/* ============================================
   SHAKTI PATTERN & ENGINEERING
   Professional Industrial Website Styles
   ============================================ */

/* ---- CSS Variables ---- */
:root {
    --primary: #1a3a5c;
    --primary-dark: #0f2440;
    --primary-light: #2a5a8c;
    --secondary: #c0c0c0;
    --accent: #2196F3;
    --accent-hover: #1976D2;
    --accent-light: #e3f2fd;
    --dark: #1a1a2e;
    --dark-light: #2d2d44;
    --grey-900: #212121;
    --grey-800: #424242;
    --grey-700: #616161;
    --grey-600: #757575;
    --grey-500: #9e9e9e;
    --grey-400: #bdbdbd;
    --grey-300: #e0e0e0;
    --grey-200: #eeeeee;
    --grey-100: #f5f5f5;
    --grey-50: #fafafa;
    --white: #ffffff;
    --gold: #c9a84c;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--grey-800);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

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

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

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

/* ---- Section Styles ---- */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.section-label.light {
    color: var(--accent-light);
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 16px;
}

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

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    margin: 0 auto;
    border-radius: 2px;
}

.section-divider.light {
    background: var(--white);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(26, 58, 92, 0.97);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: var(--shadow-lg);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-mark {
    flex-shrink: 0;
}

.logo-svg {
    width: 50px;
    height: 50px;
    display: block;
}

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

.logo-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--grey-400);
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(135deg, 
            rgba(15, 36, 64, 0.92) 0%, 
            rgba(26, 58, 92, 0.85) 40%,
            rgba(42, 90, 140, 0.8) 100%
        ),
        url('https://image2url.com/r2/default/images/1775278182703-dc3a8c7a-ac49-421b-9d01-10ca9e78ea7f.png') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(33, 150, 243, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(33, 150, 243, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float-up linear infinite;
}

@keyframes float-up {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 750px;
    margin: 0 auto 40px;
    font-weight: 300;
    line-height: 1.8;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.1rem;
    animation: bounce 2s infinite;
    transition: var(--transition);
}

.hero-scroll a:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ---- Animations ---- */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--grey-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 60px;
}

.about-text p {
    margin-bottom: 18px;
    color: var(--grey-700);
    font-size: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-item {
    background: var(--white);
    padding: 28px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--grey-600);
    font-weight: 500;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 36px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
    color: var(--accent);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-accent);
    color: var(--white);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--grey-600);
    line-height: 1.7;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.08);
}

.service-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 36, 64, 0.3) 0%, rgba(15, 36, 64, 0.75) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.25);
    transition: var(--transition);
}

.service-card:hover .service-overlay {
    background: linear-gradient(180deg, rgba(33, 150, 243, 0.2) 0%, rgba(15, 36, 64, 0.8) 100%);
    color: rgba(255, 255, 255, 0.4);
}

.service-number {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.service-content {
    padding: 32px;
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 18px;
    color: var(--dark);
}

.service-content ul {
    margin-bottom: 24px;
}

.service-content ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--grey-700);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--grey-100);
}

.service-content ul li:last-child {
    border-bottom: none;
}

.service-content ul li i {
    color: var(--accent);
    font-size: 0.8rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link:hover {
    gap: 12px;
    color: var(--accent-hover);
}

/* ============================================
   INDUSTRIES SECTION
   ============================================ */
.industries {
    background: var(--grey-50);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.industry-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.industry-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.industry-card:hover::after {
    transform: scaleX(1);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.industry-card:hover .industry-icon {
    transform: rotateY(180deg);
    background: var(--gradient-accent);
}

.industry-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.industry-card p {
    font-size: 0.9rem;
    color: var(--grey-600);
    line-height: 1.7;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products {
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 36, 64, 0.15) 0%, rgba(15, 36, 64, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    background: linear-gradient(180deg, rgba(33, 150, 243, 0.15) 0%, rgba(15, 36, 64, 0.75) 100%);
    color: rgba(255, 255, 255, 0.4);
}

.product-info {
    padding: 24px;
    text-align: center;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.product-card p {
    font-size: 0.9rem;
    color: var(--grey-600);
    line-height: 1.7;
}

/* ============================================
   COMMITMENT SECTION
   ============================================ */
.commitment {
    position: relative;
    padding: 120px 0;
    background:
        linear-gradient(135deg, rgba(15, 36, 64, 0.93) 0%, rgba(26, 58, 92, 0.9) 100%),
        url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1920&q=80') center/cover no-repeat;
    overflow: hidden;
}

.commitment-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.commitment-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.commitment-text {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.9;
    margin-top: 30px;
    margin-bottom: 50px;
    font-weight: 300;
}

.commitment-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.commitment-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: 500;
    font-size: 1rem;
}

.commitment-item i {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.commitment-item:hover i {
    background: var(--accent);
    transform: scale(1.1);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--grey-50);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--grey-200);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--dark);
}

.contact-details p {
    font-size: 0.9rem;
    color: var(--grey-600);
    line-height: 1.7;
}

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

.contact-details a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--grey-200);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid var(--grey-300);
    border-radius: var(--radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    color: var(--grey-800);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group label {
    position: absolute;
    top: 50%;
    left: 18px;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--grey-500);
    pointer-events: none;
    transition: var(--transition);
    background: var(--white);
    padding: 0 4px;
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.1);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 500;
}

.form-group textarea ~ label {
    top: 20px;
}

.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    transform: translateY(-50%);
}

.map-section {
    margin-top: 50px;
}

.map-heading {
    text-align: center;
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.map-heading i {
    color: var(--accent);
    font-size: 1.3rem;
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 100%;
    margin: 0 auto;
}

.map-container iframe {
    display: block;
    width: 100%;
    filter: saturate(0.8);
    transition: var(--transition);
}

.map-container:hover iframe {
    filter: saturate(1);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: var(--grey-400);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo .logo-mark {
    flex-shrink: 0;
}

.footer-logo .logo-svg {
    width: 44px;
    height: 44px;
}

.footer-logo .logo-name {
    font-size: 1.05rem;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--grey-500);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--grey-400);
    font-size: 0.95rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

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

.footer-links a {
    color: var(--grey-500);
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-links a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7rem;
    color: var(--accent);
    opacity: 0;
    transform: translateX(-6px);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 10px;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--grey-500);
}

.footer-contact li i {
    color: var(--accent);
    margin-top: 4px;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--grey-600);
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .section {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 2.6rem;
    }

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

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

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

    .services-grid .service-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .section {
        padding: 60px 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--primary-dark);
        padding: 100px 30px 30px;
        transition: var(--transition-slow);
        box-shadow: var(--shadow-xl);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav-link {
        padding: 14px 18px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-link.active::after {
        display: none;
    }

    .hero {
        min-height: 100vh;
        padding: 120px 0 80px;
    }

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

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .stat-number {
        font-size: 2rem;
    }

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

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

    .services-grid .service-card:last-child {
        max-width: 100%;
    }

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

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

    .commitment-features {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .contact-form-wrapper {
        padding: 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .whatsapp-float {
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        bottom: 84px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .logo-name {
        font-size: 1rem;
    }

    .logo-tagline {
        font-size: 0.65rem;
    }

    .logo-svg {
        width: 42px;
        height: 42px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 28px 20px;
    }

    .service-content {
        padding: 24px;
    }

    .commitment {
        padding: 80px 0;
    }

    .commitment-text {
        font-size: 1rem;
    }
}

/* ---- Utility: No-scroll body when nav is open ---- */
body.nav-open {
    overflow: hidden;
}