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

:root {
    --color-bg: #0a0a0b;
    --color-bg-elevated: #111113;
    --color-bg-card: #18181b;
    --color-text: #fafafa;
    --color-text-muted: #a1a1aa;
    --color-text-subtle: #71717a;
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-accent: #22d3ee;
    --color-border: #27272a;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #22d3ee 100%);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }

p {
    color: var(--color-text-muted);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-text-subtle);
}

.btn-nav {
    padding: 8px 16px;
    font-size: 0.875rem;
    background: var(--gradient-primary);
    color: white;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.03em;
}

.logo-zero {
    color: var(--color-text);
}

.logo-sphere {
    color: var(--color-primary-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.925rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover {
    color: var(--color-text);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    top: -20%;
    left: -10%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.3) 0%, transparent 70%);
    top: 20%;
    right: -15%;
    animation-delay: -7s;
    animation-duration: 25s;
}

.hero-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    bottom: -10%;
    left: 30%;
    animation-delay: -14s;
    animation-duration: 22s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(20px, 10px) scale(1.02);
    }
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--color-bg-elevated);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.1);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: white;
}

.service-card h3 {
    color: var(--color-text);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* About */
.about {
    padding: 120px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 24px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.0625rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    gap: 32px;
}

.stat {
    text-align: center;
    padding: 32px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

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

/* Founder Section */
.founder {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    margin-top: 80px;
    padding: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 800px;
}

.founder-image {
    flex-shrink: 0;
}

.founder-image img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-border);
}

.founder-info h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
    color: var(--color-text);
}

.founder-title {
    color: var(--color-primary-light) !important;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 12px !important;
}

.founder-info p {
    margin-bottom: 10px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.founder-links {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.founder-links a {
    color: var(--color-text-muted);
    transition: color 0.2s ease;
}

.founder-links a:hover {
    color: var(--color-primary-light);
}

/* Contact */
.contact {
    padding: 120px 0;
    background: var(--color-bg-elevated);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-info > p {
    font-size: 1.0625rem;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--color-primary-light);
}

.btn-calendar {
    margin-top: 24px;
    gap: 10px;
}

.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-content p {
    font-size: 0.875rem;
}

/* Success Banner */
.success-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    padding: 16px 24px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.success-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: white;
    font-weight: 500;
}

.success-content svg {
    flex-shrink: 0;
}

.success-content button {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 8px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.success-content button:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .founder {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .founder-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 11, 0.98);
        padding: 24px;
        gap: 24px;
        border-bottom: 1px solid var(--color-border);
        z-index: 1001;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .contact-form {
        padding: 24px;
    }
}