/* Base Styles */
:root {
    --primary: #0a192f;
    --secondary: #1a365d;
    --accent: #e53e3e;
    --accent-blue: #3182ce;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #a0aec0;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: white;
    overflow-x: hidden;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent);
}

p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--gray);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(90deg, var(--accent), var(--accent-blue));
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.3);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(229, 62, 62, 0.4);
}

.btn::after {
    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::after {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: white;
    box-shadow: 0 4px 15px rgba(49, 130, 206, 0.3);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    box-shadow: 0 10px 20px rgba(49, 130, 206, 0.4);
}

/* Preloader Styles */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.logo-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gear-container {
    position: relative;
    width: 140px;
    height: 140px;
    margin-bottom: 25px;
}

.outer-gear {
    width: 100%;
    height: 100%;
    border: 6px solid var(--accent);
    border-radius: 50%;
    position: relative;
    animation: spin 6s linear infinite;
}

.outer-gear:before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 
        0 90px 0 0 var(--accent),
        0 180px 0 0 var(--accent),
        0 270px 0 0 var(--accent),
        45px 45px 0 0 var(--accent),
        45px 135px 0 0 var(--accent),
        -45px 45px 0 0 var(--accent),
        -45px 135px 0 0 var(--accent);
}

.inner-gear {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 4px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin-reverse 4s linear infinite;
}

.inner-gear:before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 50%;
    box-shadow: 
        0 70px 0 0 var(--accent-blue),
        0 140px 0 0 var(--accent-blue),
        0 210px 0 0 var(--accent-blue),
        35px 35px 0 0 var(--accent-blue),
        35px 105px 0 0 var(--accent-blue),
        -35px 35px 0 0 var(--accent-blue),
        -35px 105px 0 0 var(--accent-blue);
}

.center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    z-index: 10;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-reverse {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(-360deg); }
}

.company-name {
    font-size: 2.8rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.tagline {
    font-size: 1rem;
    color: var(--gray);
    letter-spacing: 1.5px;
    font-weight: 300;
    text-align: center;
    max-width: 300px;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

/* Header & Navigation */
header {
    background: rgba(10, 25, 47, 0.95);
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
    position: fixed;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo h1 {
    font-size: 2rem;
    margin: 0;
    color: white;
}

.logo span {
    color: var(--accent);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover {
    color: var(--accent-blue);
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: var(--transition);
}

nav ul li a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(26, 54, 93, 0.85)), url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(229, 62, 62, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    transform: translateZ(0);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: white;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Services Section */
.services {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: var(--transition);
    text-align: center;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    background: rgba(255, 255, 255, 0.08);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.3));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    color: white;
}

/* Projects Section */
.projects {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.3));
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover::before {
    opacity: 1;
}

.project-img {
    height: 250px;
    background-size: cover;
    background-position: center;
}

.project-info {
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.project-info h3 {
    font-size: 1.3rem;
    color: white;
}

/* About Section */
.about {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    text-align: left;
}

.about-text h2:after {
    left: 0;
    transform: none;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-top: 5px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: white;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    font-size: 1rem;
    color: white;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-control.error {
    border-color: var(--accent);
    background: rgba(229, 62, 62, 0.1);
}

.form-control.error::placeholder {
    color: var(--accent);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background: rgba(10, 25, 47, 0.95);
    color: white;
    padding: 60px 0 30px;
    backdrop-filter: blur(10px);
}

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

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    color: white;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
}

.footer-links {
    list-style: none;
}

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

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

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    color: var(--gray);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* Flow-Up Animation */
@keyframes flowUp {
    0% {
        transform: translateY(50px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.flow-up {
    transform: translateY(50px);
    opacity: 0;
    transition: transform 0.8s ease-out, opacity 0.8s ease-out;
}

.flow-up.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero {
        background-attachment: scroll;
        min-height: 80vh;
    }

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

    .hero p {
        font-size: 1.1rem;
    }
    
    .about-content, .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-text h2 {
        text-align: center;
    }
    
    .about-text h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 25, 47, 0.95);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
        backdrop-filter: blur(10px);
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        padding: 20px;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-btns {
        gap: 15px;
    }
    
    .services-grid, .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .service-card, .project-card {
        padding: 20px;
    }
}



/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  font-size: 32px;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
  z-index: 1000;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float i {
  margin-top: 14px;
}