/* ==========================================================================
   AC LUCRO CERTO - Main Design System
   main.css
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* --- Colors --- */
  --primary:         #0A2647;
  --primary-light:   #144272;
  --primary-mid:     #1A3A5C;
  --accent:          #C9952A;
  --accent-light:    #E8B84B;
  --accent-dark:     #A07818;
  --bg-dark:         #060E1A;
  --bg-section:      #F4F6FA;
  --bg-section-alt:  #FFFFFF;
  --text-primary:    #0D1B2A;
  --text-secondary:  #374151;
  --text-muted:      #6B7280;
  --text-light:      #9CA3AF;
  --white:           #FFFFFF;
  --border:          #E5E7EB;
  --border-dark:     #1E3A5F;
  --shadow-sm:       0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:       0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.07);
  --shadow-lg:       0 12px 40px rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl:       0 24px 64px rgba(0,0,0,0.20);
  --shadow-gold:     0 8px 32px rgba(201,149,42,0.25);

  /* --- Typography --- */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* --- Font Sizes (fluid clamp) --- */
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  3rem;
  --fs-6xl:  clamp(2.5rem, 5vw, 4rem);
  --fs-hero: clamp(2.75rem, 6vw, 5rem);

  /* --- 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;
  --space-32: 8rem;

  /* --- Layout --- */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 5vw, 3rem);
  --navbar-h:      80px;

  /* --- Border Radius --- */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-fast:   150ms cubic-bezier(0.4,0,0.2,1);
  --transition-base:   250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   400ms cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 300ms cubic-bezier(0.34,1.56,0.64,1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--text-primary);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--text-primary);
  font-weight: 700;
}

h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-6xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p { line-height: 1.75; }

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

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

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

.section--alt {
  background-color: var(--bg-section);
}

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

/* --------------------------------------------------------------------------
   Section Labels & Headings
   -------------------------------------------------------------------------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: var(--fs-6xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.section-heading span {
  color: var(--accent);
}

.section-heading--white {
  color: var(--white);
}

.section-subtext {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.8;
}

.section-subtext--white {
  color: rgba(255,255,255,0.75);
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-label {
  justify-content: center;
}

.section-header--center .section-subtext {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Decorative Gold Divider
   -------------------------------------------------------------------------- */
.gold-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  margin-block: var(--space-6);
}

.gold-divider--center {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Animations (Scroll-triggered fade-in)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   Grid Utilities
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Flex Utilities
   -------------------------------------------------------------------------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

/* --------------------------------------------------------------------------
   Text Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-accent  { color: var(--accent); }
.text-white   { color: var(--white); }
.text-muted   { color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Responsive Helpers
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  :root {
    --navbar-h: 70px;
  }
}

@media (min-width: 769px) {
  .show-mobile { display: none !important; }
}

/* --------------------------------------------------------------------------
   Scrollbar Styling
   -------------------------------------------------------------------------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-section); }
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* --------------------------------------------------------------------------
   Selection
   -------------------------------------------------------------------------- */
::selection {
  background: var(--accent);
  color: var(--white);
}