/* ============================================
   SafeBlock — Base Styles
   Reset, Typography, Global Defaults
   ============================================ */

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

/* --- HTML & Body --- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
}

body {
  font-family: var(--sb-font-body);
  font-size: var(--sb-fs-body);
  font-weight: var(--sb-fw-regular);
  line-height: var(--sb-lh-normal);
  color: var(--sb-gray-200);
  background-color: var(--sb-black);
  overflow-x: hidden;
  min-height: 100vh;
}

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

::-webkit-scrollbar-track {
  background: var(--sb-gray-900);
}

::-webkit-scrollbar-thumb {
  background: var(--sb-gray-600);
  border-radius: var(--sb-radius-full);
  transition: background var(--sb-transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--sb-yellow);
}

/* --- Text Selection --- */
::selection {
  background: var(--sb-yellow-30);
  color: var(--sb-white);
}

::-moz-selection {
  background: var(--sb-yellow-30);
  color: var(--sb-white);
}

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

/* --- Links --- */
a {
  color: var(--sb-yellow);
  text-decoration: none;
  transition: color var(--sb-transition-fast);
}

a:hover {
  color: var(--sb-yellow-light);
}

/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--sb-font-heading);
  font-weight: var(--sb-fw-bold);
  line-height: var(--sb-lh-tight);
  letter-spacing: var(--sb-ls-tight);
  color: var(--sb-white);
  margin-bottom: var(--sb-space-md);
}

h1 {
  font-size: var(--sb-fs-h1);
}

h2 {
  font-size: var(--sb-fs-h2);
}

h3 {
  font-size: var(--sb-fs-h3);
}

h4 {
  font-size: var(--sb-fs-h4);
}

h5 {
  font-size: var(--sb-fs-h5);
}

h6 {
  font-size: var(--sb-fs-h6);
}

p {
  margin-bottom: var(--sb-space-md);
  color: var(--sb-gray-300);
  line-height: var(--sb-lh-relaxed);
}

/* --- Display Heading --- */
.sb-display {
  font-size: var(--sb-fs-display);
  font-weight: var(--sb-fw-extrabold);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

/* --- Gradient Text --- */
.sb-text-gradient {
  background: var(--sb-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Section Title Pattern --- */
.sb-section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sb-space-xs);
  font-family: var(--sb-font-body);
  font-size: var(--sb-fs-overline);
  font-weight: var(--sb-fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--sb-ls-widest);
  color: var(--sb-yellow);
  margin-bottom: var(--sb-space-lg);
  padding: var(--sb-space-xs) var(--sb-space-lg);
  border: 1px solid var(--sb-yellow-20);
  border-radius: var(--sb-radius-full);
  background: var(--sb-yellow-50);
}

.sb-section-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sb-yellow);
  animation: sb-pulse 2s ease-in-out infinite;
}

.sb-section-title {
  font-size: 30px;
    font-weight: var(--sb-fw-bold);
    color: var(--sb-white);
    margin-bottom: 5px;
    max-width: 700px;
}

.sb-section-subtitle {
  font-size: 15px;
  color: var(--sb-gray-400);
  max-width: 600px;
  line-height: var(--sb-lh-relaxed);
}

.sb-section-header {
  text-align: center;
  margin-bottom: var(--sb-space-4xl);
}

.sb-section-header .sb-section-title,
.sb-section-header .sb-section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --- Section Base --- */
.sb-section {
  padding: var(--sb-section-py) 0;
  position: relative;
  overflow: hidden;
}

.sb-section-alt {
  background: var(--sb-gradient-section-alt);
}

.sb-section-dark {
  background: var(--sb-gray-950);
}

/* --- Images --- */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Lists --- */
ul,
ol {
  list-style: none;
}

/* --- Buttons Reset --- */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

/* --- Input Reset --- */
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

/* --- Table Reset --- */
table {
  border-collapse: collapse;
  width: 100%;
}

/* --- Horizontal Rule --- */
hr {
  border: none;
  border-top: 1px solid var(--sb-gray-700);
  margin: var(--sb-space-2xl) 0;
}

/* --- Utility: Screen Reader Only --- */
.sb-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;
}

/* --- Utility Helpers --- */
.sb-w-100 {
  width: 100%;
}

.sb-justify-center {
  justify-content: center;
}

.sb-mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* --- Utility: Text Colors --- */
.sb-text-yellow {
  color: var(--sb-yellow);
}

.sb-text-white {
  color: var(--sb-white);
}

.sb-text-muted {
  color: var(--sb-gray-400);
}

.sb-text-light {
  color: var(--sb-gray-300);
}

/* --- Utility: Backgrounds --- */
.sb-bg-dark {
  background-color: var(--sb-gray-900);
}

.sb-bg-darker {
  background-color: var(--sb-gray-950);
}

/* --- Scroll Progress Bar --- */
/* --- Loading Screen --- */
.sb-loading-screen {
  position: fixed;
  inset: 0;
  z-index: var(--sb-z-loading);
  background: var(--sb-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sb-space-xl);
  transition: opacity 0.6s var(--sb-ease-smooth), visibility 0.6s;
}

.sb-loading-screen.sb-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.sb-loading-logo {
  font-family: var(--sb-font-heading);
  font-size: 2rem;
  font-weight: var(--sb-fw-bold);
  color: var(--sb-white);
  letter-spacing: var(--sb-ls-wide);
}

.sb-loading-logo span {
  color: var(--sb-yellow);
}

.sb-loading-bar {
  width: 200px;
  height: 3px;
  background: var(--sb-gray-800);
  border-radius: var(--sb-radius-full);
  overflow: hidden;
}

.sb-loading-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--sb-gradient-primary);
  border-radius: var(--sb-radius-full);
  animation: sb-loading-fill 1.5s var(--sb-ease-out-expo) forwards;
}

/* --- Custom Cursor --- */
.sb-cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--sb-yellow);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--sb-z-cursor);
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}

.sb-cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--sb-yellow-60);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--sb-z-cursor);
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--sb-ease-spring),
    height 0.3s var(--sb-ease-spring),
    border-color 0.3s;
}

.sb-cursor-hover .sb-cursor-dot {
  width: 12px;
  height: 12px;
  background: var(--sb-yellow-60);
}

.sb-cursor-hover .sb-cursor-ring {
  width: 50px;
  height: 50px;
  border-color: var(--sb-yellow-30);
}

/* --- Back to Top Button --- */
.sb-back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--sb-radius-lg);
  background: var(--sb-glass-bg);
  backdrop-filter: var(--sb-glass-blur);
  border: 1px solid var(--sb-glass-border);
  color: var(--sb-yellow);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--sb-z-sticky);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--sb-transition-base);
  cursor: pointer;
}

.sb-back-top.sb-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sb-back-top:hover {
  background: var(--sb-yellow);
  color: var(--sb-black);
  box-shadow: var(--sb-shadow-glow-sm);
  transform: translateY(-3px);
}

/* --- Floating Support Button --- */
.sb-support-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 52px;
  height: 52px;
  border-radius: var(--sb-radius-full);
  background: var(--sb-gradient-primary);
  color: var(--sb-black);
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--sb-z-sticky);
  box-shadow: var(--sb-shadow-glow-yellow);
  cursor: pointer;
  transition: all var(--sb-transition-base);
  opacity: 0.9;
}

.sb-support-float:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 40px var(--sb-yellow-40), 0 0 100px var(--sb-yellow-20);
  opacity: 1;
}

@media (max-width: 1200px) {
  .sb-support-float {
    bottom: 1.5rem;
    left: 1.5rem;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .sb-support-float {
    bottom: 1rem;
    left: 1rem;
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  .sb-support-float {
    bottom: 0.75rem;
    left: 0.75rem;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* --- Glass Card Base --- */
.sb-glass-card {
  background: var(--sb-glass-bg);
  backdrop-filter: var(--sb-glass-blur);
  -webkit-backdrop-filter: var(--sb-glass-blur);
  border: 1px solid var(--sb-glass-border);
  border-radius: var(--sb-radius-xl);
  padding: var(--sb-space-2xl);
  transition: all var(--sb-transition-base);
}

.sb-glass-card:hover {
  border-color: var(--sb-yellow-20);
  box-shadow: var(--sb-shadow-card-hover);
  transform: translateY(-4px);
}

/* --- Glow Border Card --- */
.sb-glow-card {
  position: relative;
  background: var(--sb-gray-800);
  border-radius: var(--sb-radius-xl);
  padding: var(--sb-space-2xl);
  overflow: hidden;
  transition: all var(--sb-transition-base);
}

.sb-glow-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--sb-yellow-30), transparent 40%, transparent 60%, var(--sb-yellow-20));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--sb-transition-base);
}

.sb-glow-card:hover::before {
  opacity: 1;
}

.sb-glow-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sb-shadow-card-hover);
}

/* --- Divider --- */
.sb-divider {
  width: 60px;
  height: 3px;
  background: var(--sb-gradient-primary);
  border-radius: var(--sb-radius-full);
  margin: var(--sb-space-lg) 0;
}

.sb-divider-center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Inner Wrapper for Bootstrap Columns --- */
.sb-col-inner {
  height: 100%;
}