/* =============================================
   AVON REMEDIES — GLOBAL DESIGN SYSTEM
   ============================================= */

/* ── Google Fonts ─────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600&display=swap');

/* ── CSS Custom Properties (Design Tokens) ── */
:root {
  /* Colors */
  --clr-primary:      #1A4EC4;
  --clr-primary-dark: #1340A8;
  --clr-primary-light:#2563EB;
  --clr-accent:       #3B82F6;
  --clr-bg:           #EEF2FF;
  --clr-bg-alt:       #F8FAFF;
  --clr-white:        #FFFFFF;
  --clr-text:         #0F172A;
  --clr-text-muted:   #64748B;
  --clr-text-light:   #94A3B8;
  --clr-border:       #E2E8F0;
  --clr-card:         #FFFFFF;
  --clr-success:      #10B981;
  --clr-whatsapp:     #25D366;

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

  /* Font Sizes (fluid) */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

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

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(26,78,196,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(26,78,196,0.10), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:  0 10px 40px rgba(26,78,196,0.14), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 20px 60px rgba(26,78,196,0.18);

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;

  /* Layout */
  --nav-height: 72px;
  --container:  1200px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

ul, ol { list-style: none; }

/* ── Layout Utilities ─────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

/* ── Typography ───────────────────────────── */
.heading-display {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--clr-primary);
}

.heading-section {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.2;
}

.subheading {
  font-size: var(--text-lg);
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.label-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-primary);
}

/* ── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.6rem;
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 2px 10px rgba(26,78,196,0.30);
}

.btn-primary:hover {
  background: var(--clr-primary-dark);
  box-shadow: 0 4px 20px rgba(26,78,196,0.40);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1.5px solid var(--clr-primary);
}

.btn-outline:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-1px);
}

.btn-white {
  background: var(--clr-white);
  color: var(--clr-primary);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background: var(--clr-bg);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: var(--clr-whatsapp);
  color: var(--clr-white);
  box-shadow: 0 2px 10px rgba(37,211,102,0.35);
}

.btn-whatsapp:hover {
  background: #1ebe5a;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

/* ── Cards ────────────────────────────────── */
.card {
  background: var(--clr-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ── Section Header ───────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header .label-tag {
  margin-bottom: var(--space-3);
  display: block;
}

.section-header .heading-section {
  margin-bottom: var(--space-4);
}

.section-divider {
  width: 56px;
  height: 3px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto 0;
}

/* ── Form Elements ────────────────────────── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-text);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-white);
  color: var(--clr-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(26,78,196,0.10);
}

.form-control::placeholder {
  color: var(--clr-text-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ── Responsive Grid ──────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

/* ── Scroll Reveal Animation ──────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Responsive Breakpoints ───────────────── */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-16: 3rem;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .heading-section {
    font-size: var(--text-3xl);
  }

  .container {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 480px) {
  .heading-section {
    font-size: var(--text-2xl);
  }
}