/* Betty IT - Premium IT Services Site
   Textures, effects, CRO-optimized */

/* Scroll-triggered fade-in */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

:root {
    --ink: #0f172a;
    --ink-muted: #475569;
    --ink-light: #64748b;
    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: #e0e7ff;
    --border: #e2e8f0;
    --radius: 10px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background: var(--surface);
    overflow-x: hidden;
}

/* Subtle noise - very light */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

h1, h2, h3 {
    font-family: 'Outfit', system-ui, sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--ink);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent-light);
}

.btn-ghost {
    background: rgba(255,255,255,0.15);
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.25);
    border-color: white;
}

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 36px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-list a {
    color: var(--ink-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-list a:hover {
    color: var(--accent);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
}

/* Hero */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.85) 50%, rgba(15, 23, 42, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #a5b4fc 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.trust-item {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

.trust-item strong {
    color: white;
    margin-right: 4px;
}

/* Section headers */
.section-header {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 56px;
}

.section-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: clamp(1.875rem, 3.5vw, 2.25rem);
    margin-bottom: 12px;
}

.section-lead {
    color: var(--ink-muted);
    font-size: 1.0625rem;
    line-height: 1.65;
}

/* Services */
.services {
    padding: 88px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.service-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-light);
}

.service-card-img {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img {
    transform: scale(1.05);
}

.service-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.service-card-content .link-arrow {
    margin-top: auto;
}

.service-card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card-content p {
    color: var(--ink-muted);
    margin-bottom: 16px;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}

.link-arrow::after {
    content: '→';
    font-size: 1em;
}

.link-arrow:hover {
    color: var(--accent-hover);
}

/* About */
.about {
    padding: 88px 0;
    background: var(--surface-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--ink-muted);
    margin-bottom: 16px;
}

.about-features {
    list-style: none;
    margin: 24px 0 32px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--ink-muted);
}

.about-features .check {
    color: #22c55e;
    font-weight: 700;
}

.about-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

/* Stats */
.stats {
    padding: 72px 0;
    background: linear-gradient(135deg, var(--ink) 0%, #1e293b 100%);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
}

.stat-number,
.stat-suffix {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: white;
}

.stat-number {
    font-size: clamp(2.25rem, 3.5vw, 3rem);
}

.stat-suffix {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    color: var(--accent-light);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.75);
    margin-top: 6px;
}

/* Testimonials */
.testimonials {
    padding: 88px 0;
    background: var(--surface-alt);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.testimonial {
    padding: 32px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.testimonial p {
    flex: 1;
    font-size: 1rem;
    color: var(--ink-muted);
    margin-bottom: 24px;
    font-style: italic;
    line-height: 1.6;
}

.testimonial footer {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    color: white;
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial footer strong {
    display: block;
    color: var(--ink);
}

.testimonial footer span {
    font-size: 0.9rem;
    color: var(--ink-light);
}

/* FAQ */
.faq {
    padding: 88px 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item summary {
    padding: 24px 0;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 0 24px;
    color: var(--ink-muted);
    line-height: 1.7;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 998;
    padding: 16px 0;
    background: var(--ink);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.sticky-cta p {
    color: white;
    font-weight: 600;
    margin: 0;
}

@media (max-width: 640px) {
    .sticky-cta-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* CTA */
.cta {
    position: relative;
    padding: 88px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(139, 92, 246, 0.85) 100%);
}

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

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 32px;
}

/* Contact */
.contact {
    padding: 88px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--ink-muted);
    margin-bottom: 32px;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    padding: 12px 0;
    color: var(--ink-muted);
}

.contact-details a {
    color: var(--accent);
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 32px;
    background: var(--surface-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--ink);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: var(--surface);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Footer */
.footer {
    padding: 48px 0 24px;
    background: var(--ink);
    color: rgba(255,255,255,0.8);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer .logo img {
    filter: brightness(0) invert(1);
}

.footer-nav {
    display: flex;
    gap: 32px;
}

.footer-nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom p {
    padding-top: 24px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-img { order: -1; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .testimonials-slider { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--surface);
        padding: 80px 24px 24px;
        box-shadow: -4px 0 24px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 999;
    }
    .nav.open { right: 0; }
    .nav-list { flex-direction: column; gap: 0; }
    .nav-list li { border-bottom: 1px solid var(--border); }
    .nav-list a { display: block; padding: 16px 0; }
    .header-cta { display: none; }
    .nav-cta-mobile {
        display: none;
        padding: 24px 0 0;
        margin-top: 24px;
        border-top: 1px solid var(--border);
    }
    .nav.open .nav-cta-mobile { display: block; }
    .nav-cta-mobile .btn { width: 100%; }
    .burger {
        display: flex;
        z-index: 1001;
        transition: transform 0.3s;
    }
    .burger span { transition: transform 0.3s; }
    body.menu-open .burger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    body.menu-open .burger span:nth-child(2) { opacity: 0; }
    body.menu-open .burger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 24px; text-align: center; }
    .footer-nav { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .service-card-content { padding: 20px; }
    .contact-form { padding: 24px; }
}