/* Zubr Technologies Website Styles */
/* Mobile-first, responsive design */

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

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

:root {
    /* Colors */
    --color-primary: #ff5edf; /* neon magenta */
    --color-primary-dark: #a21caf;
    --color-primary-light: #7c3aed;
    --color-secondary: #04c8de; /* neon cyan */
    --color-accent: #72efdd; /* aqua glow */
    --color-background: #050915;
    --color-surface: #0f172a;
    --color-surface-muted: #0b1021;
    --color-text: #e5e8ff;
    --color-text-light: #c0c7e8;
    --color-text-muted: #8c94b5;
    --color-border: #1f2a44;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #f43f5e;
    --gradient-rainbow: linear-gradient(135deg, #ff5edf 0%, #04c8de 50%, #7c3aed 100%);
    --gradient-surface: radial-gradient(circle at 20% 20%, rgba(255,94,223,0.18), transparent 32%), radial-gradient(circle at 80% 0%, rgba(4,200,222,0.16), transparent 28%), linear-gradient(135deg, #070c1a 0%, #0b1021 50%, #090d1b 100%);
    
    /* Typography */
    --font-family: 'Space Grotesk', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 70px;
    
    /* Effects */
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--gradient-surface);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header & Navigation */
.header {
    background: rgba(7, 12, 26, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-thumb {
    height: 36px;
    width: 36px;
    border-radius: 50%;
    object-fit: contain;
    box-shadow: none !important;
    border: none !important;
    background: transparent !important;
    filter: none !important;
    padding: 0;
    margin: 0;
}

.logo-wordmark {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 0 12px rgba(255, 94, 223, 0.35));
}

.nav {
    display: none;
}

.nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(15, 23, 42, 0.98);
    box-shadow: var(--box-shadow-lg);
    padding: var(--spacing-md);
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: linear-gradient(135deg, rgba(255, 94, 223, 0.12), rgba(4, 200, 222, 0.14));
    border-color: rgba(255, 94, 223, 0.2);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Main Content */
main {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height) - 200px);
}

/* Hero Section */
.hero {
    position: relative;
    background: var(--gradient-surface);
    color: white;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gradient-rainbow);
    opacity: 0.14;
    filter: blur(90px);
    transform: translateY(-10%);
}

.hero::after {
    opacity: 0.09;
    transform: translate(10%, 10%) rotate(10deg);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-visual {
    display: none;
}

.hero-copy h1 {
    color: white;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-rainbow);
    box-shadow: 0 0 12px rgba(255, 94, 223, 0.6);
}

.hero-copy .subhead {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    max-width: 680px;
    margin: 0 0 var(--spacing-xl);
    color: var(--color-text-light);
}

.hero .container > h1,
.hero .container > p.subhead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: flex-start;
    align-items: flex-start;
}

.hero-visual {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}

.hero-visual::before,
.hero-visual::after {
    content: "";
    position: absolute;
    inset: 10%;
    border-radius: 24px;
    background: conic-gradient(from 120deg, rgba(255,94,223,0.25), rgba(4,200,222,0.25), rgba(124,58,237,0.25), rgba(255,94,223,0.25));
    filter: blur(40px);
    z-index: 0;
}

.hero-visual::after {
    inset: 0;
    background: linear-gradient(135deg, rgba(255,94,223,0.08), rgba(4,200,222,0.08));
    filter: blur(28px);
}

.hero-image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0,0,0,0.35), 0 0 40px rgba(4,200,222,0.25);
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
}

.hero-image-frame img {
    display: block;
    width: 100%;
    height: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    letter-spacing: 0.01em;
}

.btn:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

.btn-primary {
    background-image: var(--gradient-rainbow);
    color: #0b1021;
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(255, 94, 223, 0.25), 0 8px 20px rgba(4, 200, 222, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 45px rgba(255, 94, 223, 0.3), 0 10px 24px rgba(4, 200, 222, 0.25);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: white;
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(120deg, rgba(255,94,223,0.85), rgba(4,200,222,0.85));
    color: white;
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(255, 94, 223, 0.25), 0 8px 20px rgba(4, 200, 222, 0.2);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 45px rgba(255, 94, 223, 0.32), 0 10px 24px rgba(4, 200, 222, 0.25);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: white;
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-light {
    background-color: var(--color-surface-muted);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.benefit-card {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.benefit-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 12px rgba(255, 94, 223, 0.4));
}

.benefit-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--box-shadow);
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-rainbow);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.step-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Callout */
.callout {
    background: linear-gradient(120deg, rgba(255,94,223,0.12), rgba(4,200,222,0.12));
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: var(--spacing-lg);
    border-radius: 16px;
    margin: var(--spacing-xl) 0;
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

.callout h3 {
    margin-bottom: var(--spacing-sm);
}

.callout p {
    margin-bottom: var(--spacing-md);
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.card h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.card ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.card li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--box-shadow-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.pricing-card:hover {
    border-color: rgba(255, 94, 223, 0.5);
    box-shadow: 0 20px 45px rgba(255, 94, 223, 0.18), 0 12px 30px rgba(4, 200, 222, 0.12);
}

.pricing-card.featured {
    border-color: rgba(4, 200, 222, 0.7);
    position: relative;
}

.pricing-card.featured::before {
    content: "Popular";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-rainbow);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-card h3 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.pricing-card .price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: white;
    margin: var(--spacing-md) 0;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.pricing-card li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.pricing-card li:last-child {
    border-bottom: none;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-question::after {
    content: "+";
    font-size: var(--font-size-xl);
    font-weight: 400;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-light);
}

.faq-item.active .faq-answer {
    display: block;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--color-text);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 94, 223, 0.2);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
    text-align: center;
}

/* Use Cases */
.use-case {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow-lg);
    border-left: 4px solid transparent;
    border-image: var(--gradient-rainbow) 1;
}

.use-case h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.use-case p {
    margin-bottom: 0;
    color: var(--color-text-light);
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.team-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.team-card h3 {
    margin-bottom: var(--spacing-sm);
}

/* Resources */
.resource-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-lg);
}

.resource-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.placeholder-image {
    background-color: var(--color-border);
    padding: var(--spacing-xl);
    text-align: center;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, #0b1021 0%, #050915 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    opacity: 0.9;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    color: rgba(255, 255, 255, 0.85);
}

.social-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.8;
    font-size: var(--font-size-sm);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* Media Queries - Tablet */
@media (min-width: 768px) {
    h1 { font-size: var(--font-size-4xl); }
    
    .hero-copy h1 { font-size: var(--font-size-4xl); }
    
    .hero-buttons { flex-direction: row; align-items: center; }
    
    .hero-grid { grid-template-columns: 1fr; }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* Media Queries - Desktop */
@media (min-width: 992px) {
    .hamburger {
        display: none;
    }
    
    .nav {
        display: flex;
    }
    
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-xs);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1001;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Maintenance update marker */