/* --- Industrial Animation Principles --- */
:root {
    /* Slow, confident, mechanical easing (Ease-out Cubicish) */
    --ease-mechanical: cubic-bezier(0.215, 0.61, 0.355, 1);
    --ease-precision: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Scroll Reveal Utility */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-mechanical), transform 1s var(--ease-mechanical);
    will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for grids */
.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

/* Custom Utilities */
.glass-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.hero-gradient {
    background: linear-gradient(90deg, #0f172a 0%, rgba(15, 23, 42, 0.9) 50%, rgba(15, 23, 42, 0.5) 100%);
}

.clip-diagonal {
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

/* Technical Overlay for Hero */
.technical-overlay {
    background-image:
        linear-gradient(rgba(93, 185, 166, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(93, 185, 166, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.technical-crosshair {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(93, 185, 166, 0.2);
    z-index: 2;
}

.technical-crosshair::after,
.technical-crosshair::before {
    content: '';
    position: absolute;
    background: rgba(93, 185, 166, 0.3);
}

.technical-crosshair::after {
    top: 50%;
    left: -5px;
    right: -5px;
    height: 1px;
}

.technical-crosshair::before {
    left: 50%;
    top: -5px;
    bottom: -5px;
    width: 1px;
}

/* --- Mechanical Button Styles --- */
.btn-mechanical {
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-precision);
    z-index: 1;
}

.btn-mechanical::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: width 0.4s var(--ease-precision);
    z-index: -1;
}

.btn-mechanical:hover::before {
    width: 100%;
}

.btn-mechanical:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* High Contrast CTA (Updated to Logo Teal with White Text for Better Readability) */
.btn-safety {
    background-color: #00838F;
    /* Logo Teal */
    color: #FFFFFF;
    /* White Text for Maximum Contrast */
    font-weight: 800;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 0 #00596D;
    /* Darker Shadow */
    transition: all 0.2s;
}

.btn-safety:hover {
    background-color: #00696D;
    /* Darker Teal on Hover */
    box-shadow: 0 4px 0 #004150;
}

.btn-safety:active {
    box-shadow: 0 0 0 #00596D;
    transform: translateY(4px);
}

/* --- Icon & Card Animations --- */
.card-hover-effect {
    transition: transform 0.5s var(--ease-mechanical), box-shadow 0.5s var(--ease-mechanical), border-color 0.3s ease;
}

.card-hover-effect:hover {
    transform: translateY(-3px);
    /* Reduced movement for subtlety */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    /* Softer, more premium shadow */
    border-color: #5DB9A6;
}

/* Precision Rotation for Icons (Updated to Micro-Interaction) */
.icon-precision {
    transition: transform 0.4s var(--ease-precision), color 0.3s ease;
    transform-origin: center center;
}

.group:hover .icon-precision {
    transform: scale(1.1) rotate(3deg);
    /* Very subtle zoom and tiny mechanical tilt */
    color: #4FAF9A;
    /* Slight color deepening */
}

/* Line Draw-in Effect */
.line-draw {
    position: relative;
}

.line-draw::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #5DB9A6;
    transition: width 0.6s var(--ease-mechanical);
}

.group:hover .line-draw::after {
    width: 100%;
}

/* Smooth inputs */
input,
select,
textarea {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #5DB9A6;
    box-shadow: 0 0 0 4px rgba(93, 185, 166, 0.1);
}

/* Active Link Styling */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #5DB9A6;
    transition: width 0.3s var(--ease-precision);
}

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

.nav-link.active {
    color: #5DB9A6;
}

/* Smooth Hover Card Effect (replacing 3D tilt) */
.tilt-card {
    transition: transform 0.4s var(--ease-mechanical), box-shadow 0.4s var(--ease-mechanical);
    will-change: transform, box-shadow;
}

.hidden-page {
    display: none;
}

/* Toast Notification System */
.toast-container {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    width: 90%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background-color: #0B1120;
    /* Brand Dark */
    color: #ffffff;
    /* White text */
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    /* Stronger shadow */
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 600;
    min-width: 320px;
    border-left: 4px solid #00838F;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    /* Subtle top highlight */
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05), transparent);
    /* Subtle glass feel */
    opacity: 0;
    transform: translateY(-20px) translateX(-50%) !important;
    /* Start slightly higher */
    transition: all 0.4s var(--ease-mechanical);
}

.toast.show {
    opacity: 1;
    transform: translateY(0) translateX(-50%) !important;
}

/* Success Toast */
.toast.success {
    border-left-color: #00838F;
    /* Brand Mint */
}

.toast.success i {
    color: #4FAF9A;
    /* Lighter Mint for visibility on dark */
    filter: drop-shadow(0 0 5px rgba(79, 175, 154, 0.4));
    /* Glow effect */
}

/* Error Toast */
.toast.error {
    border-left-color: #ef4444;
    /* Red */
}

/* Simple Clean Card Style */
.card-neumorphic {
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.4s var(--ease-mechanical), box-shadow 0.4s var(--ease-mechanical);
    will-change: transform, box-shadow;
}

/* Hover state */
.card-neumorphic:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.toast.error i {
    color: #ef4444;
    filter: drop-shadow(0 0 5px rgba(239, 68, 68, 0.4));
    /* Glow effect */
}

/* Toast Icon */
.toast i {
    font-size: 20px;
}