/* SafeGuard - Base Styles */
/* Mobile-First Reset & Typography */

/* ==================== FONTS ==================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=Source+Sans+3:wght@400;500;600&display=swap');

/* ==================== RESET ==================== */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Prevent scroll when mobile nav is open */
body.nav-open {
  overflow: hidden;
}

/* ==================== TYPOGRAPHY ==================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-dark);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: var(--text-3xl);
}

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-xl);
}

h4 {
  font-size: var(--text-lg);
}

@media (min-width: 768px) {
  h1 {
    font-size: var(--text-5xl);
  }
  
  h2 {
    font-size: var(--text-4xl);
  }
  
  h3 {
    font-size: var(--text-2xl);
  }
  
  h4 {
    font-size: var(--text-xl);
  }
}

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

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

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

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

strong {
  font-weight: var(--font-semibold);
}

/* ==================== LISTS ==================== */

ul, ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

li {
  margin-bottom: var(--space-2);
}

li:last-child {
  margin-bottom: 0;
}

/* ==================== IMAGES ==================== */

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

/* ==================== BUTTONS ==================== */

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==================== FORMS ==================== */

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

input:focus,
textarea:focus,
select:focus {
  outline: none;
}

/* ==================== SELECTION ==================== */

::selection {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

/* ==================== SCROLLBAR ==================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ==================== FOCUS STYLES ==================== */

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==================== ACCESSIBILITY ==================== */

.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;
}

/* ==================== ANIMATIONS ==================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--color-accent-glow);
  }
  50% {
    box-shadow: 0 0 20px 10px var(--color-accent-glow);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes blob {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(20px, -20px) scale(1.1);
  }
  50% {
    transform: translate(-10px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-20px, -10px) scale(1.05);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slide-up {
  animation: slideInUp 0.6s ease forwards;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Intersection Observer animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: 
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade"] {
  transform: none;
}

[data-animate="scale"] {
  transform: scale(0.95);
}

[data-animate="scale"].visible {
  transform: scale(1);
}

[data-animate="slide-left"] {
  transform: translateX(-30px);
}

[data-animate="slide-left"].visible {
  transform: translateX(0);
}

[data-animate="slide-right"] {
  transform: translateX(30px);
}

[data-animate="slide-right"].visible {
  transform: translateX(0);
}

/* Section scroll animations */
.section {
  opacity: 0;
  transform: translateY(40px);
  transition: 
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

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

/* Cards ready for animation */
.animate-ready {
  opacity: 0;
  transform: translateY(20px);
  transition: 
    opacity var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Hero is always visible */
.hero {
  opacity: 1;
  transform: none;
}

/* ==================== REDUCED MOTION ==================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}