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

:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-dark: #1a1a1a;
    --color-gray-medium: #4a4a4a;
    --color-gray-light: #e5e5e5;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode colors (default) */
:root,
:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #f0f0f0;
    --text-primary: #000000;
    --text-secondary: #4a4a4a;
    --text-tertiary: rgba(0, 0, 0, 0.7);
    --border-color: #e5e5e5;
    --nav-bg: rgba(255, 255, 255, 0.98);
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.1);
    --card-border-hover: rgba(0, 0, 0, 0.2);
    --card-bg-hover: #f8f8f8;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --form-bg: #ffffff;
    --form-border: #e5e5e5;
}

/* Dark mode colors */
:root[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #141414;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-tertiary: rgba(255, 255, 255, 0.7);
    --border-color: #2a2a2a;
    --nav-bg: rgba(10, 10, 10, 0.98);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(255, 255, 255, 0.2);
    --card-bg-hover: rgba(255, 255, 255, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --form-bg: #1a1a1a;
    --form-border: #2a2a2a;
}

/* System preference for auto mode */
@media (prefers-color-scheme: dark) {
    :root[data-theme="system"] {
        --bg-primary: #0a0a0a;
        --bg-secondary: #1a1a1a;
        --bg-tertiary: #141414;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --text-tertiary: rgba(255, 255, 255, 0.7);
        --border-color: #2a2a2a;
        --nav-bg: rgba(10, 10, 10, 0.98);
        --card-bg: rgba(255, 255, 255, 0.03);
        --card-border: rgba(255, 255, 255, 0.08);
        --card-border-hover: rgba(255, 255, 255, 0.2);
        --card-bg-hover: rgba(255, 255, 255, 0.08);
        --shadow-color: rgba(0, 0, 0, 0.3);
        --form-bg: #1a1a1a;
        --form-border: #2a2a2a;
    }
}

@media (prefers-color-scheme: light) {
    :root[data-theme="system"] {
        --bg-primary: #ffffff;
        --bg-secondary: #1a1a1a;
        --bg-tertiary: #e5e5e5;
        --text-primary: #000000;
        --text-secondary: #4a4a4a;
        --text-tertiary: rgba(0, 0, 0, 0.7);
        --border-color: #e5e5e5;
        --nav-bg: rgba(255, 255, 255, 0.98);
        --card-bg: rgba(255, 255, 255, 0.02);
        --card-border: rgba(255, 255, 255, 0.1);
        --card-border-hover: rgba(255, 255, 255, 0.3);
        --card-bg-hover: rgba(255, 255, 255, 0.05);
        --shadow-color: rgba(0, 0, 0, 0.05);
        --form-bg: #ffffff;
        --form-border: #ffffff;
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: small;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-contact {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--text-primary);
    border-radius: 50px;
    color: var(--text-primary) !important;
}

.btn-contact:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary) !important;
}

/* Theme Toggle */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.theme-toggle-btn:hover {
    border-color: var(--text-primary);
    transform: rotate(20deg);
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.theme-toggle-btn:active .theme-icon {
    transform: rotate(180deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 2rem 2rem;
    position: relative;
    background-color: var(--bg-primary);
}

.hero-container {
    max-width: 1600px;
    width: 100%;
}

.hero-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.logo-wrapper {
    position: relative;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-logo {
    width: 100%;
    max-width: 550px;
    height: auto;
    filter: contrast(1.05);
    display: block;
}

.hero-side-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    padding: 2rem 0;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-intro .hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin: 0;
}

.hero-description {
    border-left: 3px solid var(--text-primary);
    padding-left: 1.5rem;
}

.hero-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-smooth);
    display: inline-block;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--text-primary);
}

.btn-primary:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

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

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
}


/* Services Section */
.services {
    padding: 8rem 2rem;
    background-color: var(--bg-secondary);
    color: #ffffff;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: -1px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.service-card {
    padding: 3rem 2rem;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    transition: all 0.3s ease, transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--card-bg);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: #000000;
    background-color: var(--card-bg-hover);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    stroke-width: 1.5;
    color: #000000;
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: #000000;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #000000;
}

.service-card p {
    color: #4a4a4a;
    line-height: 1.8;
    font-size: 1rem;
}

/* About Section */
.about {
    padding: 8rem 2rem;
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease;
}

.about .section-title {
    color: var(--text-primary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 8rem 2rem;
    background-color: var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

.contact .section-title {
    color: var(--text-primary);
}

.contact-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--form-border);
    background-color: var(--form-bg);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--text-primary);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-submit:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 4rem 2rem 2rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.footer-content {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.footer-tagline {
    opacity: 0.6;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid;
    border-top-color: currentColor;
    opacity: 0.1;
}

.footer-bottom p {
    opacity: 0.5;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Responsive Design */
@media (max-width: 1200px) {
    .hero-main {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .logo-wrapper {
        display: flex;
        justify-content: center;
        padding: 1rem;
    }

    .main-logo {
        max-width: 600px;
    }

    .hero-side-content {
        text-align: center;
        align-items: center;
        padding: 0 1rem;
    }

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

    .hero-description {
        border-left: none;
        border-top: 3px solid var(--text-primary);
        padding-left: 0;
        padding-top: 1.5rem;
        max-width: 600px;
    }

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

@media (max-width: 968px) {
    .hero {
        padding: 100px 1.5rem 2rem;
    }

    .main-logo {
        max-width: 500px;
    }

    .hero-intro .hero-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

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

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

    .nav-links {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 2rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 90px 1.5rem 2rem;
    }

    .hero-main {
        gap: 2.5rem;
    }

    .main-logo {
        max-width: 400px;
    }

    .hero-label {
        font-size: 0.7rem;
        letter-spacing: 2px;
        margin-bottom: 1rem;
    }

    .hero-intro .hero-title {
        font-size: 1.8rem;
        letter-spacing: -0.5px;
    }

    .hero-description {
        padding-top: 1rem;
    }

    .hero-description p {
        font-size: 0.95rem;
    }

    .hero-side-content {
        gap: 2rem;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .services,
    .about,
    .contact {
        padding: 4rem 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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