newsletter .rz-form-inline .rz-btn {
  padding-left: 28px;
  padding-right: 28px;
  flex-shrink: 0;
}

/* =============================================
   SINGLE ARTICLE / POST
   ============================================= */

.rz-post-header {
  padding: clamp(48px, 6vw, 72px) 0;
  background: var(--rz-surface);
  border-bottom: 1px solid var(--rz-border);
}

.rz-post-header__inner {
  max-width: var(--rz-content);
  margin: 0 auto;
  padding: 0 24px;
}

.rz-post-header__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.rz-post-header__category {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--rz-primary);
  background: var(--rz-primary-soft);
  padding: 5px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rz-post-header__date, .rz-post-header__read {
  font-size: 0.82rem;
  color: var(--rz-text-muted);
}

.rz-post-header__title {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.rz-post-header__excerpt {
  font-size: 1.1rem;
  color: var(--rz-text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

.rz-post-header__author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--rz-border-light);
}

.rz-post-header__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--rz-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rz-primary);
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--rz-font-display);
}

.rz-post-header__name { font-size: 0.88rem; font-weight: 600; color: var(--rz-primary-dark); }
.rz-post-header__role { font-size: 0.78rem; color: var(--rz-text-muted); }

/* Article body */
.rz-article-body {
  max-width: var(--rz-content);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.rz-article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 52px;
  margin-bottom: 16px;
}

.rz-article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 36px;
  margin-bottom: 12px;
}

.rz-article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--rz-text);
  margin-bottom: 20px;
}
.rz-article-body p:last-child { margin-bottom: 0; }

.rz-article-body a {
  color: var(--rz-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.rz-article-body a:hover { color: var(--rz-accent-hover); }

.rz-article-body strong { font-weight: 600; color: var(--rz-primary-dark); }

.rz-article-body blockquote {
  border-left: 4px solid var(--rz-accent);
  padding: 20px 28px;
  margin: 32px 0;
  background: var(--rz-surface);
  border-radius: 0 var(--rz-radius-sm) var(--rz-radius-sm) 0;
  font-style: italic;
  color: var(--rz-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.rz-article-body ul, .rz-article-body ol {
  margin: 20px 0;
  padding-left: 24px;
  color: var(--rz-text);
  font-size: 1.05rem;
  line-height: 1.8;
}
.rz-article-body li { margin-bottom: 10px; }
.rz-article-body li:last-child { margin-bottom: 0; }

.rz-article-body img {
  border-radius: var(--rz-radius);
  margin: 40px 0;
  border: 1px solid var(--rz-border);
  box-shadow: var(--rz-shadow-sm);
}

.rz-article-body hr {
  border: none;
  border-top: 1px solid var(--rz-border);
  margin: 56px 0;
}

.rz-article-body figure {
  margin: 40px 0;
}
.rz-article-body figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--rz-text-muted);
  margin-top: 12px;
}

/* Table of Contents */
.rz-toc {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 20px 24px;
  margin-bottom: 36px;
  box-shadow: var(--rz-shadow-sm);
}

.rz-toc__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rz-text-muted);
  margin-bottom: 12px;
}

.rz-toc__list { list-style: none; padding: 0; margin: 0; }
.rz-toc__list li { margin-bottom: 6px; font-size: 0.9rem; }
.rz-toc__list a { color: var(--rz-text-secondary); text-decoration: none; display: flex; gap: 8px; }
.rz-toc__list a:hover { color: var(--rz-primary); }
.rz-toc__list .rz-toc__h2 { padding-left: 0; }
.rz-toc__list .rz-toc__h3 { padding-left: 20px; font-size: 0.85rem; }

/* In-content CTA */
.rz-in-content-cta {
  background: var(--rz-primary-soft);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 36px;
  margin: 44px 0;
  text-align: center;
}

.rz-in-content-cta__title {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.rz-in-content-cta__desc {
  color: var(--rz-text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.rz-in-content-cta .rz-form-inline { max-width: 420px; margin: 0 auto; }

/* Author Bio */
.rz-author-bio {
  max-width: var(--rz-content);
  margin: 0 auto;
  padding: 36px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border-top: 1px solid var(--rz-border);
  border-bottom: 1px solid var(--rz-border);
}

.rz-author-bio__avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--rz-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rz-primary);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  font-family: var(--rz-font-display);
}

.rz-author-bio__name {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
}

.rz-author-bio__text {
  color: var(--rz-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Related posts */
.rz-related-posts {
  max-width: var(--rz-container);
  margin: 56px auto;
  padding: 0 24px;
}

.rz-related-posts__title {
  font-family: var(--rz-font-display);
  font-weight: 700;
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 32px;
}

/* =============================================
   INSIGHTS / ARCHIVE
   ============================================= */

.rz-insights-hero {
  padding: clamp(56px, 7vw, 88px) 0;
  background: var(--rz-surface);
  border-bottom: 1px solid var(--rz-border);
}

.rz-insights-hero__inner {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.rz-insights-hero__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.rz-insights-hero__sub {
  color: var(--rz-text-secondary);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

.rz-category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 28px;
}

.rz-category-filters a {
  padding: 8px 18px;
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--rz-text-secondary);
  transition: all var(--rz-transition);
}
.rz-category-filters a:hover,
.rz-category-filters a.active {
  border-color: var(--rz-primary);
  color: var(--rz-primary);
  background: var(--rz-primary-soft);
}

/* Pagination */
.rz-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 32px 0 56px;
  max-width: var(--rz-container);
  margin: 0 auto;
}

.rz-pagination a, .rz-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--rz-radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  border: 1px solid var(--rz-border);
  color: var(--rz-text);
  transition: all var(--rz-transition);
}
.rz-pagination a:hover {
  border-color: var(--rz-primary);
  color: var(--rz-primary);
  background: var(--rz-primary-soft);
}
.rz-pagination .rz-pagination--active {
  background: var(--rz-primary);
  border-color: var(--rz-primary);
  color: #fff;
}
.rz-pagination .rz-pagination--next {
  width: auto;
  padding: 0 16px;
  gap: 6px;
}

/* =============================================
   CONTACT PAGE
   ============================================= */

.rz-contact-section {
  padding: clamp(48px, 6vw, 80px) 0;
}

.rz-contact-grid {
  max-width: var(--rz-container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

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

.rz-contact-info__card {
  background: var(--rz-surface);
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  padding: 24px;
  box-shadow: var(--rz-shadow-sm);
}

.rz-contact-info__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--rz-primary-soft);
  color: var(--rz-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.rz-contact-info__title {
  font-family: var(--rz-font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 8px;
}

.rz-contact-info__text {
  color: var(--rz-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}
.rz-contact-info__text a { color: var(--rz-primary); font-weight: 500; }
.rz-contact-info__text a:hover { color: var(--rz-accent-hover); }

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
  .rz-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .rz-hero__visual { padding: 0; }

  .rz-grid-3, .rz-pillars__grid, .rz-services-grid, .rz-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .rz-footer__inner { grid-template-columns: repeat(2, 1fr); }

  .rz-proof { grid-template-columns: repeat(2, 1fr); }
  .rz-proof__item:nth-child(2) { border-right: none; }
  .rz-proof__item:nth-child(n+3) { border-top: 1px solid var(--rz-border); }

  .rz-process { grid-template-columns: repeat(2, 1fr); }
  .rz-process__step:nth-child(2)::after { display: none; }

  .rz-contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .rz-related-posts .rz-article-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .rz-nav { display: none; }
  .rz-nav-toggle { display: block; }

  .rz-nav--open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--rz-surface);
    padding: 24px;
    z-index: 99;
    gap: 0;
    align-items: stretch;
    overflow-y: auto;
  }
  .rz-nav--open .rz-nav__list { flex-direction: column; gap: 0; }
  .rz-nav--open .rz-nav__link {
    padding: 16px 0;
    border-bottom: 1px solid var(--rz-border-light);
    font-size: 1rem;
  }
  .rz-nav--open .rz-header__actions { flex-direction: column; margin-top: 20px; }
  .rz-nav--open .rz-header__actions .rz-btn,
  .rz-nav--open .rz-header__whatsapp { width: 100%; justify-content: center; }

  .rz-grid-3, .rz-pillars__grid, .rz-services-grid, .rz-article-grid {
    grid-template-columns: 1fr;
  }

  .rz-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .rz-process { grid-template-columns: 1fr; }
  .rz-process__step::after { display: none; }

  .rz-form-inline {
    flex-direction: column;
  }
  .rz-form-inline .rz-btn {
    width: 100%;
    justify-content: center;
  }
  .rz-hero-form { grid-template-columns: 1fr; }
  .rz-hero-form .rz-btn { width: 100%; }

  .rz-hero-signup {
    padding: 24px 20px;
  }

  .rz-hero-signup__label {
    font-size: 0.95rem;
  }

  .rz-hero__title { font-size: clamp(1.8rem, 8vw, 2.4rem); }

  .rz-author-bio { flex-direction: column; align-items: center; text-align: center; }
  .rz-related-posts .rz-article-grid { grid-template-columns: 1fr; }

  .rz-article-body { padding: 32px 20px 48px; }
  .rz-article-body h2 { font-size: 1.4rem; }
  .rz-article-body p { font-size: 1rem; }
}

@media (max-width: 480px) {
  .rz-post-header__meta { font-size: 0.78rem; }
  .rz-in-content-cta { padding: 24px 20px; }
  .rz-hero { padding: clamp(56px, 12vw, 96px) 0; }
}