/* ============================
   TRAKINDO DESIGN SYSTEM
   Colors: White, Yellow (#FFCC00), Black
   ============================ */
:root {
    --trakindo-yellow: #FFCC00;
    --trakindo-yellow-dark: #E6B800;
    --trakindo-yellow-light: #FFF0B3;
    --trakindo-black: #1a1a1a;
    --trakindo-dark: #2a2a2a;
    --trakindo-white: #FFFFFF;
    --trakindo-offwhite: #F8F8F5;
    --trakindo-gray: #666666;
    --trakindo-gray-light: #E0E0E0;
    --success: #22c55e;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--trakindo-offwhite);
    color: var(--trakindo-black);
    overflow-x: hidden;
}

/* ============================
   HERO SECTION
   ============================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('images/mining_bg.jpg');
    background-size: cover;
    background-position: center 40%;
    background-repeat: no-repeat;
    /* Subtle slow zoom animation to make scene feel alive */
    animation: heroZoom 30s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

/* Dust particle canvas */
#dustCanvas {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

/* ============================
   ANIMATED WHEELS
   Positioned over the dump truck wheels
   ============================ */
.wheel {
    position: absolute;
    border-radius: 50%;
    border: 3px solid rgba(60, 50, 30, 0.6);
    background: radial-gradient(circle, rgba(80,70,40,0.5) 30%, rgba(40,35,20,0.4) 70%);
    animation: spinWheel 2s linear infinite;
    z-index: 4;
    box-shadow: 0 0 8px rgba(0,0,0,0.3);
}

.wheel-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 35%;
    height: 35%;
    border-radius: 50%;
    background: rgba(200, 180, 80, 0.5);
    border: 2px solid rgba(100, 90, 40, 0.5);
}

.wheel-spoke {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 2px;
    background: rgba(100, 90, 40, 0.4);
    transform-origin: 0 0;
    transform: translate(0, -50%);
}

.wheel-spoke.spoke-2 {
    transform: translate(0, -50%) rotate(60deg);
}

.wheel-spoke.spoke-3 {
    transform: translate(0, -50%) rotate(120deg);
}

/* Truck front wheels */
.wheel-1 {
    width: 38px;
    height: 38px;
    bottom: 31.5%;
    left: 32.5%;
    animation-duration: 1.8s;
}

/* Truck rear wheels */
.wheel-2 {
    width: 40px;
    height: 40px;
    bottom: 31%;
    left: 26%;
    animation-duration: 1.8s;
}

/* Second truck wheels */
.wheel-3 {
    width: 32px;
    height: 32px;
    bottom: 25%;
    right: 32%;
    animation-duration: 2.2s;
}

@keyframes spinWheel {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================
   SMOKE PUFFS
   ============================ */
.smoke {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(180,170,150,0.5) 0%, rgba(180,170,150,0) 70%);
    z-index: 4;
    pointer-events: none;
}

.smoke-1 {
    bottom: 55%;
    left: 18%;
    animation: smokePuff 3s ease-out infinite;
}

.smoke-2 {
    bottom: 50%;
    right: 30%;
    animation: smokePuff 4s ease-out infinite;
    animation-delay: -1.5s;
}

.smoke-3 {
    bottom: 45%;
    left: 40%;
    animation: smokePuff 3.5s ease-out infinite;
    animation-delay: -0.8s;
}

@keyframes smokePuff {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-40px) translateX(15px) scale(2.5);
        opacity: 0.3;
    }
    100% {
        transform: translateY(-80px) translateX(30px) scale(4);
        opacity: 0;
    }
}

/* ============================
   EQUIPMENT VIBRATION
   ============================ */
.equipment-vibrate {
    position: absolute;
    z-index: 2;
    pointer-events: none;
}

.equip-excavator {
    bottom: 30%;
    left: 5%;
    width: 280px;
    height: 280px;
    animation: vibrate 0.15s linear infinite;
}

@keyframes vibrate {
    0% { transform: translate(0, 0); }
    25% { transform: translate(0.5px, -0.5px); }
    50% { transform: translate(-0.5px, 0.5px); }
    75% { transform: translate(0.5px, 0.5px); }
    100% { transform: translate(-0.5px, -0.5px); }
}

/* ============================
   HERO CONTENT
   ============================ */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: 50px;
    background: rgba(255, 204, 0, 0.9);
    color: var(--trakindo-black);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 20px rgba(255, 204, 0, 0.4);
    animation: fadeInDown 1s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 1.5s ease-in-out infinite;
    box-shadow: 0 0 6px var(--success);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--trakindo-white);
    text-shadow: 0 2px 30px rgba(0,0,0,0.5), 0 0 60px rgba(0,0,0,0.3);
    animation: fadeInUp 1.2s ease-out;
}

.hero-title span {
    color: var(--trakindo-yellow);
    text-shadow: 0 0 30px rgba(255, 204, 0, 0.5), 0 2px 20px rgba(0,0,0,0.4);
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 8px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 0.8rem;
    text-transform: uppercase;
    text-shadow: 0 1px 10px rgba(0,0,0,0.5);
    animation: fadeInUp 1.5s ease-out;
}

.scroll-cta {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-top: 3rem;
    text-decoration: none;
    color: var(--trakindo-white);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-shadow: 0 1px 8px rgba(0,0,0,0.5);
    transition: color 0.3s ease;
    animation: fadeInUp 1.8s ease-out;
}

.scroll-cta:hover {
    color: var(--trakindo-yellow);
}

.bounce-arrow {
    animation: bounceDown 1.5s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero bottom gradient fade to white */
.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    background: linear-gradient(to top, var(--trakindo-offwhite) 0%, transparent 100%);
    z-index: 5;
}

/* ============================
   APPS SECTION
   ============================ */
.apps-section {
    position: relative;
    background: var(--trakindo-offwhite);
    padding: 3rem 0 2rem;
}

.apps-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section header */
.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 2.5rem;
}

.header-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--trakindo-yellow), transparent);
}

.header-center {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--trakindo-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--trakindo-black);
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--trakindo-black);
    text-transform: uppercase;
}

/* ============================
   APP CARDS - Trakindo Style
   ============================ */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.2rem;
}

.app-card {
    position: relative;
    background: var(--trakindo-white);
    border-radius: 14px;
    text-decoration: none;
    color: var(--trakindo-black);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--trakindo-gray-light);
}

.app-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(255, 204, 0, 0.25), 0 4px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--trakindo-yellow);
}

/* Yellow accent bar on top */
.card-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--trakindo-yellow), var(--trakindo-yellow-dark));
    transition: height 0.3s ease;
}

.app-card:hover .card-accent {
    height: 5px;
    background: linear-gradient(90deg, var(--trakindo-yellow), #FF9900);
}

/* Card body */
.card-body {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 1.2rem 1.4rem;
}

.card-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--trakindo-yellow), var(--trakindo-yellow-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 204, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover .card-icon-wrap {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(255, 204, 0, 0.5);
}

.card-icon-wrap i {
    font-size: 1.2rem;
    color: var(--trakindo-black);
}

.card-text {
    flex: 1;
    min-width: 0;
}

.card-text h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--trakindo-black);
    margin-bottom: 3px;
}

.card-text p {
    font-size: 0.8rem;
    color: var(--trakindo-gray);
    letter-spacing: 0.3px;
}

.card-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--trakindo-offwhite);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.card-arrow i {
    font-size: 0.8rem;
    color: var(--trakindo-gray);
    transition: all 0.3s ease;
}

.app-card:hover .card-arrow {
    background: var(--trakindo-yellow);
}

.app-card:hover .card-arrow i {
    color: var(--trakindo-black);
    transform: translateX(2px);
}

/* Card meta */
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1.4rem;
    background: var(--trakindo-offwhite);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.meta-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--trakindo-gray);
    letter-spacing: 1px;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.dot.online {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
    animation: pulse 2s ease-in-out infinite;
}

.meta-dev {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--trakindo-gray);
    letter-spacing: 0.5px;
}

.meta-dev i {
    color: var(--trakindo-yellow-dark);
    margin-right: 4px;
}

/* ============================
   FOOTER
   ============================ */
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 0 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--trakindo-gray-light);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--trakindo-gray);
}

.footer-brand strong {
    color: var(--trakindo-yellow-dark);
}

.footer-clock {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--trakindo-gray);
    letter-spacing: 2px;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
        letter-spacing: 4px;
    }
    
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .apps-container {
        padding: 0 1rem;
    }

    .wheel {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 0.8rem;
        letter-spacing: 2px;
    }
}