:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #0070f3;
    /* Tech blue similar to DJI's interaction color often used */
    --bg-light: #f5f5f7;
    --text-main: #1d1d1f;
    --text-secondary: #86868b;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    --font-main: 'Inter', sans-serif;
}

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

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: #ffffff;
    padding: 1rem 0;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--white);
    transition: var(--transition);
    z-index: 1001;
}

.navbar.scrolled .logo {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.navbar.scrolled .nav-links a {
    color: var(--text-main);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--accent-color);
}

.cta-btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.7rem 1.4rem;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.navbar.scrolled .cta-btn {
    background: var(--primary-color);
    color: var(--white);
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.hamburger {
    display: none;
    cursor: pointer;
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
    z-index: 1001;
}

.navbar.scrolled .hamburger {
    color: var(--text-main);
}

/* Hamburger active state (for when menu is open) */
.hamburger.active {
    color: var(--text-main);
}


/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
    color: var(--white);
    padding-top: 60px;
    /* Offset for navbar */
}

/* Hero Overlay for better text readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 1rem;
}

.hero h1,
.hero p {
    color: var(--white);
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 1.5rem auto 2.5rem;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.primary-btn {
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.secondary-btn {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* Services */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.divider {
    height: 4px;
    width: 60px;
    background: var(--accent-color);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

/* Products */
.product-showcase {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.check-list li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.check-list i {
    color: var(--accent-color);
}

/* Consulting */
.dark-theme {
    background: #111;
    color: var(--white);
}

.dark-theme h2,
.dark-theme p {
    color: var(--white);
}

.dark-theme p {
    color: rgba(255, 255, 255, 0.7);
}

.consulting-container {
    text-align: center;
    max-width: 800px;
}

.outline-btn {
    padding: 0.8rem 2rem;
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
}

.outline-btn:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

/* Footer */
footer {
    background: var(--bg-light);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
}

.footer-col p {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Enquiry Slide */
.enquiry-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.enquiry-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.enquiry-slide {
    position: fixed;
    top: 0;
    right: -450px;
    /* Hidden initially */
    width: 100%;
    max-width: 450px;
    height: 100%;
    background: var(--white);
    z-index: 2001;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* Ensure scroll if content is too tall */
    overflow-y: auto;
}

.enquiry-slide.active {
    transform: translateX(-450px);
}

.slide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: #25D366;
    /* Whatsapp Color */
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.submit-btn:hover {
    background: #1fab55;
    transform: translateY(-2px);
}

.slide-note {
    margin-top: 1rem;
    font-size: 0.8rem;
    text-align: center;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.fade-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* Responsive */
@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateX(0);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    }

    .nav-links a {
        color: var(--text-main);
        font-size: 1.5rem;
        font-weight: 600;
    }

    .nav-links a::after {
        display: none;
        /* No hover underline on mobile */
    }

    /* Override scanned/unscanned logic for menu links */
    .navbar .nav-links a,
    .navbar.scrolled .nav-links a {
        color: var(--text-main);
    }

    .cta-btn,
    .navbar .cta-btn,
    .navbar.scrolled .cta-btn {
        background: var(--primary-color);
        color: var(--white);
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
        width: auto;
    }

    .hamburger {
        display: block;
    }

    .enquiry-slide {
        width: 100%;
        max-width: 100%;
        right: -100%;
    }

    .enquiry-slide.active {
        transform: translateX(-100%);
    }

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

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

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}