/**
 * Theme Styles
 * 
 * Core theme styles including typography, resets, buttons, forms,
 * layout helpers, section spacing, and RTL utilities.
 */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300..700&display=swap");

/* ========================================
   RESETS & BASE
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-heading);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
}

h2 {
  /* font-size: var(--font-size-h2); */
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-h5);
  font-weight: var(--font-weight-medium);
}

h6 {
  font-size: var(--font-size-h6);
  font-weight: var(--font-weight-medium);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: var(--transition-all);
}

a:hover,
a:focus {
  color: var(--text-link-hover);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Links with underline effect */
.underline a {
  display: inline;
  background-image: linear-gradient(to right, currentColor 0, currentColor 100%);
  background-position: 0 90%;
  background-repeat: no-repeat;
  background-size: 0 2px;
  transition: all var(--transition-base), background-size 0.8s;
}

.underline a:hover {
  background-size: 100% 2px;
}

/* Text utilities */
.text-primary {
  color: var(--text-primary);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-heading {
  color: var(--text-heading);
}

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

.text-inverse {
  color: var(--text-inverse);
}

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

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

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

.text-bold {
  font-weight: var(--font-weight-bold);
}

.text-semibold {
  font-weight: var(--font-weight-semibold);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn,
button,
.rs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: var(--border-width-medium) solid transparent;
  border-radius: 0;
  transition: var(--transition-all);
  background-color: transparent;
}

.btn:focus,
button:focus,
.rs-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled,
button:disabled,
.rs-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn-primary,
.rs-btn.has-theme-orange {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-primary:hover,
.rs-btn.has-theme-orange:hover {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

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

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--bg-secondary);
  color: var(--text-heading);
}

/* Button with background */
.rs-btn.has-bg {
  background-color: var(--color-primary);
}

/* Button sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* Button with icon */
.rs-btn.has-icon .icon-box {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ========================================
   FORMS
   ======================================== */
input,
select,
textarea {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: var(--border-width-thin) solid var(--border-color-primary);
  border-radius: 0;
  transition: var(--transition-all);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--placeholder-color);
  opacity: var(--placeholder-opacity);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--bg-secondary);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-heading);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   LAYOUT HELPERS
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--container-padding) * -1);
  margin-right: calc(var(--container-padding) * -1);
}

.col {
  flex: 1 1 0%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }

/* Flexbox utilities */
.d-flex {
  display: flex;
}

.d-inline-flex {
  display: inline-flex;
}

.flex-column {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

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

.justify-content-between {
  justify-content: space-between;
}

.justify-content-start {
  justify-content: flex-start;
}

.justify-content-end {
  justify-content: flex-end;
}

.align-items-center {
  align-items: center;
}

.align-items-start {
  align-items: flex-start;
}

.align-items-end {
  align-items: flex-end;
}

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

/* ========================================
   SECTION SPACING
   ======================================== */
.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section-sm {
  padding-top: var(--section-padding-y-sm);
  padding-bottom: var(--section-padding-y-sm);
}

.section-xs {
  padding-top: var(--section-padding-y-xs);
  padding-bottom: var(--section-padding-y-xs);
}

.section-top {
  padding-top: var(--section-padding-y);
}

.section-bottom {
  padding-bottom: var(--section-padding-y);
}

/* ========================================
   RTL SAFE UTILITIES
   ======================================== */
[dir="rtl"] .text-left {
  text-align: right;
}

[dir="rtl"] .text-right {
  text-align: left;
}

/* RTL-safe margin utilities */
.ml-auto {
  margin-left: auto;
}

.mr-auto {
  margin-right: auto;
}

[dir="rtl"] .ml-auto {
  margin-left: 0;
  margin-right: auto;
}

[dir="rtl"] .mr-auto {
  margin-right: 0;
  margin-left: auto;
}

/* RTL-safe padding utilities */
.pl-0 { padding-left: 0; }
.pr-0 { padding-right: 0; }

[dir="rtl"] .pl-0 {
  padding-left: var(--spacing-md);
  padding-right: 0;
}

[dir="rtl"] .pr-0 {
  padding-right: var(--spacing-md);
  padding-left: 0;
}

/* Use logical properties for RTL support */
.start-0 {
  inset-inline-start: 0;
}

.end-0 {
  inset-inline-end: 0;
}

.top-0 {
  inset-block-start: 0;
}

.bottom-0 {
  inset-block-end: 0;
}

/* ========================================
   TRANSITIONS
   ======================================== */
.transition-3,
.transition-all {
  transition: var(--transition-all);
}

/* ========================================
   DISPLAY UTILITIES
   ======================================== */
.d-none {
  display: none;
}

.d-block {
  display: block;
}

.d-inline {
  display: inline;
}

.d-inline-block {
  display: inline-block;
}

/* Responsive display */
@media (min-width: 576px) {
  .d-sm-block {
    display: block;
  }
  
  .d-sm-none {
    display: none;
  }
}

@media (min-width: 768px) {
  .d-md-block {
    display: block;
  }
  
  .d-md-none {
    display: none;
  }
}

/* ========================================
   VISIBILITY
   ======================================== */
.visibility-hidden {
  visibility: hidden;
}

.visibility-visible {
  visibility: visible;
}

.opacity-0 {
  opacity: 0;
}

.opacity-100 {
  opacity: 1;
}

/* ========================================
   IMAGE UTILITIES
   ======================================== */
.img-fluid {
  max-width: 100%;
  height: auto;
}

.image-bg {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.image-overly {
  position: relative;
  z-index: 5;
}

.image-overly::before {
  position: absolute;
  content: "";
  inset-inline-start: 0;
  inset-block-start: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-overlay);
  z-index: -1;
}

/* ========================================
   POSITION UTILITIES
   ======================================== */
.position-relative {
  position: relative;
}

.position-absolute {
  position: absolute;
}

.position-fixed {
  position: fixed;
}

.position-sticky {
  position: sticky;
}

/* ========================================
   THEME TOGGLE BUTTON
   ======================================== */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border: var(--border-width-thin) solid var(--border-color-primary);
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition-all);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.theme-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.theme-toggle-icon-light,
.theme-toggle-icon-dark {
  display: inline-block;
  font-size: 1.25rem;
  transition: var(--transition-all);
}

.theme-light .theme-toggle-icon-dark,
.theme-dark .theme-toggle-icon-light {
  display: none;
}

.theme-light .theme-toggle-icon-light {
  display: inline-block;
}

.theme-dark .theme-toggle-icon-dark {
  display: inline-block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}