/* ============================================
   ANAND GEARS - INDUSTRIAL DESIGN SYSTEM
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors - Industrial Palette */
    --color-navy-deep: #0A1628;
    --color-navy-dark: #1A2B45;
    --color-navy-medium: #2C3E5A;
    --color-steel-gray: #4A5568;
    --color-steel-light: #718096;
    --color-orange-primary: #FF6B35;
    --color-orange-light: #FF8C61;
    --color-orange-dark: #E85A2A;
    --color-white: #FFFFFF;
    --color-off-white: #F7FAFC;
    --color-gray-light: #E2E8F0;
    --color-gray-medium: #CBD5E0;

    /* Typography */
    --font-display: 'Rajdhani', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-industrial: 0 8px 16px rgba(10, 22, 40, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-navy-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--color-orange-primary);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--color-white);
    letter-spacing: 0.05em;
}

.brand-icon {
    font-size: var(--text-3xl);
    color: var(--color-orange-primary);
    animation: rotate-gear 20s linear infinite;
}

@keyframes rotate-gear {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-orange-primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-navy-deep);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    border-top: 1px solid var(--color-navy-medium);
}

.nav-menu.active {
    transform: translateX(0);
    display: flex;
}

.nav-menu li a {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-lg);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-3) 0;
    display: block;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-orange-primary);
    transition: width var(--transition-base);
}

.nav-menu li a:hover::after {
    width: 100%;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        flex-direction: row;
        transform: translateX(0);
        padding: 0;
        gap: var(--space-8);
        background: transparent;
        border: none;
        display: flex;
    }

    .nav-menu li a {
        font-size: var(--text-base);
        padding: 0;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9) 0%, rgba(44, 62, 90, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: left;
    padding: var(--space-8) 0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    animation: slide-up 0.8s ease forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-accent {
    color: var(--color-orange-primary);
    position: relative;
}

.title-accent::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-orange-primary);
    transform: scaleX(0);
    transform-origin: left;
    animation: expand-line 0.6s ease forwards;
    animation-delay: 0.8s;
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes expand-line {
    to {
        transform: scaleX(1);
    }
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-light);
    max-width: 700px;
    margin-bottom: var(--space-8);
    line-height: 1.7;
    animation: fade-in 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

@keyframes fade-in {
    to {
        opacity: 1;
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    animation: fade-in 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    font-size: var(--text-sm);
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fade-in 1s ease forwards;
    animation-delay: 1.2s;
    opacity: 0;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-orange-primary);
    border-bottom: 2px solid var(--color-orange-primary);
    transform: rotate(45deg);
    margin: var(--space-3) auto 0;
    animation: bounce-arrow 2s infinite;
}

@keyframes bounce-arrow {

    0%,
    100% {
        transform: rotate(45deg) translateY(0);
    }

    50% {
        transform: rotate(45deg) translateY(10px);
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-6xl);
    }

    .hero-subtitle {
        font-size: var(--text-xl);
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left var(--transition-base);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    background: var(--color-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(255, 107, 53, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-navy-deep);
    transform: translateY(-2px);
}

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

.btn-outline-navy:hover {
    background: var(--color-navy-deep);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: var(--text-lg);
}

/* ============================================
   TRUST BAR
   ============================================ */

.trust-bar {
    background: var(--color-navy-deep);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-orange-primary);
    border-bottom: 1px solid var(--color-orange-primary);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-orange-primary);
    transition: all var(--transition-base);
}

.trust-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.trust-icon {
    font-size: var(--text-4xl);
    flex-shrink: 0;
}

.trust-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.trust-text strong {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.trust-text span {
    font-size: var(--text-sm);
    color: var(--color-gray-light);
}

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

@media (min-width: 1024px) {
    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: left;
    margin-bottom: var(--space-12);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    text-align: left;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-steel-gray);
    max-width: 800px;
    margin: var(--space-6) 0 0;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--text-5xl);
    }
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
    padding: var(--space-20) 0;
    background: var(--color-off-white);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--color-navy-deep) 0%, transparent 100%);
    opacity: 0.03;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-light);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-orange-primary);
}

.card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: var(--color-gray-light);
}

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

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

.card-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-orange-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-content {
    padding: var(--space-6);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.card-tagline {
    font-size: var(--text-base);
    color: var(--color-steel-gray);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.card-specs {
    margin-bottom: var(--space-5);
}

.card-specs li {
    font-size: var(--text-sm);
    color: var(--color-steel-gray);
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
}

.card-specs li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-orange-primary);
    font-weight: bold;
}

.card-link {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-orange-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
    display: inline-block;
}

.card-link:hover {
    color: var(--color-orange-dark);
    transform: translateX(5px);
}

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

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   VALUE PROPOSITION
   ============================================ */

.value-proposition {
    padding: var(--space-20) 0;
    background: var(--color-white);
}

.value-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.value-card {
    position: relative;
    padding: var(--space-8);
    padding-left: var(--space-20);
    border-left: 4px solid var(--color-orange-primary);
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-white) 100%);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.value-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.value-number {
    position: absolute;
    top: var(--space-6);
    left: var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-orange-primary);
    opacity: 0.3;
    line-height: 1;
}

.value-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.value-description {
    font-size: var(--text-base);
    color: var(--color-steel-gray);
    line-height: 1.7;
}

@media (min-width: 1024px) {
    .value-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: var(--space-20) 0;
    background: var(--color-navy-deep);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.services .section-title {
    color: var(--color-white);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

.service-intro {
    font-size: var(--text-lg);
    color: var(--color-gray-light);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.service-list {
    margin-bottom: var(--space-8);
}

.service-list li {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-orange-primary);
    transition: all var(--transition-base);
}

.service-list li:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.service-icon {
    font-size: var(--text-3xl);
    flex-shrink: 0;
}

.service-list strong {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-white);
}

.service-list p {
    font-size: var(--text-sm);
    color: var(--color-gray-light);
}

.service-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.service-visual img {
    width: 100%;
    height: auto;
}

.service-badge {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    right: var(--space-6);
    background: var(--color-orange-primary);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    text-align: center;
}

.badge-text {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 1024px) {
    .service-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   INDUSTRIES SECTION
   ============================================ */

.industries {
    padding: var(--space-20) 0;
    background: var(--color-off-white);
}

.industry-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.industry-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-orange-primary);
}

.industry-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-4);
}

.industry-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.industry-description {
    font-size: var(--text-base);
    color: var(--color-steel-gray);
}

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

@media (min-width: 1024px) {
    .industry-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-navy-deep);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.footer-tagline {
    color: var(--color-gray-light);
    font-size: var(--text-base);
}

.footer-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-orange-primary);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.footer-icon {
    flex-shrink: 0;
    font-size: var(--text-lg);
}

.footer-links a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-orange-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-navy-medium);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--color-steel-light);
    font-size: var(--text-sm);
}

.footer-credit {
    margin-top: var(--space-2);
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-orange-primary);
}

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

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* ============================================
   MOBILE STICKY CTAs
   ============================================ */

.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--color-gray-medium);
    z-index: 999;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
}

.mobile-cta-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
}

.mobile-cta-btn.whatsapp {
    background: #25D366;
    color: var(--color-white);
}

.mobile-cta-btn.call {
    background: var(--color-orange-primary);
    color: var(--color-white);
}

.mobile-cta-btn:active {
    transform: scale(0.95);
}

.cta-icon {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

.cta-text {
    font-size: var(--text-xs);
}

@media (min-width: 768px) {
    .mobile-cta {
        display: none;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.hidden {
    display: none;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 2px solid var(--color-orange-primary);
    outline-offset: 2px;
}

/* ============================================
   DROPDOWN NAVIGATION
   ============================================ */

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-navy-deep);
    min-width: 220px;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-navy-medium);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    display: block;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.dropdown-menu li a:hover {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-orange-primary);
    transform: translateX(5px);
}

.dropdown-menu li a::after {
    display: none;
}

@media (max-width: 767px) {
    .dropdown-menu {
        position: static;
        display: none;
        background: rgba(255, 255, 255, 0.05);
        margin-top: var(--space-2);
        padding: var(--space-3);
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }
}

/* ============================================
   TECHNICAL PAGES STYLES
   ============================================ */

/* Technical Hero */
.technical-hero {
    background: linear-gradient(135deg, var(--color-navy-deep) 0%, #0a1929 100%);
    padding: var(--space-24) 0 var(--space-16);
    color: var(--color-white);
}

.hero-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-orange-primary);
    margin-bottom: var(--space-4);
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin-bottom: var(--space-8);
    line-height: 1.6;
    text-align: left;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
    max-width: 600px;
    margin: 0;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-orange-primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Styles */
.section-padding {
    padding: var(--space-16) 0;
}

.bg-light {
    background: #f8f9fa;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    text-align: left;
    margin-bottom: var(--space-4);
}

.section-intro {
    text-align: left;
    font-size: var(--text-lg);
    color: var(--color-steel-gray);
    max-width: 800px;
    margin: 0 0 var(--space-12);
    line-height: 1.7;
}

/* Standards Grid */
.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.standard-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.standard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.standard-badge {
    display: inline-block;
    background: var(--color-orange-primary);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.standard-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.standard-card p {
    color: var(--color-steel-gray);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.standard-list {
    list-style: none;
    padding: 0;
}

.standard-list li {
    padding-left: var(--space-6);
    position: relative;
    margin-bottom: var(--space-2);
    color: var(--color-steel-gray);
}

.standard-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-orange-primary);
    font-weight: 700;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.tool-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.tool-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-2);
}

.tool-desc {
    color: var(--color-steel-gray);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.capability-list {
    list-style: none;
    padding: 0;
}

.capability-list li {
    padding-left: var(--space-6);
    position: relative;
    margin-bottom: var(--space-2);
    color: var(--color-steel-gray);
}

.capability-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-orange-primary);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-number {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-orange-primary);
    opacity: 0.1;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.service-card p {
    color: var(--color-steel-gray);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding-left: var(--space-6);
    position: relative;
    margin-bottom: var(--space-2);
    color: var(--color-steel-gray);
    font-size: var(--text-sm);
}

.service-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-orange-primary);
    font-weight: 700;
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.capability-item {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-orange-primary);
}

.capability-item h4 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-2);
}

.capability-item p {
    color: var(--color-steel-gray);
    font-size: var(--text-sm);
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-navy-deep) 0%, #0a1929 100%);
    padding: var(--space-16) 0;
    text-align: left;
    color: var(--color-white);
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta-section p {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Industry Cards */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.industry-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-4);
}

.industry-card h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-3);
}

.industry-card p {
    color: var(--color-steel-gray);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.industry-applications {
    list-style: none;
    padding: 0;
    text-align: left;
}

.industry-applications li {
    padding-left: var(--space-6);
    position: relative;
    margin-bottom: var(--space-2);
    color: var(--color-steel-gray);
    font-size: var(--text-sm);
}

.industry-applications li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-orange-primary);
}

/* Download Cards & Lists */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.download-card {
    background: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.download-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    font-size: var(--text-4xl);
    flex-shrink: 0;
}

.download-info h4 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-navy-deep);
    margin-bottom: var(--space-1);
}

.download-meta {
    font-size: var(--text-sm);
    color: var(--color-steel-gray);
}

.download-btn {
    margin-left: auto;
    background: var(--color-orange-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 600;
    transition: var(--transition-base);
}

.download-btn:hover {
    background: var(--color-orange-dark);
}