/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    --primary-blue: #3B82F6;
    --secondary-blue: #60A5FA;
    --dark-blue: #1E3A8A;
    --accent-cyan: #06B6D4;
    --accent-purple: #A855F7;
    --bg-dark: #0F172A;
    --bg-darker: #020617;
    --bg-card: #1E293B;
    --text-light: #F1F5F9;
    --text-gray: #94A3B8;
    --gradient-1: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    --gradient-2: linear-gradient(135deg, #A855F7 0%, #3B82F6 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===========================
   Grain Texture Overlay
   =========================== */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--text-light);
}

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

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-logo {
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease;
}

.hero-logo-img {
    height: 180px;
    width: auto;
    filter: drop-shadow(0 10px 40px rgba(59, 130, 246, 0.3));
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 500;
    color: var(--secondary-blue);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

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

.btn-secondary:hover {
    background: var(--secondary-blue);
    color: white;
    transform: translateY(-2px);
}

/* Hero Background Shapes */
.hero-bg-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-blue);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: var(--accent-cyan);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

/* ===========================
   About Section
   =========================== */
.about {
    padding: 6rem 2rem;
    background: var(--bg-dark);
    position: relative;
}

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

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.9;
}

.about-text .lead {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 2rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

.about-highlight {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--primary-blue);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 8px;
}

.about-highlight p {
    color: var(--text-light);
    margin: 0;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    color: var(--secondary-blue);
    margin-bottom: 0.5rem;
}

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

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: 6rem 2rem;
    background: var(--bg-darker);
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.contact-info {
    margin-bottom: 2rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    color: var(--secondary-blue);
    text-decoration: none;
    padding: 1.5rem 3rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 2px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.contact-email:hover {
    border-color: var(--primary-blue);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.email-icon {
    font-size: 2rem;
}

.contact-location {
    margin-top: 2rem;
    font-size: 1.1rem;
    color: var(--text-gray);
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: 3rem 2rem;
    background: var(--bg-dark);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-logo-img {
    height: 80px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    color: var(--secondary-blue);
    margin-bottom: 1rem;
}

.footer-copyright {
    color: var(--text-gray);
    font-size: 0.9rem;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .hero-logo-img {
        height: 120px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-tagline {
        font-size: 1.4rem;
    }

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

    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .about-text .lead {
        font-size: 1.2rem;
    }

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

    .contact-email {
        font-size: 1.2rem;
        padding: 1.2rem 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 40px;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }
}