/* Base Reset & Variables */
:root {
    --primary-color: #0f172a; /* Deep tech blue */
    --accent-color: #3b82f6; /* Bright blue */
    --text-main: #333333;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

[id] {
    scroll-margin-top: 110px;
}

/* Typography */
h1 { font-size: 3rem; margin-bottom: 20px; line-height: 1.2; }
h2 { font-size: 2.2rem; margin-bottom: 20px; color: var(--primary-color); }
h3 { font-size: 1.4rem; margin-bottom: 15px; }
p { margin-bottom: 20px; color: var(--text-light); }

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-primary:focus-visible,
.logo:focus-visible,
.nav-links a:focus-visible,
.nav-toggle:focus-visible,
.contact-form input:focus-visible,
.contact-form select:focus-visible,
.contact-form textarea:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    background: var(--white);
    padding: 14px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo img {
    display: block;
    height: 72px;
    width: auto;
    max-width: 320px;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
    background: var(--primary-color);
    color: var(--white);
    padding: 160px 0 100px;
    text-align: center;
}

.hero p {
    color: #cbd5e1;
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: var(--text-light);
}

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

.placeholder-box {
    background: #e2e8f0;
    height: 400px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

/* Industry Showcase Slideshow */
.industry-showcase {
    width: 100%;
}

.showcase-slideshow {
    position: relative;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.1);
    padding: 24px 24px 56px;
}

.slideshow-viewport {
    overflow: hidden;
    border-radius: 8px;
}

.slideshow-track {
    position: relative;
    height: 400px;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 0 40px;
    z-index: 0;
}

.slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide figcaption {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin: 0;
}

.slide-mock {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
    background: linear-gradient(145deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 8px;
    padding: 24px;
}

/* Device frames */
.device-frame {
    background: #1e293b;
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.ipad-frame {
    width: 100%;
    max-width: 340px;
    border-radius: 20px;
    padding: 14px;
}

.phone-frame {
    width: 100%;
    max-width: 220px;
    border-radius: 28px;
    padding: 12px 8px;
}

.browser-frame {
    width: 100%;
    max-width: 360px;
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
}

.browser-chrome {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: #334155;
}

.browser-chrome span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #64748b;
}

.browser-chrome span:nth-child(1) { background: #ef4444; }
.browser-chrome span:nth-child(2) { background: #eab308; }
.browser-chrome span:nth-child(3) { background: #22c55e; }

.browser-url {
    flex: 1;
    margin-left: 8px;
    padding: 4px 10px;
    background: #1e293b;
    border-radius: 4px;
    font-size: 0.65rem;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.device-screen {
    background: var(--white);
    border-radius: 8px;
    padding: 16px;
    font-size: 0.75rem;
}

.phone-frame .device-screen {
    border-radius: 18px;
    min-height: 300px;
}

.mock-header {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    text-align: center;
}

.mock-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    justify-content: center;
}

.mock-tabs span {
    padding: 4px 10px;
    border-radius: 20px;
    background: #f1f5f9;
    color: var(--text-light);
    font-size: 0.7rem;
}

.mock-tabs span.active {
    background: var(--accent-color);
    color: var(--white);
}

.mock-menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-main);
}

.mock-menu-item.compact {
    margin-top: 12px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    border-bottom: none;
}

.mock-menu-item .price,
.mock-food-info .price {
    color: var(--accent-color);
    font-weight: 700;
}

.mock-food-card {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
}

.mock-food-img {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    background: linear-gradient(135deg, #fbbf24, #f97316);
    flex-shrink: 0;
}

.mock-food-img.alt {
    background: linear-gradient(135deg, #a16207, #854d0e);
}

.mock-food-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mock-food-info strong {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.mock-food-info span {
    color: var(--text-light);
    font-size: 0.65rem;
}

.mock-cart-btn {
    margin-top: 16px;
    padding: 10px;
    background: var(--accent-color);
    color: var(--white);
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.75rem;
}

.mock-calendar,
.mock-time-slots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 14px;
}

.cal-day,
.mock-time-slots span {
    padding: 8px 12px;
    border-radius: 8px;
    background: #f1f5f9;
    color: var(--text-light);
    font-size: 0.7rem;
    font-weight: 600;
}

.cal-day.active,
.mock-time-slots span.active {
    background: var(--accent-color);
    color: var(--white);
}

.mock-qr-code {
    width: 100px;
    height: 100px;
    margin: 20px auto 12px;
    background:
        linear-gradient(90deg, #1e293b 2px, transparent 2px) 0 0 / 10px 10px,
        linear-gradient(#1e293b 2px, transparent 2px) 0 0 / 10px 10px;
    background-color: var(--white);
    border: 3px solid #1e293b;
    border-radius: 4px;
}

.mock-qr-label {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.mock-table-badge {
    display: inline-block;
    margin: 0 auto 12px;
    padding: 6px 14px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-align: center;
    width: fit-content;
    align-self: center;
}

.qr-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slideshow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary-color);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: background 0.2s ease, transform 0.2s ease;
    z-index: 2;
}

.slideshow-btn:hover {
    background: var(--accent-color);
    color: var(--white);
}

.slideshow-prev { left: 8px; }
.slideshow-next { right: 8px; }

.slideshow-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.slideshow-dot {
    width: 10px;
    height: 10px;
    border: none;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s ease, transform 0.2s ease;
}

.slideshow-dot.is-active {
    background: var(--accent-color);
    transform: scale(1.2);
}

.slideshow-btn:focus-visible,
.slideshow-dot:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Industry Grid (Homepage) */
.section-intro {
    max-width: 760px;
    margin: 0 auto 48px;
}

.industries-lead {
    font-size: 1.1rem;
    margin-bottom: 0;
}

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

.industry-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    padding: 32px 28px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: #dbeafe;
}

.industry-card-highlight {
    background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
    border-color: #bfdbfe;
}

.industry-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.industry-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.industry-card p {
    flex: 1;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.industry-link {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.industry-card:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Industry Subpages */
.page-hero {
    background: var(--primary-color);
    color: var(--white);
    padding: 140px 0 80px;
    text-align: center;
}

.page-hero p {
    color: #cbd5e1;
    font-size: 1.15rem;
    max-width: 680px;
    margin: 0 auto 24px;
}

.page-hero .breadcrumb {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 16px;
}

.page-hero .breadcrumb a {
    color: #cbd5e1;
    text-decoration: none;
}

.page-hero .breadcrumb a:hover {
    color: var(--white);
}

.industry-content {
    max-width: 900px;
    margin: 0 auto;
}

.industry-block {
    margin-bottom: 48px;
}

.industry-block h2 {
    margin-bottom: 16px;
}

.industry-block h3 {
    color: var(--primary-color);
    margin-top: 24px;
    margin-bottom: 12px;
}

.two-col-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 32px;
}

.cta-banner {
    background: var(--primary-color);
    color: var(--white);
    padding: 48px;
    border-radius: 12px;
    text-align: center;
    margin-top: 48px;
}

.cta-banner h2 {
    color: var(--white);
    margin-bottom: 12px;
}

.cta-banner p {
    color: #cbd5e1;
    margin-bottom: 24px;
}

.industry-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 32px;
}

.industry-list-item {
    background: var(--white);
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.industry-list-item h3 {
    margin-bottom: 8px;
}

.industry-list-item p {
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.industry-list-item a {
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
}

.industry-list-item a:hover {
    text-decoration: underline;
}

.marketing-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.marketing-pillar {
    background: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.marketing-pillar h3 {
    margin-top: 0;
    font-size: 1.1rem;
}

.marketing-pillar p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* About */
.about-lead {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: inherit;
}

.form-select-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-select-group {
    min-width: 0;
}

.form-status {
    margin: 0;
    padding: 12px;
    border-radius: 6px;
    font-weight: 600;
}

.form-status.success {
    color: #166534;
    background: #dcfce7;
}

.form-status.error {
    color: #991b1b;
    background: #fee2e2;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 30px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .split-layout {
        grid-template-columns: 1fr;
    }

    .nav-toggle {
        display: flex;
    }

    #primary-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--white);
        padding: 16px 5%;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    }

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

    .nav-links li {
        border-bottom: 1px solid #e2e8f0;
    }

    .nav-links li:last-child {
        border-bottom: none;
        padding-top: 12px;
    }

    .nav-links a {
        display: block;
        padding: 14px 0;
    }

    .nav-container {
        position: relative;
    }

    h1 { font-size: 2.2rem; }

    .logo img {
        height: 56px;
        max-width: 260px;
    }

    .slide-mock {
        min-height: 280px;
        padding: 16px;
    }

    .slideshow-track {
        height: 360px;
    }

    .slideshow-btn {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }

    .two-col-features {
        grid-template-columns: 1fr;
    }

    .cta-banner {
        padding: 32px 24px;
    }

    .form-select-row {
        grid-template-columns: 1fr;
    }
}

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