/* ── Bushfire Design Tokens ── */
:root {
    --primary: #f97316; /* Flame Orange */
    --primary-container: #ea580c; /* Darker Orange */
    --tertiary: #fbbf24; /* Amber */
    --surface-dim: #0a0806; /* Deep Charcoal Smoke */
    --surface: #14100c; /* Ash Grey */
    --on-surface: #f3f4f6;
    --on-surface-variant: #9ca3af;
}

/* ── Atmospheric Background ── */
.fire-bg {
    background:
        radial-gradient(ellipse 80% 60% at 70% 10%, rgba(249, 115, 22, 0.07) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(251, 191, 36, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 100% 100% at 50% 50%, #14100c 0%, #0a0806 100%);
}

/* ── Animations ── */
@keyframes ember-rise {
    0% { transform: translateY(0) scale(1) rotate(0deg); }
    100% { transform: translateY(var(--ember-height, -300px)) scale(0.35) rotate(var(--ember-spin, 8deg)); }
}
/* Hold points vary per variant (var() in keyframe selectors has poor browser support). */
@keyframes ember-fade-a { 0%, 45% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-b { 0%, 50% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-c { 0%, 55% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-d { 0%, 60% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-e { 0%, 65% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-f { 0%, 70% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-g { 0%, 75% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes ember-fade-h { 0%, 80% { opacity: var(--ember-peak-opacity, 0.85); } 100% { opacity: 0; } }
@keyframes glow-pulse-a {
    0%   { transform: scale(1);    opacity: 0.22; }
    30%  { transform: scale(1.22); opacity: 0.58; }
    55%  { transform: scale(1.14); opacity: 0.45; }
    80%  { transform: scale(1.3);  opacity: 0.65; }
    100% { transform: scale(1);    opacity: 0.22; }
}
@keyframes glow-drift {
    0%   { transform: translateX(0);    opacity: 0.18; }
    15%  { transform: translateX(0);    opacity: 0.42; }
    38%  { transform: translateX(0);    opacity: 0.38; }
    78%  { transform: translateX(40vw); opacity: 0.10; }
    100% { transform: translateX(0);    opacity: 0.18; }
}
@keyframes heat-drift {
    0%, 100% { transform: translateX(0px) translateY(0px); }
    50% { transform: translateX(10px) translateY(-10px); }
}
@keyframes fade-up {
    from { opacity: 0; transform: translateY(32px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50% { transform: translateY(8px); opacity: 1; }
}

/* ── Animation Classes ── */
.ember {
    position: absolute;
    bottom: 0;
    border-radius: 50%;
    pointer-events: none;
    /* animation shorthand is set inline (rise + random ember-fade-* variant). */
}
.core-glow      { animation: glow-pulse-a 11s ease-in-out infinite; }
.glow-drift-orb { animation: glow-drift 16s ease-in-out infinite; animation-delay: -6s; }
.hero-title-anim { animation: fade-up 1s ease-out forwards; animation-delay: 0.2s; opacity: 0; }
.hero-sub-anim { animation: fade-up 1s ease-out forwards; animation-delay: 0.5s; opacity: 0; }
.hero-scroll-anim { animation: scroll-bounce 2s ease-in-out infinite; }
.heat-float { animation: heat-drift 10s ease-in-out infinite; }

/* ── Glassmorphism ── */
.glass {
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}
.glass-card {
    background: rgba(255, 255, 255, 0.04);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.glass-card:hover {
    background: rgba(249, 115, 22, 0.06);
    border-color: rgba(249, 115, 22, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 40px 80px -20px rgba(249, 115, 22, 0.18);
}

/* ── Reveal on Scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ── UI Components ── */
.btn-primary {
    background: conic-gradient(from 180deg at 50% 50%, #f97316 0deg, #ea580c 180deg, #f97316 360deg);
    background-size: 200% 200%;
}
.card-arrow { transition: transform 0.3s ease; }
.glass-card:hover .card-arrow { transform: translateX(4px); }

/* ── Hero Ember Art ── */
.hero-glow-ambient {
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
}
.ember-ring-outer {
    border: 1px solid rgba(249, 115, 22, 0.12);
    box-shadow: 0 0 60px rgba(249, 115, 22, 0.05);
}

/* ── Typography & Layout ── */
.text-accent-primary { color: #f97316; }
.text-accent-tertiary { color: #fbbf24; }
.border-subtle-white { border: 1px solid rgba(255, 255, 255, 0.08); }

/* ── Stats Strip ── */
.stats-strip {
    border-color: rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(10, 8, 6, 0.6);
}

/* ── Decorative Panels ── */
.panel-icon-bg {
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.15);
}
.panel-icon-bg-alt {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.15);
}

/* ── Section Dividers ── */
.why-bushfire-strip {
    background: linear-gradient(to bottom, transparent, rgba(249, 115, 22, 0.02), transparent);
}
.about-strip {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}