/* Global reset & typography foundations - Al Haider Company */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-deep);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography Selection */
::selection {
    background: var(--primary);
    color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Structural Blueprint Grid Background */
.blueprint-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    background-image: 
        linear-gradient(to right, rgba(var(--primary-rgb), 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(var(--primary-rgb), 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    background-position: center;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    width: 100%;
}

/* Sticky Header with Glassmorphism */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(248, 249, 250, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(233, 236, 239, 0.5);
    transition: var(--transition-normal);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-normal);
}

header.scrolled .header-container {
    height: 70px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-fast);
}

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

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

/* Homepage Transparent Header Overrides (Before Scroll) */
body.home-page header:not(.scrolled) {
    background: transparent;
    border-bottom: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

body.home-page header:not(.scrolled) .logo-text {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

body.home-page header:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

body.home-page header:not(.scrolled) .nav-link::after {
    background-color: #ffffff;
}

body.home-page header:not(.scrolled) .nav-link:hover,
body.home-page header:not(.scrolled) .nav-link.active {
    color: #ffffff;
}

body.home-page header:not(.scrolled) .menu-toggle span {
    background-color: #ffffff;
}

body.home-page header:not(.scrolled) .nav-cta .btn-primary {
    background-color: #ffffff;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

body.home-page header:not(.scrolled) .nav-cta .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.nav-cta {
    display: inline-block;
}

/* Premium Buttons & Safety Outlines */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 12px 28px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background-color: #2b278c;
    box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: #fff;
    box-shadow: var(--box-glow-hover);
    background-color: var(--primary);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    transition: var(--transition-normal);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Industrial Footer Section */
footer {
    --bg-deep: #201d68; /* Corporate Royal Blue #201d68 */
    --bg-surface: rgba(255, 255, 255, 0.08);
    --bg-surface-elevated: rgba(255, 255, 255, 0.15);
    --border-color: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: rgba(255, 255, 255, 0.6);
    --primary: #ffffff;
    --primary-rgb: 255, 255, 255;

    background-color: var(--bg-deep);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1.25fr 1.25fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-col-brand .logo-link {
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
    max-width: 320px;
}

.footer-socials {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-socials .social-icon {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: var(--transition-fast);
}

.footer-socials .social-icon:hover {
    color: var(--bg-deep); /* Turns to Ocean Blue */
    background-color: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.footer-contact-list i {
    color: var(--primary);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Animations & Scroll Triggers */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        z-index: 101;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--bg-surface);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-lg);
        padding: var(--spacing-xl);
        transition: var(--transition-normal);
        z-index: 100;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.08);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-cta {
        margin-top: var(--spacing-md);
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}