:root {
    --kurinji-primary: #4a1c6b;
    --kurinji-secondary: #7b3fa0;
    --kurinji-accent: #9c4dcc;
    --kurinji-light: #d4b8e8;
    --kurinji-gradient: linear-gradient(180deg, #1a0a2e 0%, #4a1c6b 50%, #7b3fa0 100%);
    --kurinji-overlay: rgba(74, 28, 107, 0.7);

    --mullai-primary: #1e3d2f;
    --mullai-secondary: #2d5a3f;
    --mullai-accent: #4caf50;
    --mullai-light: #a8d5a2;
    --mullai-gradient: linear-gradient(180deg, #0d1f17 0%, #1e3d2f 50%, #2d5a3f 100%);
    --mullai-overlay: rgba(30, 61, 47, 0.7);

    --marutham-primary: #8b7355;
    --marutham-secondary: #c9a227;
    --marutham-accent: #f4d03f;
    --marutham-light: #fef3c7;
    --marutham-gradient: linear-gradient(180deg, #5d4e37 0%, #8b7355 50%, #c9a227 100%);
    --marutham-overlay: rgba(139, 115, 85, 0.7);

    --neithal-primary: #0c4a6e;
    --neithal-secondary: #0891b2;
    --neithal-accent: #22d3ee;
    --neithal-light: #a5f3fc;
    --neithal-gradient: linear-gradient(180deg, #082f49 0%, #0c4a6e 50%, #0891b2 100%);
    --neithal-overlay: rgba(12, 74, 110, 0.7);

    --paalai-primary: #92400e;
    --paalai-secondary: #d97706;
    --paalai-accent: #fbbf24;
    --paalai-light: #fef3c7;
    --paalai-gradient: linear-gradient(180deg, #451a03 0%, #92400e 50%, #d97706 100%);
    --paalai-overlay: rgba(146, 64, 14, 0.7);
}

.thinai-kurinji {
    --theme-primary: var(--kurinji-primary);
    --theme-secondary: var(--kurinji-secondary);
    --theme-accent: var(--kurinji-accent);
    --theme-light: var(--kurinji-light);
    --theme-gradient: var(--kurinji-gradient);
    --theme-overlay: var(--kurinji-overlay);
}

.thinai-mullai {
    --theme-primary: var(--mullai-primary);
    --theme-secondary: var(--mullai-secondary);
    --theme-accent: var(--mullai-accent);
    --theme-light: var(--mullai-light);
    --theme-gradient: var(--mullai-gradient);
    --theme-overlay: var(--mullai-overlay);
}

.thinai-marutham {
    --theme-primary: var(--marutham-primary);
    --theme-secondary: var(--marutham-secondary);
    --theme-accent: var(--marutham-accent);
    --theme-light: var(--marutham-light);
    --theme-gradient: var(--marutham-gradient);
    --theme-overlay: var(--marutham-overlay);
}

.thinai-neithal {
    --theme-primary: var(--neithal-primary);
    --theme-secondary: var(--neithal-secondary);
    --theme-accent: var(--neithal-accent);
    --theme-light: var(--neithal-light);
    --theme-gradient: var(--neithal-gradient);
    --theme-overlay: var(--neithal-overlay);
}

.thinai-paalai {
    --theme-primary: var(--paalai-primary);
    --theme-secondary: var(--paalai-secondary);
    --theme-accent: var(--paalai-accent);
    --theme-light: var(--paalai-light);
    --theme-gradient: var(--paalai-gradient);
    --theme-overlay: var(--paalai-overlay);
}

.hero-thinai-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.thinai-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 1.5s ease-in-out;
    will-change: opacity, transform;
}

.thinai-slide.active {
    opacity: 1;
    z-index: 2;
}

.thinai-slide.prev {
    opacity: 0;
    z-index: 1;
}

.thinai-slide__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    animation: thinaiZoom 20s ease-in-out infinite alternate;
}

.thinai-slide__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
}

.thinai-slide__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.thinai-slide[data-thinai="kurinji"] .thinai-slide__bg {
    background-image: url('../assets/images/hero/hero-kurinji.jpg');
}

.thinai-slide[data-thinai="kurinji"] .thinai-slide__overlay {
    background: linear-gradient(180deg, rgba(74, 28, 107, 0.4) 0%, rgba(26, 10, 46, 0.85) 100%);
}

.thinai-slide[data-thinai="mullai"] .thinai-slide__bg {
    background-image: url('../assets/images/hero/hero-mullai.jpg');
}

.thinai-slide[data-thinai="mullai"] .thinai-slide__overlay {
    background: linear-gradient(180deg, rgba(30, 61, 47, 0.4) 0%, rgba(13, 31, 23, 0.85) 100%);
}

.thinai-slide[data-thinai="marutham"] .thinai-slide__bg {
    background-image: url('../assets/images/hero/hero-marutham.jpg');
}

.thinai-slide[data-thinai="marutham"] .thinai-slide__overlay {
    background: linear-gradient(180deg, rgba(139, 115, 85, 0.4) 0%, rgba(93, 78, 55, 0.85) 100%);
}

.thinai-slide[data-thinai="neithal"] .thinai-slide__bg {
    background-image: url('../assets/images/destinations/gokarna.jpg');
}

.thinai-slide[data-thinai="neithal"] .thinai-slide__overlay {
    background: linear-gradient(180deg, rgba(12, 74, 110, 0.4) 0%, rgba(8, 47, 73, 0.85) 100%);
}

.thinai-slide[data-thinai="paalai"] .thinai-slide__bg {
    background-image: url('../assets/images/hero/hero-paalai.jpg');
}

.thinai-slide[data-thinai="paalai"] .thinai-slide__overlay {
    background: linear-gradient(180deg, rgba(146, 64, 14, 0.4) 0%, rgba(69, 26, 3, 0.85) 100%);
}

@keyframes thinaiZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}

.thinai-indicator {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 100;
}

.thinai-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
}

.thinai-dot::after {
    content: attr(data-label);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: var(--text-light);
}

.thinai-dot:hover::after {
    opacity: 1;
}

.thinai-dot.active {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.3);
}

.thinai-dot[data-theme="kurinji"].active { background: var(--kurinji-accent); border-color: var(--kurinji-accent); }
.thinai-dot[data-theme="mullai"].active { background: var(--mullai-accent); border-color: var(--mullai-accent); }
.thinai-dot[data-theme="marutham"].active { background: var(--marutham-accent); border-color: var(--marutham-accent); }
.thinai-dot[data-theme="neithal"].active { background: var(--neithal-accent); border-color: var(--neithal-accent); }
.thinai-dot[data-theme="paalai"].active { background: var(--paalai-accent); border-color: var(--paalai-accent); }

.thinai-badge {
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.thinai-badge--kurinji {
    background: rgba(156, 77, 204, 0.3);
    color: var(--kurinji-light);
    border: 1px solid rgba(156, 77, 204, 0.5);
}

.thinai-badge--mullai {
    background: rgba(76, 175, 80, 0.3);
    color: var(--mullai-light);
    border: 1px solid rgba(76, 175, 80, 0.5);
}

.thinai-badge--marutham {
    background: rgba(244, 208, 63, 0.3);
    color: var(--marutham-light);
    border: 1px solid rgba(244, 208, 63, 0.5);
}

.thinai-badge--neithal {
    background: rgba(34, 211, 238, 0.3);
    color: var(--neithal-light);
    border: 1px solid rgba(34, 211, 238, 0.5);
}

.thinai-badge--paalai {
    background: rgba(251, 191, 36, 0.3);
    color: var(--paalai-light);
    border: 1px solid rgba(251, 191, 36, 0.5);
}

.thinai-badge__icon {
    font-size: 1rem;
}

.mist-particle {
    position: absolute;
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: mistDrift 15s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes mistDrift {
    0%, 100% { transform: translateX(-100%) translateY(0); opacity: 0.3; }
    50% { transform: translateX(100%) translateY(-20px); opacity: 0.6; }
}

.leaf-particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: radial-gradient(ellipse, rgba(76, 175, 80, 0.6), transparent);
    border-radius: 50% 0 50% 50%;
    animation: leafFall 10s ease-in-out infinite;
}

@keyframes leafFall {
    0% { transform: translateY(-100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

.wave-effect {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z' fill='rgba(34, 211, 238, 0.3)'/%3E%3C/svg%3E");
    background-size: 50% 100%;
    animation: waveMove 8s linear infinite;
}

@keyframes waveMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.dust-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(251, 191, 36, 0.6);
    border-radius: 50%;
    animation: dustSwirl 8s ease-in-out infinite;
}

@keyframes dustSwirl {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    25% { transform: translate(50px, -30px) scale(1.5); opacity: 0.8; }
    50% { transform: translate(100px, 10px) scale(1); opacity: 0.5; }
    75% { transform: translate(50px, 40px) scale(1.2); opacity: 0.7; }
}

.grain-texture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    will-change: transform;
    transition: transform 0.1s linear;
}

.parallax-layer--back {
    transform: translateY(0);
}

.parallax-layer--mid {
    transform: translateY(0);
}

.parallax-layer--front {
    transform: translateY(0);
}
/* =========================
   Base icon styling (Desktop)
   ========================= */

.thinai-icon {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thinai-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transform-origin: center center;
}


/* =========================
   Desktop visual normalization
   ========================= */

.thinai-card[data-thinai="marutham"] .thinai-icon img {
    transform: scale(1.33) translateY(10px);
}

.thinai-card[data-thinai="neithal"] .thinai-icon img {
    transform: scale(1.33) translateY(10px);
}

.thinai-card[data-thinai="paalai"] .thinai-icon img {
    transform: translateY(-12px);
}


/* =========================
   MOBILE FIX (CRITICAL)
   ========================= */

@media (max-width: 768px) {

    /* Ensure card content is positioning context */
    .thinai-card__content {
        position: relative;
        padding-top: 210px; /* space for centered icon */
        text-align: center;
    }

    /* Lock icon to absolute center */
    .thinai-icon {
        position: absolute;
        top: 24px;
        left: 50%;
        transform: translateX(-50%);
        width: 160px;
        height: 160px;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2;
    }

    .thinai-icon img {
        margin: 0;
    }

    /* Reduce scale slightly for mobile stability */
    .thinai-card[data-thinai="marutham"] .thinai-icon img,
    .thinai-card[data-thinai="neithal"] .thinai-icon img {
        transform: scale(1.35);
    }

    .thinai-card[data-thinai="paalai"] .thinai-icon img {
        transform: none;
    }
}

@media (max-width: 768px) {
    .thinai-indicator {
        bottom: 80px;
        gap: 8px;
    }
    
    .thinai-dot {
        width: 10px;
        height: 10px;
    }
    
    .thinai-dot::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .thinai-badge {
        padding: 4px 8px;
        font-size: 0.6rem;
    }
}