/* ==========================================
   AKBARI CHEMICAL INDUSTRIES - SCIENTIFIC LUXURY STYLESHEET
   Palette: Obsidian (#0D0D0D), Graphite (#1C1C1C), Charcoal (#292725),
   Copper (#B87333), Burnt Orange (#D66A2C), Amber (#E09B3D), Ivory (#F5F1E8)
   ========================================== */

:root {
    --obsidian: #0D0D0D;
    --graphite: #1C1C1C;
    --charcoal: #292725;
    --copper: #B87333;
    --burnt-orange: #D66A2C;
    --amber: #E09B3D;
    --ivory: #F5F1E8;
    --warm-white: #FCFAF5;
    --soft-gray: #D9D5CD;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--ivory);
    color: var(--charcoal);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--obsidian);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Development Device Preview Toolbar */
.device-toolbar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--obsidian);
    color: var(--warm-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 9999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    font-size: 0.8rem;
    border: 1px solid rgba(184, 115, 51, 0.4);
}

.device-toolbar button {
    background: transparent;
    border: none;
    color: var(--soft-gray);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

.device-toolbar button:hover,
.device-toolbar button.active {
    background: var(--copper);
    color: var(--warm-white);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Space Grotesk', sans-serif;
}

.btn-copper {
    background: linear-gradient(135deg, var(--copper), var(--burnt-orange));
    color: var(--warm-white);
    box-shadow: 0 4px 15px rgba(184, 115, 51, 0.3);
}

.btn-copper:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 115, 51, 0.5);
    background: linear-gradient(135deg, var(--burnt-orange), var(--amber));
}

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

.btn-outline:hover {
    background: var(--copper);
    color: var(--obsidian);
}

.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.9rem; }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.1rem; }
.btn-block { width: 100%; }

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.2rem 0;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
}

header.scrolled {
    background: var(--obsidian);
    padding: 0.8rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    border-bottom: 1px solid rgba(184, 115, 51, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--copper), var(--amber));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--obsidian);
    font-size: 1.3rem;
}

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

.logo-text span {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--warm-white);
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.logo-text small {
    font-size: 0.65rem;
    color: var(--copper);
    letter-spacing: 1.5px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--warm-white);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--copper);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--warm-white);
    transition: var(--transition);
    border-radius: 2px;
}

/* Mobile Slide-out Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--obsidian);
    z-index: 1005;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: -10px 0 30px rgba(0,0,0,0.6);
    border-left: 1px solid rgba(184, 115, 51, 0.3);
}

.mobile-menu-overlay.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
}

.mobile-menu-title {
    color: var(--copper);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
}

.mobile-close {
    color: var(--warm-white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mobile-nav-links a {
    color: var(--warm-white);
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    color: var(--copper);
    padding-left: 5px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--obsidian);
    display: flex;
    align-items: center;
    padding-top: 8rem;
    padding-bottom: 4rem;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(184, 115, 51, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.molecular-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(184, 115, 51, 0.25);
    border: 1px solid rgba(224, 155, 61, 0.4);
    border-radius: 50%;
    animation: floatParticle 15s infinite linear;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    20% { opacity: 0.8; }
    80% { opacity: 0.8; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(184, 115, 51, 0.15);
    border: 1px solid rgba(184, 115, 51, 0.35);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    color: var(--copper);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(5px);
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--warm-white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--copper), var(--amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--soft-gray);
    margin-bottom: 2.5rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

/* Statistics Bar */
.hero-stats-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(28, 28, 28, 0.75);
    border: 1px solid rgba(184, 115, 51, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 1.5rem 2.5rem;
    max-width: 750px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 0 1.5rem;
}

.stat-item h3 {
    font-size: 2.2rem;
    color: var(--warm-white);
    display: inline-block;
}

.stat-item span {
    font-size: 2rem;
    color: var(--copper);
    font-weight: 700;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--soft-gray);
    margin: 0;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Sections General */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--copper);
    background: rgba(184, 115, 51, 0.1);
    padding: 0.35rem 1rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: #595550;
    font-size: 1.05rem;
}

/* About Us Styles */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-vision-boxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.mv-box {
    background: var(--warm-white);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid var(--copper);
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    border-top: 1px solid rgba(184, 115, 51, 0.15);
}

.mv-box i {
    font-size: 1.5rem;
    color: var(--copper);
    margin-bottom: 0.75rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--copper);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    position: absolute;
    left: -2.55rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--copper);
    border: 3px solid var(--ivory);
    border-radius: 50%;
}

/* Product Catalog */
.product-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: var(--warm-white);
    border: 1px solid var(--soft-gray);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--copper);
    color: var(--warm-white);
    border-color: var(--copper);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--warm-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    transition: var(--transition);
    border: 1px solid rgba(184, 115, 51, 0.25);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(184, 115, 51, 0.15);
    border-color: var(--copper);
}

.product-img-wrap {
    background: linear-gradient(135deg, var(--obsidian), var(--charcoal));
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--copper);
    font-size: 3.5rem;
}

.badge-cat {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    color: var(--warm-white);
    padding: 0.25rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-body h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.product-body p {
    color: #595550;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-btns {
    display: flex;
    gap: 1rem;
}

/* Industries Grid */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: var(--warm-white);
    padding: 2.5rem;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid var(--soft-gray);
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.industry-card:hover {
    border-color: var(--copper);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(184, 115, 51, 0.1);
}

.ind-icon {
    width: 60px;
    height: 60px;
    background: rgba(184, 115, 51, 0.1);
    color: var(--copper);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

/* Leadership Grid */
.leader-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.leader-card {
    background: var(--warm-white);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid var(--soft-gray);
    transition: var(--transition);
}

.leader-card.ceo-card {
    border-top: 4px solid var(--copper);
}

.leader-card:hover {
    transform: translateY(-5px);
    border-color: var(--copper);
}

.leader-avatar {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--obsidian), var(--charcoal));
    color: var(--copper);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    border: 2px solid rgba(184, 115, 51, 0.4);
}

.leader-role {
    display: inline-block;
    color: var(--copper);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

/* Contact & Forms */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info-box {
    background: var(--obsidian);
    color: var(--warm-white);
    padding: 3rem;
    border-radius: 8px;
    border-left: 4px solid var(--copper);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.contact-list li {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.contact-list i {
    color: var(--copper);
    font-size: 1.2rem;
}

.contact-form-box {
    background: var(--warm-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid rgba(184, 115, 51, 0.2);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--soft-gray);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    background: #FFFFFF;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--copper);
    box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-alert {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: none;
}

.form-alert.success {
    background: rgba(184, 115, 51, 0.15);
    color: var(--copper);
    border: 1px solid var(--copper);
    display: block;
}

/* Footer */
.footer {
    background: var(--obsidian);
    color: var(--soft-gray);
    padding: 5rem 0 0;
    border-top: 1px solid rgba(184, 115, 51, 0.3);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1fr;
    gap: 3rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    color: var(--warm-white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col ul li a:hover {
    color: var(--copper);
}

.footer-bottom {
    padding: 1.5rem 0;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--warm-white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--copper);
    color: var(--obsidian);
}

/* Responsive Overrides for Device Preview Modes */
body.device-desktop { max-width: 1440px; margin: 0 auto; box-shadow: 0 0 50px rgba(0,0,0,0.5); }
body.device-laptop { max-width: 1280px; margin: 0 auto; box-shadow: 0 0 50px rgba(0,0,0,0.5); }
body.device-tablet { max-width: 768px; margin: 0 auto; box-shadow: 0 0 50px rgba(0,0,0,0.5); }
body.device-mobile { max-width: 390px; margin: 0 auto; box-shadow: 0 0 50px rgba(0,0,0,0.5); }
body.device-small-mobile { max-width: 320px; margin: 0 auto; box-shadow: 0 0 50px rgba(0,0,0,0.5); font-size: 14px; }

@media (max-width: 1024px) {
    .about-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
    .navbar { display: none; }
    .hamburger { display: flex; z-index: 1002; }
    .hero h1 { font-size: 2.3rem; }
    .hero-stats-bar { flex-direction: column; gap: 1rem; }
    .stat-divider { width: 100%; height: 1px; }
    .form-row { grid-template-columns: 1fr; }
}