/* ===== CSS Variables ===== */
:root {
    --primary-dark: #1b5e20;
    --primary: #2e7d32;
    --primary-light: #4caf50;
    --accent: #d32f2f;
    --accent-light: #ef5350;
    --accent-dark: #b71c1c;
    --secondary: #ffc107;
    --yellow: #ffeb3b;
    --text-dark: #1a202c;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #f1f8e9;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    --gradient-yellow: linear-gradient(135deg, var(--secondary) 0%, var(--yellow) 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.5);
}

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

.btn-secondary:hover {
    background: var(--accent);
    color: white;
}

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.navbar .logo img {
    height: 70px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
}

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

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

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

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

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #dcedc8 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(211, 47, 47, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(46, 125, 50, 0.1) 0%, transparent 50%);
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 24px;
    font-size: 3.25rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Tech Animation */
.tech-animation {
    position: relative;
    width: 350px;
    height: 350px;
}

.orbit {
    position: absolute;
    border: 2px dashed rgba(211, 47, 47, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.orbit-1 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.orbit-2 {
    width: 75%;
    height: 75%;
    top: 12.5%;
    left: 12.5%;
    animation-duration: 15s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
    animation-duration: 10s;
}

.orbit-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--gradient-accent);
    border-radius: 50%;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(211, 47, 47, 0.6);
}

.core-circle {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(211, 47, 47, 0.4);
}

.core-circle i {
    font-size: 3rem;
    color: white;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

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

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.about-text p {
    color: var(--text-medium);
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-card {
    width: 280px;
    height: 280px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(211, 47, 47, 0.3);
    position: relative;
}

.image-card::before {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    border: 2px dashed rgba(211, 47, 47, 0.3);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.image-card i {
    font-size: 7rem;
    color: white;
    opacity: 0.9;
}

/* ===== Services Section ===== */
.services {
    background: var(--bg-light);
}

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

.service-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.1) 0%, rgba(46, 125, 50, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.service-icon i {
    font-size: 2rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    margin-bottom: 16px;
    color: var(--primary-dark);
}

.service-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ===== Why Us Section ===== */
.why-us {
    background: var(--bg-white);
}

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

.feature {
    display: flex;
    gap: 24px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: var(--transition);
}

.feature:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-content h4 {
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.feature-content p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ===== Contact Section ===== */
.contact {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-icon i {
    font-size: 1.25rem;
    color: white;
}

.info-text h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.info-text p,
.info-text a {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.info-text a:hover {
    color: var(--accent);
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-light);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-white);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand img {
    height: 70px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer-links h4,
.footer-services h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.125rem;
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2rem; }

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

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

    .footer-brand {
        grid-column: span 2;
    }

    .tech-animation {
        width: 280px;
        height: 280px;
    }

    .core-circle {
        width: 100px;
        height: 100px;
    }

    .core-circle i {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        order: -1;
    }

    .tech-animation {
        width: 250px;
        height: 250px;
    }

    .core-circle {
        width: 80px;
        height: 80px;
    }

    .core-circle i {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .about-image {
        order: -1;
    }

    .image-card {
        width: 200px;
        height: 200px;
    }

    .image-card::before {
        width: 240px;
        height: 240px;
    }

    .image-card i {
        font-size: 5rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-brand p {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    section {
        padding: 60px 0;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }

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

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

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