/* ============================================================
   CORPORACIÓN ANDERSON DAVID S.A.C. — Design Tokens
   Ag.3 Arquitectura Técnica · Altive Solutions
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&family=Barlow+Semi+Condensed:wght@400;600&family=Source+Sans+3:wght@400;600&display=swap');

/* --- Paleta de color --------------------------------------- */
:root {
  --ad-navy:   #0A2240;
  --ad-blue:   #1B4F8A;
  --ad-sky:    #2A80C8;
  --ad-ice:    #E8F3FB;
  --ad-white:  #FAFBFC;
  --ad-ink:    #111827;
  --ad-slate:  #374151;
  --ad-amber:  #D97B2A;

  /* Derivados */
  --ad-navy-deep:   #061525;
  --ad-navy-mid:    #0e2e52;
  --ad-sky-light:   #4f9fd4;
  --ad-sky-dark:    #1a6aab;
  --ad-ice-dark:    #cde5f5;
  --ad-amber-light: #e8952f;
  --ad-text-muted:  #6B7280;

  /* --- Tipografía ------------------------------------------ */
  --font-display:  'Barlow Condensed', sans-serif;
  --font-heading:  'Barlow Semi Condensed', sans-serif;
  --font-body:     'Source Sans 3', sans-serif;

  --fs-xs:    0.75rem;    /* 12px */
  --fs-sm:    0.875rem;   /* 14px */
  --fs-base:  1rem;       /* 16px */
  --fs-md:    1.125rem;   /* 18px */
  --fs-lg:    1.25rem;    /* 20px */
  --fs-xl:    1.5rem;     /* 24px */
  --fs-2xl:   2rem;       /* 32px */
  --fs-3xl:   2.5rem;     /* 40px */
  --fs-4xl:   3rem;       /* 48px */
  --fs-5xl:   3.75rem;    /* 60px */
  --fs-6xl:   4.5rem;     /* 72px */

  /* --- Espaciado ------------------------------------------- */
  --sp-1:   0.25rem;
  --sp-2:   0.5rem;
  --sp-3:   0.75rem;
  --sp-4:   1rem;
  --sp-5:   1.25rem;
  --sp-6:   1.5rem;
  --sp-8:   2rem;
  --sp-10:  2.5rem;
  --sp-12:  3rem;
  --sp-16:  4rem;
  --sp-20:  5rem;
  --sp-24:  6rem;
  --sp-32:  8rem;

  /* --- Radios ---------------------------------------------- */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   16px;
  --r-full: 9999px;

  /* --- Sombras --------------------------------------------- */
  --shadow-sm:  0 1px 3px rgba(10,34,64,0.12), 0 1px 2px rgba(10,34,64,0.08);
  --shadow-md:  0 4px 12px rgba(10,34,64,0.15), 0 2px 6px rgba(10,34,64,0.10);
  --shadow-lg:  0 10px 30px rgba(10,34,64,0.20), 0 4px 12px rgba(10,34,64,0.12);
  --shadow-xl:  0 20px 50px rgba(10,34,64,0.25), 0 8px 20px rgba(10,34,64,0.15);
  --shadow-sky: 0 4px 20px rgba(42,128,200,0.35);

  /* --- Transiciones ---------------------------------------- */
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:     150ms;
  --dur-base:     250ms;
  --dur-slow:     350ms;
  --dur-reveal:   500ms;

  /* --- Z-index scale --------------------------------------- */
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal-bg: 300;
  --z-modal:    400;
  --z-toast:    500;
  --z-tooltip:  600;

  /* --- Layout --------------------------------------------- */
  --container-max: 1200px;
  --container-pad: clamp(var(--sp-5), 5vw, var(--sp-12));
  --section-pad-y: clamp(var(--sp-16), 8vw, var(--sp-24));
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--ad-ink);
  background-color: var(--ad-white);
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4 {
  overflow-wrap: break-word;
}

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

.section {
  padding-block: var(--section-pad-y);
}

.section--ice {
  background-color: var(--ad-ice);
}

.section--navy {
  background-color: var(--ad-navy);
  color: var(--ad-white);
}

/* Eyebrow label */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ad-sky);
  display: inline-block;
  margin-bottom: var(--sp-3);
}

.section--navy .eyebrow {
  color: var(--ad-amber);
}

/* Headings */
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ad-navy);
  text-wrap: balance;
}

.section--navy .section-title,
.section--blue .section-title {
  color: var(--ad-white);
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(var(--fs-md), 2vw, var(--fs-lg));
  color: var(--ad-slate);
  margin-top: var(--sp-4);
  max-width: 60ch;
  line-height: 1.55;
}

.section--navy .section-subtitle {
  color: rgba(232,243,251,0.75);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--r-md);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background-color: var(--ad-sky);
  color: var(--ad-white);
  border-color: var(--ad-sky);
  box-shadow: var(--shadow-sky);
}

.btn--primary:hover {
  background-color: var(--ad-sky-dark);
  border-color: var(--ad-sky-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(42,128,200,0.45);
}

.btn--outline {
  background-color: transparent;
  color: var(--ad-white);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline:hover {
  background-color: rgba(255,255,255,0.12);
  border-color: var(--ad-white);
  transform: translateY(-2px);
}

.btn--outline-navy {
  background-color: transparent;
  color: var(--ad-navy);
  border-color: var(--ad-navy);
}

.btn--outline-navy:hover {
  background-color: var(--ad-navy);
  color: var(--ad-white);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--ad-white);
  border-color: #25D366;
}

.btn--whatsapp:hover {
  background-color: #1eb855;
  border-color: #1eb855;
  transform: translateY(-2px);
}

.btn svg {
  flex-shrink: 0;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.25rem 0.65rem;
  border-radius: var(--r-full);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge--amber {
  background-color: var(--ad-amber);
  color: var(--ad-white);
}

.badge--sky {
  background-color: var(--ad-sky);
  color: var(--ad-white);
}

/* Reveal animation */
.reveal {
  opacity: 1;
  transform: none;
}

.reveal[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-reveal) var(--ease-out),
              transform var(--dur-reveal) var(--ease-out);
}

.reveal[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Divider line — uso reservado, no en cada sección */
.divider {
  width: 40px;
  height: 2px;
  background: var(--ad-sky);
  border-radius: 1px;
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-6);
}