:root {
    --primary: #0ea5e9;
    /* Existing Blue */
    --primary-dark: #0284c7;
    --secondary: #6366f1;
    --accent: #ff6b00;
    /* New Industrial Orange */
    --dark-bg: #0b0f19;
    /* Deep rich black/blue */
    --dark-surface: #151b2b;
    /* Slightly lighter surface */
    --text-light: #ffffff;
    --text-dim: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
    /* Smooth corners for logo */
}

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

.nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dim);
}

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

.btn-contact {
    background: linear-gradient(135deg, var(--accent), #ff9100);
    color: white !important;
    padding: 0.6rem 1.75rem;
    border-radius: 9999px;
    font-weight: 700 !important;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
    text-transform: uppercase;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 0, 0.5);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--text-light);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 8rem 0 6rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Abstract Background */
.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    height: 100vh;
    background:
        radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.15), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 0, 0.1), transparent 50%);
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.08), transparent 70%);
    /* Orange glow */
    border-radius: 50%;
    filter: blur(80px);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: var(--accent);
    transition: var(--transition);
    z-index: -1;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: white;
}

.btn-outline:hover::before {
    width: 100%;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--dark-bg);
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-subtitle {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 0.5rem;
    background: rgba(255, 107, 0, 0.1);
    padding: 0.25rem 1rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 107, 0, 0.2);
}

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

.about-card {
    background: linear-gradient(145deg, var(--dark-surface), #0f131a);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.about-card p {
    color: var(--text-dim);
}

/* Approach Section */
.approach-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, var(--dark-bg), #0b101b);
    position: relative;
    overflow: hidden;
}

.approach-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.05), transparent);
    pointer-events: none;
}

.approach-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.05), transparent 70%);
    pointer-events: none;
}

.approach-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.approach-text strong {
    color: var(--text-light);
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: var(--dark-bg);
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.contact-info {
    max-width: 600px;
    padding-right: 0;
}

.contact-desc {
    margin-bottom: 2rem;
    color: var(--text-dim);
    font-size: 1.1rem;
}

.info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.02);
    padding: 1.25rem 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    width: 100%;
    max-width: 400px;
}

.info-item:hover {
    border-color: var(--accent);
    background: rgba(255, 107, 0, 0.05);
    transform: translateY(-3px);
}

.info-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.info-item a:hover {
    color: var(--primary);
}

.info-item address {
    font-style: normal;
    color: var(--button-dim);
}



/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: var(--dark-surface);
        padding: 6rem 2rem;
        transition: 0.3s ease-in-out;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        align-items: flex-start;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .header.active .mobile-menu-btn span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .header.active .mobile-menu-btn span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

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

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