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

:root {
    --primary: #0d7fad;
    --primary-dark: #096a91;
    --nav-bg: #0a6d94;
    --text: #333;
    --light-bg: #f0f8ff;
    --white: #fff;
    --border: #dee2e6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
}

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

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

/* Navbar */
.navbar {
    background: var(--nav-bg);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-logo {
    height: 32px;
    width: 32px;
    border-radius: 6px;
}

.navbar-brand:hover {
    color: var(--white);
    opacity: 0.85;
}

.navbar-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.navbar-links a {
    color: var(--white);
    font-weight: 500;
    transition: opacity 0.2s;
}

.navbar-links a:hover {
    opacity: 0.85;
    color: var(--white);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: transform 0.3s, opacity 0.3s;
}

/* Hero */
.hero {
    background: var(--nav-bg);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.4rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto 1.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background 0.2s, color 0.2s;
}

.btn-primary {
    background: var(--white);
    color: var(--nav-bg);
}

.btn-primary:hover {
    background: var(--light-bg);
    color: var(--nav-bg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--nav-bg);
}

.btn-solid {
    background: var(--primary);
    color: var(--white);
}

.btn-solid:hover {
    background: var(--primary-dark);
    color: var(--white);
}

/* Sections */
.section {
    padding: 3rem 2rem;
}

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

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: #666;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    transition: box-shadow 0.2s;
}

.service-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

/* Industries */
.industries-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.industry-tag {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    color: var(--primary-dark);
}

/* CTA Section */
.cta-section {
    background: var(--nav-bg);
    color: var(--white);
    text-align: center;
    padding: 3rem 2rem;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

.footer a {
    color: var(--white);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

a.lang-link {
    color: var(--white);
    opacity: 0.5;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: opacity 0.2s;
}

a.lang-link:hover {
    opacity: 0.8;
    color: var(--white);
}

a.lang-link.active {
    opacity: 1;
    background: rgba(255, 255, 255, 0.15);
}

/* Examples Grid */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.example-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    transition: box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.example-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.example-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.example-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.example-card p {
    flex: 1;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.example-tag {
    display: inline-block;
    background: var(--light-bg);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    align-self: flex-start;
}

/* AI Assistants — Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.feature-item strong {
    color: var(--primary-dark);
}

.feature-item span {
    font-size: 0.95rem;
    color: #555;
}

/* AI Assistants — Cards */
.assistant-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.assistant-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}

.assistant-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.assistant-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.assistant-icon {
    font-size: 2rem;
}

.assistant-header h3 {
    color: var(--primary-dark);
    margin: 0;
}

.assistant-desc {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #555;
}

.assistant-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
}

.assistant-features li {
    font-size: 0.9rem;
    padding-left: 1.25rem;
    position: relative;
}

.assistant-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.assistant-result {
    background: var(--light-bg);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.assistant-fit {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #888;
    align-self: flex-start;
}

/* AI Assistants — Differentiators Grid */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.diff-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

.diff-item strong {
    display: block;
    color: var(--primary-dark);
    margin-bottom: 0.4rem;
}

.diff-item p {
    font-size: 0.95rem;
    color: #555;
    margin: 0;
}

/* Mobile */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 1rem;
    }

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

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}