/* Glassmorphism Utilities */
.glass {
    background: var(--clr-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--clr-surface-border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--clr-primary);
    color: var(--clr-text-main);
    border: 1px solid rgba(255,255,255,0.1);
}
.btn-primary:hover {
    background: #2b4f8c;
    box-shadow: 0 0 20px var(--clr-primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--clr-secondary);
    border: 1px solid var(--clr-surface-border);
}
.btn-outline:hover {
    color: var(--clr-text-main);
    border-color: var(--clr-secondary-dark);
    background: rgba(255,255,255,0.05);
}

/* Navbar */
.main-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 80px;
    z-index: 100;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}
.main-header.scrolled {
    background: var(--clr-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--clr-surface-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-en-head);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--clr-text-main);
    letter-spacing: 2px;
}
.logo-icon {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

.nav-link {
    color: var(--clr-text-muted);
    font-weight: 500;
    transition: var(--transition-fast);
}
.nav-link:hover {
    color: var(--clr-text-main);
}

.nav-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.lang-toggle {
    color: var(--clr-secondary);
    font-weight: 600;
    font-family: var(--font-en-body);
}
.lang-toggle:hover {
    color: var(--clr-text-main);
}

/* Intro Overlay */
.intro-overlay {
    position: fixed;
    inset: 0;
    background: var(--clr-bg-deep);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease-out;
}
.intro-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.logo-reveal-text {
    font-family: var(--font-en-head);
    font-size: 3rem;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px var(--clr-secondary);
    letter-spacing: 4px;
    opacity: 0;
    transform: scale(0.9);
    animation: revealLogo 1s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes revealLogo {
    0% { opacity: 0; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.05); color: transparent; }
    100% { opacity: 1; transform: scale(1); color: var(--clr-text-main); -webkit-text-stroke: 0px; text-shadow: 0 0 20px var(--clr-primary-glow); }
}

.logo-reveal-img {
    width: 150px;
    height: auto;
    opacity: 0;
    transform: scale(0.9);
    animation: revealLogoImg 1s forwards cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 0 20px rgba(176, 181, 186, 0.3));
}

@keyframes revealLogoImg {
    0% { opacity: 0; transform: scale(0.8) translateY(20px); filter: blur(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
}

/* Animated Title (Modern Typography / Reveal) */
.animated-title {
    font-family: 'Alexandria', var(--font-heading);
    font-weight: 900;
    line-height: 1.4;
    word-spacing: 4px;
    display: inline-block;
    position: relative;
    
    /* Contrast gradient across the whole sentence */
    background: linear-gradient(
        -45deg, 
        var(--clr-text-main) 0%, 
        var(--clr-primary) 25%, 
        #00d4ff 50%, 
        var(--clr-secondary) 75%, 
        var(--clr-text-main) 100%
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    
    /* Awesome animations */
    animation: textShimmer 6s ease-in-out infinite, titlePulse 4s ease-in-out infinite;
}

@keyframes textShimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes titlePulse {
    0% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(74, 131, 212, 0)); }
    50% { transform: scale(1.03); filter: drop-shadow(0 0 35px rgba(0, 212, 255, 0.5)); }
    100% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(74, 131, 212, 0)); }
}

.text-primary-glow {
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary), #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShine 3s linear infinite;
    display: inline-block;
}

@keyframes gradientShine {
    to { background-position: 200% center; }
}

.animated-title::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 10%;
    height: 80%;
    width: 3px;
    background-color: var(--clr-primary);
    animation: blink 1s infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Hero Visual & 3D Logo */
.hero-visual {
    perspective: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.hero-3d-logo {
    max-width: 600px; /* Made significantly larger */
    width: 100%;
    animation: floatAndRotate 8s ease-in-out infinite;
    filter: drop-shadow(0 20px 30px rgba(35, 64, 113, 0.4));
    transform-style: preserve-3d;
    will-change: transform, filter;
}

@keyframes floatAndRotate {
    0% { 
        transform: translateY(0) rotateX(8deg) rotateY(-8deg) scale(1); 
        filter: drop-shadow(0 20px 30px rgba(35, 64, 113, 0.4));
    }
    25% {
        transform: translateY(-15px) rotateX(0deg) rotateY(5deg) scale(1.02);
        filter: drop-shadow(-15px 30px 40px rgba(74, 131, 212, 0.4));
    }
    50% { 
        transform: translateY(-30px) rotateX(-10deg) rotateY(15deg) scale(1.05); 
        filter: drop-shadow(0 50px 60px rgba(35, 64, 113, 0.8)); 
    }
    75% {
        transform: translateY(-15px) rotateX(2deg) rotateY(5deg) scale(1.02);
        filter: drop-shadow(15px 30px 40px rgba(74, 131, 212, 0.4));
    }
    100% { 
        transform: translateY(0) rotateX(8deg) rotateY(-8deg) scale(1); 
        filter: drop-shadow(0 20px 30px rgba(35, 64, 113, 0.4));
    }
}

/* WhatsApp Button */
.btn-wa {
    color: #25D366;
    border-color: #25D366;
}
.btn-wa:hover {
    background-color: rgba(37, 211, 102, 0.1);
    box-shadow: 0 0 15px rgba(37, 211, 102, 0.4);
    color: #25D366;
    border-color: #25D366;
}
/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1000;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--clr-text-main);
    border-radius: 2px;
    transition: var(--transition-fast);
    transform-origin: center;
}

/* Mobile Responsiveness for Navbar & Globals */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hamburger active state */
    .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* Hide desktop nav links & actions by default, move to off-canvas */
    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--clr-bg-deep);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: var(--space-4);
        padding-inline: var(--space-4);
        transition: right var(--transition-slow);
        z-index: 99;
        overflow-y: auto;
    }
    
    .nav-actions {
        position: fixed;
        bottom: 0;
        right: -100%;
        width: 100%;
        padding: var(--space-4);
        background: var(--clr-surface);
        border-top: 1px solid var(--clr-surface-border);
        flex-direction: column;
        gap: var(--space-2);
        transition: right var(--transition-slow);
        z-index: 100;
    }

    /* Menu Link Styling for Mobile */
    .nav-link {
        font-size: 1.25rem;
        width: 100%;
        padding-block: var(--space-2);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-actions .btn {
        width: 100%;
    }

    /* Active States */
    body.nav-active {
        overflow: hidden;
    }
    
    body.nav-active .main-header {
        background: var(--clr-bg-deep) !important;
        border-bottom: 1px solid var(--clr-surface-border);
    }
    
    body.nav-active .nav-links,
    body.nav-active .nav-actions {
        right: 0;
    }

    /* Typography Overrides */
    h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }
    .animated-title {
        word-break: break-word;
        white-space: normal;
    }
}