/* ═══════════════════════════════════════════════════════════ */
/* TUNGSTEN METALS LLC - MAIN STYLESHEET                       */
/* ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────── */
/* CSS VARIABLES / CUSTOM PROPERTIES                           */
/* ─────────────────────────────────────────────────────────── */
:root {
    /* Colors */
    --primary: #FF6B35;
    --primary-dark: #E55A24;
    --primary-light: #FFF0EB;
    --secondary: #FF6B35;
    --secondary-dark: #E55A24;
    --accent: #10B981;
    --accent-dark: #059669;
    --purple: #8B5CF6;
    
    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-dark: #1F2937;
    
    /* Text */
    --text-dark: #1F2937;
    --text-body: #4B5563;
    --text-light: #6B7280;
    --text-muted: #9CA3AF;
    
    /* Borders */
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-heading: 'Poppins', 'Inter', sans-serif;
    --font-body: 'Inter', 'Open Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --section-padding-mobile: 60px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.4s ease;
    
    /* Container */
    --container-max: 1400px;
    --container-padding: 20px;
}

/* ─────────────────────────────────────────────────────────── */
/* RESET & BASE STYLES                                         */
/* ─────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-body);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ─────────────────────────────────────────────────────────── */
/* UTILITY CLASSES                                             */
/* ─────────────────────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    position: relative;
    padding-left: 20px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 2px;
    background-color: var(--primary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ─────────────────────────────────────────────────────────── */
/* BUTTONS                                                     */
/* ─────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

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

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

.btn-white {
    background-color: white;
    color: var(--primary);
    border-color: white;
}

.btn-white:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 1: HEADER / NAVIGATION                              */
/* ═══════════════════════════════════════════════════════════ */

/* Top Info Bar */
.top-bar {
    background-color: var(--bg-light);
    height: 40px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
}

.top-bar-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 20px;
    min-height: 40px;
}

.top-bar-item:first-child {
    justify-self: start;
}

.top-bar-item:nth-child(2) {
    justify-self: center;
}

.top-bar-item:last-child {
    justify-self: end;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.top-bar-item i {
    color: var(--primary);
    font-size: 14px;
}

.top-bar-item a:hover {
    color: var(--primary);
}

/* Main Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-white);
    height: 68px;
    display: flex;
    align-items: center;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 280px;
}

/* Logo */
.logo {
    flex: 0 0 auto;
    min-width: auto;
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.logo-tagline {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 0.5px;
    line-height: 1.2;
    margin-top: 2px;
}

.logo a:hover .logo-text {
    color: var(--primary);
}

.logo-image {
    height: 60px;
    width: auto;
    max-width: 120px;
    display: block;
    transition: var(--transition-normal);
}

.logo a:hover .logo-image {
    opacity: 0.8;
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin: 0;
    padding: 0;
    list-style: none;
    flex: 1;
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-cta {
    flex: 0 0 auto;
    white-space: nowrap;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    cursor: pointer;
    flex: 0 0 auto;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-white);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-slow);
}

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

.close-menu {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 28px;
    color: var(--text-dark);
    padding: 10px;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.mobile-nav-link {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
}

.mobile-nav-link:hover {
    color: var(--primary);
}

.mobile-cta {
    margin-top: 16px;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 2: HERO                                             */
/* ═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1587293852726-70cdb56c2866?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 50%, rgba(255, 107, 53, 0.3) 100%);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
    width: 100%;
}

.hero-content-center {
    max-width: 800px;
    padding: 40px;
}

.hero-title-main {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 30px;
    text-transform: capitalize;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 650px;
}

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

.btn-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-transform: capitalize;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    border-radius: 0;
}

.btn-hero-primary {
    background-color: var(--secondary);
    color: white;
}

.btn-hero-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.btn-hero-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 14px 38px;
}

.btn-hero-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* Hero Navigation Arrows */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 4;
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.hero-arrow:hover {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.hero-arrow-left {
    left: 30px;
}

.hero-arrow-right {
    right: 30px;
}

/* Remove old hero styles */
.hero-bg-pattern,
.hero-grid,
.hero-badge,
.hero-title .highlight,
.hero-trust-indicators,
.hero-visual,
.hero-image-wrapper,
.hero-image,
.floating-badge,
.scroll-indicator {
    display: none;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 3: ABOUT                                            */
/* ═══════════════════════════════════════════════════════════ */
.about {
    padding: var(--section-padding) 0;
    background-color: var(--bg-white);
}

.about-layout {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 80px;
    align-items: center;
}

.about-text {
    padding-right: 20px;
}

.about-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.about-heading {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 24px;
}

.about-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-subheading {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 24px;
}

.about-list {
    list-style: none;
    margin: 0 0 40px 0;
    padding: 0;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-list li i {
    color: var(--secondary);
    font-size: 18px;
    margin-top: 4px;
    flex-shrink: 0;
}

.btn-read-more {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--text-dark);
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-transform: capitalize;
    position: relative;
    transition: var(--transition-normal);
    overflow: hidden;
}

.btn-read-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--secondary);
}

.btn-read-more:hover {
    background-color: #2D3748;
    transform: translateY(-2px);
}

.about-image-wrapper {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-experience-badge {
    position: absolute;
    bottom: 40px;
    right: 0;
    background-color: #1E3A5F;
    padding: 40px 60px 40px 40px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-lg);
}

.experience-number {
    font-size: 56px;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.experience-text {
    font-size: 20px;
    font-weight: 600;
    color: white;
    line-height: 1.3;
    position: relative;
}

.experience-text::before {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--secondary);
}

/* Keep old trust boxes hidden but don't remove CSS in case needed elsewhere */
.trust-boxes {
    display: none;
}

.about-content {
    display: none;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 4: PRODUCTS                                         */
/* ═══════════════════════════════════════════════════════════ */
.products {
    padding: var(--section-padding) 0;
    background-color: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.15);
}

.product-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: rgba(255, 107, 53, 0.95);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
}

.product-badge.green {
    background-color: rgba(16, 185, 129, 0.95);
}

.product-content {
    padding: 32px;
}

.product-content h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.product-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-features {
    margin-bottom: 24px;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 8px;
}

.product-features li i {
    color: var(--accent);
    font-size: 14px;
    margin-top: 5px;
    flex-shrink: 0;
}

.product-applications {
    background-color: var(--primary-light);
    padding: 12px 16px;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 28px;
    line-height: 1.6;
}

.product-applications strong {
    color: var(--primary);
}

.quote-btn {
    margin-top: auto;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 5: FEATURES                                         */
/* ═══════════════════════════════════════════════════════════ */
.features {
    padding: var(--section-padding) 0;
    background-color: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.feature-box {
    text-align: center;
    padding: 40px 24px;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    border: 2px solid var(--border-light);
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.12);
    border-color: var(--primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FFF0EB;
    border-radius: var(--radius-full);
    padding: 16px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.feature-box:hover .feature-icon img {
    transform: scale(1.1);
}

.feature-icon i {
    font-size: 32px;
    color: var(--primary);
}

.feature-icon.blue {
    background-color: #FFF0EB;
}

.feature-icon.blue i {
    color: var(--primary);
}

.feature-icon.orange {
    background-color: rgba(255, 107, 53, 0.1);
}

.feature-icon.orange i {
    color: var(--secondary);
}

.feature-icon.purple {
    background-color: rgba(139, 92, 246, 0.1);
}

.feature-icon.purple i {
    color: var(--purple);
}

.feature-box h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-box p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 6: INDUSTRIES                                       */
/* ═══════════════════════════════════════════════════════════ */
.industries {
    padding: var(--section-padding) 0;
    background-color: #f5f5f5;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.industry-card {
    background-color: #f9f9f9;
    padding: 45px 35px 0;
    border-radius: 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.industry-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--primary);
    transition: height 0.3s ease;
}

.industry-card:hover::after {
    height: 8px;
}

.industry-card:hover {
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.15);
    transform: translateY(-5px);
}

.industry-title {
    font-size: 24px;
    font-weight: 600;
    color: #2d2d2d;
    margin-bottom: 30px;
    line-height: 1.4;
    font-family: var(--font-heading);
}

.industry-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 50%;
    transition: transform 0.3s ease;
    padding: 25px;
}

.industry-card:hover .industry-icon {
    transform: scale(1.05);
}

.industry-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease;
}

.industry-description {
    font-size: 15px;
    color: #7a7a7a;
    line-height: 1.8;
    margin-bottom: 25px;
}

.industry-link {
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 35px;
}

.industry-link:hover {
    color: var(--secondary);
    gap: 10px;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 7: QUALITY                                          */
/* ═══════════════════════════════════════════════════════════ */
.quality {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    overflow: hidden;
}

.quality::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.quality-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
    z-index: 0;
}

.quality-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    color: white;
}

.quality-content h2 {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
    background: linear-gradient(90deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.quality-content p {
    font-size: 18px;
    line-height: 1.9;
    opacity: 0.9;
    margin-bottom: 50px;
    color: #e0e0e0;
}

.certification-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 50px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 107, 53, 0.05) 100%);
    padding: 20px 30px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 107, 53, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cert-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.2), transparent);
    transition: left 0.6s ease;
}

.cert-badge:hover::before {
    left: 100%;
}

.cert-badge:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.25) 0%, rgba(255, 107, 53, 0.15) 100%);
    border-color: rgba(255, 107, 53, 0.6);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

.cert-badge i {
    font-size: 32px;
    color: var(--primary);
    transition: transform 0.4s ease;
}

.cert-badge:hover i {
    transform: rotateY(360deg);
}

.cert-badge span {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 8: CONTACT                                          */
/* ═══════════════════════════════════════════════════════════ */
.contact {
    padding: var(--section-padding) 0;
    background-color: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 60px;
}

/* Contact Info */
.contact-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FFF0EB;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 20px;
    color: var(--primary);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.contact-details p,
.contact-details a {
    font-size: 17px;
    color: var(--text-dark);
    line-height: 1.6;
}

.contact-details a:hover {
    color: var(--primary);
}

/* Social Links */
.social-links {
    margin-top: 40px;
}

.social-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: 18px;
    color: var(--text-light);
    transition: var(--transition-normal);
}

.social-icon.linkedin:hover {
    background-color: #0A66C2;
    color: white;
}

.social-icon.whatsapp:hover {
    background-color: #25D366;
    color: white;
}

.social-icon.facebook:hover {
    background-color: #1877F2;
    color: white;
}

.social-icon.instagram:hover {
    background-color: #E4405F;
    color: white;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 16px;
    color: var(--text-dark);
    background-color: var(--bg-white);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

#submitBtn {
    margin-top: 8px;
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-note {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 16px;
}

/* Form Success */
.form-success {
    text-align: center;
    padding: 60px 40px;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-full);
}

.success-icon i {
    font-size: 40px;
    color: var(--accent);
}

.form-success h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.form-success p {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 32px;
}

/* ═══════════════════════════════════════════════════════════ */
/* SECTION 9: FOOTER                                           */
/* ═══════════════════════════════════════════════════════════ */
.footer {
    background-color: var(--bg-dark);
    color: #D1D5DB;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 40% 30% 30%;
    gap: 60px;
    margin-bottom: 40px;
}

/* Footer About */
.footer-about .footer-logo {
    margin-bottom: 20px;
}

.footer-about .logo-text {
    font-size: 22px;
    color: white;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: block;
}

.footer-about .logo-tagline {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    margin-top: 4px;
}

.logo-image-footer {
    height: 50px;
    width: auto;
    display: block;
    transition: var(--transition-normal);
}

.footer-about .footer-logo:hover .logo-image-footer {
    opacity: 0.8;
    transform: scale(1.05);
}

.footer-about p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.footer-certs {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

/* Footer Links */
.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
}

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

.footer-links ul li a {
    font-size: 15px;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.footer-links ul li a:hover {
    color: white;
    padding-left: 5px;
}

/* Footer Contact */
.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact-item i {
    color: var(--primary);
    font-size: 16px;
    width: 20px;
}

.footer-contact-item span,
.footer-contact-item a {
    font-size: 15px;
    color: var(--text-muted);
}

.footer-contact-item a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 16px;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.footer-social-icon:hover {
    background-color: var(--primary);
    color: white;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-bottom i {
    color: var(--secondary);
}

/* ═══════════════════════════════════════════════════════════ */
/* BACK TO TOP BUTTON                                          */
/* ═══════════════════════════════════════════════════════════ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ═══════════════════════════════════════════════════════════ */
/* RESPONSIVE STYLES                                           */
/* ═══════════════════════════════════════════════════════════ */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-title {
        font-size: 44px;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

    .hero-trust-indicators {
        justify-content: center;
    }

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

    .hero-image {
        max-width: 400px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .top-bar-content {
        grid-template-columns: 1fr 1fr;
        justify-items: center;
        gap: 12px;
    }

    .top-bar-item:first-child {
        display: none;
    }

    .top-bar-item:nth-child(2) {
        justify-self: start;
    }

    .top-bar-item:last-child {
        justify-self: end;
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
        margin-left: auto;
    }

    .navbar {
        gap: 12px;
    }

    .section-title {
        font-size: 28px;
    }

    .hero {
        padding: 80px 0 60px;
        min-height: 80vh;
    }

    .hero-content-center {
        padding: 20px;
        text-align: center;
    }

    .hero-title-main {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-hero {
        width: 100%;
        justify-content: center;
    }

    .hero-arrow {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }

    .hero-arrow-left {
        left: 15px;
    }

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

    .about-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-text {
        padding-right: 0;
    }

    .about-heading {
        font-size: 28px;
    }

    .about-subheading {
        font-size: 18px;
    }

    .about-image-wrapper {
        height: 400px;
    }

    .about-experience-badge {
        padding: 30px 40px 30px 30px;
        bottom: 20px;
    }

    .experience-number {
        font-size: 40px;
    }

    .experience-text {
        font-size: 16px;
    }

    .btn-read-more {
        width: 100%;
        text-align: center;
    }

    .product-image {
        height: 220px;
    }

    .product-content {
        padding: 24px;
    }

    .product-content h3 {
        font-size: 24px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr;
    }

    .quality-content h2 {
        font-size: 28px;
    }

    .certification-badges {
        gap: 16px;
    }

    .cert-badge {
        padding: 12px 16px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }

    .hero-title {
        font-size: 30px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }

    .product-features li {
        font-size: 14px;
    }

    .certification-badges {
        flex-direction: column;
    }
}