@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Color Variables */
:root {
    --bg-dark: #070913;
    --bg-dark-accent: #0f1123;
    --card-bg: rgba(15, 17, 35, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(139, 92, 246, 0.3);
    
    --primary: #8b5cf6;       /* Violet */
    --primary-glow: rgba(139, 92, 246, 0.5);
    --secondary: #06b6d4;     /* Cyan */
    --secondary-glow: rgba(6, 182, 212, 0.5);
    --accent: #ec4899;        /* Pink */
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

/* Background Effects */
.bg-glow-1 {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-glow) 0%, rgba(7, 9, 19, 0) 70%);
    top: -100px;
    right: -100px;
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

.bg-glow-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--secondary-glow) 0%, rgba(7, 9, 19, 0) 70%);
    bottom: 20%;
    left: -100px;
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-dark-accent);
    border: 2px solid var(--bg-dark);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography & Layout Utilities */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px;
    position: relative;
}

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

.section-subtitle {
    color: var(--secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-main);
}

.gradient-text {
    background: linear-gradient(135deg, var(--text-main) 30%, var(--primary) 70%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    background: rgba(7, 9, 19, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--secondary);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 6px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition-smooth);
}

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    background-image: linear-gradient(rgba(7, 9, 19, 0.85), rgba(7, 9, 19, 0.95)), url('assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    min-height: 90vh;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hero-tag {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    width: fit-content;
}

.hero-tag-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
    display: inline-block;
}

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

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

.hero-glow-sphere {
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, var(--primary) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    opacity: 0.3;
    animation: pulse-slow 8s infinite alternate;
}

.hero-device-mockup {
    position: relative;
    z-index: 2;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 24px;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #eab308; }
.mockup-dot.green { background: #22c55e; }

.mockup-content {
    background: rgba(7, 9, 19, 0.6);
    border-radius: 12px;
    padding: 20px;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.mockup-code-line {
    margin-bottom: 8px;
}
.mockup-keyword { color: var(--accent); }
.mockup-val { color: var(--secondary); }

/* AI Feature Cards */
.ai-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(6, 182, 212, 0.12);
}

/* Stats Bar */
.stats-bar {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: rgba(15, 17, 35, 0.4);
    backdrop-filter: blur(10px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 4px;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.15);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card * {
    position: relative;
    z-index: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}

.service-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.service-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.service-link:hover {
    color: var(--text-main);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.portfolio-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    height: 380px;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(to top, rgba(7, 9, 19, 0.95) 0%, rgba(7, 9, 19, 0.4) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
    opacity: 0.9;
    transition: var(--transition-smooth);
}

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

.portfolio-card:hover .portfolio-overlay {
    padding-bottom: 48px;
}

.portfolio-category {
    color: var(--secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.portfolio-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.portfolio-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 48px;
}

.contact-info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.contact-details h4 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.contact-details p, .contact-details a {
    color: var(--text-muted);
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-details a:hover {
    color: var(--secondary);
}

.contact-form-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 48px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-input {
    background: rgba(7, 9, 19, 0.6);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

textarea.form-input {
    resize: none;
    height: 120px;
}

.form-status {
    margin-top: 16px;
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
}

.form-status.success {
    color: #22c55e;
    display: block;
}

.form-status.error {
    color: #ef4444;
    display: block;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-dark-accent);
    padding: 60px 24px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 16px;
    max-width: 320px;
}

.footer-links h4, .footer-newsletter h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.footer-links ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

.footer-newsletter p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 0.9rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--secondary);
}

.newsletter-form button {
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0 16px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.newsletter-form button:hover {
    background: #0891b2;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
    font-size: 0.85rem;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icon {
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    color: var(--primary);
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 15px var(--primary-glow); }
    100% { transform: scale(0.9); opacity: 0.6; }
}

@keyframes pulse-slow {
    0% { transform: scale(0.95); opacity: 0.25; }
    100% { transform: scale(1.05); opacity: 0.35; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes fadeInDown {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Hero entrance animation */
.hero-content {
    animation: fadeInUp 0.9s ease-out both;
}

.hero-visual {
    animation: fadeInUp 0.9s ease-out 0.3s both;
}

/* Floating glow sphere */
.hero-glow-sphere {
    animation: float 6s ease-in-out infinite, pulse-slow 8s infinite alternate;
}

/* Floating device mockup */
.hero-device-mockup {
    animation: float 5s ease-in-out 1s infinite;
}

/* Header entrance */
header {
    animation: fadeInDown 0.7s ease-out both;
}

/* Shimmer gradient text */
.gradient-text {
    background: linear-gradient(135deg, #f8fafc 20%, #8b5cf6 50%, #06b6d4 70%, #f8fafc 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}

/* Active nav link */
.nav-links a.active-nav {
    color: var(--text-main) !important;
}
.nav-links a.active-nav::after {
    width: 100% !important;
}

/* Service card 3D transition fix */
.service-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.4s ease;
    will-change: transform;
}

/* AI feature card 3D transition fix */
.ai-feature-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
}

/* Stat items entrance */
.stat-item {
    animation: fadeInUp 0.6s ease-out both;
}
.stat-item:nth-child(1) { animation-delay: 0.1s; }
.stat-item:nth-child(2) { animation-delay: 0.2s; }
.stat-item:nth-child(3) { animation-delay: 0.3s; }

/* Typing cursor blink */
.typing-cursor {
    animation: blink 0.8s infinite;
    font-weight: 300;
    color: var(--secondary);
}

/* Smooth button transitions */
.btn-primary, .nav-cta {
    transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
}

/* Logo dot pulse */
.logo-dot {
    animation: pulse 2s infinite;
}


/* Mobile Menu Toggle Styles */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-tag {
        margin: 0 auto 24px;
    }
    .hero-desc {
        margin: 0 auto 40px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-device-mockup {
        display: none; /* Hide device mockup on smaller screens to keep clean design */
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    .footer-newsletter {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-dark-accent);
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
        gap: 16px;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-newsletter {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}