/* ============================================================
   global.css
   PhoneDoc ATL — CSS Reset + Shared Components
   Import PDATL_colorConstants.css before this file.
   ============================================================ */

/* ── CSS 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);
  color: var(--color-text-primary);
  background-color: var(--color-body-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ── Typography ─────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--color-text-primary);
  max-width: 68ch;
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}

section {
  padding: var(--space-10) 0;
}

@media (max-width: 768px) {
  section {
    padding: var(--space-4) 0;
  }
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

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

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

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  padding: 12px 28px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn:active {
  transform: scale(0.97);
}

/* Primary — red filled */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  border-color: var(--color-primary);
  padding: 12px 28px;
  font-weight: 600;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(229, 57, 53, 0.35);
}

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

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

/* Ghost — text only */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
  padding: 12px 16px;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--color-primary);
  background-color: rgba(229, 57, 53, 0.06);
}

/* Round — circular button 120px */
.btn--round {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  padding: 0;
  flex-direction: column;
  font-size: 0.875rem;
  line-height: 1.3;
  text-align: center;
}

/* Size modifiers */
.btn--sm {
  font-size: 0.8125rem;
  padding: 8px 18px;
}

.btn--lg {
  font-size: 1.125rem;
  padding: 16px 40px;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-3);
}

.form-label {
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background-color: var(--color-body-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-input);
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-text-secondary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background-color: #070505;
  color: #ffffff;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-error::before {
  content: "!";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-error);
  color: var(--color-text-on-dark);
  font-size: 0.6875rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Card ───────────────────────────────────────────────── */
.card {
  background-color: var(--color-body-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card--dark {
  background-color: var(--color-dark-card);
  color: var(--color-text-on-dark);
}

.card--dark p,
.card--dark h1,
.card--dark h2,
.card--dark h3,
.card--dark h4,
.card--dark h5,
.card--dark h6 {
  color: var(--color-text-on-dark);
}

/* ── Skeleton Loader ─────────────────────────────────────── */
@keyframes skeleton-shimmer {
  0% {
    background-position: -600px 0;
  }
  100% {
    background-position: 600px 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-light-gray) 25%,
    var(--color-border) 37%,
    var(--color-light-gray) 63%
  );
  background-size: 1200px 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--radius-input);
}

.skeleton--text {
  height: 1em;
  border-radius: var(--radius-input);
  margin-bottom: 8px;
}

.skeleton--text:last-child {
  width: 70%;
}

.skeleton--card {
  height: 280px;
  border-radius: var(--radius-card);
}

.skeleton--image {
  width: 100%;
  padding-top: 56.25%;
  position: relative;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}

/* ── Spinner ─────────────────────────────────────────────── */
@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinner-rotate 0.75s linear infinite;
  flex-shrink: 0;
}

.spinner--sm {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

.spinner--lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

/* ── Modal ──────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal),
              visibility var(--transition-normal);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal__card {
  position: relative;
  background-color: var(--color-body-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-modal);
  padding: 32px;
  max-width: 500px;
  width: 90%;
  z-index: 1;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}

.modal.is-open .modal__card {
  transform: scale(1) translateY(0);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-light-gray);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  flex-shrink: 0;
}

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

.modal__title {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.1;
  padding-right: 40px;
}

/* ── Badge ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-label);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
}

.badge--success {
  background-color: rgba(67, 160, 71, 0.12);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(255, 193, 7, 0.15);
  color: #b8860b;
}

.badge--error {
  background-color: rgba(211, 47, 47, 0.12);
  color: var(--color-error);
}

.badge--gray {
  background-color: var(--color-light-gray);
  color: var(--color-text-secondary);
}

.badge--primary {
  background-color: rgba(229, 57, 53, 0.12);
  color: var(--color-primary);
}

/* ── Contact FAB ─────────────────────────────────────────── */
.contact-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1500;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(229, 57, 53, 0.45);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.contact-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(229, 57, 53, 0.55);
}

.contact-fab:active {
  transform: scale(0.96);
}

/* ── Scroll-to-top button ────────────────────────────────── */
.scroll-top-btn {
  position: fixed;
  bottom: 96px;
  right: 28px;
  z-index: 1499;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(30, 30, 30, 0.92);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.scroll-top-btn.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: rgba(50, 50, 50, 0.96);
  color: #fff;
}

.scroll-top-btn:active {
  transform: scale(0.94);
}

/* ── Section Headings ────────────────────────────────────── */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.05;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.section-subheading {
  font-family: var(--font-body);
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 56ch;
  margin-top: var(--space-2);
  margin-left: auto;
  margin-right: auto;
}

/* ── Filter Pills ────────────────────────────────────────── */
.filter-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  background-color: var(--color-dark-bg);
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.filter-pill:hover {
  background-color: rgba(229, 57, 53, 0.15);
  color: var(--color-text-on-dark);
  border-color: rgba(229, 57, 53, 0.4);
}

.filter-pill.is-active,
.filter-pill[aria-pressed="true"] {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  border-color: var(--color-primary);
}

/* ── Text Utilities ──────────────────────────────────────── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-white { color: var(--color-text-on-dark) !important; }
.text-red   { color: var(--color-primary) !important; }
.text-gray  { color: var(--color-text-secondary) !important; }

/* ── Spacing Utilities ───────────────────────────────────── */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }

.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background-color: var(--color-primary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-primary-dark);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--color-light-gray);
}

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

:focus:not(:focus-visible) {
  outline: none;
}

/* ── Scroll Reveal ───────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
}

.is-revealed {
  opacity: 1 !important;
  transform: translateY(0) !important;
  transition: opacity var(--transition-slow),
              transform var(--transition-slow);
}

/* ── Visibility Helpers ──────────────────────────────────── */
.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;
}

.d-none     { display: none !important; }
.d-flex     { display: flex !important; }
.d-block    { display: block !important; }
.d-grid     { display: grid !important; }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

.divider--dark {
  border-top-color: rgba(255, 255, 255, 0.1);
}

/* ── Selection Color ─────────────────────────────────────── */
::selection {
  background-color: rgba(229, 57, 53, 0.2);
  color: var(--color-text-primary);
}