/* ============================================
   PROBLEM CARDS GRID
   ============================================ */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.problem-card {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(188, 163, 59, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 8px 24px rgba(188, 163, 59, 0.2);
}

.problem-card:hover::before {
    opacity: 1;
}

.problem-icon {
    color: rgba(188, 163, 59, 0.8);
    margin-bottom: 1rem;
}

.problem-card h4 {
    margin: 1rem 0;
    color: #f5f5f0;
    font-size: 1.1rem;
}

.problem-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ============================================
   FEATURE CARDS GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(74, 76, 84, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 8px 24px rgba(188, 163, 59, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    color: rgba(188, 163, 59, 0.8);
    margin-bottom: 0.75rem;
}

.feature-card h5 {
    margin: 0.75rem 0;
    color: #f5f5f0;
    font-size: 1rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   CAPABILITY CARDS GRID (2x2)
   ============================================ */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.capability-card {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(74, 76, 84, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.capability-card:hover {
    transform: translateY(-4px);
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 8px 24px rgba(188, 163, 59, 0.2);
}

.capability-card:hover::before {
    opacity: 1;
}

.capability-icon {
    color: rgba(188, 163, 59, 0.8);
    margin-bottom: 0.75rem;
}

.capability-card h5 {
    margin: 0.75rem 0;
    color: #f5f5f0;
    font-size: 1rem;
}

.capability-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   TDR PULSE ANIMATION
   ============================================ */
.tdr-pulse-container {
    position: relative;
    height: 60px;
    background: rgba(30, 31, 34, 0.8);
    border-radius: 8px;
    overflow: hidden;
    margin: 2rem 0 1rem 0;
    border: 1px solid rgba(74, 76, 84, 0.3);
}

.cable-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(188, 163, 59, 0.3);
    transform: translateY(-50%);
}

.pulse {
    position: absolute;
    top: 50%;
    left: -20px;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 1);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    transform: translateY(-50%);
    animation: tdrPulse 3s ease-in-out infinite;
}

.pulse-trail {
    position: absolute;
    top: 50%;
    left: -20px;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%);
    transform: translateY(-50%);
    animation: pulseTrail 3s ease-in-out infinite;
}

@keyframes tdrPulse {
    0% { left: -20px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: calc(100% + 20px); opacity: 0; }
}

@keyframes pulseTrail {
    0% { left: -20px; width: 0; }
    50% { width: 200px; }
    100% { left: calc(100% + 20px); width: 0; }
}

.pulse-label {
    text-align: center;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   CTA CARD
   ============================================ */
.cta-card {
    background: rgba(30, 31, 34, 0.9);
    border: 2px solid rgba(188, 163, 59, 0.4);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    margin: 2rem auto;
    max-width: 800px;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 1;
}

.cta-card h3 {
    color: #f5f5f0;
    margin: 0 0 1rem 0;
    font-size: 1.5rem;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 1rem 0;
    font-size: 1rem;
}

.cta-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem 1rem;
    margin: 1.5rem 0;
    color: rgba(188, 163, 59, 0.9);
    font-size: 0.9rem;
}

.cta-options span {
    white-space: nowrap;
}

.cta-button {
    display: inline-block;
    background: rgba(188, 163, 59, 0.15);
    border: 2px solid rgba(188, 163, 59, 0.6);
    color: #ffffff;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 1.5rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: rgba(188, 163, 59, 0.25);
    border-color: rgba(188, 163, 59, 0.8);
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(188, 163, 59, 0.3);
}

/* ============================================
   CUSTOMER SECTIONS (COLLAPSIBLE)
   ============================================ */
.customer-section {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(74, 76, 84, 0.3);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.customer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
    border-radius: 8px 8px 0 0;
}

.customer-section:hover {
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 4px 12px rgba(188, 163, 59, 0.15);
}

.customer-section:hover::before {
    opacity: 1;
}

.customer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.customer-header h3 {
    margin: 0;
    color: #f5f5f0;
    font-size: 1.1rem;
}

.customer-section.expanded .toggle-icon {
    transform: rotate(180deg);
}

.customer-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.customer-section.expanded .customer-content {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.customer-content ul {
    list-style: none;
    padding-left: 0;
}

.customer-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.customer-content li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: rgba(188, 163, 59, 0.8);
}

/* ============================================
   SERVICE CARDS WITH ICONS
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.service-card {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(74, 76, 84, 0.3);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}


.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 8px 24px rgba(188, 163, 59, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
    color: #e8e6e3;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    margin: 1rem 0;
    color: #f5f5f0;
}

.service-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.service-card p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .problem-card:hover,
    .feature-card:hover,
    .capability-card:hover,
    .service-card:hover {
        transform: none;
    }

    .problem-card:active {
        transform: translateY(-4px) !important;
        border-color: rgba(255, 255, 255, 0.6);
        box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
    }

    .problem-card:active::before {
        opacity: 1;
    }

    .feature-card:active {
        transform: translateY(-4px) !important;
        border-color: rgba(255, 255, 255, 0.6);
        box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
    }

    .feature-card:active::before {
        opacity: 1;
    }

    .capability-card:active {
        transform: translateY(-4px) !important;
        border-color: rgba(255, 255, 255, 0.6);
        box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
    }

    .capability-card:active::before {
        opacity: 1;
    }

    .service-card:active {
        transform: translateY(-4px) !important;
        border-color: rgba(255, 255, 255, 0.6);
        box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
    }

    .service-card:active::before {
        opacity: 1;
    }

    .cta-card {
        padding: 2rem 1.5rem;
    }

    .cta-card h3 {
        font-size: 1.25rem;
    }

    .cta-card p {
        font-size: 0.95rem;
    }

    .cta-options {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
        padding-left: 1rem;
    }

    .cta-separator {
        display: none;
    }

    .cta-option {
        display: block;
        position: relative;
        padding-left: 1.2rem;
    }

    .cta-option::before {
        content: '•';
        position: absolute;
        left: 0;
        color: rgba(188, 163, 59, 0.9);
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
        width: 100%;
        max-width: 280px;
    }

    .cta-button-text-desktop {
        display: none;
    }

    .cta-button-text-mobile {
        display: inline;
    }
}

@media (min-width: 769px) {
    .cta-button-text-desktop {
        display: inline;
    }

    .cta-button-text-mobile {
        display: none;
    }
}

/* ============================================
   COLLAPSIBLE INDUSTRY SECTIONS
   ============================================ */
.industry-section {
    background: rgba(30, 31, 34, 0.8);
    border: 1px solid rgba(74, 76, 84, 0.3);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.industry-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 25%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(255, 255, 255, 0.3) 75%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
    border-radius: 8px 8px 0 0;
}

.industry-section:hover {
    border-color: rgba(188, 163, 59, 0.6);
    box-shadow: 0 4px 12px rgba(188, 163, 59, 0.15);
}

.industry-section:hover::before {
    opacity: 1;
}

.industry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.industry-header h3 {
    margin: 0;
    color: #f5f5f0;
    font-size: 1.1rem;
}

.toggle-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.industry-section.expanded .toggle-icon {
    transform: rotate(180deg);
}

.industry-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.industry-section.expanded .industry-content {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.industry-content ul {
    list-style: none;
    padding-left: 0;
}

.industry-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.industry-content li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: rgba(188, 163, 59, 0.8);
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison-table-container {
    overflow-x: auto;
    overflow-y: hidden;
    margin: 2rem 0;
    position: relative;
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: rgba(30, 31, 34, 0.8);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table th {
    background: rgba(43, 45, 49, 0.8);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: rgba(188, 163, 59, 1);
    border-bottom: 2px solid rgba(188, 163, 59, 0.3);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(74, 76, 84, 0.3);
}

.comparison-table tr {
    opacity: 0;
    animation: fadeInRow 0.6s ease forwards;
}

.comparison-table tr:nth-child(1) { animation-delay: 0.1s; }
.comparison-table tr:nth-child(2) { animation-delay: 0.2s; }
.comparison-table tr:nth-child(3) { animation-delay: 0.3s; }
.comparison-table tr:nth-child(4) { animation-delay: 0.4s; }
.comparison-table tr:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInRow {
    to { opacity: 1; }
}

.comparison-table tr.highlight-row {
    background: rgba(188, 163, 59, 0.1);
    border-left: 3px solid rgba(188, 163, 59, 0.8);
}

.comparison-table tr.highlight-row td {
    font-weight: 400;
    color: #ffffff;
}