/* ===================================================
   MAIN.CSS — Variables · Reset · Typography · Utilities
   =================================================== */

:root {
  /* Colors — text-safe (WCAG AA) */
  --color-primary:      #6B4E8A;
  --color-primary-dark: #3D2B5E;
  --color-text:         #4A4A6A;
  --color-white:        #FFFFFF;

  /* Colors — decorative only (never for body text) */
  --color-accent:       #C4A882;
  --color-lilac-mid:    #9E7BB5;
  --color-bg-warm:      #F5EDE8;
  --color-bg-lavender:  #FAF5FF;
  --color-whatsapp:     #25D366;

  /* Typography */
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body:  'Nunito', system-ui, sans-serif;

  /* Spacing */
  --sp-xs:  8px;
  --sp-sm:  16px;
  --sp-md:  24px;
  --sp-lg:  48px;
  --sp-xl:  80px;

  /* Layout */
  --container-max: 1100px;
  --container-pad: 20px;

  /* Transitions */
  --t-fast: 0.2s ease;
  --t-base: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  background: var(--color-white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--color-primary-dark);
  line-height: 1.35;
}

h1 { font-size: clamp(28px, 5vw, 48px); }
h2 { font-size: clamp(22px, 4vw, 36px); }
h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(17px, 2.5vw, 22px);
}

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* ── Utilities ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--sp-xs);
}

.section-title {
  margin-bottom: var(--sp-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  padding: 13px 26px;
  border-radius: 32px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  border: none;
  text-decoration: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn:hover  { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.15); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }

.btn--whatsapp  { background: var(--color-whatsapp); color: var(--color-white); }
.btn--primary   { background: var(--color-primary);   color: var(--color-white); }
.btn--primary-dark { background: var(--color-primary-dark); color: var(--color-white); }
.btn--outline   { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn--outline-white { background: transparent; color: var(--color-white); border: 2px solid rgba(255,255,255,.7); }

/* ── Section wrapper ── */
.section {
  padding: 72px var(--container-pad);
}

@media (min-width: 768px) {
  .section { padding: 96px var(--container-pad); }
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--sp-sm); }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-sm); }

@media (min-width: 640px)  { .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 768px)  { .grid-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 900px)  { .grid-2 { grid-template-columns: 1fr 1fr; gap: var(--sp-md); } }