/*
================================================================================
OBIAL STEEL SILO SYSTEMS - PREMIUM BRAND CSS
================================================================================
Dunya'nin En Buyuk Celik Silo ve Endustriyel Fan Ureticisi
World's Largest Steel Silo & Industrial Fan Manufacturer
================================================================================
*/

/* ===== OBIAL BRAND VARIABLES ===== */
:root {
    /* Primary Brand Colors */
    --obial-navy: #0a2540;
    --obial-navy-light: #1a3a5c;
    --obial-navy-dark: #051a2e;
    --obial-navy-gradient: linear-gradient(135deg, #0a2540 0%, #1a3a5c 50%, #0d2d4d 100%);

    /* Accent Colors */
    --obial-orange: #f57c00;
    --obial-orange-light: #ff9800;
    --obial-orange-dark: #e65100;
    --obial-orange-glow: rgba(245, 124, 0, 0.4);

    /* Logo Colors */
    --obial-red: #c62828;
    --obial-red-light: #ef5350;
    --obial-blue: #1565c0;

    /* Neutral Colors */
    --obial-white: #ffffff;
    --obial-gray-100: #f8f9fa;
    --obial-gray-200: #e9ecef;
    --obial-gray-300: #dee2e6;
    --obial-gray-600: #6c757d;
    --obial-gray-800: #343a40;
    --obial-black: #000000;

    /* Glass Effects */
    --obial-glass-bg: rgba(10, 37, 64, 0.85);
    --obial-glass-border: rgba(255, 255, 255, 0.1);
    --obial-glass-blur: blur(20px);

    /* Shadows */
    --obial-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --obial-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --obial-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);
    --obial-shadow-glow: 0 0 30px rgba(245, 124, 0, 0.3);
    --obial-shadow-orange: 0 4px 20px rgba(245, 124, 0, 0.4);

    /* Transitions */
    --obial-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --obial-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --obial-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --obial-transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Typography */
    --obial-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --obial-font-heading: 'Poppins', 'Inter', sans-serif;

    /* Spacing */
    --obial-navbar-height: 80px;
    --obial-topbar-height: 40px;
}

/* ===== PRELOADER - STEEL SILO THEMED ===== */
.obial-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a1628 0%, #0d2847 50%, #0a1628 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

/* Hidden state */
.obial-preloader:not(.active),
.obial-preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Preloader Container */
.obial-preloader-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
}

/* Logo - Center */
.obial-preloader-logo {
    position: relative;
    z-index: 10;
    width: 100px;
    height: auto;
}

.obial-preloader-logo img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(245, 124, 0, 0.4));
    animation: logoFloat 1.5s ease-in-out infinite;
}

/* Steel Silo Rings - Industrial Look */
.obial-preloader-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
}

/* Outer Ring - Steel Gray with Orange Accent */
.obial-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.obial-ring-1 {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #f57c00;
    border-right: 3px solid #ff9800;
    animation: steelRingSpin 1s linear infinite;
}

.obial-ring-2 {
    top: 15px;
    left: 15px;
    width: calc(100% - 30px);
    height: calc(100% - 30px);
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-bottom: 2px solid rgba(245, 124, 0, 0.6);
    border-left: 2px solid rgba(245, 124, 0, 0.3);
    animation: steelRingSpin 1.5s linear infinite reverse;
}

.obial-ring-3 {
    top: 30px;
    left: 30px;
    width: calc(100% - 60px);
    height: calc(100% - 60px);
    border: 2px solid rgba(255, 255, 255, 0.03);
    border-top: 2px solid rgba(255, 152, 0, 0.4);
    animation: steelRingSpin 0.8s linear infinite;
}

/* Hide text element */
.obial-preloader-text {
    display: none !important;
}

/* Animations */
@keyframes logoFloat {
    0%, 100% {
        transform: scale(1) translateY(0);
        filter: drop-shadow(0 0 20px rgba(245, 124, 0, 0.4));
    }
    50% {
        transform: scale(1.03) translateY(-3px);
        filter: drop-shadow(0 0 30px rgba(245, 124, 0, 0.6));
    }
}

@keyframes steelRingSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== PAGE TRANSITION OVERLAY ===== */
.obial-page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a1628 0%, #0d2847 100%);
    z-index: 99998;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.obial-page-transition.active {
    opacity: 1;
    visibility: visible;
}

.obial-page-transition .obial-transition-logo {
    width: 80px;
    animation: transitionPulse 0.5s ease;
}

.obial-page-transition .obial-transition-logo img {
    width: 100%;
    filter: drop-shadow(0 0 25px rgba(245, 124, 0, 0.5));
}

@keyframes transitionPulse {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== TOP BAR ===== */
.obial-topbar {
    background: var(--obial-navy-dark);
    height: var(--obial-topbar-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1001;
}

.obial-topbar-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.obial-topbar-left {
    display: flex;
    align-items: center;
    gap: 25px;
}

.obial-topbar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    transition: var(--obial-transition-fast);
}

.obial-topbar-item:hover {
    color: var(--obial-orange);
}

.obial-topbar-item i {
    color: var(--obial-orange);
    font-size: 14px;
}

.obial-topbar-highlight {
    background: var(--obial-orange);
    color: var(--obial-white) !important;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.obial-topbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.obial-topbar-btn {
    background: var(--obial-orange);
    color: var(--obial-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--obial-transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.obial-topbar-btn:hover {
    background: var(--obial-orange-light);
    transform: translateY(-1px);
    box-shadow: var(--obial-shadow-orange);
    color: var(--obial-white);
}

.obial-social-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.obial-social-link {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    transition: var(--obial-transition-fast);
}

.obial-social-link:hover {
    background: var(--obial-orange);
    color: var(--obial-white);
    transform: translateY(-2px);
}

/* ===== MAIN NAVBAR ===== */
.obial-navbar {
    background: var(--obial-white);
    height: var(--obial-navbar-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--obial-shadow-sm);
    transition: var(--obial-transition-normal);
}

.obial-navbar.scrolled {
    box-shadow: var(--obial-shadow-md);
}

.obial-navbar-container {
    max-width: 1400px;
    width: 100%;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.obial-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.obial-logo img {
    height: 50px;
    width: auto;
    transition: var(--obial-transition-fast);
}

.obial-logo:hover img {
    transform: scale(1.02);
}

.obial-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.obial-logo-text .brand-name {
    font-family: var(--obial-font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--obial-navy);
}

.obial-logo-text .brand-tagline {
    font-size: 11px;
    color: var(--obial-orange);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ===== NAVIGATION MENU ===== */
.obial-nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.obial-nav-item {
    position: relative;
}

.obial-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    color: var(--obial-navy);
    font-family: var(--obial-font-primary);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--obial-transition-fast);
    position: relative;
}

.obial-nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--obial-orange);
    transform: scaleX(0);
    transition: var(--obial-transition-fast);
}

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

.obial-nav-link:hover::after,
.obial-nav-link.active::after {
    transform: scaleX(1);
}

.obial-nav-link i {
    font-size: 10px;
    transition: var(--obial-transition-fast);
}

.obial-nav-item:hover .obial-nav-link i {
    transform: rotate(180deg);
}

/* ===== NAVBAR ACTIONS ===== */
.obial-navbar-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.obial-search-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--obial-gray-300);
    border-radius: 50%;
    color: var(--obial-navy);
    cursor: pointer;
    transition: var(--obial-transition-fast);
}

.obial-search-btn:hover {
    background: var(--obial-navy);
    border-color: var(--obial-navy);
    color: var(--obial-white);
}

.obial-cta-btn {
    background: linear-gradient(135deg, var(--obial-orange) 0%, var(--obial-orange-dark) 100%);
    color: var(--obial-white);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--obial-transition-fast);
    box-shadow: var(--obial-shadow-orange);
}

.obial-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 124, 0, 0.5);
    color: var(--obial-white);
}

.obial-cta-btn i {
    transition: var(--obial-transition-fast);
}

.obial-cta-btn:hover i {
    transform: translateX(3px);
}

/* ===== MEGAMENU ===== */
.obial-megamenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 800px;
    background: var(--obial-glass-bg);
    backdrop-filter: var(--obial-glass-blur);
    -webkit-backdrop-filter: var(--obial-glass-blur);
    border: 1px solid var(--obial-glass-border);
    border-radius: 16px;
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    transition: var(--obial-transition-normal);
    box-shadow: var(--obial-shadow-lg);
    z-index: 1000;
}

.obial-nav-item:hover .obial-megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.obial-megamenu-grid {
    display: grid;
    grid-template-columns: 250px 1fr 250px;
    gap: 30px;
}

.obial-megamenu-header {
    padding: 20px;
    background: linear-gradient(135deg, rgba(245, 124, 0, 0.2) 0%, rgba(245, 124, 0, 0.05) 100%);
    border-radius: 12px;
    border-left: 4px solid var(--obial-orange);
}

.obial-megamenu-header-icon {
    width: 50px;
    height: 50px;
    background: var(--obial-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--obial-white);
    font-size: 24px;
    margin-bottom: 15px;
}

.obial-megamenu-header h3 {
    color: var(--obial-white);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.obial-megamenu-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 15px;
}

.obial-megamenu-header-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--obial-orange);
    font-size: 14px;
    font-weight: 500;
}

.obial-megamenu-header-btn:hover {
    color: var(--obial-orange-light);
}

/* Megamenu Links */
.obial-megamenu-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.obial-megamenu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: var(--obial-white);
    transition: var(--obial-transition-fast);
    border: 1px solid transparent;
}

.obial-megamenu-link:hover {
    background: rgba(245, 124, 0, 0.15);
    border-color: rgba(245, 124, 0, 0.3);
    transform: translateX(5px);
    color: var(--obial-white);
}

.obial-megamenu-link-icon {
    width: 36px;
    height: 36px;
    background: var(--obial-orange);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--obial-white);
    font-size: 14px;
    flex-shrink: 0;
}

.obial-megamenu-link-text {
    font-size: 14px;
    font-weight: 500;
}

/* Megamenu Preview */
.obial-megamenu-preview {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.obial-megamenu-preview-placeholder {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.obial-megamenu-preview img {
    max-width: 100%;
    border-radius: 8px;
    transition: var(--obial-transition-fast);
}

/* ===== PREMIUM FOOTER ===== */
.obial-footer {
    background: var(--obial-navy-gradient);
    color: var(--obial-white);
    position: relative;
    overflow: hidden;
}

.obial-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--obial-orange), var(--obial-orange-light), var(--obial-orange));
}

.obial-footer-main {
    padding: 80px 0 60px;
}

.obial-footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.obial-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 50px;
}

/* Footer Brand */
.obial-footer-brand {
    padding-right: 30px;
}

.obial-footer-logo {
    margin-bottom: 20px;
}

.obial-footer-logo img {
    height: 60px;
    width: auto;
    filter: brightness(1.1);
}

.obial-footer-brand-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.obial-footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.obial-footer-contact-item i {
    color: var(--obial-orange);
    font-size: 16px;
    margin-top: 3px;
    width: 20px;
}

.obial-footer-social {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.obial-footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--obial-white);
    font-size: 16px;
    transition: var(--obial-transition-fast);
}

.obial-footer-social-link:hover {
    background: var(--obial-orange);
    transform: translateY(-3px);
    color: var(--obial-white);
}

/* Footer Columns */
.obial-footer-column h4 {
    color: var(--obial-white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--obial-orange);
    display: inline-block;
}

.obial-footer-column h4 i {
    color: var(--obial-orange);
    margin-right: 10px;
}

.obial-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.obial-footer-links li {
    margin-bottom: 12px;
}

.obial-footer-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: var(--obial-transition-fast);
}

.obial-footer-links a i {
    font-size: 10px;
    color: var(--obial-orange);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--obial-transition-fast);
}

.obial-footer-links a:hover {
    color: var(--obial-orange);
    padding-left: 5px;
}

.obial-footer-links a:hover i {
    opacity: 1;
    transform: translateX(0);
}

/* Footer Bottom */
.obial-footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.obial-footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.obial-footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.obial-footer-copyright a {
    color: var(--obial-orange);
}

.obial-footer-legal {
    display: flex;
    gap: 25px;
}

.obial-footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    transition: var(--obial-transition-fast);
}

.obial-footer-legal a:hover {
    color: var(--obial-orange);
}

/* ===== SCROLL TO TOP ===== */
.obial-scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--obial-orange) 0%, var(--obial-orange-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--obial-white);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--obial-transition-normal);
    box-shadow: var(--obial-shadow-orange);
    z-index: 999;
}

.obial-scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.obial-scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(245, 124, 0, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes obialFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes obialFadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes obialFadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes obialScaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes obialShimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.obial-animate-fade-up {
    animation: obialFadeInUp 0.6s ease forwards;
}

.obial-animate-fade-left {
    animation: obialFadeInLeft 0.6s ease forwards;
}

.obial-animate-fade-right {
    animation: obialFadeInRight 0.6s ease forwards;
}

.obial-animate-scale {
    animation: obialScaleIn 0.5s ease forwards;
}

/* Stagger delays */
.obial-delay-1 { animation-delay: 0.1s; }
.obial-delay-2 { animation-delay: 0.2s; }
.obial-delay-3 { animation-delay: 0.3s; }
.obial-delay-4 { animation-delay: 0.4s; }
.obial-delay-5 { animation-delay: 0.5s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .obial-megamenu {
        min-width: 700px;
    }

    .obial-megamenu-grid {
        grid-template-columns: 1fr 1fr;
    }

    .obial-megamenu-preview {
        display: none;
    }
}

@media (max-width: 992px) {
    .obial-topbar {
        display: none;
    }

    .obial-nav-menu {
        display: none;
    }

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

    .obial-footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .obial-footer-grid {
        grid-template-columns: 1fr;
    }

    .obial-footer-brand {
        grid-column: span 1;
        text-align: center;
    }

    .obial-footer-social {
        justify-content: center;
    }

    .obial-footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    .obial-preloader-logo {
        width: 120px;
    }

    .obial-preloader-ring {
        width: 160px;
        height: 160px;
    }
}

/* ===== UTILITY CLASSES ===== */
.obial-text-orange { color: var(--obial-orange) !important; }
.obial-text-navy { color: var(--obial-navy) !important; }
.obial-text-white { color: var(--obial-white) !important; }
.obial-bg-orange { background-color: var(--obial-orange) !important; }
.obial-bg-navy { background-color: var(--obial-navy) !important; }
.obial-bg-gradient { background: var(--obial-navy-gradient) !important; }


/* ═══════════════════════════════════════════════════════════════════════════════
   🏢 OBIAL PREMIUM HEADER & FOOTER OVERRIDES
   World's Largest Steel Silo Manufacturer - Premium Corporate Design
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ===== HEADER - TOPBAR PREMIUM STYLING ===== */
.OBIAL-topbar {
    background: linear-gradient(135deg, #0a1628 0%, #0d2847 100%) !important;
    height: 40px;
    border-bottom: 1px solid rgba(15, 92, 140, 0.3);
}

/* Global Operations Badge - OBIAL Blue */
.topbar-global {
    background: linear-gradient(135deg, #0f5c8c 0%, #1a7ab8 100%);
    color: #fff !important;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px !important;
    font-weight: 600;
    border-left: none !important;
    box-shadow: 0 2px 8px rgba(15, 92, 140, 0.4);
    animation: globalPulse 3s ease-in-out infinite;
}

.topbar-global i {
    color: #fff !important;
    margin-right: 6px;
}

@keyframes globalPulse {
    0%, 100% { box-shadow: 0 2px 8px rgba(15, 92, 140, 0.4); }
    50% { box-shadow: 0 2px 15px rgba(15, 92, 140, 0.6); }
}

/* Kariyer Butonu - Yeşil Gradient */
.topbar-career-link {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #fff !important;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.topbar-career-link:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.5);
    color: #fff !important;
}

/* İletişim Bilgileri */
.topbar-contact {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 13px;
    font-weight: 500;
}

.topbar-contact i {
    color: #5cb8ff !important;
}

.topbar-contact:hover {
    color: #5cb8ff !important;
}

/* Sosyal Medya İkonları */
.topbar-social a {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    transition: all 0.3s ease;
}

.topbar-social a:hover {
    background: #0f5c8c;
    border-color: #1a7ab8;
    color: #fff;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(15, 92, 140, 0.4);
}

/* ===== NAVBAR PREMIUM STYLING ===== */
.OBIAL-navbar {
    background: #fff;
    height: 72px;
    border-bottom: none;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.OBIAL-header.scrolled .OBIAL-navbar {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Logo Styling */
.OBIAL-logo .logo-img {
    height: 48px;
    transition: all 0.3s ease;
}

.OBIAL-header.scrolled .OBIAL-logo .logo-img {
    height: 40px;
}

.logo-brand {
    font-size: 20px !important;
    font-weight: 800 !important;
    color: #0a2540 !important;
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 10px !important;
    font-weight: 600 !important;
    color: #0f5c8c !important;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation Links */
.nav-link {
    font-size: 13px !important;
    font-weight: 600 !important;
    color: #1a3a5c !important;
    padding: 10px 14px !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: linear-gradient(90deg, #0f5c8c, #1a7ab8);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-item.has-megamenu:hover .nav-link::after,
.nav-item.has-megamenu.active .nav-link::after {
    transform: scaleX(1);
}

.nav-link:hover,
.nav-item.has-megamenu:hover .nav-link,
.nav-item.has-megamenu.active .nav-link {
    color: #0f5c8c !important;
    background: rgba(15, 92, 140, 0.08) !important;
}

/* Teklif Al Butonu - OBIAL Blue */
.nav-cta-btn {
    background: linear-gradient(135deg, #0f5c8c 0%, #0a4a73 100%) !important;
    color: #fff !important;
    padding: 12px 24px !important;
    border-radius: 30px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(15, 92, 140, 0.4);
    border: none;
}

.nav-cta-btn:hover {
    background: linear-gradient(135deg, #1a7ab8 0%, #0f5c8c 100%) !important;
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(15, 92, 140, 0.5);
    color: #fff !important;
}

.nav-cta-btn i {
    transition: transform 0.3s ease;
}

.nav-cta-btn:hover i {
    transform: translateX(4px);
}

/* Arama Butonu */
.nav-search-btn {
    width: 42px;
    height: 42px;
    background: transparent;
    border: 2px solid #e9ecef;
    border-radius: 50%;
    color: #1a3a5c;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-search-btn:hover {
    background: #0a2540;
    border-color: #0a2540;
    color: #fff;
    transform: scale(1.05);
}

/* ===== MEGAMENU PREMIUM STYLING - OBIAL COLORS ===== */

/* Megamenu kapanma gecikmesi - hover'dan çıkınca hemen kapanmasın */
.nav-item.has-megamenu {
    position: relative;
}

/* Megamenu ile nav-item arasında görünmez köprü */
.nav-item.has-megamenu::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

/* Megamenu - Glassmorphism, şeffaf, arka plan görünsün */
.megamenu {
    background: rgba(10, 37, 64, 0.75) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-top: 4px solid #0f5c8c !important;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25) !important;
    transition: all 0.3s ease !important;
    transition-delay: 0.05s !important;
}

/* Hover state için delay */
.nav-item.has-megamenu:hover .megamenu,
.nav-item.has-megamenu.active .megamenu {
    transition-delay: 0s !important;
}

/* Megamenu kapanırken delay */
.nav-item.has-megamenu .megamenu {
    transition-delay: 0.15s !important;
}

.megamenu-sidebar {
    background: linear-gradient(135deg, rgba(15, 92, 140, 0.95) 0%, rgba(10, 74, 115, 0.98) 100%) !important;
    backdrop-filter: blur(10px) !important;
}

.category-icon {
    background: linear-gradient(135deg, #0f5c8c 0%, #1a7ab8 100%) !important;
    box-shadow: 0 4px 15px rgba(15, 92, 140, 0.4);
}

.category-link {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

.category-link:hover {
    background: #fff !important;
    color: #0f5c8c !important;
}

/* Megamenu linkleri - şeffaf arka plan */
.megamenu-link {
    background: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
    backdrop-filter: blur(5px);
}

.megamenu-link:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #fff !important;
}

.megamenu-link i {
    color: #5cb8ff !important;
}

/* Megamenu grid ve column text renkleri */
.megamenu-main {
    background: transparent !important;
}

.megamenu-grid {
    color: #fff;
}

/* Preview alanı */
.megamenu-preview {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px dashed rgba(255, 255, 255, 0.2) !important;
}

.preview-placeholder {
    color: rgba(255, 255, 255, 0.6) !important;
}

.preview-title h4 {
    color: #fff !important;
}

.preview-title p {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   🦶 OBIAL PREMIUM FOOTER
   ═══════════════════════════════════════════════════════════════════════════════ */
.OBIAL-footer {
    background: linear-gradient(135deg, #0a1628 0%, #0d2847 50%, #0a1628 100%) !important;
    position: relative;
    overflow: hidden;
}

/* Footer Top Accent Line - OBIAL Blue */
.OBIAL-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0f5c8c 0%, #1a7ab8 50%, #0f5c8c 100%);
}

/* Footer Main */
.footer-main {
    padding: 70px 0 50px;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}

/* Footer Company Column */
.footer-company {
    padding-right: 30px;
}

.footer-logo img {
    height: 55px;
    width: auto;
    filter: brightness(1.1);
    margin-bottom: 20px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 25px;
}

/* Footer Contact Info */
.footer-contact-info {
    margin-bottom: 25px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.footer-contact-item i {
    color: #5cb8ff;
    font-size: 15px;
    margin-top: 3px;
    width: 18px;
    flex-shrink: 0;
}

.footer-contact-item a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.footer-contact-item a:hover {
    color: #5cb8ff;
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social-link {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 17px;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background: #0f5c8c;
    border-color: #0f5c8c;
    color: #fff;
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(15, 92, 140, 0.4);
}

/* Footer Columns */
.footer-column {
    min-width: 0;
}

.footer-column-title {
    color: #fff !important;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid #0f5c8c;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-column-title i {
    color: #5cb8ff;
    font-size: 14px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 14px;
    transition: all 0.3s ease;
    padding: 4px 0;
}

.footer-link i {
    font-size: 10px;
    color: #5cb8ff;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: #5cb8ff !important;
    padding-left: 5px;
}

.footer-link:hover i {
    opacity: 1;
    transform: translateX(0);
}

/* Footer Bottom */
.footer-bottom {
    background: rgba(0, 0, 0, 0.25);
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-copyright {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    margin: 0;
}

.footer-weg-credit {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    transition: color 0.3s ease;
}

.footer-weg-credit:hover {
    color: #5cb8ff;
}

.footer-weg-credit p {
    margin: 0;
    font-size: 12px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 8px;
}

.separator {
    color: rgba(255, 255, 255, 0.3);
    font-size: 10px;
}

.footer-legal-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 4px;
}

.footer-legal-link:hover {
    color: #5cb8ff;
    background: rgba(15, 92, 140, 0.15);
}

/* ===== FOOTER RESPONSIVE ===== */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }

    .footer-company {
        grid-column: span 2;
        text-align: center;
        padding-right: 0;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-company {
        grid-column: span 1;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ===== BACK TO TOP BUTTON - OBIAL STYLE ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #0f5c8c 0%, #0a4a73 100%);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(15, 92, 140, 0.4);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(15, 92, 140, 0.5);
}


/* ═══════════════════════════════════════════════════════════════════════════════
   📚 OBIAL CATALOG/BROCHURE PAGE STYLES
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Ana Konteyner */
.OBIAL-ürün-ana-konteyner {
    min-height: 100vh;
}

/* Hero Banner */
.OBIAL-ürün-video-banner {
    position: relative;
    height: 350px;
    background: linear-gradient(135deg, #0a2540 0%, #0f5c8c 50%, #1a7ab8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.OBIAL-ürün-video-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/Content/Obial/images/pattern-steel.png') repeat;
    opacity: 0.05;
}

.OBIAL-ürün-video-kaplama {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 20px;
}

.OBIAL-ürün-ana-baslik {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.OBIAL-ürün-kategori-baslik {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* İçerik Konteyner */
.OBIAL-ürün-içerik-konteyner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 24px;
}

.OBIAL-ürün-alt-baslik {
    font-size: 2rem;
    font-weight: 700;
    color: #0a2540;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.OBIAL-ürün-alt-baslik::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0f5c8c, #1a7ab8);
    border-radius: 2px;
}

.OBIAL-ürün-yazi-konteyner {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Brochure/Catalog Cards */
.brochure-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #fff;
}

.brochure-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(15, 92, 140, 0.15) !important;
}

.brochure-card .card-img-top {
    transition: transform 0.5s ease;
}

.brochure-card:hover .card-img-top {
    transform: scale(1.05);
}

.brochure-card .card-body {
    padding: 20px;
}

.brochure-card .card-title {
    color: #0a2540;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.brochure-card .card-footer {
    padding: 15px 20px;
}

.brochure-card .btn-primary {
    background: linear-gradient(135deg, #0f5c8c 0%, #0a4a73 100%);
    border: none;
}

.brochure-card .btn-primary:hover {
    background: linear-gradient(135deg, #1a7ab8 0%, #0f5c8c 100%);
}

.brochure-card .btn-outline-primary {
    color: #0f5c8c;
    border-color: #0f5c8c;
}

.brochure-card .btn-outline-primary:hover {
    background: #0f5c8c;
    color: #fff;
}

/* Hero Banner Variant */
.brochure-hero-banner {
    background: linear-gradient(135deg, #0a2540 0%, #0f5c8c 100%);
}

.brochure-hero-overlay {
    background: rgba(10, 37, 64, 0.4);
    padding: 40px;
    border-radius: 20px;
}

/* PDF Viewer Modal */
#pdfViewerModal .modal-header {
    background: linear-gradient(135deg, #0f5c8c 0%, #0a4a73 100%) !important;
}

#pdfViewerModal .btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: none;
}

/* Responsive */
@media (max-width: 768px) {
    .OBIAL-ürün-video-banner {
        height: 280px;
    }

    .OBIAL-ürün-ana-baslik {
        font-size: 2rem;
        letter-spacing: 2px;
    }

    .OBIAL-ürün-kategori-baslik {
        font-size: 1rem;
    }

    .OBIAL-ürün-içerik-konteyner {
        padding: 40px 16px;
    }

    .OBIAL-ürün-alt-baslik {
        font-size: 1.5rem;
    }
}