/* ==========================================================================
   AKBARI ENGINEERING - Global Styling & Design System
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary-blue: #0056b3;
    --primary-blue-dark: #003d82;
    --primary-blue-light: #e6f0fa;
    --primary-blue-rgb: 0, 86, 179;

    /* Expanded Blue Theme Accent Colors */
    --primary-blue-deep: #071e3d;
    --primary-blue-royal: #0f4c81;
    --primary-blue-slate: #1f4068;
    --gradient-blue: linear-gradient(135deg, #071e3d 0%, #0056b3 100%);

    --silver: #dee2e6;
    --silver-light: #f8f9fa;
    --silver-dark: #ced4da;

    --gray-text: #495057;
    --gray-dark: #212529;
    --gray-light: #6c757d;
    --gray-bg: #f1f3f5;

    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 86, 179, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --max-width: 1200px;
}

/* Base Settings */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gray-dark);
    line-height: 1.25;
}

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

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

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

.text-primary {
    color: var(--primary-blue);
}

.bg-light {
    background-color: var(--silver-light);
}

.bg-blue-light {
    background-color: var(--primary-blue-light);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Grid System */
.grid {
    display: grid;
    gap: 30px;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section-padding {
        padding: 50px 0;
    }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

header.sticky {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

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

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary-blue);
    line-height: 1.1;
}

.logo-text span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-light);
    font-weight: 600;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    color: var(--gray-text);
}

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

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

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

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 5px 0;
    transition: var(--transition);
}

@media (max-width: 992px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 35px;
        transition: 0.4s ease-in-out;
    }

    .nav-menu.open {
        right: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 85vh;
    padding-top: 120px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--white) 30%, var(--primary-blue-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 86, 179, 0.05) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    z-index: 1;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-dark);
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-content h2 span {
    background: linear-gradient(to right, var(--primary-blue), #007bff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--gray-light);
    margin-bottom: 35px;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--silver-light);
    border: 4px solid var(--white);
    aspect-ratio: 4/3;
}

@media (max-width: 768px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-content p {
        margin: 0 auto 30px auto;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue-light);
    transform: translateY(-2px);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    background-color: var(--silver-light);
    transform: translateY(-2px);
}

/* ==========================================================================
   Modern Placeholders & Skeletons
   ========================================================================== */
.img-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    background: linear-gradient(110deg, #eceff1 8%, #f5f7f8 18%, #eceff1 33%);
    background-size: 200% 100%;
    animation: shine 1.6s linear infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    padding: 20px;
    text-align: center;
    gap: 10px;
    border-radius: inherit;
    font-size: 0.9rem;
    border: 1px dashed var(--silver-dark);
}

.img-placeholder svg {
    width: 40px;
    height: 40px;
    fill: none;
    stroke: var(--gray-light);
    stroke-width: 1.5;
    margin-bottom: 5px;
    opacity: 0.7;
}

@keyframes shine {
    to {
        background-position-x: -200%;
    }
}

/* ==========================================================================
   Cards & Content Blocks
   ========================================================================== */
.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3.5px;
    background-color: var(--primary-blue);
    border-radius: var(--radius-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto 50px auto;
    font-size: 1.05rem;
}

.card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--silver-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--silver);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-blue);
    opacity: 0;
    transition: var(--transition);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.card-text {
    color: var(--gray-text);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Feature Lists */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--gray-text);
}

.feature-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 2px;
}

/* ==========================================================================
   Product Detail Elements (Structure & Specifications)
   ========================================================================== */
.sheet-structure {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
    background-color: var(--silver-light);
    padding: 40px;
    border-radius: var(--radius-md);
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .sheet-structure {
        grid-template-columns: 1fr;
        padding: 25px;
    }
}

.layer-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.layer-item {
    background-color: var(--white);
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    border-left: 5px solid var(--primary-blue);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.layer-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.layer-name {
    font-weight: 600;
    font-family: var(--font-heading);
}

.layer-desc {
    font-size: 0.85rem;
    color: var(--gray-light);
}

/* Product Specifications Table */
.spec-table-container {
    overflow-x: auto;
    margin: 30px 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--silver);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--white);
    font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--silver-light);
}

.spec-table th {
    background-color: var(--primary-blue);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 600;
}

.spec-table tr:last-child td {
    border-bottom: none;
}

.spec-table tr:nth-child(even) {
    background-color: var(--silver-light);
}

/* ==========================================================================
   Certificates Page (Bureau Veritas / SGS Detail / Logos Slider)
   ========================================================================== */
.cert-card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--silver-light);
    align-items: center;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .cert-card {
        grid-template-columns: 1fr;
        padding: 25px;
    }
}

.cert-badge {
    background-color: var(--primary-blue-light);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 15px;
    text-transform: uppercase;
}

/* Certificates Logo Slider */
.slider-container {
    background-color: var(--silver-light);
    padding: 40px 0;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-md);
    margin-top: 50px;
}

.slider-container::before,
.slider-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.slider-container::before {
    left: 0;
    background: linear-gradient(to right, var(--silver-light), transparent);
}

.slider-container::after {
    right: 0;
    background: linear-gradient(to left, var(--silver-light), transparent);
}

.logo-slider {
    display: flex;
    width: max-content;
    gap: 50px;
    animation: scroll 25s linear infinite;
}

.slider-item {
    background-color: var(--white);
    padding: 15px 30px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    width: 180px;
    font-weight: 700;
    color: var(--gray-light);
    border: 1px solid var(--silver-light);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================================================
   Contact Page (Form & Recommendations Text)
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
}

.info-icon {
    font-size: 1.5rem;
    color: var(--primary-blue);
    background-color: var(--primary-blue-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-content p,
.info-content a {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--silver-light);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-dark);
}

.form-control {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid var(--silver-dark);
    background-color: var(--white);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Recommendation block styling */
.recommendations-box {
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, #f0f6fc 100%);
    border-radius: var(--radius-md);
    padding: 30px;
    border-left: 5px solid var(--primary-blue);
    margin-bottom: 30px;
}

.recommendations-box h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

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

.rec-item {
    background-color: var(--white);
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.rec-item::before {
    content: '✓';
    color: var(--primary-blue);
    font-weight: bold;
}

/* Form success alert modal */
.modal-alert {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #28a745;
    color: var(--white);
    padding: 15px 30px;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    font-weight: 600;
    z-index: 1100;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-alert.show {
    top: 30px;
}

/* ==========================================================================
   Footer & Social Connections
   ========================================================================== */
footer {
    background-color: var(--gray-dark);
    color: var(--white);
    padding: 70px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.footer-col h3 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: var(--radius-sm);
}

.footer-col p {
    color: #a0aec0;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: #a0aec0;
    font-size: 0.9rem;
}

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

.footer-contacts li {
    margin-bottom: 15px;
    display: flex;
    gap: 12px;
    font-size: 0.9rem;
    color: #a0aec0;
}

.footer-contacts i {
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background-color: #2d3748;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-btn:hover {
    background-color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #2d3748;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    color: #718096;
    font-size: 0.85rem;
}

/* Float Social Bar (WhatsApp, Facebook, Insta, LinkedIn) */
.social-float {
    position: fixed;
    right: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    font-size: 1.5rem;
    transition: var(--transition);
    animation: bounceSlow 3s infinite ease-in-out;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

.float-whatsapp {
    background-color: #25d366;
}

.float-insta {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%);
}

.float-facebook {
    background-color: #1877f2;
}

.float-btn:nth-child(2) {
    animation-delay: 0.5s;
}

.float-btn:nth-child(3) {
    animation-delay: 1s;
}

@keyframes bounceSlow {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* ==========================================================================
   Page Inner Hero Section
   ========================================================================== */
.inner-hero {
    background: linear-gradient(135deg, var(--gray-dark) 0%, #343a40 100%);
    color: var(--white);
    padding: 130px 0 60px 0;
    position: relative;
}

.inner-hero h1 {
    color: var(--white);
    font-size: 2.75rem;
    margin-bottom: 10px;
}

.breadcrumbs {
    display: flex;
    gap: 8px;
    font-size: 0.9rem;
    color: #a0aec0;
}

.breadcrumbs a:hover {
    color: var(--white);
}

.breadcrumbs span {
    color: #718096;
}

/* ==========================================================================
   Full-Section Hero Slider (Homepage)
   ========================================================================== */
.hero-slider-wrapper {
    position: relative;
    width: 100%;
    height: 90vh;
    min-height: 600px;
    overflow: hidden;
    background-color: var(--primary-blue-deep);
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), visibility 1s;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: scale(1.1);
    transition: transform 6s ease-out;
}

.hero-slide.active .hero-slide-bg {
    transform: scale(1);
}

.hero-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(7, 30, 61, 0.92) 0%, rgba(0, 86, 179, 0.75) 50%, rgba(7, 30, 61, 0.85) 100%);
    z-index: 2;
}

.hero-slide-content {
    position: relative;
    z-index: 3;
    color: var(--white);
    max-width: 750px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.3s, transform 0.8s ease-out 0.3s;
}

.hero-slide.active .hero-slide-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide-content h2 {
    font-size: 3.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 25px;
    line-height: 1.15;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-slide-content h2 span {
    color: #38bdf8;
    /* Vibrant light sky blue */
}

.hero-slide-content p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Hero Controls */
.hero-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.hero-nav-btn:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.hero-prev {
    left: 40px;
}

.hero-next {
    right: 40px;
}

.hero-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot:hover {
    background-color: rgba(255, 255, 255, 0.6);
}

.hero-dot.active {
    background-color: var(--white);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@media (max-width: 992px) {
    .hero-slide-content h2 {
        font-size: 2.8rem;
    }

    .hero-nav-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .hero-prev {
        left: 15px;
    }

    .hero-next {
        right: 15px;
    }
}

@media (max-width: 576px) {
    .hero-slide-content h2 {
        font-size: 2.2rem;
    }

    .hero-slide-content p {
        font-size: 1.05rem;
    }

    .hero-nav-btn {
        display: none;
    }
}

/* ==========================================================================
   Projects Slider (Homepage & Project page)
   ========================================================================== */
.slider-section {
    position: relative;
    padding: 80px 0;
    background-color: var(--silver-light);
    overflow: hidden;
}

.slider-section.blue-bg {
    background: linear-gradient(135deg, #071e3d 0%, #1f4068 100%);
    color: var(--white);
}

.slider-section.blue-bg .section-title {
    color: var(--white);
}

.slider-section.blue-bg .section-title::after {
    background-color: #38bdf8;
}

.slider-section.blue-bg .section-subtitle {
    color: #cbd5e1;
}

.slider-outer-container {
    position: relative;
    width: 100%;
    margin-top: 40px;
    overflow: hidden;
    padding: 0 50px;
}

.projects-slider-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    width: 100%;
}

.projects-slider-card {
    flex: 0 0 calc(33.333% - 20px);
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--silver-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.slider-section.blue-bg .projects-slider-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.projects-slider-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.slider-section.blue-bg .projects-slider-card:hover {
    border-color: #38bdf8;
    background-color: rgba(255, 255, 255, 0.08);
}

.projects-slider-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.slider-section.blue-bg .projects-slider-card h3 {
    color: #38bdf8;
}

.projects-slider-card p {
    font-size: 0.9rem;
    color: var(--gray-text);
    line-height: 1.6;
    margin-bottom: 15px;
}

.slider-section.blue-bg .projects-slider-card p {
    color: #cbd5e1;
}

.projects-control-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--white);
    border: 1px solid var(--silver);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    z-index: 5;
    transition: var(--transition);
}

.slider-section.blue-bg .projects-control-btn {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.projects-control-btn:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.slider-section.blue-bg .projects-control-btn:hover {
    background-color: #38bdf8;
    color: var(--primary-blue-deep);
    border-color: #38bdf8;
}

.projects-prev-btn {
    left: 10px;
}

.projects-next-btn {
    right: 10px;
}

@media (max-width: 992px) {
    .projects-slider-card {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 600px) {
    .projects-slider-card {
        flex: 0 0 100%;
    }

    .projects-control-btn {
        display: none;
    }

    .slider-outer-container {
        padding: 0 10px;
    }
}

/* ==========================================================================
   Premium Color Swatch and Coded Chart
   ========================================================================== */
.color-chart-container {
    padding: 50px 0;
}

.color-chart-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 992px) {
    .color-chart-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .color-chart-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .color-chart-grid {
        grid-template-columns: 1fr;
    }
}

.color-swatch-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 15px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--silver-light);
    text-align: center;
    transition: var(--transition);
}

.color-swatch-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.color-swatch-box-wrap {
    width: 100%;
    aspect-ratio: 16/10;
    border-radius: var(--radius-sm);
    background-color: var(--white);
    padding: 10px;
    border: 1px solid var(--silver-light);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.03);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.color-swatch-box {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1), inset 0 0 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.color-swatch-card:hover .color-swatch-box {
    transform: scale(1.03);
}

.color-swatch-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-top: 10px;
}

.color-swatch-code {
    font-size: 0.85rem;
    color: var(--gray-light);
    margin-top: 2px;
}

/* Metal Spec Table styles inside Color Chart */
.spec-highlights {
    background: var(--primary-blue-light);
    padding: 20px;
    border-radius: var(--radius-md);
    border-left: 5px solid var(--primary-blue);
    margin-bottom: 30px;
}