/* EduRisk Marketing Site Styles */
/* Professional UK education/enterprise design */

:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #152942;
    --color-primary-light: #2d5a8e;
    --color-accent: #2e7d32;
    --color-accent-light: #4caf50;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #888888;
    --color-background: #ffffff;
    --color-background-alt: #f8f9fa;
    --color-background-dark: #e9ecef;
    --color-border: #dee2e6;
    --color-warning: #f57c00;
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-main {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: -4px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-primary);
}

.nav-auth-mobile {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    margin: 5px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.hero-content {
    max-width: 650px;
}

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

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

.hero .btn-primary:hover {
    background: var(--color-background-alt);
    color: var(--color-primary-dark);
}

.hero .btn-secondary {
    border-color: white;
    color: white;
}

.hero .btn-secondary:hover {
    background: white;
    color: var(--color-primary);
}

/* Page Header (for inner pages) */
.page-header {
    background: var(--color-primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    color: white;
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--color-background-alt);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-warning);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* How It Works */
.how-it-works {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    counter-reset: step;
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Pilot Banner */
.pilot-banner {
    background: linear-gradient(135deg, var(--color-accent) 0%, #1b5e20 100%);
    color: white;
    padding: 3rem 0;
}

.pilot-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.pilot-text h2 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.pilot-text p {
    opacity: 0.95;
    margin-bottom: 0;
}

.pilot-badge {
    background: rgba(255,255,255,0.15);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    backdrop-filter: blur(4px);
}

.pilot-badge strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.pilot-badge span {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-bottom-left-radius: var(--radius-sm);
}

.pricing-header {
    background: var(--color-background-alt);
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.pricing-header h3 {
    margin-bottom: 0.5rem;
}

.pricing-header .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.pricing-header .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.pricing-header .price-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.pricing-body {
    padding: 2rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

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

.pricing-features .check {
    color: var(--color-accent);
    font-weight: bold;
    flex-shrink: 0;
}

.pricing-footer {
    padding: 0 2rem 2rem;
    text-align: center;
}

.pricing-note {
    background: var(--color-background-alt);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 3rem;
    text-align: center;
}

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

/* Feature Detail Sections */
.feature-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 3rem 0;
}

.feature-detail.reverse {
    direction: rtl;
}

.feature-detail.reverse > * {
    direction: ltr;
}

.feature-detail-content h2 {
    margin-bottom: 1rem;
}

.feature-detail-content p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.feature-detail-visual {
    background: var(--color-background-alt);
    border-radius: var(--radius-lg);
    padding: 1rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.feature-detail-visual:has(.placeholder) {
    padding: 2rem;
}

.feature-detail-visual .placeholder {
    text-align: center;
    color: var(--color-text-muted);
}

.feature-detail-visual .placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Feature Screenshots */
.feature-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    object-fit: contain;
    background: var(--color-background);
}

.feature-detail-visual img {
    max-width: 100%;
    height: auto;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-list .check {
    color: var(--color-accent);
    font-weight: bold;
    flex-shrink: 0;
}

/* Contact Form */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.contact-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-details li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-details li:last-child {
    border-bottom: none;
}

.contact-details .icon {
    width: 40px;
    height: 40px;
    background: var(--color-background-alt);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-details strong {
    display: block;
    margin-bottom: 0.25rem;
}

.contact-details span {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(45, 90, 142, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
}

/* About Page */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 1rem;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.about-visual {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: 3rem;
    color: white;
    text-align: center;
}

.about-visual h3 {
    color: white;
    margin-bottom: 1rem;
}

.about-visual p {
    opacity: 0.95;
}

/* CTA Section */
.cta-section {
    background: var(--color-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

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

.cta-section .btn-primary:hover {
    background: var(--color-background-alt);
}

/* Footer */
.footer {
    background: var(--color-primary-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .logo-main {
    color: white;
    margin-bottom: 0.5rem;
    display: block;
}

.footer-brand .logo-sub {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .feature-detail,
    .contact-section,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-detail.reverse {
        direction: ltr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

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

    .nav-links li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-actions {
        display: none;
    }

    .nav-auth-mobile {
        display: block;
    }

    .nav-auth-mobile a {
        color: var(--color-primary);
        font-weight: 600;
    }

    .hero {
        padding: 3rem 0;
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .pilot-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: none;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }