/* ============================================
   Web-ITDR Solution Page Styles
   ============================================ */

/* ========= Solution Overview Section ========= */
.solution-content-card {
    background: linear-gradient(145deg, rgba(20, 30, 45, 0.85) 0%, rgba(15, 22, 35, 0.9) 100%);
    border: 1px solid rgba(54, 201, 88, 0.2);
    border-radius: 10px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.solution-content-card:hover {
    border-color: rgba(54, 201, 88, 0.4);
    box-shadow:
        0 24px 70px rgba(54, 201, 88, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Left Side: Icon Column */
.solution-icon-col {
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(25, 35, 50, 0.6) 0%, rgba(18, 25, 38, 0.8) 100%);
    border-right: 1px solid rgba(54, 201, 88, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon-wrapper {
    text-align: center;
}

.solution-icon-large {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.2) 0%, rgba(54, 201, 88, 0.05) 100%);
    border: 2px solid rgba(54, 201, 88, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: solution-icon-pulse 3s ease-in-out infinite;
}

@keyframes solution-icon-pulse {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(54, 201, 88, 0.3),
            inset 0 0 15px rgba(54, 201, 88, 0.1);
        transform: scale(1);
    }
    50% {
        box-shadow:
            0 0 40px rgba(54, 201, 88, 0.5),
            0 0 80px rgba(54, 201, 88, 0.2),
            inset 0 0 20px rgba(54, 201, 88, 0.15);
        transform: scale(1.05);
    }
}

.solution-icon-large::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid rgba(54, 201, 88, 0.2);
    border-radius: 50%;
    animation: solution-icon-ring-spin 8s linear infinite;
}

@keyframes solution-icon-ring-spin {
    0% {
        transform: rotate(0deg);
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        transform: rotate(360deg);
        opacity: 0.3;
    }
}

.solution-icon-large i {
    width: 60px;
    height: 60px;
    color: #36c958;
    stroke-width: 2;
}

/* Right Side: Text Column */
.solution-text-col {
    padding: 60px 50px;
    background: linear-gradient(135deg, rgba(18, 25, 38, 0.6) 0%, rgba(12, 18, 28, 0.8) 100%);
}

.solution-text-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.solution-highlight-title {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.solution-description {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 20px;
}

.solution-description strong.text-highlight {
    color: #36c958;
    font-weight: 600;
}

.solution-description span.text-highlight {
    color: #36c958;
    font-weight: 500;
    padding: 2px 6px;
    background: rgba(54, 201, 88, 0.1);
    border-radius: 3px;
}

/* ========= Responsive Design ========= */

/* Tablet (768px ~ 1024px) */
@media (max-width: 1024px) {
    .solution-icon-col {
        border-right: none;
        border-bottom: 1px solid rgba(54, 201, 88, 0.15);
        padding: 50px 40px;
    }

    .solution-text-col {
        padding: 50px 40px;
    }

    .solution-icon-large {
        width: 100px;
        height: 100px;
    }

    .solution-icon-large i {
        width: 50px;
        height: 50px;
    }

    .solution-highlight-title {
        font-size: 24px;
    }

    .solution-description {
        font-size: 15px;
    }
}

/* Tablet (768px ~ 1024px) */
@media (max-width: 1024px) {
    .defense-canvas {
        padding: 50px 40px;
    }

    .process-flow {
        gap: 20px;
    }

    .flow-node {
        min-width: 140px;
        padding: 24px 20px;
    }

    .gateway-node {
        min-width: 180px;
    }

    .node-icon {
        width: 48px;
        height: 48px;
    }

    .gateway-icon-large {
        width: 60px;
        height: 60px;
    }

    .gateway-icon-large i {
        width: 30px;
        height: 30px;
    }

    .node-icon i {
        width: 24px;
        height: 24px;
    }

    .solution-feature-card {
        padding: 35px 28px;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    .solution-icon-col {
        padding: 40px 30px;
    }

    .solution-text-col {
        padding: 40px 30px;
    }

    .solution-icon-large {
        width: 80px;
        height: 80px;
    }

    .solution-icon-large i {
        width: 40px;
        height: 40px;
    }

    .solution-highlight-title {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .solution-description {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .defense-canvas {
        padding: 40px 24px;
    }

    .process-description {
        font-size: 14px;
        margin-bottom: 35px;
    }

    .process-flow {
        flex-direction: column;
        gap: 16px;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .flow-node {
        min-width: 100%;
        padding: 24px 20px;
    }

    .gateway-node {
        min-width: 100%;
    }

    .node-icon {
        width: 48px;
        height: 48px;
    }

    .gateway-icon-large {
        width: 56px;
        height: 56px;
    }

    .gateway-icon-large i {
        width: 28px;
        height: 28px;
    }

    .node-icon i {
        width: 24px;
        height: 24px;
    }

    .node-label {
        font-size: 15px;
    }

    .node-desc {
        font-size: 12px;
    }

    .feature-tag {
        font-size: 10px;
        padding: 3px 8px;
    }

    .process-legend {
        flex-wrap: wrap;
        gap: 16px;
    }

    .solution-feature-card {
        padding: 30px 24px;
    }

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

    .feature-card-desc {
        font-size: 13px;
    }
}

/* ========= Defense Process Canvas ========= */
.defense-canvas {
    background: linear-gradient(145deg, rgba(20, 30, 45, 0.85) 0%, rgba(15, 22, 35, 0.9) 100%);
    border: 1px solid rgba(54, 201, 88, 0.2);
    border-radius: 10px;
    padding: 60px 50px;
    backdrop-filter: blur(20px);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    position: relative;
    overflow: hidden;
}

.defense-canvas::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(54, 201, 88, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(54, 201, 88, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.process-description {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    position: relative;
    z-index: 1;
}

/* Process Flow */
.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.flow-node {
    background: linear-gradient(145deg, rgba(25, 35, 50, 0.8) 0%, rgba(18, 25, 38, 0.9) 100%);
    border: 1px solid rgba(54, 201, 88, 0.25);
    border-radius: 10px;
    padding: 30px 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 160px;
}

.flow-node:hover {
    border-color: rgba(54, 201, 88, 0.5);
    box-shadow: 0 12px 40px rgba(54, 201, 88, 0.2);
    transform: translateY(-6px);
}

.gateway-node {
    min-width: 200px;
    border: 2px solid rgba(54, 201, 88, 0.4);
    position: relative;
}

.gateway-node::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.1) 0%, transparent 100%);
    z-index: -1;
}

.node-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.15) 0%, rgba(54, 201, 88, 0.05) 100%);
    border: 1px solid rgba(54, 201, 88, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.flow-node:hover .node-icon {
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.25) 0%, rgba(54, 201, 88, 0.1) 100%);
    border-color: rgba(54, 201, 88, 0.5);
    transform: scale(1.1) rotate(5deg);
}

.node-icon i {
    width: 28px;
    height: 28px;
    color: #36c958;
    stroke-width: 2;
}

.gateway-icon-large {
    width: 72px;
    height: 72px;
    animation: gateway-pulse-glow 3s ease-in-out infinite;
}

@keyframes gateway-pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(54, 201, 88, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(54, 201, 88, 0.5);
    }
}

.gateway-icon-large i {
    width: 36px;
    height: 36px;
}

.node-label {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.node-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.4;
}

.gateway-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: 16px;
}

.feature-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    color: #36c958;
    background: rgba(54, 201, 88, 0.1);
    border: 1px solid rgba(54, 201, 88, 0.2);
    border-radius: 12px;
    padding: 4px 10px;
    letter-spacing: 0.02em;
}

.flow-arrow {
    color: rgba(54, 201, 88, 0.5);
    animation: arrow-pulse 2s ease-in-out infinite;
}

.flow-arrow i {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

@keyframes arrow-pulse {
    0%, 100% {
        opacity: 0.5;
        transform: translateX(0);
    }
    50% {
        opacity: 1;
        transform: translateX(4px);
    }
}

/* Process Legend */
.process-legend {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(54, 201, 88, 0.1);
    position: relative;
    z-index: 1;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

.legend-item span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========= Solution Feature Cards ========= */
.solution-feature-card {
    background: linear-gradient(145deg, rgba(25, 35, 50, 0.9) 0%, rgba(18, 25, 38, 0.95) 100%);
    border: 1px solid rgba(54, 201, 88, 0.2);
    border-radius: 10px;
    padding: 40px 32px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    backdrop-filter: blur(10px);
}

.solution-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(54, 201, 88, 0.6) 50%,
        transparent 100%
    );
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.solution-feature-card:hover::before {
    transform: scaleX(1);
}

.solution-feature-card:hover {
    border-color: rgba(54, 201, 88, 0.5);
    box-shadow:
        0 8px 32px rgba(54, 201, 88, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: translateY(-8px);
}

.feature-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.15) 0%, rgba(54, 201, 88, 0.05) 100%);
    border: 1px solid rgba(54, 201, 88, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card-icon i {
    width: 30px;
    height: 30px;
    color: #36c958;
    stroke-width: 2;
}

.solution-feature-card:hover .feature-card-icon {
    background: linear-gradient(135deg, rgba(54, 201, 88, 0.25) 0%, rgba(54, 201, 88, 0.1) 100%);
    border-color: rgba(54, 201, 88, 0.5);
    transform: scale(1.08) rotate(5deg);
}

.feature-card-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    transition: color 0.3s ease;
}

.solution-feature-card:hover .feature-card-title {
    color: #36c958;
}

.feature-card-desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}