/* Apple Liquid Glass Design System */
:root {
    /* Apple-inspired Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Colors */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #4facfe;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-light: rgba(255, 255, 255, 0.95);
    --bg-primary: #f5f5f7;
    --bg-dark: #000000;

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-dark: rgba(0, 0, 0, 0.5);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-hover: 0 12px 48px 0 rgba(31, 38, 135, 0.25);

    /* Typography - Apple System Fonts */
    --font-main: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;

    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header - Liquid Glass */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition-fast);
}

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

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

/* Hero Section - Liquid Glass */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    padding-top: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 60px 20px;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 48px;
    line-height: 1.6;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons - Apple Style */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 980px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

/* Sections */
.services-preview,
.about-section,
.contact-section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards - Liquid Glass */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.card:hover::after {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    display: inline-block;
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #fff;
    letter-spacing: -0.01em;
}

.card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: #667eea;
    font-weight: 500;
    font-size: 0.9375rem;
    gap: 8px;
    position: relative;
    z-index: 1;
    transition: var(--transition-fast);
}

.card-link i {
    transition: var(--transition-fast);
}

.card-link:hover {
    gap: 12px;
}

.card-link:hover i {
    transform: translateX(4px);
}

/* Footer - Glass Effect */
footer {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 80px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 24px;
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-col ul li i {
    margin-right: 8px;
    color: rgba(102, 126, 234, 0.8);
}

.copyright {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Contact Page - Liquid Glass */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info h2 {
    color: #fff;
    margin-bottom: 16px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 48px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: var(--transition-fast);
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(4px);
}

.info-item i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 4px;
}

.info-item h3 {
    font-size: 1.125rem;
    color: #fff;
    margin-bottom: 8px;
    font-weight: 600;
}

.info-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 48px;
}

.social-links a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

/* Contact Form - Glass Effect */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    padding: 48px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.contact-form h2 {
    color: #fff;
    margin-bottom: 32px;
}

.form-group {
    position: relative;
    margin-bottom: 32px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-main);
    outline: none;
    transition: var(--transition-fast);
}

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

.form-group label {
    position: absolute;
    top: 16px;
    left: 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1rem;
    transition: var(--transition-fast);
    pointer-events: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown),
.form-group input:valid,
.form-group textarea:valid {
    border-bottom-color: #667eea;
}

.form-group input:focus~label,
.form-group textarea:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:not(:placeholder-shown)~label,
.form-group input:valid~label,
.form-group textarea:valid~label {
    top: -20px;
    font-size: 0.875rem;
    color: #667eea;
}

/* Enhanced Select Field Styling */
.form-group select {
    width: 100%;
    padding: 16px 32px 16px 0;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-main);
    outline: none;
    transition: var(--transition-fast);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.7)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0 center;
    background-size: 24px;
}

.form-group select:focus {
    border-bottom-color: #667eea;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667eea' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.form-group select:hover {
    border-bottom-color: rgba(255, 255, 255, 0.4);
}

.form-group select option {
    background: #1a1a2e;
    color: #fff;
    padding: 12px 16px;
    font-size: 1rem;
}

.form-group select option:hover,
.form-group select option:checked {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

.form-status {
    margin-top: 16px;
    text-align: center;
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-status.success {
    color: #10d9a0;
}

.form-status.error {
    color: #ff4757;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    nav {
        padding: 0 20px;
    }

    .nav-links {
        position: fixed;
        top: 48px;
        left: 0;
        width: 100%;
        height: calc(100vh - 48px);
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
        flex-direction: column;
        justify-content: center;
        padding: 48px;
        gap: 32px;
        transform: translateX(-100%);
        transition: var(--transition-smooth);
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.5rem;
        font-weight: 500;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        min-height: 100vh;
        padding-top: 48px;
    }

    .hero-content {
        padding: 40px 20px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .card {
        padding: 32px 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .services-preview,
    .about-section,
    .contact-section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .card-icon {
        font-size: 2.5rem;
    }
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.8);
}

/* Selection */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: #fff;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: #fff;
}