/* =====================================================
   LINEAR-SCALES.CSS — Wonder Digimech
   Matches index and dro pages alternating themes
   ===================================================== */

/* ---- COMMON SECTION STYLES ---- */
.why-us, .process {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Subtitle Pill */
.section-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(13, 148, 136, 0.05);
    border: 1px solid rgba(13, 148, 136, 0.15);
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(13, 148, 136, 0.4);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.section-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =====================================================
   HERO SECTION (Dark Theme)
   ===================================================== */
.hero-slider {
    position: relative;
    width: 100%;
    min-height: 600px;
    padding-top: 140px;
    padding-bottom: 90px;
    overflow: hidden;
    background: radial-gradient(circle at 18% 18%, rgba(34, 211, 238, 0.12), transparent 25%),
                radial-gradient(circle at 88% 12%, rgba(139, 92, 246, 0.1), transparent 20%),
                linear-gradient(180deg, #020617 0%, #0b1528 50%, #020617 100%);
    display: flex;
    align-items: center;
}

.hero-slider > div:nth-child(1) {
    position: absolute;
    top: 15%;
    left: -50px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.2), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-slider > div:nth-child(2) {
    position: absolute;
    bottom: 10%;
    right: -50px;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15), transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}

.hero-caption {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #38bdf8;
    margin-bottom: 25px;
}

.hero-caption h1 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    line-height: 1.25;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.hero-caption h1 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-caption p {
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 35px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* =====================================================
   ABOUT/OVERVIEW (Light Theme)
   ===================================================== */
#about.why-us {
    background: #ffffff;
    color: #334155;
}

#about .section-title {
    color: #0f172a;
}

#about .about-text {
    color: #475569;
}

#about .image-card {
    background: linear-gradient(145deg, #f0fdfa 0%, #d1f5f0 100%);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(13, 148, 136, 0.05);
    padding: 12px;
    transition: all 0.4s ease;
}

#about .image-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(13, 148, 136, 0.12);
}

#about .image-card img {
    border-radius: 16px;
    width: 100%;
}

#about .intro-lead-card {
    background: linear-gradient(145deg, #f0fdfa 0%, #d1f5f0 100%);
    border: 1px solid rgba(13, 148, 136, 0.25);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 15px 35px -5px rgba(13, 148, 136, 0.08);
    color: #334155;
    font-size: 1.1rem;
    line-height: 1.75;
    transition: all 0.4s ease;
}

#about .intro-lead-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(13, 148, 136, 0.15);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.gradient-text-cyan {
    background: linear-gradient(135deg, #0d9488 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* =====================================================
   TYPES OF LINEAR SCALES (Dark Theme)
   ===================================================== */
#types.why-us {
    background: #020617;
    color: var(--text-secondary);
}

#types .section-title {
    color: #ffffff;
}

.linear-scales-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
    margin-top: 50px;
}

.dro-component-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.4) 0%, rgba(2, 6, 23, 0.7) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 35px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.dro-component-card:hover {
    transform: translateY(-8px);
    border-color: rgba(13, 148, 136, 0.25);
    background: rgba(15, 23, 42, 0.75);
    box-shadow: var(--shadow-lg);
}

.dro-component-card .product-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
    background: #020617;
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dro-component-card .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.dro-component-card:hover .product-image img {
    transform: scale(1.06);
}

.dro-component-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 15px;
}

.dro-component-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.benefits-wrap {
    margin-top: auto;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
}

.benefits-wrap strong {
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 12px;
    display: block;
}

.benefits-wrap ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0;
}

.benefits-wrap li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.benefits-wrap li i {
    color: var(--primary-color);
}

/* =====================================================
   KEY FEATURES (Light Theme)
   ===================================================== */
#features.why-us {
    background: #f8fafc;
    color: #334155;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

#features .section-title {
    color: #0f172a;
}

.features-grid-four {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 50px;
}

#features .dro-component-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.02);
    padding: 35px 24px;
    border-radius: 20px;
}

#features .dro-component-card:hover {
    transform: translateY(-8px);
    border-color: rgba(13, 148, 136, 0.25);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.06);
}

#features .icon-wrap {
    width: 50px;
    height: 50px;
    background: rgba(13, 148, 136, 0.08);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

#features .dro-component-card:hover .icon-wrap {
    background: var(--primary-gradient);
    color: #ffffff;
    transform: scale(1.05) rotate(360deg);
}

#features .dro-component-card h3 {
    color: #0f172a;
    font-size: 1.25rem;
    font-weight: 800;
}

#features .dro-component-card p {
    color: #64748b;
    margin: 0;
}

/* =====================================================
   APPLICATIONS (Dark Theme)
   ===================================================== */
#applications.why-us {
    background: #020617;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

#applications.why-us::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(34,211,238,0.05), transparent 60%);
    pointer-events: none;
}

#applications.why-us::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(13,148,136,0.06), transparent 60%);
    pointer-events: none;
}

/* ---- A: List Card Header ---- */
#applications .app-card-header {
    margin-bottom: 24px;
}

#applications .app-card-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.5px;
    color: #22d3ee;
    text-transform: uppercase;
}

#applications .app-card-label i {
    font-size: 0.85rem;
}

/* ---- B: Image Badge ---- */
#applications .app-image-badge {
    position: absolute;
    bottom: 22px;
    right: 22px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #0d9488, #22d3ee);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.5px;
    border-radius: 30px;
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
    z-index: 3;
}

#applications .app-image-badge i {
    font-size: 0.9rem;
}

#applications .section-title {
    color: #ffffff;
}

#applications p {
    color: var(--text-secondary);
}

/* ---- A: List Card ---- */
#applications .intro-lead-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.65) 0%, rgba(7, 14, 38, 0.85) 100%) !important;
    border: 1px solid rgba(34, 211, 238, 0.15) !important;
    border-top: 2px solid rgba(34, 211, 238, 0.35) !important;
    border-radius: 24px !important;
    padding: 40px !important;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.06) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    position: relative !important;
    overflow: hidden !important;
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

#applications .intro-lead-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34,211,238,0.5), transparent);
    pointer-events: none;
}

#applications .intro-lead-card:hover {
    border-color: rgba(34, 211, 238, 0.35) !important;
    border-top-color: rgba(34, 211, 238, 0.6) !important;
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(34, 211, 238, 0.08) !important;
    transform: translateY(-5px) !important;
}

#applications .intro-lead-card ul {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 0;
    list-style: none;
    margin: 0;
}

#applications .intro-lead-card li {
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: default;
}

#applications .intro-lead-card li:hover {
    color: #ffffff;
    background: rgba(34, 211, 238, 0.06);
    border-color: rgba(34, 211, 238, 0.2);
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.08);
}

#applications .intro-lead-card li i {
    width: 38px;
    height: 38px;
    background: rgba(34, 211, 238, 0.1);
    color: #22d3ee;
    font-size: 1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(34, 211, 238, 0.15);
}

#applications .intro-lead-card li:hover i {
    background: linear-gradient(135deg, #0d9488, #22d3ee);
    color: #ffffff;
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 6px 18px rgba(34, 211, 238, 0.35);
    border-color: transparent;
}

/* ---- B: Image Card ---- */
#applications .image-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.6), rgba(7, 14, 38, 0.8));
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 28px;
    padding: 14px;
    box-shadow:
        0 25px 60px -15px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(34, 211, 238, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#applications .image-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(34,211,238,0.2), transparent 50%, rgba(13,148,136,0.15));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

#applications .image-card:hover::after {
    opacity: 1;
}

#applications .image-card:hover {
    transform: translateY(-8px);
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow:
        0 35px 70px -15px rgba(0, 0, 0, 0.6),
        0 0 50px rgba(34, 211, 238, 0.1);
}

#applications .image-card img {
    border-radius: 18px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

#applications .image-card:hover img {
    transform: scale(1.03);
}


/* =====================================================
   INSTALLATION & CALIBRATION (Light Theme — Mint Teal Cards)
   ===================================================== */
#installation.why-us {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    color: #334155;
    border-top: 1px solid rgba(13, 148, 136, 0.08);
    position: relative;
    overflow: hidden;
}

/* Subtle decorative background dot pattern */
#installation.why-us::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.04), transparent 65%);
    pointer-events: none;
}

#installation .section-title {
    color: #0f172a;
}

/* ---- Image Card ---- */
#installation .image-card {
    background: linear-gradient(145deg, #f0fdfa 0%, #d1f5f0 100%);
    border: 1px solid rgba(13, 148, 136, 0.2);
    border-radius: 24px;
    overflow: hidden;
    padding: 14px;
    box-shadow: 0 15px 35px rgba(13, 148, 136, 0.07);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

#installation .image-card:hover {
    transform: translateY(-6px);
    border-color: rgba(13, 148, 136, 0.4);
    box-shadow: 0 25px 50px -10px rgba(13, 148, 136, 0.15);
}

#installation .image-card img {
    border-radius: 14px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

#installation .image-card:hover img {
    transform: scale(1.03);
}

/* ---- Text Card ---- */
#installation .intro-lead-card {
    background: linear-gradient(145deg, #f0fdfa 0%, #d1f5f0 100%);
    border: 1px solid rgba(13, 148, 136, 0.25);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 15px 35px -5px rgba(13, 148, 136, 0.08);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

#installation .intro-lead-card:hover {
    transform: translateY(-6px);
    border-color: rgba(13, 148, 136, 0.45);
    box-shadow: 0 25px 45px -8px rgba(13, 148, 136, 0.15);
}

#installation .intro-lead-card p {
    font-size: 1rem;
    line-height: 1.75;
    color: #334155;
    margin-bottom: 24px;
}

#installation .intro-lead-card h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

#installation .intro-lead-card h4::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--primary-gradient);
    border-radius: 4px;
    flex-shrink: 0;
}

#installation .intro-lead-card ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0;
    list-style: none;
    margin: 0;
}

#installation .intro-lead-card li {
    font-size: 0.92rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: #334155;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(13, 148, 136, 0.04);
    border: 1px solid rgba(13, 148, 136, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

#installation .intro-lead-card li:hover {
    background: rgba(13, 148, 136, 0.1);
    border-color: rgba(13, 148, 136, 0.25);
    color: #0f172a;
    transform: translateX(4px);
}

#installation .intro-lead-card li i {
    color: var(--primary-color);
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

#installation .intro-lead-card li:hover i {
    transform: scale(1.2);
    color: #0d9488;
}

/* =====================================================
   CTA BANNER (Dark Theme — matches page dark design)
   ===================================================== */
#contact.corporate-process {
    text-align: center;
    background: linear-gradient(180deg, #020617 0%, #0b1528 50%, #020617 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 110px 0;
    position: relative;
    overflow: hidden;
}

/* Ambient glow blobs */
#contact.corporate-process::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(13, 148, 136, 0.12), transparent 65%);
    pointer-events: none;
}

#contact.corporate-process::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(34, 211, 238, 0.07), transparent 65%);
    pointer-events: none;
}

#contact .section-subtitle {
    background: rgba(34, 211, 238, 0.06);
    border-color: rgba(34, 211, 238, 0.2);
    color: #22d3ee;
}

#contact .section-title {
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 2.8rem);
}

#contact .section-title span {
    background: linear-gradient(135deg, #0d9488, #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#contact p {
    color: #94a3b8;
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 44px;
    flex-wrap: wrap;
}

/* Ensure CTA content sits above decorative glow blobs */
#contact .process-wrap {
    position: relative;
    z-index: 2;
}

/* =====================================================
   RESPONSIVE DESIGN MEDIA QUERIES
   ===================================================== */
@media (max-width: 991px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .linear-scales-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    .features-grid-four {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-slider {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    .why-us {
        padding: 80px 0;
    }
}

@media (max-width: 576px) {
    .features-grid-four {
        grid-template-columns: 1fr;
    }
    #installation .intro-lead-card ul {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   ENHANCED RESPONSIVE STYLES
   ===================================================== */
@media (max-width: 1200px) {
    .linear-scales-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    .linear-scales-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .features-grid-four {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid-four {
        grid-template-columns: 1fr;
    }
    
    #installation .intro-lead-card {
        padding: 30px 24px;
    }
    
    #applications .intro-lead-card {
        padding: 30px 24px;
    }
    
    #applications .intro-lead-card li {
        padding: 12px 16px;
    }
}

@media (max-width: 576px) {
    #installation .intro-lead-card ul {
        grid-template-columns: 1fr;
    }
    
    #applications .intro-lead-card li {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    #applications .intro-lead-card li i {
        width: 44px;
        height: 44px;
    }
}