/* Layout & Components Styles */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
#main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
}

#nav-wave-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
    filter: blur(3.5px);
}

.nav-container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.85;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-text);
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-link.btn-primary {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.45rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link.btn-primary:hover {
    background: rgba(0, 245, 212, 0.12);
    color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-primary-glow);
    transform: translateY(-1px);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.nav-kktc-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 2px 5px;
    background: rgba(240, 244, 249, 0.96);
    border-radius: 8px;
    border: 1px solid rgba(0, 245, 212, 0.35);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), 0 0 10px rgba(0, 245, 212, 0.2);
    overflow: hidden;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-kktc-badge:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45), 0 0 16px rgba(0, 245, 212, 0.45);
    border-color: var(--color-primary);
}

.nav-kktc-img {
    height: 100%;
    width: auto;
    max-height: 34px;
    object-fit: contain;
    display: block;
    border-radius: 5px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    z-index: 1100;
    transition: all 0.25s ease;
}

.mobile-menu-btn:hover {
    background: rgba(0, 245, 212, 0.1);
    border-color: var(--color-primary);
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Animated Hamburger to X */
.mobile-menu-btn.active {
    background: rgba(0, 245, 212, 0.15);
    border-color: var(--color-primary);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--color-primary);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--color-primary);
}

/* Ambient Fullpage Background Slideshow */
.bg-slideshow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-slide {
    position: absolute;
    top: -30px;
    left: -30px;
    width: calc(100% + 60px);
    height: calc(100% + 60px);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    filter: blur(7px);
    transform: translate3d(0, 0, 0) scale(1.04);
    transition: opacity 2.5s ease-in-out;
    animation: seaWaveFloat 20s ease-in-out infinite alternate;
    will-change: opacity, transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.bg-slide.active {
    opacity: 0.25;
    transform: translate3d(0, 0, 0) scale(1.02);
}

@keyframes seaWaveFloat {
    0% {
        transform: translate3d(0px, 0px, 0) scale(1.02);
    }
    33% {
        transform: translate3d(12px, -8px, 0) scale(1.05);
    }
    66% {
        transform: translate3d(-8px, 10px, 0) scale(1.03);
    }
    100% {
        transform: translate3d(0px, 0px, 0) scale(1.02);
    }
}

/* SPA Sections */
.page-section {
    position: relative;
    z-index: 1;
    display: none;
    padding: 120px 0 80px;
    min-height: 100vh;
    animation: fadeIn 0.5s ease;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 25%;
    width: 50%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Hero Section */
#home {
    position: relative;
    overflow: hidden;
}

.hero {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.hero-visual {
    position: sticky;
    top: 100px;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 150px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

.watch-container {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-watch {
    width: 90%;
    max-width: 440px;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.75))
            drop-shadow(0 0 10px rgba(0, 245, 212, 0.5))
            drop-shadow(0 0 28px rgba(0, 210, 255, 0.3));
    object-fit: contain;
}

/* Home Protocols List */
.home-protocols-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2.2rem;
    width: 100%;
    max-width: 520px;
}

.home-protocol-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.95rem 1.4rem;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-decoration: none;
    box-sizing: border-box;
}

.home-protocol-card:hover {
    border-color: var(--color-primary);
    background: rgba(0, 245, 212, 0.08);
    transform: translateX(6px);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.home-protocol-card .card-content {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-grow: 1;
    min-width: 0;
}

.home-protocol-card .card-icon {
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

.home-protocol-card .card-title {
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.home-protocol-card .card-arrow {
    font-size: 1.1rem;
    color: var(--color-primary);
    opacity: 0.6;
    transition: transform 0.2s ease, opacity 0.2s ease;
    flex-shrink: 0;
    margin-left: 0.75rem;
}

.home-protocol-card:hover .card-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.protocol-badge {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.2rem 0.65rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    margin-left: auto;
    margin-right: 0.75rem;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.protocol-badge.badge-online {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 245, 212, 0.25);
}

.protocol-badge.badge-progressing {
    border-color: rgba(0, 245, 212, 0.55);
    color: var(--color-primary);
    opacity: 0.85;
}

.home-protocol-card:hover .protocol-badge {
    background: rgba(0, 245, 212, 0.12);
    box-shadow: 0 0 12px var(--color-primary-glow);
}

.glow-ring {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,245,212,0.1) 0%, rgba(0,0,0,0) 70%);
    animation: pulse 4s infinite;
    z-index: 1;
}

#wave-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: transform;
    filter: drop-shadow(0 0 6px rgba(0, 245, 212, 0.25));
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0.5; }
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: flex-start;
}

.about-text {
    padding: 2.5rem;
    border-radius: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.about-text h3 {
    color: var(--color-primary);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    letter-spacing: -0.5px;
}

.about-text p {
    margin-bottom: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.96rem;
    line-height: 1.75;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-highlight {
    color: var(--color-primary) !important;
    font-size: 1.05rem !important;
    padding: 1rem 1.25rem;
    background: rgba(0, 245, 212, 0.08);
    border-left: 3px solid var(--color-primary);
    border-radius: 8px;
    margin-top: 1.5rem !important;
}

.about-image {
    position: sticky;
    top: 110px;
}

.about-wave-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 245, 212, 0.15);
    background: radial-gradient(circle at center, #1c2541 0%, #080e1a 100%);
}

#about-wave-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.about-wave-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 80%, rgba(8, 14, 26, 0.25) 100%);
    border-radius: 20px;
}

.about-wave-badges-outer {
    display: flex;
    justify-content: space-between;
    margin-top: 0.85rem;
    padding: 0 0.5rem;
    z-index: 2;
}

.about-wave-tag, .about-wave-badge {
    background: rgba(14, 22, 40, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 245, 212, 0.35);
    color: var(--color-primary);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 0 14px rgba(0, 245, 212, 0.2);
}

.rounded-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.highlight-card {
    border-color: var(--color-primary);
    background: rgba(28, 37, 65, 0.6);
}

.service-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.service-card-top .service-icon {
    font-size: 2.5rem;
    margin-bottom: 0;
    line-height: 1;
}

.service-card-top .protocol-badge {
    margin: 0;
}

.service-card:hover .protocol-badge {
    background: rgba(0, 245, 212, 0.12);
    box-shadow: 0 0 12px var(--color-primary-glow);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Solutions Configurator */
.configurator-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.product-preview {
    padding: 2rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

#product-main-img {
    width: 100%;
    max-width: 350px;
    border-radius: 12px;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.spec-badge {
    background: rgba(0, 245, 212, 0.1);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--color-primary-glow);
}

.configurator-panel {
    padding: 2.5rem;
    border-radius: 16px;
}

.base-price, .total-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-heading);
    margin-bottom: 2rem;
}

.disease-selector h4 {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Custom Checkbox */
.custom-checkbox {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    user-select: none;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.custom-checkbox:hover {
    color: var(--color-text);
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.custom-checkbox:hover input ~ .checkmark {
    border-color: var(--color-primary);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid var(--color-bg);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.total-summary {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
}

/* Workflow Steps */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step {
    padding: 2rem;
    border-radius: 16px;
    position: relative;
    text-align: center;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.step p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info, .legal-links {
    padding: 2.5rem;
    border-radius: 16px;
}

.contact-info p {
    color: var(--color-text-muted);
}

.contact-link {
    display: block;
    margin-bottom: 0.5rem;
}

.legal-list {
    list-style: none;
}

.legal-list li {
    margin-bottom: 1rem;
}

.legal-list a {
    color: var(--color-text-muted);
}

.legal-list a:hover {
    color: var(--color-primary);
}

/* Footer */
.glass-footer {
    padding: 2rem 0;
    margin-top: 4rem;
}

.glass-footer p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE DESIGN (Tablets & Mobile)
   ========================================================================== */

@media (max-width: 992px) {
    .hero, .about-grid, .configurator-layout, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .hero-content h1 {
        font-size: clamp(2.2rem, 5vw, 3rem);
    }
    
    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .hero-visual {
        position: static;
        width: 100%;
    }

    .about-image {
        position: static;
        width: 100%;
    }
}

@media (max-width: 768px) {
    /* Global Container & Sections */
    .container {
        padding: 0 1.25rem;
    }

    .page-section {
        padding: 85px 0 50px;
        min-height: auto;
    }

    .section-title {
        font-size: clamp(1.75rem, 5vw, 2.1rem);
        margin-bottom: 2rem;
    }

    /* Navigation Bar */
    .nav-container {
        height: 70px;
        padding: 0 1.25rem;
    }

    .logo-text {
        font-size: 1.25rem;
        letter-spacing: 1px;
    }

    .logo-sub {
        font-size: 0.68rem;
    }

    .nav-actions {
        gap: 0.5rem;
    }

    .btn-icon {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .nav-kktc-badge {
        height: 32px;
        padding: 2px 4px;
        border-radius: 6px;
    }

    .nav-kktc-img {
        max-height: 28px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Mobile Dropdown Menu */
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        flex-direction: column;
        background: rgba(6, 11, 22, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 245, 212, 0.12);
        padding: 1.25rem 1.5rem 2rem;
        gap: 0.4rem;
        z-index: 1050;
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    }

    .nav-links.show {
        display: flex !important;
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links .nav-link {
        width: 100%;
        padding: 0.85rem 1rem;
        font-size: 1rem;
        font-weight: 500;
        border-radius: 8px;
        color: var(--color-text);
        display: flex;
        align-items: center;
        transition: background 0.2s ease, color 0.2s ease, padding 0.2s ease;
    }

    .nav-links .nav-link:hover, 
    .nav-links .nav-link.active {
        background: rgba(0, 245, 212, 0.1);
        color: var(--color-primary);
        padding-left: 1.25rem;
    }

    .nav-links .nav-link.btn-primary {
        margin-top: 0.75rem;
        text-align: center;
        justify-content: center;
        padding: 0.85rem 1.2rem;
        background: linear-gradient(135deg, rgba(0, 245, 212, 0.15) 0%, rgba(0, 180, 216, 0.2) 100%);
        border: 1px solid var(--color-primary);
        color: var(--color-primary);
    }

    /* Hero Section */
    .hero {
        padding: 1.5rem 0;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: clamp(1.8rem, 6.5vw, 2.35rem);
        line-height: 1.2;
        margin-bottom: 1.25rem;
        word-break: break-word;
    }

    .hero-subtitle {
        font-size: 0.98rem;
        line-height: 1.55;
        margin-bottom: 1.5rem;
    }

    .hero-stats {
        display: flex;
        flex-direction: row;
        gap: 0.6rem;
        width: 100%;
        margin-bottom: 1.75rem;
    }

    .stat-card {
        flex: 1;
        min-width: 0;
        padding: 0.9rem 0.5rem;
        text-align: center;
    }

    .stat-value {
        font-size: clamp(1.35rem, 5vw, 1.75rem);
    }

    .stat-label {
        font-size: 0.75rem;
        line-height: 1.3;
    }

    .watch-container {
        height: 280px;
        width: 100%;
    }

    .floating-watch {
        width: 80%;
        max-width: 250px;
    }

    .home-protocols-list {
        margin-top: 1.25rem;
        max-width: 100%;
    }

    .home-protocol-card {
        padding: 0.8rem 1rem;
        min-height: 48px;
    }

    .home-protocol-card .protocol-title {
        font-size: 0.92rem;
    }

    .home-protocol-card .protocol-badge {
        font-size: 0.72rem;
        padding: 0.25rem 0.6rem;
    }

    /* About Section */
    .about-text {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .about-text h3 {
        font-size: 1.35rem;
        margin-bottom: 1rem;
    }

    .about-text p {
        font-size: 0.92rem;
        line-height: 1.65;
        margin-bottom: 1rem;
    }

    .about-highlight {
        font-size: 0.92rem !important;
        padding: 0.85rem 1rem;
    }

    .about-wave-badges-outer {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
        padding: 0;
    }

    .about-wave-tag, .about-wave-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .service-card {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .service-card-top .service-icon {
        font-size: 2rem;
    }

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

    .service-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    /* Workflow Steps */
    .workflow-steps {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .step-num {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    /* Configurator */
    .configurator-layout {
        gap: 1.5rem;
    }

    .product-card {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .product-gallery {
        height: 180px;
    }

    .product-gallery img {
        max-height: 160px;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }

    .checkbox-card {
        padding: 0.85rem 1rem;
        min-height: 48px;
        border-radius: 10px;
    }

    .custom-checkbox {
        font-size: 0.92rem;
        padding-left: 30px;
        line-height: 1.35;
    }

    .checkmark {
        height: 20px;
        width: 20px;
        top: 0;
    }

    .total-card {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .btn-checkout {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        font-size: 1.05rem;
    }

    /* Order Form */
    .order-form-container {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
        margin-top: 1.75rem;
    }

    .order-form-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        position: relative;
        padding-right: 40px;
    }

    .btn-close-form {
        position: absolute;
        top: 0;
        right: 0;
    }

    .selected-config-summary {
        padding: 1rem 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .summary-pricing-row {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .selected-programs-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.4rem;
        max-width: 100%;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .form-group-full {
        grid-column: span 1;
    }

    /* Form Input Controls - 16px to prevent iOS auto-zoom */
    .glass-input, .glass-select, .glass-textarea {
        font-size: 16px !important;
        min-height: 46px;
        padding: 0.75rem 1rem;
    }

    .order-form-actions {
        margin-top: 1.5rem;
    }

    .btn-submit-order {
        width: 100%;
        min-height: 50px;
        font-size: 1.05rem;
        padding: 0.9rem 1.5rem;
    }

    /* Contact Section */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-info, .legal-links {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .contact-link {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    /* Blog Section */
    .blog-content {
        padding: 1.5rem 1.25rem;
        border-radius: 14px;
    }

    .blog-content h2, .blog-content h3 {
        font-size: 1.3rem;
    }

    .blog-content ul {
        margin-left: 1.25rem;
    }

    /* Modals Responsive */
    .modal-content {
        width: 95%;
        max-width: 95%;
        max-height: 88vh;
        padding: 2.5rem 1.25rem 1.5rem;
        border-radius: 14px;
        -webkit-overflow-scrolling: touch;
    }

    .modal-close {
        top: 0.6rem;
        right: 0.6rem;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.8rem;
    }

    .modal-body h2 {
        font-size: 1.35rem;
    }

    .modal-body p {
        font-size: 0.92rem;
        line-height: 1.6;
    }
}

/* Extra Small Mobile Devices (<= 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        height: 64px;
        padding: 0 1rem;
    }

    .logo-text {
        font-size: 1.15rem;
        letter-spacing: 0.5px;
    }

    .logo-sub {
        font-size: 0.62rem;
    }

    .nav-kktc-badge {
        height: 28px;
        padding: 1px 3px;
    }

    .nav-kktc-img {
        max-height: 24px;
    }

    .btn-icon {
        padding: 0.35rem 0.6rem;
        font-size: 0.78rem;
    }

    .mobile-menu-btn {
        width: 36px;
        height: 36px;
        padding: 6px;
    }

    .mobile-menu-btn span {
        width: 18px;
    }

    .hero-content h1 {
        font-size: clamp(1.6rem, 7vw, 1.95rem);
    }

    .hero-stats {
        gap: 0.4rem;
    }

    .stat-card {
        padding: 0.75rem 0.35rem;
    }

    .stat-value {
        font-size: 1.35rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .watch-container {
        height: 240px;
    }

    .floating-watch {
        max-width: 210px;
    }
}

/* Blog Section */
.blog-content {
    padding: 2.5rem;
    border-radius: 16px;
    margin-top: 2rem;
}
.blog-content h2, .blog-content h3 {
    color: var(--color-primary);
    margin-top: 1.5rem;
}
.blog-content p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.blog-content ul {
    margin-left: 2rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.blog-content blockquote p {
    color: var(--color-text);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(8, 14, 26, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-surface);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    border-radius: 16px;
    padding: 3rem;
    position: relative;
    overflow-y: auto;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    color: var(--color-text-muted);
}
.modal-body h1, .modal-body h2, .modal-body h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.modal-body p, .modal-body ul {
    margin-bottom: 1rem;
}
.modal-body ul {
    margin-left: 2rem;
}

/* FAQs Section */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item.active {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.05);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p, .faq-answer li {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--color-text-muted);
    margin: 0;
}
.faq-answer li {
    margin-left: 1.5rem;
    margin-bottom: 0.5rem;
}

/* ========================================================
   Solutions Page: Order & Consultation Form
   ======================================================== */
.order-form-container {
    margin-top: 3.5rem;
    padding: 2.5rem;
    border-radius: 20px;
    background: rgba(13, 20, 36, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 245, 212, 0.28);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 245, 212, 0.12);
    animation: orderFormSlideDown 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 10;
}

@keyframes orderFormSlideDown {
    from {
        opacity: 0;
        transform: translateY(-25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.order-form-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.order-form-title-wrap h3 {
    font-size: 2rem;
    margin: 0.5rem 0 0.25rem;
    color: var(--color-text);
    font-family: var(--font-heading);
}

.order-form-title-wrap p {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.95rem;
}

.badge-tech {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-primary);
    background: rgba(0, 245, 212, 0.1);
    border: 1px solid rgba(0, 245, 212, 0.3);
    border-radius: 20px;
}

.btn-close-form {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--color-text-muted);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.btn-close-form:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #ef4444;
    transform: rotate(90deg);
}

/* Selected Configuration Summary */
.selected-config-summary {
    padding: 1.5rem;
    border-radius: 14px;
    margin-bottom: 2.25rem;
    background: rgba(10, 16, 28, 0.65);
    border: 1px solid rgba(0, 210, 255, 0.2);
}

.config-summary-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.config-summary-header h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.config-summary-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.config-item.total-item {
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
}

.config-item .config-label {
    color: var(--color-text-muted);
}

.config-item .config-value {
    font-weight: 600;
    color: var(--color-text);
}

.config-total-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    text-shadow: 0 0 12px var(--color-primary-glow);
    font-family: var(--font-heading);
}

.selected-programs-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-end;
    max-width: 65%;
}

.program-tag {
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    border-radius: 6px;
    background: rgba(0, 245, 212, 0.12);
    border: 1px solid rgba(0, 245, 212, 0.35);
    color: var(--color-primary);
    font-weight: 500;
}

.program-tag-empty {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

/* Customer Information Form */
.form-section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-section-title h4 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--color-text);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group-full {
    grid-column: span 2;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.required-star {
    color: #ef4444;
}

.glass-input, .glass-select, .glass-textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(8, 14, 26, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: all 0.25s ease;
    box-sizing: border-box;
}

.glass-input:focus, .glass-select:focus, .glass-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 14px var(--color-primary-glow);
    background: rgba(8, 14, 26, 0.9);
}

.glass-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300f5d4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    appearance: none;
}

.glass-select option {
    background: #0d1424;
    color: var(--color-text);
}

.glass-textarea {
    resize: vertical;
    min-height: 80px;
}

.glass-input.is-invalid, .glass-select.is-invalid, .glass-textarea.is-invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4) !important;
}

/* Error Banner */
.form-alert-error {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.2rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Submit Actions */
.order-form-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-end;
}

.btn-submit-order {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-width: 220px;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
}

.btn-submit-order:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Success Card */
.order-success-card {
    text-align: center;
    padding: 3rem 2rem;
    border-radius: 16px;
    background: rgba(10, 20, 32, 0.85);
    border: 1px solid rgba(52, 211, 153, 0.4);
    box-shadow: 0 0 30px rgba(52, 211, 153, 0.15);
}

.success-icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(52, 211, 153, 0.15);
    border: 2px solid #34d399;
    color: #34d399;
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.3);
}

.order-success-card h3 {
    font-size: 1.8rem;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.order-success-card p {
    color: var(--color-text-muted);
    max-width: 550px;
    margin: 0 auto 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.order-ref-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.order-ref-badge strong {
    color: var(--color-primary);
    letter-spacing: 1px;
}