/* ============================================================
   INSTITUTO SANTA ROSA CENTRAL - Reset & Base Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Open+Sans:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover { color: var(--color-primary); }

ul, ol { list-style: none; }

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

button {
  font-family: var(--font-primary);
  border: none;
  cursor: pointer;
  background: none;
}

input, textarea, select {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 { font-size: clamp(1.8rem, 4vw, var(--font-size-5xl)); }
h2 { font-size: clamp(1.5rem, 3vw, var(--font-size-4xl)); }
h3 { font-size: clamp(1.2rem, 2.5vw, var(--font-size-3xl)); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

/* === HELPERS === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-white   { color: var(--color-white); }
.text-dark    { color: var(--color-gray-900); }
.text-muted   { color: var(--color-gray-500); }

.bg-white  { background-color: var(--color-white); }
.bg-light  { background-color: var(--bg-light); }
.bg-dark   { background-color: var(--bg-dark); }
.bg-red    { background-color: var(--bg-red); }

.fw-bold     { font-weight: var(--font-weight-bold); }
.fw-semibold { font-weight: var(--font-weight-semibold); }
.fw-medium   { font-weight: var(--font-weight-medium); }

.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

.section-padding {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-padding-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* Fade in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }