:root {
    --bg-color: #05070a;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --secondary-color: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --container-width: 1200px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

section {
    scroll-margin-top: 120px;
}

/* Header */
header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

nav.container {
    position: relative;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
}

.logo span {
    color: var(--accent-color);
}

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

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

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
}

.nav-toggle:hover {
    border-color: var(--accent-color);
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
    animation: pulseGlow 8s infinite alternate;
}

@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.2); opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h1 span {
    background: linear-gradient(90deg, #3b82f6, #9333ea);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 10px 20px -5px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -5px var(--accent-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-border);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    padding: 2rem;
    transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
    transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    animation: float 6s infinite ease-in-out;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

@keyframes float {
    0% { transform: perspective(1000px) rotateY(-15deg) rotateX(10deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-12deg) rotateX(8deg) translateY(-20px); }
    100% { transform: perspective(1000px) rotateY(-15deg) rotateX(10deg) translateY(0); }
}

.glass-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px) scale(1.05);
    box-shadow: 0 30px 60px rgba(59, 130, 246, 0.3), inset 0 0 30px rgba(255, 255, 255, 0.1);
    animation-play-state: paused;
}

.card-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4b5563;
}

.card-content code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

.syntax { color: #f472b6; }
.string { color: #34d399; }

/* Tech Grid Item Hover */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.tech-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem 1rem;
    border-radius: 16px;
    text-align: center;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    opacity: 0;
    transition: 0.6s ease;
    transform: scale(0.5);
}

.tech-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.2);
}

.tech-item:hover::before {
    opacity: 1;
    transform: scale(1);
}

.tech-icon {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: block;
}

/* Device Showcase Animation */
.showcase-images {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 250px;
    position: relative;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    overflow: hidden;
}

.device-ios, .device-android {
    width: 70px;
    height: 140px;
    border-radius: 12px;
    border: 3px solid #222;
    z-index: 3;
    object-fit: cover;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.device-ios {
    transform: translateX(40px) rotate(-15deg);
}

.device-android {
    transform: translateX(-40px) rotate(15deg);
}

.device-web {
    width: 220px;
    height: 140px;
    border-radius: 8px;
    border: 4px solid #333;
    border-bottom: 8px solid #111;
    z-index: 2;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0,0,0,0.7);
    transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.project-card:hover .device-ios { 
    transform: translateX(10px) rotate(-5deg) scale(1.1); 
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

.project-card:hover .device-android { 
    transform: translateX(-10px) rotate(5deg) scale(1.1); 
    box-shadow: 0 20px 40px rgba(147, 51, 234, 0.3);
}

.project-card:hover .device-web { 
    transform: scale(1.05) translateY(-5px); 
}

/* Projects */
.projects {
    padding: 8rem 0;
}

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

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-header h2 span {
    color: var(--accent-color);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.single-project {
    display: block;
}

.flagship-card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.4), rgba(5, 7, 10, 0.6));
    border: 1px solid var(--accent-color);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.15);
    transition: 0.5s ease;
}

.flagship-card:hover {
    box-shadow: 0 30px 60px rgba(59, 130, 246, 0.25);
    transform: translateY(-5px);
}

.flagship-card .project-img {
    flex: 1;
    min-width: 400px;
    height: 100%;
}

.flagship-card .project-info {
    flex: 1;
    padding: 3rem 4rem 3rem 0;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    transition: 0.4s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.project-img {
    height: 250px;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-img {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    opacity: 0.5;
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tag {
    font-size: 0.8rem;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
}

/* Services Section */
.services {
    padding: 8rem 0;
    background: rgba(255, 255, 255, 0.01);
}

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

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    text-align: left;
    transition: 0.3s ease;
}

.service-card:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: 8rem 0;
}

.contact-card {
    background: linear-gradient(135deg, #1e293b 0%, #05070a 100%);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.contact-text h2 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.contact-text h2 span {
    color: var(--accent-color);
}

.contact-info .info-item small {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-info .info-item a {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

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

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.8rem; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin: 0 auto 2rem; }
    .hero-btns { justify-content: center; }
    .container { padding: 0 1.25rem; }
    .nav-toggle { display: inline-flex; }
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: calc(100% + 12px);
        right: 0;
        width: min(320px, 92vw);
        padding: 14px;
        gap: 10px;
        background: rgba(5, 7, 10, 0.92);
        border: 1px solid var(--glass-border);
        border-radius: 16px;
        backdrop-filter: blur(12px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
        z-index: 1100;
    }
    .nav-links.open a {
        padding: 10px 12px;
        border-radius: 12px;
    }
    .nav-links.open a:hover {
        background: rgba(59, 130, 246, 0.08);
    }
    .project-grid { grid-template-columns: 1fr; }
    .flagship-card {
        flex-direction: column;
    }
    .flagship-card .project-img {
        min-width: 100%;
        height: 250px;
    }
    .flagship-card .project-info {
        padding: 2rem;
    }
    .contact-card { padding: 3rem; text-align: center; justify-content: center; }
    .contact-info .info-item a { font-size: 1.8rem; }
    .hero-visual { display: none; }
}

/* Floating WhatsApp FAB */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float i {
    font-size: 1.5rem;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
    background-color: #128C7E;
}

@media (max-width: 768px) {
    .whatsapp-float span {
        display: none;
    }
    .whatsapp-float {
        padding: 15px;
        bottom: 20px;
        right: 20px;
    }
}