/* ============================================
   SUTRATRITEC - COMPREHENSIVE MODERN DESIGN
   ============================================ */

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

:root {
    /* Vibrant Color Palette */
    --primary: #0f172a;
    --secondary: #1e40af;
    --accent: #f97316;
    --accent-light: #fb923c;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --light: #f8fafc;
    --dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   FLOATING ACTION BUTTONS
   ============================================ */

.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: float 3s ease-in-out infinite;
}

.fab.whatsapp {
    background: linear-gradient(135deg, #25d366, #20ba5a);
}

.fab.call {
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
}

.fab:hover {
    transform: scale(1.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 768px) {
    .floating-buttons {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }
    
    .fab {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

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

.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, #1a2a4a 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: white;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0;
}

.logo-text p {
    font-size: 0.75rem;
    color: #cbd5e1;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    flex-wrap: wrap;
}

.nav-menu a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--primary);
        padding: 20px 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }
}

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

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1a3a52 50%, var(--secondary) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: slideInUp 0.8s ease;
}

.hero .highlight {
    background: linear-gradient(120deg, var(--accent), #fb923c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: #cbd5e1;
    margin-bottom: 30px;
    animation: slideInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: slideInUp 0.8s ease 0.4s backwards;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #fb923c);
    color: white;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }
}

/* ============================================
   SECTION STYLING
   ============================================ */

.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--primary);
}

.section-title .highlight {
    background: linear-gradient(120deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    background: linear-gradient(180deg, #f8fafc 0%, white 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 50px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    border-color: var(--accent);
    background: linear-gradient(135deg, white 0%, #fafafa 100%);
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 50px;
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-card ul {
    list-style: none;
    text-align: left;
    display: inline-block;
}

.service-card li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: #cbd5e1;
}

/* ============================================
   GALLERY SECTION
   ============================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    height: 300px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.8), rgba(30, 64, 175, 0.8));
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 40px;
    color: white;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    background: linear-gradient(135deg, var(--accent) 0%, #fb923c 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.95);
}

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

footer {
    background: var(--primary);
    color: #cbd5e1;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: #fb923c;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

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

/* ============================================
   PRODUCT LIST
   ============================================ */

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.product-item {
    background: white;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-item h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

.product-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .features-grid,
    .services-grid,
    .gallery-grid,
    .product-list {
        grid-template-columns: 1fr;
    }

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

    .nav-menu {
        gap: 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .stat-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

/* ============================================
   BREADCRUMB
   ============================================ */

.breadcrumb {
    background: #f8fafc;
    padding: 15px 0;
    margin-bottom: 40px;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 10px;
    flex-wrap: wrap;
}

.breadcrumb-list li {
    color: var(--text-light);
}

.breadcrumb-list li a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-list li a:hover {
    text-decoration: underline;
}

.breadcrumb-list li::after {
    content: '/';
    margin-left: 10px;
    color: var(--text-light);
}

.breadcrumb-list li:last-child::after {
    content: '';
}

/* ============================================
   DROPDOWN MENU
   ============================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--primary);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    z-index: 1;
    border-radius: 8px;
    overflow: hidden;
    top: 100%;
    left: 0;
}

.dropdown-content a {
    color: #cbd5e1;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: var(--transition);
}

.dropdown-content a:hover {
    background-color: var(--secondary);
    color: var(--accent);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown > a::after {
    content: ' ▼';
    font-size: 0.75rem;
}