/* ===================================
   LAYOUT.CSS - Header, Navigation, Containers
   =================================== */

/* Container Pattern */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.wide-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Pattern with Curved Transitions */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 0;
    right: 0;
    height: 120px;
    border-radius: 0 0 0 0;
    z-index: 1;
}

/* Enhanced Logo Implementation */
.enhanced-logo {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 300;
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    letter-spacing: 0.02em;
    position: relative;
}

.enhanced-logo .lakestone {
    position: relative;
    transition: color 0.4s ease;
}

.enhanced-logo .dot {
    color: #00C8FF;
    animation: ripple 2.5s infinite ease-in-out;
    display: inline-block;
    margin: 0;
}

.enhanced-logo .ai {
    color: #00C8FF;
    font-weight: 300;
    letter-spacing: -0.03em;
    position: relative;
}

.enhanced-logo .ai::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00C8FF;
    transition: width 0.4s ease;
}

.enhanced-logo:hover .lakestone {
    color: #f5f5f5;
}

.enhanced-logo:hover .ai::after {
    width: 100%;
}

@keyframes ripple {
    0% {
        transform: scale(1);
        text-shadow: 0 0 8px #00C8FF;
        opacity: 0.8;
    }
    to { 
        text-shadow: 0 0 20px #00C8FF; 
    }
}

/* PROFESSIONAL HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 4px 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.header.scrolled {
    padding: 1px 0;
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* SCROLL PROGRESS BAR */
.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: #00bcd4;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s ease-out, opacity 0.5s ease;
    width: 100%;
    z-index: 3;
}

/* NAVIGATION */
.navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
    align-items: center;
}

.nav-menu li {
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #ffffff;
    background: none;
    border: none;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    padding: 6px 8px;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.header.scrolled .nav-menu a {
    font-size: 11px;
    padding: 4px 6px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00bcd4;
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #00bcd4;
}

.nav-menu a:hover::after,
.nav-menu a.active-nav::after {
    width: 100%;
}

.nav-menu a.active-nav {
    color: #00bcd4;
}

/* MOBILE MENU TOGGLE */
.mobile-menu-toggle {
    display: none;
    background: #00bcd4;
    border: none;
    color: #000000;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    padding: 12px 0px;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-menu-toggle:hover {
    background: #0097a7;
    transform: translateY(-1px);
}

/* MOBILE DRAWER */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1100;
    transition: left 0.4s ease;
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.mobile-nav-drawer.open {
    left: 0;
}

.mobile-nav-drawer .close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s ease;
}

.mobile-nav-drawer .close-btn:hover {
    color: #00bcd4;
}

.mobile-nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}

.mobile-nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.mobile-nav-menu a:hover,
.mobile-nav-menu a.active-nav {
    color: #00bcd4;
}

/* MOBILE OVERLAY */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* Breadcrumb Navigation for Landing Pages */
.breadcrumb-nav {
    transition: all 0.3s ease;
    opacity: 0;
}

.breadcrumb-nav a {
    color: #00bcd4;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
    color: #ffffff;
}

/* Back to Main Site Button */
.back-to-main {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 13px;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.back-to-main:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
    color: white;
}

/* Layout Grids */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.flow-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

.flow-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    position: relative;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
    animation: subtlePulse 8s ease-in-out infinite;
}

.faq-grid {
    display: grid;
    gap: 15px;
    max-width: 900px;
    margin: 60px auto !important;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.services-grid-landing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

/* Process Stream Container */
.process-stream-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
    padding: 40px 0;
}

.process-stream-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.3), rgba(255,255,255,0.6), rgba(255,255,255,0.3));
    transform: translateY(-50%);
    z-index: 1;
}

.content-display-area {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    padding: 40px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.2);
}

.flow-container {
    display: grid;
    grid-template-columns: 1fr 100px 1fr 100px 1fr;
    align-items: center;
    gap: 0;
    position: relative;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive Layout Adjustments */
@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

@media (min-width: 1024px) {
    .contact-layout {
        grid-template-columns: 1fr 1fr;
        max-width: none;
        align-items: start;
    }
}

/* Nav responsiveness for 7 items */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 20px;
    }

    .nav-menu a {
        font-size: 11px;
        padding: 5px 6px;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        gap: 15px;
    }

    .nav-menu a {
        font-size: 10px;
        padding: 4px 5px;
    }

    .services-grid {
        gap: 30px;
    }

    .flow-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .connection-arrow {
        transform: rotate(90deg);
        margin: var(--container-padding) 0;
    }

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

    .process-stream-container {
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
    }

    .process-stream-container::before {
        display: none;
    }

    .content-display-area {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 25px;
    }

    .flow-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .flow-cards {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 30px;
    }

    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-container {
        padding: 0 20px;
    }

    .process-stream-container {
        flex-direction: column;
        gap: 20px;
    }

    .content-display-area {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 20px;
        text-align: center;
    }

    .layer-card {
        min-height: 250px;
    }

    .connection-arrow {
        margin: 15px 0;
    }

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

    .faq-grid {
        margin: 0 auto;
        padding: 30px 0;
    }

    .contact-layout {
        gap: 30px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 30px 0;
    }

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

    .integration-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

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

@media (max-width: 480px) {
    .header-container {
        padding: 0 15px;
    }
    
    .mobile-nav-drawer {
        width: 280px;
        left: -280px;
    }

    .services-grid {
        gap: var(--container-padding);
    }

    .faq-grid {
        gap: 15px;
        margin: 0 auto;
    }

    .contact-layout {
        gap: 24px;
    }

    .content-display-area {
        padding: 25px 15px;
    }
}