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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #00d4ff;
    --accent-dark: #0099cc;
    --accent-purple: #7b2ff7;
    --gradient: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
    --gradient-hover: linear-gradient(135deg, #00e5ff 0%, #8c3fff 100%);
    --border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
}

.nav-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.18);
    border-color: rgba(0, 212, 255, 0.35);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.3px;
}

.logo-img {
    width: 28px;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

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

.nav-links .btn-primary {
    background: var(--gradient) !important;
    color: #ffffff !important;
    padding: 10px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    display: inline-block;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-links .btn-primary::after {
    display: none;
}

.nav-links .btn-primary:hover {
    transform: translateY(-1px);
    opacity: 0.95;
    color: #ffffff !important;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 12px 16px;
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* dropdown */
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        padding: 12px 16px 16px;
        background: rgba(10, 10, 10, 0.96);
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        z-index: 1001;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        padding: 12px 12px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--text-primary);
        font-weight: 600;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover {
        border-color: rgba(0, 212, 255, 0.35);
        background: rgba(0, 212, 255, 0.06);
    }

    .nav-links .btn-primary {
        width: 100%;
        text-align: center;
        padding: 12px 14px;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: floatParticle 20s ease-in-out infinite;
    opacity: 0.5;
}

.hero-particles::before {
    top: 20%;
    left: 10%;
}

.hero-particles::after {
    bottom: 20%;
    right: 10%;
    background: radial-gradient(circle, rgba(123, 47, 247, 0.1) 0%, transparent 70%);
    animation-delay: 5s;
}

@keyframes floatParticle {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(42px, 8vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
    letter-spacing: -1.5px;
}

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

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.2s both;
    font-weight: 400;
}

.hero-features {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.feature-badge {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(26, 26, 26, 0.8);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn-large {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.05);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 0.8s ease 0.5s both;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--gradient);
    animation: scrollDown 2s ease-in-out infinite;
    border-radius: 2px;
}

@keyframes scrollDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Problem Section */
.problem {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
}

.section-title {
    font-size: clamp(32px, 5vw, 44px);
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -1px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 50px;
    font-weight: 400;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.problem-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    display: inline-block;
    color: var(--accent);
    opacity: 0.9;
}

.problem-icon svg {
    width: 100%;
    height: 100%;
}

.problem-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 14px;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    position: relative;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px 32px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.benefit-card.animate {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.benefit-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.2);
}

.benefit-number {
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.1;
    position: absolute;
    top: 16px;
    right: 16px;
    line-height: 1;
}

.benefit-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
    position: relative;
    z-index: 1;
}

/* For Whom Section */
.for-whom {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.for-whom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.for-whom-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.for-whom-card.animate {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.for-whom-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.for-whom-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    display: inline-block;
    color: var(--accent);
    opacity: 0.9;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.4));
    transition: transform 0.3s ease;
}

.for-whom-icon svg {
    width: 100%;
    height: 100%;
}

.for-whom-card:hover .for-whom-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.6));
    opacity: 1;
}

.for-whom-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.for-whom-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 14px;
}

/* Process Section */
.process {
    padding: 80px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.process-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px 32px;
    border-radius: 20px;
    position: relative;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.process-step.animate {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-step:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.2);
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.process-step h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.process-step p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 14px;
}

.step-price {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-result {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.step-result::before {
    content: '✓ ';
    color: var(--accent);
    font-weight: 700;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 50px;
    font-weight: 400;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 28px;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 700;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 14px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    text-align: left;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.about-feature:hover {
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateX(4px);
}

.check {
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 40px;
    font-weight: 400;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 20px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-logo-img {
    width: 32px;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 12px;
    }
    
    .nav-links a {
        font-size: 13px;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .for-whom-grid,
    .process-steps,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
}