/* ============================================================
   SD SUSTER THEME — DESIGN SYSTEM & GLOBAL STYLES
   main.css
   ============================================================ */

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

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --color-navy:        #12372A;
  --color-navy-light:  #1F5A43;
  --color-royal:       #0A7A3E;
  --color-royal-dark:  #075E31;
  --color-gold:        #D7262E;
  --color-gold-dark:   #B91C24;
  --color-white:       #FFFFFF;
  --color-surface:     #F7FAF8;
  --color-surface-2:   #ECF7F0;
  --color-border:      #E2E8F0;
  --color-text:        #1E293B;
  --color-text-muted:  #64748B;
  --color-text-light:  #94A3B8;

  /* Gradients */
  --gradient-hero:    linear-gradient(135deg, #12372A 0%, #1F5A43 55%, #0A7A3E 100%);
  --gradient-gold:    linear-gradient(135deg, #E33A42, #B91C24);
  --gradient-royal:   linear-gradient(135deg, #0A7A3E, #075E31);
  --gradient-surface: linear-gradient(180deg, #ECF7F0 0%, #F7FAF8 100%);

  /* Typography */
  --font-main:    'Plus Jakarta Sans', sans-serif;
  --font-body:    'Inter', sans-serif;
  --text-xs:      0.75rem;    /* 12px */
  --text-sm:      0.875rem;   /* 14px */
  --text-base:    1rem;       /* 16px */
  --text-lg:      1.125rem;   /* 18px */
  --text-xl:      1.25rem;    /* 20px */
  --text-2xl:     1.5rem;     /* 24px */
  --text-3xl:     1.875rem;   /* 30px */
  --text-4xl:     2.25rem;    /* 36px */
  --text-5xl:     3rem;       /* 48px */
  --text-6xl:     3.75rem;    /* 60px */

  /* 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:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-2xl:  2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
  --shadow-navy: 0 8px 30px rgba(18,55,42,0.25);
  --shadow-royal: 0 8px 30px rgba(10,122,62,0.30);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1rem, 4vw, 2rem);
  --section-pad:   clamp(3rem, 8vw, 6rem);
}

/* --- CSS Reset & Box Model --- */
*,
*::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(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .hero__title, .section-title {
  font-family: var(--font-main);
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

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

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

.section--surface-2 {
  background: var(--gradient-surface);
}

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

/* Elementor pages replace legacy templates while retaining the site shell. */
.sdsuster-elementor-content {
  min-height: 50vh;
}

.sdsuster-singular .sdsuster-elementor-content {
  padding-top: 84px;
}

.elementor-template-canvas .sdsuster-elementor-content {
  padding-top: 0;
}

/* --- Typography Utilities --- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-royal);
  margin-bottom: var(--space-3);
}

.section-tag::before {
  content: '';
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--gradient-royal);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

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

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

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

.section-header {
  margin-bottom: var(--space-12);
}

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

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

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

/* --- Button Components --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
}

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

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(37,99,235,0.40);
  color: var(--color-white);
}

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

.btn--gold {
  background: var(--gradient-gold);
  color: var(--color-white);
  box-shadow: 0 8px 25px rgba(245,158,11,0.35);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(245,158,11,0.45);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --- Card Component --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37,99,235,0.15);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--gold {
  background: rgba(245,158,11,0.12);
  color: var(--color-gold-dark);
}

.badge--royal {
  background: rgba(37,99,235,0.10);
  color: var(--color-royal);
}

/* --- Animate on Scroll (Intersection Observer ready) --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.elementor-editor-active .animate-on-scroll,
.elementor-editor-preview .animate-on-scroll,
.sdsuster-elementor-edit-mode .animate-on-scroll {
  opacity: 1;
  transform: none;
}

.elementor-editor-active .animate-on-scroll,
.elementor-editor-preview .animate-on-scroll,
.sdsuster-elementor-edit-mode .animate-on-scroll {
  transition-delay: 0s !important;
}

.animate-on-scroll--delay-1 { transition-delay: 0.1s; }
.animate-on-scroll--delay-2 { transition-delay: 0.2s; }
.animate-on-scroll--delay-3 { transition-delay: 0.3s; }
.animate-on-scroll--delay-4 { transition-delay: 0.4s; }

/* --- Grid Utilities --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

/* --- Screen Reader Only --- */
.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;
}

/* ============================================================
   MODERN UI UTILITIES (Glassmorphism & Hover Effects)
   ============================================================ */

/* Glassmorphism Panel */
.glass-panel {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl, 20px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
}

.glass-panel--dark {
  background: rgba(18, 55, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Soft Shadows for Modern Cards */
.soft-shadow {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0,0,0,0.02);
  transition: box-shadow var(--transition-base);
}

/* Hover Lift Effect */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0,0,0,0.04);
}

/* Accent Text Utilities */
.text-gold { color: var(--color-gold) !important; }
.text-white { color: var(--color-white) !important; }
.text-mint { color: #6EE7B7 !important; }