/* =========================================
   DESIGN VARIABLES & TOKENS
   ========================================= */
:root {
    /* ── KBI Logo Colors ─────────────────── */
    --color-navy: #1F4880;
    /* Primary navy blue (from logo K & B) */
    --color-navy-dark: #163460;
    /* Deeper navy for hover/gradients */
    --color-navy-light: #2A5FA8;
    /* Lighter navy for accents */
    --color-orange: #E87520;
    /* Orange accent (from logo "I") */
    --color-orange-hover: #F08B3A;
    /* Lighter orange hover */
    --color-orange-light: #FDE8D0;
    /* Pale orange tint for bg */

    /* ── Backgrounds ─────────────────────── */
    --color-bg-main: #F8FAFD;
    /* Cool off-white with blue undertone */
    --color-bg-secondary: #EEF3F9;
    /* Light navy-tinted section bg */
    --color-bg-card: #FFFFFF;
    /* Pure white card */

    /* ── Text ────────────────────────────── */
    --color-text-dark: #0D2137;
    /* Deep navy-black for headings */
    --color-text-body: #263B52;
    /* Navy-dark body text */
    --color-text-muted: #5A748F;
    /* Muted navy-grey */

    /* ── Borders & Accents ───────────────── */
    --color-accent: #AABFD8;
    /* Navy-tinted border */
    --color-accent-light: #D6E4F0;
    /* Lighter navy border */
    --color-shadow: rgba(31, 72, 128, 0.12);
    /* Navy-tinted shadow */

    /* ── Semantic aliases ────────────────── */
    --color-primary: var(--color-navy);
    --color-primary-hover: var(--color-navy-dark);
    --color-primary-light: var(--color-orange-light);
    --color-highlight: var(--color-orange);

    /* ── Typography ──────────────────────── */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* ── Transitions ─────────────────────── */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-main);
    color: var(--color-text-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-dark);
    font-weight: 600;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

.bg-alt {
    background-color: var(--color-bg-secondary);
}

.text-center {
    text-align: center;
}

/* =========================================
   TYPOGRAPHY UTILITIES
   ========================================= */
.highlight {
    color: var(--color-orange);
}

.section-subtitle {
    color: var(--color-orange);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-header p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

/* =========================================
   ANIMATIONS UTILS
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    background: transparent;
    border-radius: 4px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: #FFFFFF;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-navy-light) 0%, var(--color-navy) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--color-shadow);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

/* Nav Contact Us button: white border when on dark hero */
.navbar:not(.scrolled) .btn-outline {
    border-color: rgba(255, 255, 255, 0.7);
    color: #FFFFFF;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(248, 250, 253, 0.97);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-accent-light);
    box-shadow: 0 4px 20px rgba(31, 72, 128, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    display: block;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.logo-img:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* When scrolled — keep same img, no change needed */
.navbar.scrolled .logo-img {
    /* optional: slight shadow on white bg for depth */
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.15));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn) {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    color: rgba(255, 255, 255, 0.9);
    /* White on dark hero */
}

.navbar.scrolled .nav-links a:not(.btn) {
    color: var(--color-text-body);
}

/* Mobile menu open: force dark text/borders regardless of scroll state */
.nav-links.active a:not(.btn) {
    color: var(--color-text-body) !important;
}

.nav-links.active .btn-outline {
    border-color: var(--color-navy) !important;
    color: var(--color-navy) !important;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-medium);
}

.nav-links a:not(.btn):hover {
    color: var(--color-primary);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    font-size: 1.4rem;
    color: #FFFFFF;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.12);
}

.hamburger i {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
    display: block;
}

.hamburger.open i {
    transform: rotate(180deg);
}

.navbar.scrolled .hamburger {
    color: var(--color-text-dark);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: #07152B;
    /* fallback if video fails */
    overflow: hidden;
}

/* Full-cover video background */
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    pointer-events: none;
    filter: brightness(0.7) saturate(0.85);
}

/* Subtle dot grid only when no video (hidden behind video) */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(31, 72, 128, 0.18) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 1;
}

/* Orange radial accent glow — top right */
.hero::after {
    content: '';
    position: absolute;
    right: -5%;
    top: 30%;
    width: 50%;
    height: 70%;
    background: radial-gradient(ellipse at center, rgba(232, 117, 32, 0.08) 0%, transparent 65%);
    pointer-events: none;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    /* Heavier dark overlay so text is clearly readable over video */
    background: linear-gradient(105deg,
            rgba(7, 21, 43, 0.82) 0%,
            rgba(7, 21, 43, 0.60) 55%,
            rgba(7, 21, 43, 0.35) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    /* above video, overlay, and pseudo-elements */
    max-width: 820px;
}

.hero-content h1 {
    font-size: 3.6rem;
    margin-bottom: 1.2rem;
    color: #FFFFFF;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    line-height: 1.15;
}

.hero-content .hero-subtext {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.2rem;
    max-width: 640px;
    line-height: 1.7;
}

.hero-content .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: rgba(232, 117, 32, 0.15);
    border: 1px solid rgba(232, 117, 32, 0.5);
    border-radius: 50px;
    color: #F8A55C;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
}

.hero-badge i {
    font-size: 0.8rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-accent);
}

.stat-item i {
    font-size: 1.6rem;
    margin-bottom: 0.6rem;
}

.stat-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.stat-item p {
    margin-bottom: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.image-wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.image-wrapper img {
    border-radius: 8px;
    transition: transform 0.8s ease;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border: 3px solid var(--color-primary);
    border-radius: 8px;
    z-index: -1;
}

/* =========================================
   PRODUCTS SECTION
   ========================================= */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(31, 72, 128, 0.06);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 4px 15px rgba(31, 72, 128, 0.04);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(31, 72, 128, 0.12);
    box-shadow: 0 20px 40px rgba(31, 72, 128, 0.12);
}

.product-img {
    height: 260px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafd 0%, #edf2f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.6s ease;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.08));
}

.product-card:hover .product-img img {
    transform: scale(1.08) translateY(-4px);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(31, 72, 128, 0.85);
    /* Changed back to nice navy */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-medium);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    padding: 1.8rem;
    text-align: left;
}

.product-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.6rem;
    transition: color 0.3s ease;
}

.product-card:hover .product-info h3 {
    color: var(--color-orange);
}

.product-info p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* =========================================
   QUALITY SECTION
   ========================================= */
.quality-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.quality-badge {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-orange) 0%, #C85F10 100%);
    color: #FFFFFF;
    padding: 1rem 1.5rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    box-shadow: 0 8px 24px rgba(232, 117, 32, 0.35);
}

.quality-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.feature-list {
    margin-top: 2rem;
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.05rem;
}

.feature-list i {
    font-size: 1.2rem;
    width: 30px;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent-light);
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(31, 72, 128, 0.08);
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.icon-box {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(31, 72, 128, 0.1);
    border: 1px solid rgba(31, 72, 128, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-navy);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-item h4 {
    margin-bottom: 0.3rem;
    color: var(--color-text-dark);
}

.info-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-bg-main);
    border: 1px solid var(--color-accent-light);
    border-radius: 6px;
    color: var(--color-text-dark);
    font-family: var(--font-body);
    transition: var(--transition-medium);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-navy);
    box-shadow: 0 0 0 3px rgba(31, 72, 128, 0.12);
}

/* Form status feedback */
.form-status {
    margin-top: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 4px;
    font-size: 0.95rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #4ade80;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}


/* =========================================
   FOOTER
   ========================================= */
.footer {
    padding: 2.5rem 0;
    border-top: 2px solid var(--color-navy-dark);
    background: linear-gradient(135deg, #07152B 0%, #0D2137 100%);
}

.footer-bottom p {
    color: rgba(170, 191, 216, 0.85);
    font-size: 0.9rem;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 992px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(248, 250, 253, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.2rem;
        text-align: center;
        border-bottom: 2px solid var(--color-accent-light);
        box-shadow: 0 8px 24px rgba(31, 72, 128, 0.12);
    }

    .nav-links.active {
        display: flex;
        animation: menuSlideDown 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }

    @keyframes menuSlideDown {
        from {
            opacity: 0;
            transform: translateY(-12px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .about-container,
    .quality-container,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .quality-container {
        display: flex;
        flex-direction: column-reverse;
    }

    .section-padding {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* =========================================
   MOBILE — 480px and below
   ========================================= */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 0;
    }

    .hero {
        min-height: 100svh;
        padding: 7rem 0 4rem;
        /* More top padding for navbar clearance */
        align-items: center;
        /* Center content vertically instead of bottom-aligning it */
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.25;
        margin-bottom: 1.2rem;
    }

    .hero-content .hero-subtext {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .hero-badges {
        gap: 0.5rem;
        margin-bottom: 2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1.5rem;
    }

    .section-padding {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1.25rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-subtitle {
        font-size: 0.78rem;
    }

    .section-header p {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    /* About */
    .about-text p {
        font-size: 0.95rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
        margin-top: 2rem;
    }

    .stat-item h3 {
        font-size: 1.4rem;
    }

    .image-wrapper img {
        border-radius: 6px;
        max-height: 220px;
        object-fit: cover;
        width: 100%;
    }

    .image-accent {
        display: none;
    }

    /* Products */
    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .product-img {
        height: 150px;
    }

    .product-info {
        padding: 0.9rem;
    }

    .product-info h3 {
        font-size: 0.9rem;
    }

    .product-info p {
        font-size: 0.8rem;
    }

    /* Quality */
    .quality-badge {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
        right: 10px;
        bottom: -12px;
    }

    .feature-list li {
        font-size: 0.95rem;
    }

    /* Contact */
    .contact-wrapper {
        padding: 1.5rem;
        gap: 2rem;
    }

    .info-item {
        gap: 1rem;
        margin-bottom: 1.25rem;
    }

    .icon-box {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }

}

@media (max-width: 420px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }
}

/* =========================================
   SEARCH BAR
   ========================================= */
.search-container {
    padding: 1rem 0 3rem 0;
    margin-bottom: 1rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: #ffffff;
    border-radius: 50px;
    box-shadow: 0 6px 25px rgba(31, 72, 128, 0.08);
    padding: 6px 6px 6px 25px;
    border: 1px solid rgba(31, 72, 128, 0.1);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    max-width: 600px;
    margin: 0 auto;
}

.search-box:focus-within {
    box-shadow: 0 10px 35px rgba(232, 117, 32, 0.15);
    border-color: rgba(232, 117, 32, 0.4);
    transform: translateY(-2px);
}

.search-icon {
    color: var(--color-navy-light);
    font-size: 1.2rem;
    margin-right: 15px;
    opacity: 0.6;
}

.search-box input {
    border: none;
    outline: none;
    width: 100%;
    padding: 12px 0;
    font-size: 1.05rem;
    color: var(--color-text);
    background: transparent;
    font-family: inherit;
}

.search-box input::placeholder {
    color: #9cb0c9;
}

.search-box .btn {
    border-radius: 50px;
    padding: 12px 28px;
    white-space: nowrap;
    margin-left: 10px;
    flex-shrink: 0;
}

/* Make sure mobile views layout the search button neatly */
@media (max-width: 500px) {
    .search-box {
        flex-direction: column;
        border-radius: 16px;
        padding: 15px;
    }

    .search-box .btn {
        margin-left: 0;
        margin-top: 15px;
        width: 100%;
    }

    .search-icon {
        display: none;
    }

    .search-box input {
        text-align: center;
        padding: 5px 0;
    }
}

/* =========================================
   PRELOADER
   ========================================= */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #07152B;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease-in-out, visibility 0.6s ease-in-out;
}

.loader-logo {
    width: 140px;
    height: 140px;
    object-fit: contain;
    border-radius: 50%;
    animation: pulse 2s infinite ease-in-out;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    background-color: #ffffff;
    padding: 15px;
}

.loader-spinner {
    width: 200px;
    height: 200px;
    border: 3px solid rgba(232, 117, 32, 0.1);
    border-top: 3px solid var(--color-orange);
    border-right: 3px solid var(--color-orange);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    position: absolute;
    z-index: 1;
}

.loader-spinner::before {
    content: '';
    position: absolute;
    top: -15px; left: -15px; right: -15px; bottom: -15px;
    border: 2px solid rgba(232, 117, 32, 0.05);
    border-bottom: 2px solid var(--color-orange);
    border-left: 2px solid var(--color-orange);
    border-radius: 50%;
    animation: spin 2.5s linear infinite reverse;
}

#preloader.preloader-hidden {
    opacity: 0;
    visibility: hidden;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}