/* ============================================
   CollegeKampus Services - Landing Page Styles
   Subdomain: services.collegekampus.com
   ============================================ */

/* === CSS Variables === */
:root {
    --ck-primary: #1a73e8;
    --ck-primary-dark: #0d47a1;
    --ck-primary-light: #e8f0fe;
    --ck-secondary: #34a853;
    --ck-accent: #fbbc04;
    --ck-danger: #ea4335;
    --ck-warning: #ff9800;
    --ck-info: #4fc3f7;
    --ck-dark: #1a1a2e;
    --ck-text: #333333;
    --ck-text-light: #666666;
    --ck-text-muted: #999999;
    --ck-bg: #f4f7fa;
    --ck-bg-white: #ffffff;
    --ck-border: #e0e4e8;
    --ck-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --ck-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --ck-radius: 12px;
    --ck-radius-sm: 8px;
    --ck-transition: all 0.3s ease;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--ck-bg);
    color: var(--ck-text);
    line-height: 1.6;
    min-height: 100vh;
}
a { color: var(--ck-primary); text-decoration: none; transition: var(--ck-transition); }
a:hover { color: var(--ck-primary-dark); }
img { max-width: 100%; height: auto; }

/* === Navigation === */
.public-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ck-bg-white);
    border-bottom: 1px solid var(--ck-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.public-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.public-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--ck-dark);
    display: flex;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}
.public-logo span { color: var(--ck-primary); }
.public-logo em {
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    color: var(--ck-bg-white);
    background: var(--ck-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
}
.public-nav-links { display: flex; align-items: center; gap: 4px; }
.public-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ck-text-light);
    border-radius: var(--ck-radius-sm);
    transition: var(--ck-transition);
}
.public-nav-link:hover, .public-nav-link.active {
    color: var(--ck-primary);
    background: var(--ck-primary-light);
}
.public-nav-actions { display: flex; align-items: center; gap: 8px; }
.public-mobile-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ck-text);
    padding: 4px;
}
.public-mobile-menu {
    display: none;
    flex-direction: column;
    padding: 8px 24px 16px;
    border-top: 1px solid var(--ck-border);
}
.public-mobile-menu.show { display: flex; }
.public-mobile-menu a {
    padding: 10px 0;
    color: var(--ck-text);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 1px solid var(--ck-border);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--ck-radius-sm);
    cursor: pointer;
    transition: var(--ck-transition);
    text-align: center;
    white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-md { padding: 12px 24px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-primary {
    background: linear-gradient(135deg, var(--ck-primary), var(--ck-primary-dark));
    color: #fff;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
    color: #fff;
}
.btn-secondary {
    background: var(--ck-bg);
    color: var(--ck-text);
    border: 1px solid var(--ck-border);
}
.btn-secondary:hover { background: var(--ck-border); color: var(--ck-text); }
.btn-outline {
    background: transparent;
    color: var(--ck-primary);
    border: 1.5px solid var(--ck-primary);
}
.btn-outline:hover {
    background: var(--ck-primary);
    color: #fff;
}
.btn-white {
    background: #fff;
    color: var(--ck-primary-dark);
    font-weight: 700;
}
.btn-white:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    color: var(--ck-primary-dark);
}
.btn-success {
    background: linear-gradient(135deg, var(--ck-secondary), #2e7d32);
    color: #fff;
}
.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 168, 83, 0.4);
    color: #fff;
}

/* === Hero Section === */
.services-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, var(--ck-primary-dark) 50%, var(--ck-primary) 100%);
    padding: 80px 24px 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.services-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255,255,255,0.05) 0%, transparent 40%);
    pointer-events: none;
}
.services-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.services-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.9);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}
.services-hero-title {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}
.services-hero-sub {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    line-height: 1.5;
    margin-bottom: 32px;
}
.services-hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* === Stats Bar === */
.services-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 28px 24px;
    background: var(--ck-bg-white);
    border-bottom: 1px solid var(--ck-border);
}
.services-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.services-stat-number {
    font-size: 22px;
    font-weight: 800;
    color: var(--ck-primary);
}
.services-stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--ck-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === Section Layout === */
.services-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.services-section {
    padding: 64px 0;
}
.services-section:nth-child(even) {
    background: var(--ck-bg-white);
}
.services-section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px;
}
.services-section-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ck-dark);
    margin-bottom: 12px;
}
.services-section-header p {
    font-size: 15px;
    color: var(--ck-text-light);
    line-height: 1.6;
}

/* === Service Cards Grid === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.service-card {
    background: var(--ck-bg-white);
    border: 1px solid var(--ck-border);
    border-radius: var(--ck-radius);
    padding: 28px 24px;
    transition: var(--ck-transition);
    position: relative;
    overflow: hidden;
}
.service-card:hover {
    border-color: var(--ck-primary);
    box-shadow: var(--ck-shadow-hover);
    transform: translateY(-2px);
}
.service-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 24px;
}
.service-card-icon.blue { background: var(--ck-primary-light); color: var(--ck-primary); }
.service-card-icon.green { background: #e6f9ed; color: var(--ck-secondary); }
.service-card-icon.orange { background: #fff3e0; color: var(--ck-warning); }
.service-card-icon.red { background: #ffeaea; color: var(--ck-danger); }
.service-card-icon.purple { background: #f3e5f5; color: #7b1fa2; }
.service-card-icon.teal { background: #e0f7fa; color: #00897b; }
.service-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ck-dark);
    margin-bottom: 8px;
}
.service-card p {
    font-size: 14px;
    color: var(--ck-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}
.service-card-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--ck-primary-light);
    color: var(--ck-primary);
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
}
.service-card-tag.free { background: #e6f9ed; color: var(--ck-secondary); }
.service-card-tag.popular { background: #fff3e0; color: var(--ck-warning); }

/* === How It Works === */
.how-it-works {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    counter-reset: step;
}
.how-step {
    text-align: center;
    position: relative;
}
.how-step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ck-primary), var(--ck-primary-dark));
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.how-step h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ck-dark);
    margin-bottom: 8px;
}
.how-step p {
    font-size: 13px;
    color: var(--ck-text-light);
    line-height: 1.5;
}

/* === Testimonials === */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}
.testimonial-card {
    background: var(--ck-bg-white);
    border: 1px solid var(--ck-border);
    border-radius: var(--ck-radius);
    padding: 24px;
}
.testimonial-text {
    font-size: 14px;
    color: var(--ck-text);
    line-height: 1.7;
    margin-bottom: 16px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--ck-primary-light);
    color: var(--ck-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
}
.testimonial-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ck-dark);
}
.testimonial-role {
    font-size: 12px;
    color: var(--ck-text-muted);
}

/* === CTA Section === */
.services-cta {
    text-align: center;
    padding: 60px 24px;
    background: linear-gradient(135deg, #f8f9ff, var(--ck-primary-light));
    border: 1px solid var(--ck-border);
    border-radius: var(--ck-radius);
    margin: 40px auto;
    max-width: 800px;
}
.services-cta h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--ck-dark);
    margin-bottom: 12px;
}
.services-cta p {
    font-size: 15px;
    color: var(--ck-text-light);
    margin-bottom: 24px;
}

/* === Footer === */
.public-footer {
    background: var(--ck-dark);
    color: rgba(255,255,255,0.7);
}
.public-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    padding: 40px 24px 20px;
}
.public-footer-brand { flex: 1; min-width: 240px; }
.public-footer-brand .public-logo { color: #fff; font-size: 18px; margin-bottom: 12px; }
.public-footer-brand .public-logo span { color: var(--ck-info); }
.public-footer-brand p { font-size: 13px; line-height: 1.6; max-width: 280px; }
.public-footer-links { display: flex; gap: 40px; flex-wrap: wrap; flex: 2; }
.footer-col { min-width: 140px; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 14px; }
.footer-col a {
    display: block;
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    padding: 4px 0;
    transition: var(--ck-transition);
}
.footer-col a:hover { color: var(--ck-accent); }
.public-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 16px 24px;
    text-align: center;
    font-size: 12px;
}

/* === Responsive === */
@media (max-width: 768px) {
    .public-nav-links { display: none; }
    .public-mobile-btn { display: block; }
    .btn-secondary { display: none; }

    .services-hero { padding: 50px 16px 60px; }
    .services-hero-title { font-size: 28px; }
    .services-hero-sub { font-size: 15px; }

    .services-stats { gap: 20px; flex-wrap: wrap; }
    .services-stat-number { font-size: 18px; }

    .services-section { padding: 40px 0; }
    .services-section-header h2 { font-size: 22px; }

    .services-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .how-it-works { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 480px) {
    .services-stats { gap: 12px; }
    .how-it-works { grid-template-columns: 1fr; }
    .services-hero-actions { flex-direction: column; align-items: center; }
}