/* =====================================================
   TEBEZ SOLUCIONES — Design Tokens & Variables
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Barlow+Condensed:wght@600;700;800&display=swap');

:root {
  /* Brand Colors */
  --yellow:        #F5C800;
  --yellow-light:  #FFF0A0;
  --yellow-dark:   #D4A900;
  --black:         #0D0D0D;
  --gray-900:      #1A1A1A;
  --gray-800:      #2C2C2C;
  --gray-700:      #444;
  --gray-500:      #888;
  --gray-300:      #CACACA;
  --gray-100:      #F4F4F4;
  --white:         #FFFFFF;

  /* Typography */
  --font-body:     'Inter', system-ui, sans-serif;
  --font-display:  'Barlow Condensed', 'Inter', sans-serif;

  /* Spacing */
  --section-gap:   5rem;
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  /* Shadows */
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:     0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:     0 12px 48px rgba(0,0,0,0.14);
  --shadow-yellow: 0 4px 24px rgba(245,200,0,0.30);

  /* Transitions */
  --transition:    all 0.28s cubic-bezier(0.4,0,0.2,1);

  /* WhatsApp */
  --wa-green: #25D366;
}

/* =====================================================
   GLOBAL RESET & BASE
   ===================================================== */

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

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

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* =====================================================
   UTILITY CLASSES
   ===================================================== */

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.text-yellow  { color: var(--yellow-dark); }
.text-black   { color: var(--black); }
.text-center  { text-align: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--black);
  color: var(--yellow);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
  box-shadow: var(--shadow-yellow);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  border-color: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,200,0,0.40);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover {
  background: var(--black);
  color: var(--yellow);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn-dark:hover {
  background: var(--gray-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

/* =====================================================
   SECTION TITLE SYSTEM
   ===================================================== */

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--yellow-dark);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--black);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-700);
  max-width: 600px;
  margin: 0.8rem auto 0;
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--gray-100);
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--yellow);
}

/* =====================================================
   DIVIDER / DECORATIVE
   ===================================================== */

.yellow-line {
  display: inline-block;
  width: 48px;
  height: 4px;
  background: var(--yellow);
  border-radius: 2px;
  margin-bottom: 1rem;
}

/* =====================================================
   SCROLL ANIMATION BASE
   ===================================================== */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }