@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --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%);
    --dark-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --accent-cyan: #00f2fe;
    --accent-neon: #4facfe;
    --accent-purple: #667eea;
    --accent-pink: #f5576c;
    --bg-dark: #0f172a;
    --bg-darker: #0a0f1e;
    --bg-card: rgba(30, 41, 59, 0.9);
    --text-light: #ffffff;
    --text-gray: #cbd5e1;
    --text-dim: #94a3b8;
    --shadow-neon: 0 0 40px rgba(79, 172, 254, 0.3);
    --shadow-purple: 0 0 40px rgba(102, 126, 234, 0.3);
    --shadow-pink: 0 0 40px rgba(245, 87, 108, 0.3);
    --border-glow: 2px solid rgba(79, 172, 254, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #ffffff !important;
    background: #0f172a;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* すべてのテキストを確実に表示 */
p, li, span, div {
    color: #f0f0f0 !important;
}

h1, h2, h3, h4, h5, h6 {
    color: #ffffff !important;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(79, 172, 254, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container-custom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Matrix Rain Effect */
#matrix {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    opacity: 0.15;
}

/* Enhanced Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(25px);
    border-bottom: 2px solid transparent;
    border-image: var(--primary-gradient) 1;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(102, 126, 234, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 
        0 8px 40px rgba(0, 0, 0, 0.9),
        0 0 50px rgba(102, 126, 234, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border-image: linear-gradient(135deg, #667eea 0%, #00f2fe 50%, #f5576c 100%) 1;
}

.navbar {
    padding: 1.2rem 0;
    position: relative;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(102, 126, 234, 0.05) 20%, 
        rgba(79, 172, 254, 0.05) 50%, 
        rgba(245, 87, 108, 0.05) 80%, 
        transparent 100%);
    pointer-events: none;
    opacity: 0;
    animation: headerPulse 8s ease-in-out infinite;
}

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

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    letter-spacing: -0.5px;
}

.navbar-brand::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: var(--primary-gradient);
    border-radius: 12px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    filter: blur(15px);
}

.navbar-brand:hover::before {
    opacity: 0.3;
}

.navbar-brand .brand-icon {
    font-size: 2.2rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: iconSpin 4s linear infinite;
}

@keyframes iconSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.navbar-brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.navbar-brand .brand-main {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.navbar-brand .brand-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--accent-cyan);
    letter-spacing: 3px;
    margin-top: -2px;
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
}

/* Enhanced Navigation Links */
.navbar-nav {
    position: relative;
}

.navbar-nav .nav-link {
    color: var(--text-gray);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.8rem 1.5rem;
    margin: 0 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-family: 'Space Grotesk', sans-serif;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    border-radius: 8px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: translateX(-50%);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.7);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-cyan);
    text-shadow: 0 0 20px rgba(79, 172, 254, 0.7);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    opacity: 0.1;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

/* Enhanced CTA Button */
.cta-button {
    background: var(--secondary-gradient);
    color: var(--text-light);
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(245, 87, 108, 0.5);
    box-shadow: 0 0 30px rgba(245, 87, 108, 0.4);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 
        0 0 50px rgba(245, 87, 108, 0.6),
        0 10px 30px rgba(245, 87, 108, 0.3),
        inset 0 0 30px rgba(255, 255, 255, 0.15);
    color: var(--text-light);
    border: 1px solid rgba(245, 87, 108, 0.8);
}

.cta-button i {
    font-size: 1.1rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Hamburger Menu */
.navbar-toggler {
    background: transparent;
    border: 2px solid var(--accent-cyan);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-gradient);
    border-radius: 16px;
    margin-left: 20px;
    box-shadow: 
        0 0 20px rgba(79, 172, 254, 0.3),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar-toggler::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 16px;
}

.navbar-toggler:hover::before {
    opacity: 0.2;
}

.navbar-toggler:focus {
    box-shadow: 
        0 0 40px rgba(79, 172, 254, 0.6),
        inset 0 0 30px rgba(255, 255, 255, 0.1);
}

.hamburger {
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 2;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
    background: var(--secondary-gradient);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
    background: var(--secondary-gradient);
}

/* Hero Section */
.hero {
    background: var(--dark-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(102, 126, 234, 0.03) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(79, 172, 254, 0.03) 50%, transparent 60%);
    animation: scan 4s linear infinite;
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow-pulse 2s ease-in-out infinite alternate;
    letter-spacing: -2px;
    line-height: 1.1;
}

@keyframes glow-pulse {
    from { filter: drop-shadow(0 0 30px rgba(102, 126, 234, 0.8)); }
    to { filter: drop-shadow(0 0 50px rgba(79, 172, 254, 0.9)); }
}

.hero p {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero-primary,
.btn-hero-secondary {
    padding: 18px 42px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.btn-hero-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: var(--shadow-purple);
    border: 2px solid rgba(102, 126, 234, 0.5);
}

.btn-hero-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
    box-shadow: var(--shadow-neon);
}

.btn-hero-primary::before,
.btn-hero-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
    z-index: -1;
}

.btn-hero-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-purple), 0 10px 30px rgba(102, 126, 234, 0.4);
    color: #ffffff;
    border-color: rgba(79, 172, 254, 0.8);
}

.btn-hero-primary:hover::before {
    opacity: 0.3;
}

.btn-hero-secondary:hover {
    background: var(--accent-gradient);
    color: #ffffff;
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-neon), 0 10px 30px rgba(79, 172, 254, 0.4);
    border-color: transparent;
}

/* Scanner Line */
.scanner-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    box-shadow: var(--shadow-purple);
    animation: scanner 3s linear infinite;
}

@keyframes scanner {
    0% { top: 0; opacity: 1; }
    50% { opacity: 0.3; }
    100% { top: 100%; opacity: 1; }
}

/* Section Styles */
.section {
    padding: 120px 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-gradient);
    box-shadow: var(--shadow-purple);
}

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

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
    letter-spacing: -1.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
    box-shadow: var(--shadow-neon);
}

.section-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Service Cards */
.service-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 50px 40px;
    border: var(--border-glow);
    box-shadow: var(--shadow-neon);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0.1;
    transition: left 0.7s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-20px) scale(1.03);
    box-shadow: var(--shadow-purple), 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(102, 126, 234, 0.6);
}

.service-icon {
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2.5rem;
    color: #ffffff;
    box-shadow: var(--shadow-purple);
    transition: all 0.4s ease;
    position: relative;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: var(--accent-gradient);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: var(--shadow-neon);
}

.service-card:hover .service-icon::before {
    opacity: 0.3;
}

.service-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-light);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.service-card p {
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 30px;
    font-weight: 400;
    font-size: 1.05rem;
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: 30px;
}

.service-features li {
    padding: 10px 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    font-weight: 400;
    font-family: 'Inter', sans-serif;
}

.service-features li::before {
    content: '▸';
    color: var(--accent-neon);
    font-weight: bold;
    margin-right: 12px;
    font-size: 1.4rem;
    text-shadow: 0 0 10px rgba(79, 172, 254, 0.7);
}

.service-price {
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-cyan);
    margin-bottom: 25px;
    text-shadow: 0 0 15px rgba(79, 172, 254, 0.7);
    letter-spacing: -1px;
}

.service-button {
    display: block;
    width: 100%;
    padding: 18px;
    background: var(--primary-gradient);
    color: #ffffff;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(102, 126, 234, 0.5);
    box-shadow: var(--shadow-purple);
}

.service-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    color: #ffffff;
}

/* Expertise Items */
.expertise-item {
    margin-bottom: 50px;
}

.expertise-icon {
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 3rem;
    color: #ffffff;
    box-shadow: var(--shadow-purple);
    transition: all 0.3s ease;
}

.expertise-item:hover .expertise-icon {
    transform: scale(1.1) rotate(5deg);
}

.expertise-item h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.expertise-item p {
    color: var(--text-gray);
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.8;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 20px;
    border: var(--border-glow);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-neon);
}

.contact-form .form-control {
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid rgba(79, 172, 254, 0.3);
    color: var(--text-light);
    padding: 16px 20px;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

.contact-form .form-control:focus {
    background: rgba(15, 23, 42, 0.9);
    border-color: var(--accent-cyan);
    color: var(--text-light);
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.3);
    outline: none;
}

.contact-form .form-control::placeholder {
    color: var(--text-dim);
}

/* Footer */
.footer {
    background: rgba(10, 15, 30, 0.9);
    padding: 80px 0 30px;
    border-top: 2px solid transparent;
    border-image: var(--primary-gradient) 1;
}

.footer-content {
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.footer-section p {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 500px;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: var(--dark-gradient);
    border: 2px solid rgba(79, 172, 254, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: var(--shadow-neon);
}

.social-icons a:hover {
    background: var(--primary-gradient);
    color: #ffffff;
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: var(--shadow-purple);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(79, 172, 254, 0.2);
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 991px) {
    .container-custom {
        padding: 0 30px;
    }
    
    .cta-button { margin: 15px 0 0; }
    
    .navbar-collapse {
        background: var(--bg-card);
        margin-top: 20px;
        border-radius: 16px;
        padding: 30px;
        border: 2px solid rgba(79, 172, 254, 0.3);
        box-shadow: 
            0 0 40px rgba(79, 172, 254, 0.2),
            inset 0 0 30px rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(30px);
        position: relative;
        overflow: hidden;
    }
    
    .navbar-collapse::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary-gradient);
        opacity: 0.05;
        border-radius: 14px;
    }
    
    .navbar-nav .nav-link {
        margin: 8px 0;
        text-align: center;
        font-size: 1rem;
        padding: 16px 24px;
    }
}

@media (max-width: 768px) {
    .container-custom {
        padding: 0 20px;
    }
    
    .navbar-brand {
        font-size: 1.6rem;
    }
    
    .navbar-brand .brand-main {
        font-size: 1.6rem;
    }
    
    .navbar-brand .brand-sub {
        font-size: 0.6rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    .service-card h3 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    .service-card p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
    
    .service-features li {
        padding: 8px 0;
        font-size: 0.9rem;
    }
    
    .service-price {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    .service-button {
        padding: 14px;
        font-size: 0.9rem;
    }
    
    .expertise-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        font-size: 1.4rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .service-features li {
        padding: 6px 0;
        font-size: 0.85rem;
    }
    
    .service-price {
        font-size: 1.5rem;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        padding: 15px 30px;
        font-size: 1rem;
    }
}

/* Custom Animations */
[data-aos] {
    opacity: 0;
    transition-property: transform, opacity;
}

.fade-up {
    transform: translateY(40px);
}
.fade-up.aos-animate {
    opacity: 1;
    transform: translateY(0);
}