/* ================================================================
   PARAMIND — HERO COMPONENT (shared)
   ----------------------------------------------------------------
   The Hollie avatar + greeting block used on the post-login landing
   and the three section pages (Learn / Practise / Reflect).

   USED BY:
     landing2.html
     learn.html, practise.html, reflect.html  (to be built)

   NOT USED BY:
     landing.html — keeps its own inline version until retired,
                    then this file replaces it.

   REQUIRES (from css/styles.css):
     --color-teal, --color-green, --color-gray-200, --color-gray-500,
     --color-gray-600, --color-gray-800, --radius-full

   EXPECTED HTML STRUCTURE:
     <div class="hero-section">
       <div class="avatar-stage page-load-2">
         <div class="avatar-glow"></div>
         <div class="heartbeat-ring"></div>
         <div class="heartbeat-ring"></div>
         <div class="heartbeat-ring"></div>
         <div class="orbit-ring">
           <div class="orbit-dot dot-teal"></div>
           <div class="orbit-dot dot-green"></div>
           <div class="orbit-dot dot-gold"></div>
         </div>
         <div class="hollie-avatar">
           <img src="images/hollie.png" alt="Hollie - Your Paramedic Tutor">
         </div>
       </div>
       <h1 class="hero-greeting page-load-3">
         <span id="heroGreeting">Hey</span>
         <span class="gradient-name" id="userFirstName">there</span>!
         <span id="greetingEmoji">👋</span>
       </h1>
       <p class="hero-subtitle page-load-4">...</p>
     </div>

   The personalisation of #heroGreeting, #userFirstName and
   #greetingEmoji is handled by js/personalise.js.
   ================================================================ */

.hero-section {
    text-align: center;
    padding: 0.5rem 0 0.25rem;
    position: relative;
}

/* ---------- Avatar stage (orbit ring + glow + heartbeat pulses) ---------- */
.avatar-stage {
    position: relative;
    display: inline-block;
    width: 120px; height: 120px;
    margin-bottom: 0.75rem;
}

.orbit-ring {
    position: absolute; inset: -6px;
    border-radius: 50%;
    border: 2px dashed rgba(43,138,156,0.2);
    animation: orbitSpin 20s linear infinite;
}
.orbit-dot {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    top: -4px; left: 50%; margin-left: -4px;
}
.orbit-dot.dot-teal  { background: var(--color-teal);  box-shadow: 0 0 12px rgba(43,138,156,0.6); }
.orbit-dot.dot-green { background: var(--color-green); box-shadow: 0 0 12px rgba(92,184,92,0.6); top: auto; bottom: -4px; }
.orbit-dot.dot-gold  { background: #FFD700;            box-shadow: 0 0 12px rgba(255,215,0,0.6); top: 50%; left: -4px; margin-left: 0; }
@keyframes orbitSpin { to { transform: rotate(360deg); } }

.avatar-glow {
    position: absolute; inset: -14px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(43,138,156,0.12) 0%, transparent 70%);
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { transform: scale(1);    opacity: 0.6; }
    50%      { transform: scale(1.15); opacity: 1;   }
}

.heartbeat-ring {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(43,138,156,0.25);
    animation: heartbeatPulse 2.5s cubic-bezier(0.4,0,0.2,1) infinite;
}
.heartbeat-ring:nth-child(2) { animation-delay: 0.8s; }
.heartbeat-ring:nth-child(3) { animation-delay: 1.6s; }
@keyframes heartbeatPulse {
    0%   { transform: scale(1);   opacity: 0.6; }
    50%  { transform: scale(1.5); opacity: 0;   }
    100% { transform: scale(1.5); opacity: 0;   }
}

.hollie-avatar {
    width: 100px; height: 100px;
    border-radius: 50%; overflow: hidden;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    border: 3px solid #fff;
    box-shadow: 0 6px 24px rgba(43,138,156,0.2);
}
.hollie-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Optional badge (kept for pages that want to use it) ---------- */
.hollie-badge {
    display: inline-flex; align-items: center; gap: 0.4rem;
    background: rgba(43,138,156,0.08);
    color: var(--color-teal);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem; font-weight: 600;
    margin-bottom: 0.4rem;
    border: 1px solid rgba(43,138,156,0.12);
}

/* ---------- Greeting heading with animated gradient on the first name ---------- */
.hero-greeting {
    font-size: 1.5rem; font-weight: 800;
    margin-bottom: 0.2rem; line-height: 1.3;
    color: var(--color-gray-800);
}
.hero-greeting .gradient-name {
    background: linear-gradient(135deg, #2B8A9C 0%, #5CB85C 50%, #2B8A9C 100%);
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 4s ease infinite;
}
@keyframes gradientText {
    0%   { background-position: 0%   center; }
    50%  { background-position: 100% center; }
    100% { background-position: 0%   center; }
}

.hero-subtitle {
    color: var(--color-gray-500);
    margin: 0 auto 0.25rem;
    font-size: 0.95rem;
    max-width: 400px;
    text-align: center;
}

/* ---------- Staggered page-load reveal animations ---------- */
.page-load-1 { opacity: 0; animation: pageReveal 0.7s 0.10s ease both; }
.page-load-2 { opacity: 0; animation: pageReveal 0.7s 0.20s ease both; }
.page-load-3 { opacity: 0; animation: pageReveal 0.7s 0.35s ease both; }
.page-load-4 { opacity: 0; animation: pageReveal 0.7s 0.50s ease both; }
.page-load-5 { opacity: 0; animation: pageReveal 0.7s 0.65s ease both; }
@keyframes pageReveal {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0);    }
}