/* ==========================================================================
   SlikWeb Base Styles, Typography & Reset
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

button,
input[type="button"],
input[type="submit"],
.btn,
.nav-link,
.theme-toggle-btn,
.currency-btn,
.badge,
.currency-toggle,
.mobile-nav-item,
.mobile-nav-card,
.mobile-nav-mini-card,
.terminal-copy-btn,
.status-dot,
svg,
img {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.6;
  width: 100%;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
  background-color: var(--background);
  color: var(--text-primary);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-xs);
}

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

/* Selection */
::selection {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

[data-theme="light"] ::selection {
  background: rgba(0, 0, 0, 0.15);
  color: #000000;
}

/* Accessibility Focus */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

/* Hero Heading Strict Specification:
   Desktop: 72px to 92px, 600 weight, -0.045em letter-spacing, line-height 0.98 to 1.05
   Mobile: 44px to 56px
*/
.hero-title {
  font-size: clamp(44px, 7vw, 90px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.98;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto 32px auto;
  font-weight: 400;
  letter-spacing: -0.015em;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border);
}

.section-title {
  font-size: clamp(34px, 4.5vw, 54px);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin-bottom: 16px;
  font-weight: 600;
}

.section-subtitle {
  font-size: clamp(16px, 1.8vw, 18px);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.55;
  font-weight: 400;
}

p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
}

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

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: var(--section-spacing);
  padding-bottom: var(--section-spacing);
  position: relative;
}

.section-sm {
  padding-top: calc(var(--section-spacing) * 0.6);
  padding-bottom: calc(var(--section-spacing) * 0.6);
}

/* Grid System */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }
  .section {
    padding-top: var(--section-spacing-mobile);
    padding-bottom: var(--section-spacing-mobile);
  }
  .container, .container-wide {
    padding-left: 16px;
    padding-right: 16px;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
  }
}

@media (max-width: 640px) {
  .hero-cta-group,
  .hero-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 100% !important;
    max-width: 320px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    gap: 10px !important;
  }
  .hero-cta-group .btn,
  .hero-actions .btn {
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    text-align: center !important;
    box-sizing: border-box !important;
  }
  .btn-lg {
    padding: 12px 20px !important;
    font-size: 14px !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.01em;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: var(--btn-primary-bg);
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
  color: var(--btn-primary-text);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover);
  border-color: var(--border-focus);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-ghost:hover {
  background-color: var(--surface-secondary);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* Badges & Status Indicators */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background-color: var(--surface-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--status-green);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--status-green);
  display: inline-block;
}

.status-dot-pulse {
  box-shadow: 0 0 0 0 var(--status-green-glow);
  animation: pulse-green 2.5s infinite;
}

/* Code & Pre Blocks */
pre, code {
  font-family: var(--font-mono);
  max-width: 100%;
  box-sizing: border-box;
}

pre {
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
}

@keyframes pulse-green {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Background Grids & Patterns */
.bg-grid-pattern {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-color) 1px, transparent 1px);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }