/* ========================================= */
/* HVAC & BMS PREMIUM DESIGN STYLES */
/* ========================================= */

/* Section Container */
.hvac-bms-section {
    position: relative;
    padding: 0px 0 0px 0;
    background: linear-gradient(180deg, #fff 0%, #f9fbff 100%);
}

/* ========================================= */
/* HERO SECTION STYLES */
/* ========================================= */

.hvac-hero-section {
    position: relative;
    padding: 60px 0 0px 0;
}

.hvac-hero-content {
    padding-right: 40px;
}

.hvac-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: #fff;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
}

.hvac-hero-title {
    font-size: 56px;
    font-weight: 900;
    color: #000;
    margin: 0 0 24px 0;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hvac-hero-subtitle {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 32px;
    margin-top: 16px;
}

/* Hero Features Premium */
.hero-features-premium {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
}

.feature-item-premium {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: flex-start;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.7) 0%, rgba(249, 251, 255, 0.7) 100%);
    border: 2px solid rgba(0, 123, 255, 0.08);
    border-radius: 16px;
    padding: 28px 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-item-premium::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, #007bff, #0056b3);
}

.feature-item-premium:nth-child(2)::before {
    background: linear-gradient(180deg, #ff8c42, #ff6b1a);
}

.feature-item-premium:nth-child(3)::before {
    background: linear-gradient(180deg, #28a745, #1e7e34);
}

.feature-item-premium:nth-child(4)::before {
    background: linear-gradient(180deg, #9c27b0, #6a1b9a);
}

.feature-item-premium:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 251, 255, 0.9) 100%);
    border-color: rgba(0, 123, 255, 0.15);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.12);
    transform: translateX(8px);
}

.feature-icon-premium {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0, 123, 255, 0.2);
    transition: all 0.4s ease;
}

.feature-item-premium:nth-child(2) .feature-icon-premium {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    box-shadow: 0 8px 24px rgba(255, 107, 26, 0.2);
}

.feature-item-premium:nth-child(3) .feature-icon-premium {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 8px 24px rgba(40, 167, 69, 0.2);
}

.feature-item-premium:nth-child(4) .feature-icon-premium {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    box-shadow: 0 8px 24px rgba(156, 39, 176, 0.2);
}

.feature-item-premium:hover .feature-icon-premium {
    transform: scale(1.12) rotate(-5deg);
}

.feature-text-premium {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-text-premium h4 {
    font-size: 18px;
    font-weight: 900;
    color: #000;
    margin: 0 0 8px 0;
    letter-spacing: -0.3px;
    line-height: 1.4;
}

.feature-text-premium p {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.6;
    font-weight: 500;
}

.hvac-hero-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 40px;
}

.hvac-highlight-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 16px;
    color: #333;
    font-weight: 600;
    line-height: 1.6;
}

.hvac-highlight-item i {
    color: #007bff;
    font-size: 20px;
    flex-shrink: 0;
}

/* Hero Visual Cards */
.hvac-hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    animation: slideInRight 0.8s ease;
}

.hvac-visual-card {
    background: linear-gradient(135deg, #fff 0%, #f9fbff 100%);
    border: 2px solid rgba(0, 123, 255, 0.08);
    border-radius: 18px;
    padding: 30px 24px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.hvac-visual-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.hvac-visual-card:nth-child(2)::before {
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.hvac-visual-card:nth-child(3)::before {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.hvac-visual-card:nth-child(4)::before {
    background: linear-gradient(90deg, #9c27b0, #6a1b9a);
}

.hvac-visual-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.15);
    border-color: rgba(0, 123, 255, 0.15);
}

.visual-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    margin: 0 auto 16px;
    box-shadow: 0 12px 35px rgba(0, 123, 255, 0.25);
}

.hvac-visual-card:nth-child(2) .visual-icon {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    box-shadow: 0 12px 35px rgba(255, 107, 26, 0.25);
}

.hvac-visual-card:nth-child(3) .visual-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.25);
}

.hvac-visual-card:nth-child(4) .visual-icon {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    box-shadow: 0 12px 35px rgba(156, 39, 176, 0.25);
}

.hvac-visual-card h4 {
    font-size: 18px;
    font-weight: 900;
    color: #000;
    margin: 0 0 8px 0;
    letter-spacing: -0.3px;
}

.hvac-visual-card p {
    font-size: 13px;
    color: #888;
    margin: 0;
    font-weight: 500;
}

/* ========================================= */
/* CORE EXPERTISE SECTION */
/* ========================================= */

.hvac-core-expertise {
    position: relative;
    padding: 40px 0;
}

.expertise-header {
    margin-bottom: 60px;
}

.expertise-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #28a745, #1e7e34);
    color: #fff;
    padding: 11px 26px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 22px;
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.2);
}

.expertise-title {
    font-size: 48px;
    font-weight: 900;
    color: #000;
    margin: 0 0 16px 0;
    letter-spacing: -0.8px;
    line-height: 1.2;
}

.expertise-subtitle {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    margin-top: 60px;
}

/* Timeline / ladder variant */
.expertise-timeline {
    position: relative;
    padding-left: 24px;
    padding-right: 24px;
    margin-top: 40px;
}

.expertise-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #28a745, #1e7e34);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-step {
    position: relative;
    width: calc(50% - 40px);
    padding: 14px 18px 14px 24px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(245, 250, 255, 0.8));
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.timeline-step.left {
    left: 0;
    margin-right: auto;
}

.timeline-step.right {
    left: 50%;
    margin-left: 30px;
}

.timeline-step::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 4px solid #28a745;
    z-index: 2;
}

.timeline-step.left::before {
    right: -40px;
}

.timeline-step.right::before {
    left: -40px;
}

.timeline-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.timeline-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #17a2b8, #10707d);
    color: #fff;
    font-size: 26px;
    box-shadow: 0 12px 30px rgba(23, 162, 184, 0.25);
    transition: transform 0.3s ease;
}

.timeline-step:hover .timeline-icon {
    transform: scale(1.08) rotate(3deg);
}

.timeline-step h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 800;
    color: #0a0a0a;
}

.timeline-step p {
    margin: 0;
    color: #555;
    line-height: 1.65;
}

@media (max-width: 991px) {
    .expertise-timeline::before {
        left: 8px;
    }

    .timeline-step {
        width: 100%;
        padding-left: 45px;
        min-height: auto;
    }

    .timeline-step.left,
    .timeline-step.right {
        left: 0;
        margin: 0;
    }

    .timeline-step::before {
        left: 8px;
        right: auto;
    }
}
}

.expertise-card {
    background: linear-gradient(135deg, #fff 0%, #f9fbff 100%);
    border: 2px solid rgba(40, 167, 69, 0.08);
    border-radius: 22px;
    padding: 45px 38px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.07);
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.expertise-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.15);
    border-color: rgba(40, 167, 69, 0.15);
}

.card-top-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.expertise-card-2 .card-top-accent {
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.expertise-card-3 .card-top-accent {
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.expertise-card-4 .card-top-accent {
    background: linear-gradient(90deg, #9c27b0, #6a1b9a);
}

.expertise-card-5 .card-top-accent {
    background: linear-gradient(90deg, #17a2b8, #10707d);
}

.expertise-card-6 .card-top-accent {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.expertise-icon {
    width: 95px;
    height: 95px;
    background: linear-gradient(135deg, #28a745, #1e7e34);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 45px;
    color: #fff;
    margin: 0 auto 26px;
    box-shadow: 0 12px 40px rgba(40, 167, 69, 0.25);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
}

.expertise-card-2 .expertise-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.25);
}

.expertise-card-3 .expertise-icon {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    box-shadow: 0 12px 40px rgba(255, 107, 26, 0.25);
}

.expertise-card-4 .expertise-icon {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    box-shadow: 0 12px 40px rgba(156, 39, 176, 0.25);
}

.expertise-card-5 .expertise-icon {
    background: linear-gradient(135deg, #17a2b8, #10707d);
    box-shadow: 0 12px 40px rgba(23, 162, 184, 0.25);
}

.expertise-card-6 .expertise-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 12px 40px rgba(40, 167, 69, 0.25);
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.18) rotate(5deg);
}

.expertise-card-title {
    font-size: 22px;
    font-weight: 900;
    color: #000;
    margin: 0 0 12px 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.4px;
}

.expertise-description {
    font-size: 15px;
    color: #777;
    line-height: 1.7;
    margin: 0;
    position: relative;
    z-index: 2;
}

/* ========================================= */
/* INDUSTRY EXPERIENCE SECTION */
/* ========================================= */

.hvac-industry-section {
    position: relative;
    padding: 40px 0;
}

.industry-header {
    margin-bottom: 60px;
}

.industry-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    color: #fff;
    padding: 11px 26px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 22px;
    box-shadow: 0 10px 30px rgba(255, 107, 26, 0.2);
}

.industry-title {
    font-size: 48px;
    font-weight: 900;
    color: #000;
    margin: 0 0 16px 0;
    letter-spacing: -0.8px;
    line-height: 1.2;
}

.industry-subtitle {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 10px;
    margin-top: 60px;
}

.industry-card {
    background: linear-gradient(135deg, #fff 0%, #f9fbff 100%);
    border: 2px solid rgba(255, 107, 26, 0.08);
    border-radius: 22px;
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.07);
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.industry-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 107, 26, 0.15);
}

.industry-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.industry-hvac-2 .industry-card-accent {
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.industry-hvac-3 .industry-card-accent {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.industry-hvac-4 .industry-card-accent {
    background: linear-gradient(90deg, #9c27b0, #6a1b9a);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    color: #fff;
    margin-bottom: 24px;
    box-shadow: 0 15px 10px rgba(255, 107, 26, 0.3);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
}

.industry-hvac-2 .industry-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 15px 45px rgba(0, 123, 255, 0.3);
}

.industry-hvac-3 .industry-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 15px 45px rgba(40, 167, 69, 0.3);
}

.industry-hvac-4 .industry-icon {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    box-shadow: 0 15px 45px rgba(156, 39, 176, 0.3);
}

.industry-card:hover .industry-icon {
    transform: scale(1.2) rotate(8deg);
}

.industry-card-title {
    font-size: 24px;
    font-weight: 900;
    color: #000;
    margin: 0 0 10px 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.5px;
}

.industry-card-subtitle {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin: 0;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* ========================================= */
/* TECHNOLOGY & PARTNERSHIPS SECTION */
/* ========================================= */

.hvac-technology-section {
    position: relative;
    padding: 40px 0;
}

.tech-header {
    margin-bottom: 60px;
}

.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    color: #fff;
    padding: 11px 26px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 22px;
    box-shadow: 0 10px 30px rgba(156, 39, 176, 0.2);
}

.tech-title {
    font-size: 48px;
    font-weight: 900;
    color: #000;
    margin: 0 0 16px 0;
    letter-spacing: -0.8px;
    line-height: 1.2;
}

.tech-subtitle {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 60px;
}

.tech-card {
    background: linear-gradient(135deg, #fff 0%, #f9fbff 100%);
    border: 2px solid rgba(156, 39, 176, 0.08);
    border-radius: 20px;
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.07);
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.tech-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.15);
    border-color: rgba(156, 39, 176, 0.15);
}

.tech-top-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #9c27b0, #6a1b9a);
}

.tech-card-2 .tech-top-accent {
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.tech-card-3 .tech-top-accent {
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.tech-card-4 .tech-top-accent {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.tech-logo-box {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    margin: 0 auto 20px;
    box-shadow: 0 12px 35px rgba(156, 39, 176, 0.25);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
    font-weight: 900;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.tech-card-2 .tech-logo-box {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 12px 35px rgba(0, 123, 255, 0.25);
}

.tech-card-3 .tech-logo-box {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    box-shadow: 0 12px 35px rgba(255, 107, 26, 0.25);
}

.tech-card-4 .tech-logo-box {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.25);
}

.tech-card:hover .tech-logo-box {
    transform: scale(1.18) rotate(-5deg);
    border-color: rgba(255, 255, 255, 0.2);
}

.tech-card-title {
    font-size: 19px;
    font-weight: 900;
    color: #000;
    margin: 0 0 8px 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.3px;
}

.tech-card-desc {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin: 0;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* SCADA/DCS Capabilities Section */
.scada-capability-section {
    position: relative;
    padding: 40px 0;
}

.robotic-apps-section {
    padding: 60px 0;
    border-radius: 20px;
    margin: 20px 0;
}

.scada-capability-section .expertise-subtitle {
    font-size: 17px;
    max-width: 760px;
    margin: 0 auto 30px;
    color: #666;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.capability-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    border: 2px solid rgba(0, 123, 255, 0.08);
    border-radius: 20px;
    padding: 24px 20px;
    overflow: hidden;
    box-shadow: 0 12px 45px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    text-align: center;
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.capability-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.16);
    border-color: rgba(0, 123, 255, 0.2);
}

.capability-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #17a2b8, #10707d);
    box-shadow: 0 10px 30px rgba(23, 162, 184, 0.25);
    transition: transform 0.3s ease;
}

.capability-card:hover .capability-icon {
    transform: scale(1.08) rotate(5deg);
}

.capability-card h4 {
    font-size: 20px;
    font-weight: 900;
    margin: 0 0 10px;
    color: #000;
}

.capability-card p {
    margin: 0;
    line-height: 1.65;
    color: #555;
    font-size: 14px;
}

.cap-1 .capability-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
}

.cap-2 .capability-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.cap-3 .capability-icon {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
}

.cap-4 .capability-icon {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
}

.cap-5 .capability-icon {
    background: linear-gradient(135deg, #17a2b8, #10707d);
}

.cap-6 .capability-icon {
    background: linear-gradient(135deg, #6f42c1, #5a2b8f);
}

@media (max-width: 991px) {
    .capability-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================= */
/* OUR FOCUS SECTION */
/* ========================================= */

.hvac-focus-section {
    position: relative;
    padding: 40px 0;
}

.focus-header {
    margin-bottom: 60px;
}

.focus-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #17a2b8, #10707d);
    color: #fff;
    padding: 11px 26px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 22px;
    box-shadow: 0 10px 30px rgba(23, 162, 184, 0.2);
}

.focus-title {
    font-size: 48px;
    font-weight: 900;
    color: #000;
    margin: 0 0 16px 0;
    letter-spacing: -0.8px;
    line-height: 1.2;
}

.focus-subtitle {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 26px;
    margin-top: 60px;
}

.focus-card {
    background: linear-gradient(135deg, #fff 0%, #f9fbff 100%);
    border: 2px solid rgba(23, 162, 184, 0.08);
    border-radius: 20px;
    padding: 42px 36px;
    position: relative;
    overflow: hidden;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.07);
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    animation-delay: var(--delay, 0s);
}

.focus-card:hover {
    transform: translateY(-14px);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.15);
    border-color: rgba(23, 162, 184, 0.15);
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #17a2b8, #10707d);
}

.focus-card-2::before {
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.focus-card-3::before {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

.focus-card-4::before {
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.focus-card-5::before {
    background: linear-gradient(90deg, #9c27b0, #6a1b9a);
}

.focus-icon {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, #17a2b8, #10707d);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #fff;
    margin: 0 auto 22px;
    box-shadow: 0 12px 35px rgba(23, 162, 184, 0.25);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
}

.focus-card-2 .focus-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 12px 35px rgba(0, 123, 255, 0.25);
}

.focus-card-3 .focus-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.25);
}

.focus-card-4 .focus-icon {
    background: linear-gradient(135deg, #ff8c42, #ff6b1a);
    box-shadow: 0 12px 35px rgba(255, 107, 26, 0.25);
}

.focus-card-5 .focus-icon {
    background: linear-gradient(135deg, #9c27b0, #6a1b9a);
    box-shadow: 0 12px 35px rgba(156, 39, 176, 0.25);
}

.focus-card:hover .focus-icon {
    transform: scale(1.16) rotate(-5deg);
}

.focus-card-title {
    font-size: 20px;
    font-weight: 900;
    color: #000;
    margin: 0 0 12px 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.3px;
}

.focus-description {
    font-size: 14.5px;
    color: #777;
    line-height: 1.7;
    margin: 0;
    position: relative;
    z-index: 2;
}

/* ========================================= */
/* CTA SECTION */
/* ========================================= */

.hvac-cta-section {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 24px;
    padding: 70px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.3);
}

.hvac-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hvac-cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 44px;
    font-weight: 900;
    color: #fff;
    margin: 0 0 16px 0;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #007bff;
    padding: 14px 42px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border: 2px solid #fff;
}

.cta-button:hover {
    background: #007bff;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ========================================= */
/* ANIMATIONS */
/* ========================================= */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.fade-in-left {
    animation: slideInLeft 0.8s ease;
}

.fade-in-right {
    animation: slideInRight 0.8s ease;
}

/* ========================================= */
/* RESPONSIVE BREAKPOINTS */
/* ========================================= */

@media (max-width: 991px) {
    .hvac-hero-section {
        padding: 40px 0 60px 0;
    }

    .hvac-hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hvac-hero-title {
        font-size: 42px;
    }

    .hvac-hero-subtitle {
        font-size: 16px;
    }

    .hvac-hero-visual {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .hvac-visual-card {
        padding: 24px 18px;
    }

    .visual-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
        margin-bottom: 12px;
    }

    .hvac-visual-card h4 {
        font-size: 16px;
    }

    .hero-features-premium {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    .hvac-visual-card p {
        font-size: 12px;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .expertise-card {
        padding: 36px 30px;
    }

    .expertise-icon {
        width: 85px;
        height: 85px;
        font-size: 36px;
        margin-bottom: 20px;
    }

    .expertise-card-title {
        font-size: 20px;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .industry-card {
        padding: 42px 34px;
    }

    .industry-icon {
        width: 90px;
        height: 90px;
        font-size: 42px;
        margin-bottom: 20px;
    }

    .industry-card-title {
        font-size: 20px;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .tech-card {
        padding: 36px 28px;
    }

    .tech-logo-box {
        width: 80px;
        height: 80px;
        font-size: 14px;
        margin-bottom: 18px;
    }

    .tech-card-title {
        font-size: 17px;
    }

    .focus-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .focus-card {
        padding: 36px 28px;
    }

    .focus-icon {
        width: 75px;
        height: 75px;
        font-size: 32px;
        margin-bottom: 18px;
    }

    .focus-card-title {
        font-size: 18px;
    }

    .cta-title {
        font-size: 36px;
    }

    .cta-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .hvac-bms-section {
        padding: 60px 0 100px 0;
    }

    .hvac-hero-section {
        padding: 30px 0 50px 0;
    }

    .hvac-hero-title {
        font-size: 36px;
    }

    .hvac-hero-subtitle {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .hvac-hero-visual {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .expertise-title,
    .industry-title,
    .tech-title,
    .focus-title {
        font-size: 36px;
    }

    .expertise-subtitle,
    .industry-subtitle,
    .tech-subtitle,
    .focus-subtitle {
        font-size: 15px;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .industry-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .hero-features-premium {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .focus-grid {
        gap: 20px;
    }

    .hvac-cta-section {
        padding: 50px 40px;
    }

    .cta-title {
        font-size: 30px;
    }

    .cta-subtitle {
        font-size: 15px;
    }
}

@media (max-width: 576px) {
    .hvac-bms-section {
        padding: 50px 0 80px 0;
    }

    .hvac-hero-badge {
        padding: 10px 22px;
        font-size: 10px;
    }

    .hvac-hero-title {
        font-size: 28px;
        margin-bottom: 18px;
    }

    .hvac-hero-subtitle {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .hero-features-premium {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 24px;
    }

    .hvac-highlight-item {
        font-size: 14px;
        gap: 10px;
    }

    .hvac-hero-visual {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .visual-icon {
        width: 55px;
        height: 55px;
        font-size: 26px;
    }

    .hvac-visual-card h4 {
        font-size: 14px;
    }

    .expertise-badge,
    .industry-badge,
    .tech-badge,
    .focus-badge {
        padding: 9px 20px;
        font-size: 9px;
        margin-bottom: 16px;
    }

    .expertise-title,
    .industry-title,
    .tech-title,
    .focus-title {
        font-size: 26px;
    }

    .expertise-subtitle,
    .industry-subtitle,
    .tech-subtitle,
    .focus-subtitle {
        font-size: 14px;
    }

    .expertise-card,
    .industry-card,
    .tech-card,
    .focus-card {
        padding: 28px 22px;
    }

    .expertise-icon {
        width: 70px;
        height: 70px;
        font-size: 32px;
        margin-bottom: 16px;
    }

    .expertise-card-title {
        font-size: 16px;
    }

    .expertise-description {
        font-size: 13px;
    }

    .industry-icon {
        width: 75px;
        height: 75px;
        font-size: 36px;
        margin-bottom: 16px;
    }

    .industry-card-title {
        font-size: 17px;
    }

    .industry-card-subtitle {
        font-size: 13px;
    }

    .tech-logo-box {
        width: 70px;
        height: 70px;
        font-size: 12px;
        margin-bottom: 14px;
    }

    .tech-card-title {
        font-size: 15px;
    }

    .tech-card-desc {
        font-size: 12.5px;
    }

    .focus-icon {
        width: 65px;
        height: 65px;
        font-size: 28px;
        margin-bottom: 14px;
    }

    .focus-card-title {
        font-size: 16px;
    }

    .focus-description {
        font-size: 13px;
    }

    .hvac-cta-section {
        padding: 40px 24px;
        border-radius: 18px;
    }

    .cta-title {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .cta-subtitle {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .cta-button {
        padding: 12px 32px;
        font-size: 14px;
    }
}

/* ========================================= */
/* ROBOTICS PROGRAMMING PREMIUM STYLES */
/* ========================================= */

/* Capability Card Modern */
.capability-card-modern {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(249, 251, 255, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(0, 123, 255, 0.08);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    margin-bottom: 20px;
}

.capability-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 123, 255, 0.15);
}

.capability-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #0056b3);
}

.capability-card-modern.active::before {
    background: linear-gradient(90deg, #28a745, #1e7e34);
}

/* Card Header */
.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-header .icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 20px;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
    transition: transform 0.3s ease;
}

.capability-card-modern:hover .card-header .icon {
    transform: scale(1.1) rotate(5deg);
}

.card-header h4 {
    font-size: 22px;
    font-weight: 700;
    color: #000;
    margin: 0;
}

/* Card Body */
.card-body {
    padding: 24px 28px;
    background: rgba(255, 255, 255, 0.6);
}

.card-body p {
    margin: 0 0 16px 0;
    color: #555;
    line-height: 1.6;
}

.card-body ul {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.card-body ul li {
    margin-bottom: 10px;
    color: #444;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body ul li i {
    color: #28a745;
    font-size: 14px;
}

/* Toggle Icon */
.toggle-icon {
    margin-left: auto;
    font-size: 18px;
    color: #666;
    transition: transform 0.3s ease;
}

.capability-card-modern.active .toggle-icon {
    transform: rotate(180deg);
    color: #007bff;
}

/* Capability Grid Modern */
.capability-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

/* Body Show/Hide */
.card-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.capability-card-modern.active .card-body {
    max-height: 500px;
}

/* Platform Grid */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.platform-card {
    padding: 30px 20px;
    border-radius: 18px;
    text-align: center;
    font-weight: 700;
    font-size: 18px;
    color: #fff;
    background: linear-gradient(135deg, #007bff, #0056b3);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.platform-icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.platform-card h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.platform-card:hover::before {
    left: 100%;
}

.platform-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 123, 255, 0.3);
}

/* Service Ladder Section */
.service-ladder-section {
    position: relative;
    padding: 60px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
    border-radius: 20px;
    margin: 40px 0;
}

.ladder-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Glowing Center Line */
.ladder-container::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #007bff, #0056b3);
    transform: translateX(-50%);
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.4);
    border-radius: 2px;
}

/* Ladder Step */
.ladder-step {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
    opacity: 0;
    transform: translateY(50px);
    animation: ladderFadeUp 0.8s ease forwards;
}

.ladder-step.left {
    justify-content: flex-end;
}

.ladder-step.right {
    justify-content: flex-start;
}

.ladder-step:nth-child(1) {
    animation-delay: 0.1s;
}

.ladder-step:nth-child(2) {
    animation-delay: 0.2s;
}

.ladder-step:nth-child(3) {
    animation-delay: 0.3s;
}

.ladder-step:nth-child(4) {
    animation-delay: 0.4s;
}

.ladder-step:nth-child(5) {
    animation-delay: 0.5s;
}

.ladder-step:nth-child(6) {
    animation-delay: 0.6s;
}

@keyframes ladderFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Step Content */
.step-content {
    width: 45%;
    padding: 24px 28px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 251, 255, 0.9) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 123, 255, 0.08);
    transition: all 0.4s ease;
    font-weight: 600;
    color: #333;
    position: relative;
}

.step-content:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 123, 255, 0.15);
}

/* Step Icon */
.step-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 12px 30px rgba(0, 123, 255, 0.3);
    font-size: 24px;
    z-index: 2;
    border: 3px solid #fff;
}

/* Industry Grid */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.industry-card {
    padding: 30px 20px;
    border-radius: 18px;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(249, 251, 255, 0.8) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 123, 255, 0.08);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    font-weight: 600;
    font-size: 16px;
    color: #333;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff8c42, #ff6b1a);
}

.industry-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 140, 66, 0.2);
}

/* Responsive */
@media (max-width: 991px) {
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .capability-grid-modern {
        grid-template-columns: 1fr;
    }

    .ladder-container::before {
        left: 40px;
    }

    .ladder-step.left {
        justify-content: flex-start;
    }

    .ladder-step.right {
        justify-content: flex-start;
    }

    .step-content {
        width: 80%;
        margin-left: 80px;
    }

    .step-icon {
        left: 40px;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {

    .platform-grid,
    .industry-grid {
        grid-template-columns: 1fr;
    }

    .card-header {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .card-body {
        padding: 20px;
    }

    .step-content {
        width: 90%;
        margin-left: 60px;
        padding: 20px;
    }

    .step-icon {
        width: 60px;
        height: 60px;
        font-size: 20px;
        left: 30px;
    }

    .ladder-container::before {
        left: 30px;
    }
}