/* ==========================================================================
   IGNITE SPEECH & HEARING — DESIGN TOKENS
   ========================================================================== */

:root {
  /* Brand palette (per brief) */
  --color-primary: #0D6EFD;
  --color-primary-rgb: 13, 110, 253;
  --color-secondary: #00C2A8;
  --color-accent: #FF6B6B;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-dark-bg: #111827;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-success: #16A34A;
  --color-warning: #F59E0B;
  --color-error: #DC2626;

  /* Derived surfaces */
  --glass-bg: rgba(255, 255, 255, 0.68);
  --glass-border: rgba(255, 255, 255, 0.45);
  --glass-blur: 18px;
  --card-radius: 24px;
  --pill-radius: 999px;
  --shadow-soft: 0 8px 30px rgba(17, 24, 39, 0.06);
  --shadow-lift: 0 16px 40px rgba(17, 24, 39, 0.12);

  /* Type */
  --font-heading: 'Poppins', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-button: 'Manrope', system-ui, sans-serif;
  --font-numeric: 'Outfit', system-ui, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 160ms;
  --dur-med: 320ms;
  --dur-slow: 560ms;

  --header-height: 72px;
  --bottom-nav-height: 64px;
  --stagger: 60ms;
}

[data-theme='dark'] {
  --color-bg: #0B1220;
  --color-surface: #161F2E;
  --color-text: #F3F4F6;
  --color-text-secondary: #9CA3AF;
  --glass-bg: rgba(22, 31, 46, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-lift: 0 16px 40px rgba(0, 0, 0, 0.45);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
  padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; margin: 0 0 0.5em; color: var(--color-text); }
img { max-width: 100%; display: block; border-radius: inherit; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font-button); cursor: pointer; }
.container { max-width: 1120px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 20px); }
@media (min-width: 1280px) { .container { max-width: 1240px; } }

/* Body scroll lock while the mobile nav drawer is open */
body.nav-open { overflow: hidden; }

/* Ripple effect host (JS adds .ripple span on click) */
.ripple-host { position: relative; overflow: hidden; }
.ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255, 255, 255, 0.55); pointer-events: none;
  animation: ripple-out 600ms var(--ease-out) forwards;
}
[data-theme='dark'] .ripple { background: rgba(255, 255, 255, 0.25); }
@keyframes ripple-out {
  to { transform: scale(2.6); opacity: 0; }
}

/* Skeleton loading shimmer, applied to images while they load */
.is-loading {
  position: relative; background: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.08) 37%, rgba(0,0,0,0.04) 63%);
  background-size: 400% 100%; animation: shimmer 1.4s ease infinite;
}
[data-theme='dark'] .is-loading { background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.09) 37%, rgba(255,255,255,0.04) 63%); background-size: 400% 100%; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }

@keyframes float-y {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(4deg); }
}
@keyframes aurora-pan {
  0% { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(3%, -4%, 0) scale(1.08); }
  100% { transform: translate3d(0,0,0) scale(1); }
}

/* Skip link — accessibility */
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary);
  color: #fff; padding: 12px 20px; border-radius: 0 0 12px 0; z-index: 1000;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Glass utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-height);
  display: flex; align-items: center;
  transition: box-shadow var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}
.site-header.is-scrolled { box-shadow: var(--shadow-soft); }
.header-inner {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: grid; place-items: center; color: #fff; font-size: 1.1rem;
}
.header-clock {
  font-family: var(--font-numeric);
  font-size: 0.78rem; color: var(--color-text-secondary);
  display: flex; flex-direction: column; line-height: 1.2;
}
.header-actions { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: var(--pill-radius);
  border: 1px solid var(--glass-border); background: transparent;
  display: grid; place-items: center; color: var(--color-text);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { transform: translateY(-2px); background: rgba(var(--color-primary-rgb), 0.08); }
[data-theme-toggle] .material-symbols-rounded { transition: transform var(--dur-med) var(--ease-out); }
[data-theme='dark'] [data-theme-toggle] .material-symbols-rounded { transform: rotate(180deg); }

.btn-appointment {
  font-family: var(--font-button); font-weight: 600; font-size: 0.85rem;
  color: #fff; background: var(--color-primary);
  padding: 10px 18px; border-radius: var(--pill-radius); border: none;
  box-shadow: 0 6px 18px rgba(var(--color-primary-rgb), 0.35);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.btn-appointment:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(var(--color-primary-rgb), 0.4); }

/* Hamburger — mobile only, opens the drawer */
.nav-toggle { display: grid; }
.nav-toggle .bar { width: 18px; height: 2px; background: currentColor; position: relative; }
.nav-toggle .bar::before, .nav-toggle .bar::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-toggle .bar::before { top: -6px; }
.nav-toggle .bar::after { top: 6px; }
.nav-toggle[aria-expanded='true'] .bar { background: transparent; }
.nav-toggle[aria-expanded='true'] .bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] .bar::after { transform: translateY(-6px) rotate(-45deg); }

/* Primary nav — off-canvas drawer on mobile, inline row on desktop */
.nav-overlay {
  position: fixed; inset: 0; background: rgba(17,24,39,0.45); z-index: 199;
  opacity: 0; pointer-events: none; transition: opacity var(--dur-med) var(--ease-out);
}
.nav-overlay.is-open { opacity: 1; pointer-events: auto; }

.primary-nav {
  position: fixed; top: 0; right: 0; height: 100dvh; width: min(78vw, 320px);
  z-index: 210; padding: 100px 28px 28px; transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease-out);
  display: flex; flex-direction: column; gap: 4px;
}
.primary-nav.is-open { transform: translateX(0); }
.primary-nav a {
  font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem;
  padding: 12px 4px; border-bottom: 1px solid var(--glass-border); color: var(--color-text);
}

@media (min-width: 980px) {
  .nav-toggle, .nav-overlay { display: none; }
  .primary-nav {
    position: static; height: auto; width: auto; transform: none; padding: 0;
    flex-direction: row; align-items: center; gap: 28px; background: transparent !important;
    backdrop-filter: none; border: none;
  }
  .primary-nav a {
    font-size: 0.88rem; font-weight: 600; border-bottom: none; padding: 6px 0; position: relative;
  }
  .primary-nav a::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
    background: var(--color-primary); transition: width var(--dur-fast) var(--ease-out);
  }
  .primary-nav a:hover::after { width: 100%; }
}

@media (max-width: 559px) {
  .header-clock { display: none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero { padding: 20px 0 12px; position: relative; }

/* Ambient animated gradient blobs behind the hero, purely decorative */
.hero-aurora {
  position: absolute; inset: -40px 0 auto 0; height: 340px; z-index: -1;
  overflow: hidden; pointer-events: none;
}
.hero-aurora span {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.35;
  animation: aurora-pan 14s ease-in-out infinite;
}
.hero-aurora span:nth-child(1) { width: 260px; height: 260px; left: 4%; top: 0; background: var(--color-primary); }
.hero-aurora span:nth-child(2) { width: 220px; height: 220px; right: 6%; top: 20px; background: var(--color-secondary); animation-delay: -4s; }
.hero-aurora span:nth-child(3) { width: 180px; height: 180px; left: 40%; top: -20px; background: var(--color-accent); animation-delay: -8s; opacity: 0.22; }
@media (max-width: 639px) { .hero-aurora { display: none; } }

.hero-card {
  position: relative; border-radius: var(--card-radius); overflow: hidden;
  min-height: clamp(320px, 52vw, 460px); display: flex; align-items: flex-end;
  box-shadow: var(--shadow-lift);
  isolation: isolate;
}
.hero-card img {
  position: absolute; inset: -4% -4% -4% -4%; width: 108%; height: 108%; object-fit: cover; z-index: -2;
  will-change: transform;
}
.hero-card::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(17,24,39,0.05) 0%, rgba(17,24,39,0.78) 100%);
}
.hero-floaticon {
  position: absolute; z-index: 1; color: rgba(255,255,255,0.85);
  animation: float-y 6s ease-in-out infinite;
}
.hero-floaticon:nth-child(2) { animation-delay: -2s; }
.hero-floaticon:nth-child(3) { animation-delay: -4s; }
@media (max-width: 767px) { .hero-floaticon { display: none; } }

.hero-content { padding: clamp(20px, 4vw, 32px); color: #fff; width: 100%; }
.hero-content > * { animation: hero-rise 700ms var(--ease-out) both; }
.hero-content > *:nth-child(1) { animation-delay: 60ms; }
.hero-content > *:nth-child(2) { animation-delay: 140ms; }
.hero-content > *:nth-child(3) { animation-delay: 220ms; }
.hero-content > *:nth-child(4) { animation-delay: 300ms; }
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 600; font-family: var(--font-button);
  padding: 5px 12px; border-radius: var(--pill-radius);
}
.badge-category { background: rgba(255,255,255,0.18); color: #fff; backdrop-filter: blur(8px); }
.badge-verified { background: rgba(22, 163, 74, 0.9); color: #fff; }
.badge-verified .pulse-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #fff;
  box-shadow: 0 0 0 0 rgba(255,255,255,0.7);
  animation: pulse-ring 1.8s var(--ease-out) infinite;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(255,255,255,0.6); }
  70% { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.hero-title { font-size: clamp(1.5rem, 4vw, 2.3rem); line-height: 1.2; margin-bottom: 14px; color: #fff; }
.hero-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; opacity: 0.9; margin-bottom: 18px; flex-wrap: wrap; }
.hero-meta span { display: flex; align-items: center; gap: 6px; }
.hero-actions { display: flex; gap: 10px; align-items: center; }
.btn-primary {
  background: #fff; color: var(--color-primary); font-weight: 600; font-family: var(--font-button);
  padding: 12px 22px; border-radius: var(--pill-radius); border: none; font-size: 0.9rem;
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost-icon {
  width: 44px; height: 44px; border-radius: var(--pill-radius);
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.3); color: #fff;
  display: grid; place-items: center;
}

/* ==========================================================================
   SMART SEARCH
   ========================================================================== */

.smart-search { padding: 20px 0; }
.search-bar {
  display: flex; align-items: center; gap: 10px;
  border-radius: var(--pill-radius); padding: 6px 8px 6px 20px;
  box-shadow: var(--shadow-soft);
}
.search-bar input {
  flex: 1; border: none; background: transparent; outline: none;
  font-family: var(--font-body); font-size: 0.95rem; color: var(--color-text);
  padding: 10px 0;
}
.search-bar input::placeholder { color: var(--color-text-secondary); }
.search-round-btn {
  width: 40px; height: 40px; border-radius: 50%; border: none;
  display: grid; place-items: center; flex-shrink: 0;
  background: rgba(var(--color-primary-rgb), 0.08); color: var(--color-primary);
}
.search-round-btn.primary { background: var(--color-primary); color: #fff; }

/* ==========================================================================
   CATEGORY CHIPS
   ========================================================================== */

.chip-row {
  display: flex; gap: 10px; overflow-x: auto; padding: 16px clamp(16px, 4vw, 20px) 6px;
  scrollbar-width: none;
}
.chip-row::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0; font-size: 0.82rem; font-weight: 600; font-family: var(--font-button);
  padding: 10px 18px; min-height: 40px; display: inline-flex; align-items: center; border-radius: var(--pill-radius);
  background: var(--color-surface); color: var(--color-text-secondary);
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.chip:hover { transform: translateY(-2px); }
.chip:active { transform: translateY(0) scale(0.97); }
.chip.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); box-shadow: 0 6px 16px rgba(var(--color-primary-rgb), 0.3); }

/* ==========================================================================
   QUICK ACTIONS
   ========================================================================== */

.quick-actions { padding: 8px 0 28px; }
.quick-actions .scroll-row {
  display: flex; gap: 14px; overflow-x: auto; padding: 10px clamp(16px, 4vw, 20px); scrollbar-width: none;
}
.quick-actions .scroll-row::-webkit-scrollbar { display: none; }
.quick-card {
  flex-shrink: 0; width: clamp(116px, 32vw, 140px); padding: 18px 14px; border-radius: 20px;
  background: var(--color-surface); box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column; gap: 10px; align-items: flex-start;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.quick-card:active { transform: translateY(-1px) scale(0.98); }
.quick-card .qc-icon {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(var(--color-primary-rgb), 0.1); color: var(--color-primary); font-size: 1.2rem;
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out), color var(--dur-med) var(--ease-out);
}
.quick-card:hover .qc-icon { transform: scale(1.1) rotate(-6deg); background: var(--color-primary); color: #fff; }
.quick-card span { font-size: 0.82rem; font-weight: 600; color: var(--color-text); line-height: 1.3; }

/* ==========================================================================
   ARTICLE GRID / CARDS
   ========================================================================== */

.section-heading {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 20px); margin-bottom: 14px;
}
.section-heading h2 { font-size: clamp(1.05rem, 2vw, 1.3rem); margin: 0; }
.section-heading a {
  font-size: 0.82rem; font-weight: 600; color: var(--color-primary);
  display: inline-flex; align-items: center; gap: 4px; transition: gap var(--dur-fast) var(--ease-out);
}
.section-heading a:hover { gap: 8px; }

.article-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(16px, 3vw, 22px); padding: 0 clamp(16px, 4vw, 20px) 32px;
}
@media (min-width: 560px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .article-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .article-grid { grid-template-columns: repeat(4, 1fr); } }

.article-card {
  background: var(--color-surface); border-radius: var(--card-radius);
  overflow: hidden; box-shadow: var(--shadow-soft);
  transition: transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), opacity var(--dur-slow) var(--ease-out);
  opacity: 0; transform: translateY(16px);
}
.article-card.in-view { opacity: 1; transform: translateY(0); }
/* Stagger reveal within the visible viewport row */
.article-grid .article-card:nth-child(1) { transition-delay: 0ms; }
.article-grid .article-card:nth-child(2) { transition-delay: var(--stagger); }
.article-grid .article-card:nth-child(3) { transition-delay: calc(var(--stagger) * 2); }
.article-grid .article-card:nth-child(4) { transition-delay: calc(var(--stagger) * 3); }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.article-card .card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.article-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.article-card:hover .card-media img { transform: scale(1.06); }
.article-card .card-body { padding: 16px 18px 18px; }
.article-card .card-cat { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-secondary); }
.article-card h3 { font-size: 1rem; margin: 8px 0 6px; line-height: 1.35; }
.article-card p { font-size: 0.85rem; color: var(--color-text-secondary); margin: 0 0 12px; }
.card-footer-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.75rem; color: var(--color-text-secondary);
}
.card-footer-row .doctor { display: flex; align-items: center; gap: 6px; font-weight: 600; color: var(--color-text); }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--color-dark-bg); color: #E5E7EB;
  border-radius: 32px 32px 0 0; margin-top: 40px; padding: 48px 0 32px;
}
.site-footer .container { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 780px) { .site-footer .container { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.site-footer a { color: #9CA3AF; font-size: 0.85rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center; font-size: 0.78rem; color: #6B7280;
}

/* ==========================================================================
   MOBILE BOTTOM NAV
   ========================================================================== */

.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  height: var(--bottom-nav-height);
  display: flex; align-items: center; justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom);
  transition: transform var(--dur-med) var(--ease-out);
}
.bottom-nav.is-hidden { transform: translateY(100%); }
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  font-size: 0.65rem; color: var(--color-text-secondary); font-weight: 600;
  padding: 6px 10px; border-radius: 14px; position: relative;
}
.bottom-nav a { transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.bottom-nav a:active { transform: scale(0.92); }
.bottom-nav a .material-symbols-rounded { transition: transform var(--dur-fast) var(--ease-out); }
.bottom-nav a.is-active .material-symbols-rounded { transform: translateY(-2px); }
.bottom-nav a.is-active { color: var(--color-primary); }
.bottom-nav a.is-active::before {
  content: ''; position: absolute; top: -2px; width: 20px; height: 3px;
  border-radius: var(--pill-radius); background: var(--color-primary);
}

/* Desktop gets the inline primary nav instead of the app-style bottom bar */
@media (min-width: 980px) {
  .bottom-nav { display: none; }
  body { padding-bottom: 0; }
  .fab-stack { bottom: 24px; }
}

/* ==========================================================================
   FLOATING ACTION BUTTONS
   ========================================================================== */

.fab-stack {
  position: fixed; right: 18px; bottom: calc(var(--bottom-nav-height) + 18px);
  display: flex; flex-direction: column; gap: 12px; z-index: 150;
}
.fab {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; box-shadow: var(--shadow-lift); border: none; font-size: 1.2rem;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.fab:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 20px 40px rgba(17,24,39,0.22); }
.fab:active { transform: scale(0.95); }
.fab-whatsapp { background: var(--color-success); }
.fab-call { background: var(--color-primary); animation: pulse-ring 2.4s var(--ease-out) infinite; }

/* ==========================================================================
   SCROLL-REVEAL (JS toggles .in-view via IntersectionObserver)
   ========================================================================== */

.reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Scroll progress bar (article reading page) */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: 300; transition: width var(--dur-fast) linear;
}