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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #0ea5e9;
    --accent-dark: #0284c7;
    --bg: #f0f6ff;
    --bg-dark: #030712;
    --bg-card: rgba(255, 255, 255, 0.75);
    --text: #0f172a;
    --text-light: #475569;
    --text-lighter: #94a3b8;
    --white: #ffffff;
    --border: rgba(59, 130, 246, 0.1);
    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 8px 32px rgba(59, 130, 246, 0.08);
    --shadow-lg: 0 8px 40px rgba(59, 130, 246, 0.15);
    --glow: 0 0 60px rgba(59, 130, 246, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* ── Navbar ── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(240, 246, 255, 0.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid transparent;
    transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: var(--border);
    box-shadow: 0 1px 20px rgba(59, 130, 246, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text);
    letter-spacing: -0.5px;
}

.logo-glow {
    position: relative;
    display: flex;
}

.logo-glow::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 70%);
    border-radius: 12px;
    filter: blur(8px);
    z-index: -1;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 18px;
    border-radius: 10px;
    transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.nav-toggle:hover {
    background: rgba(59, 130, 246, 0.08);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 76px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #020617, #0c1a3a, #0f172a);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 60%);
    pointer-events: none;
}

.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: rgba(59, 130, 246, 0.5);
    border-radius: 50%;
    animation: particleFloat 10s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-40px) scale(1.5); opacity: 0.8; }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #2563eb, transparent 70%);
    top: -15%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #0ea5e9, transparent 70%);
    bottom: -15%;
    right: -10%;
    animation-delay: -7s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #6366f1, transparent 70%);
    top: 35%;
    left: 55%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -40px) scale(1.08); }
    66% { transform: translate(-30px, 30px) scale(0.92); }
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--white);
    z-index: 1;
    padding: 40px 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 22px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    backdrop-filter: blur(12px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3b82f6;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.8);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2.5px;
    margin-bottom: 28px;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #0ea5e9, #38bdf8, #818cf8);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 48px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-chips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.chip:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
    color: rgba(255, 255, 255, 0.9);
}

.chip svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s;
}

.btn:hover .btn-shine {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 36px rgba(59, 130, 246, 0.5);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
}

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

/* ── Section shared ── */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--primary);
    margin-bottom: 16px;
    padding: 4px 16px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 100px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ── Services ── */
.services {
    padding: 130px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 26px 28px;
    backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover .card-glow {
    opacity: 1;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), rgba(14, 165, 233, 0.04));
    opacity: 0;
    transition: opacity 0.4s;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-lg), var(--glow);
}

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

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    position: relative;
}

.card-icon svg {
    width: 48px;
    height: 48px;
}

.card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
}

.card p {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.7;
    position: relative;
    margin-bottom: 16px;
}

.card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    position: relative;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    background: rgba(59, 130, 246, 0.06);
    color: var(--primary);
    border-radius: 100px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

/* ── Contact ── */
.contact {
    padding: 130px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 32px;
    transition: box-shadow 0.3s;
}

.contact-card:hover {
    box-shadow: var(--shadow);
}

.contact-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.06);
}

.contact-card-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-lighter);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-card a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: color 0.2s;
}

.contact-card a:hover {
    color: var(--primary);
}

.contact-trust {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-light);
}

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

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-lighter);
}

/* Honeypot mező elrejtése - nem display:none, mert botok azt kiszúrják */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

.contact-form .btn-primary {
    margin-top: 4px;
}

/* ── Footer ── */
.footer {
    background: linear-gradient(135deg, #020617, #0c1a3a);
    padding: 32px 0;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.services-grid .card:nth-child(1) { transition-delay: 0ms; }
.services-grid .card:nth-child(2) { transition-delay: 60ms; }
.services-grid .card:nth-child(3) { transition-delay: 120ms; }
.services-grid .card:nth-child(4) { transition-delay: 180ms; }
.services-grid .card:nth-child(5) { transition-delay: 240ms; }
.services-grid .card:nth-child(6) { transition-delay: 300ms; }
.services-grid .card:nth-child(7) { transition-delay: 360ms; }
.services-grid .card:nth-child(8) { transition-delay: 420ms; }

/* ── Mobile ── */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-chips {
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0;
        padding: 8px;
        border-bottom: 1px solid var(--border);
        display: none;
    }

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

    .nav-links a {
        display: block;
        padding: 14px 16px;
        border-radius: 8px;
    }

    .hero h1 {
        letter-spacing: -1px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .contact-form {
        padding: 24px;
    }

    .hero-chips {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    .chip {
        width: auto;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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