/* ============================================
   OnCallPrep - Main Stylesheet
   ============================================ */

/* CSS Variables - Your Brand Colors */
:root {
    /* Primary Colors - Teal */
    --color-primary-50: #f0fdfa;
    --color-primary-100: #ccfbf1;
    --color-primary-200: #99f6e4;
    --color-primary-300: #5eead4;
    --color-primary-400: #2dd4bf;
    --color-primary-500: #14b8a6;
    --color-primary-600: #0d9488;
    --color-primary-700: #0f766e;
    --color-primary-800: #115e59;
    --color-primary-900: #134e4a;

    /* Secondary Colors - Deep Blue */
    --color-secondary-50: #eff6ff;
    --color-secondary-100: #dbeafe;
    --color-secondary-200: #bfdbfe;
    --color-secondary-300: #93c5fd;
    --color-secondary-400: #60a5fa;
    --color-secondary-500: #3b82f6;
    --color-secondary-600: #2563eb;
    --color-secondary-700: #1d4ed8;
    --color-secondary-800: #1e40af;
    --color-secondary-900: #1e3a8a;

    /* Success - Green (for correct answers) */
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-200: #bbf7d0;
    --color-success-300: #86efac;
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;
    --color-success-700: #15803d;

    /* Error - Red (for incorrect answers) */
    --color-error-50: #fef2f2;
    --color-error-100: #fee2e2;
    --color-error-200: #fecaca;
    --color-error-300: #fca5a5;
    --color-error-400: #f87171;
    --color-error-500: #ef4444;
    --color-error-600: #dc2626;
    --color-error-700: #b91c1c;

    /* Neutral Colors */
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Fraunces', Georgia, serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-700);
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Ensure full width on content pages */
.content-page .container {
    max-width: 1400px;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(20, 184, 166, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(20, 184, 166, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-300);
}

.btn-outline:hover {
    background: var(--color-primary-50);
    border-color: var(--color-primary-400);
    color: var(--color-primary-700);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

.btn-white {
    background: white;
    color: var(--color-primary-600);
}

.btn-white:hover {
    background: var(--color-gray-50);
    color: var(--color-primary-700);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.logo:hover {
    color: var(--color-gray-900);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-md);
    position: relative;
}

/* Pager/beeper icon design (no phone) */
.logo-icon::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    height: 8px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
}

.logo-icon::after {
    content: '';
    position: absolute;
    bottom: 7px;
    left: 8px;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    box-shadow: 6px 0 0 rgba(255, 255, 255, 0.7), 12px 0 0 rgba(255, 255, 255, 0.7);
}

/* Pulse animation for the logo */
.logo-icon-pulse {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 8px;
    height: 8px;
    background: var(--color-success-400);
    border-radius: 50%;
    border: 2px solid white;
}

.logo-icon-pulse::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--color-success-400);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    opacity: 0;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0; }
    50% { transform: scale(1.5); opacity: 0.4; }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary-600);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(20, 184, 166, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-gray-200);
}

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 450px;
}

.hero-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-100);
    animation: float 6s ease-in-out infinite;
}

.hero-card-1 {
    top: 0;
    left: 20%;
    animation-delay: 0s;
}

.hero-card-2 {
    top: 35%;
    right: 10%;
    animation-delay: -2s;
}

.hero-card-3 {
    bottom: 10%;
    left: 10%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.card-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xs);
}

.card-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.card-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-top: var(--space-sm);
    display: inline-block;
}

.status-complete {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.status-success {
    background: var(--color-success-100);
    color: var(--color-success-700);
}

.card-progress {
    width: 120px;
    height: 8px;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: var(--space-sm) 0;
}

.progress-bar {
    height: 100%;
    width: var(--progress);
    background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-500));
    border-radius: var(--radius-full);
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-slow);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
}

.feature-portfolio .feature-icon {
    background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
    color: var(--color-primary-600);
}

.feature-sca .feature-icon {
    background: linear-gradient(135deg, var(--color-secondary-100), var(--color-secondary-200));
    color: var(--color-secondary-600);
}

.feature-akt .feature-icon {
    background: linear-gradient(135deg, var(--color-success-100), var(--color-success-200));
    color: var(--color-success-600);
}

.feature-card h3 {
    margin-bottom: var(--space-md);
}

.feature-card > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

.feature-list {
    margin-bottom: var(--space-lg);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
}

.feature-list .check {
    color: var(--color-success-500);
    font-weight: 700;
}

.badge {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    margin-left: auto;
}

.badge-free {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.badge-pro {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-primary-600);
}

.feature-link:hover {
    gap: var(--space-md);
}

/* ============================================
   How It Works
   ============================================ */

.how-it-works {
    padding: var(--space-4xl) 0;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step {
    text-align: center;
    max-width: 220px;
    padding: 0 var(--space-md);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-md);
}

.step h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.step p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.step-connector {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-200), var(--color-primary-300));
    margin-top: 24px;
}

/* ============================================
   Testimonials
   ============================================ */

.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--color-gray-100);
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-500));
    color: white;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

.author-role {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
}

.cta-content {
    text-align: center;
    color: white;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: var(--color-gray-400);
}

.footer-links h4 {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-800);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
        max-width: 100%;
    }
    
    .content-page .container {
        max-width: 100%;
        padding: 0 var(--space-md);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
        max-width: 100%;
    }
    
    .content-page .container {
        max-width: 100%;
        padding: 0 var(--space-md);
    }
    
    .nav-links,
    .nav-auth {
        display: none;
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
        gap: var(--space-xl);
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

    .btn-lg {
        width: 100%;
    }
}

/* ============================================
   Animations
   ============================================ */

/* Scroll-triggered animations */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for grid items */
.features-grid .animate-ready:nth-child(1) { transition-delay: 0ms; }
.features-grid .animate-ready:nth-child(2) { transition-delay: 100ms; }
.features-grid .animate-ready:nth-child(3) { transition-delay: 200ms; }

.testimonials-grid .animate-ready:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .animate-ready:nth-child(2) { transition-delay: 100ms; }
.testimonials-grid .animate-ready:nth-child(3) { transition-delay: 200ms; }

.steps .animate-ready:nth-child(1) { transition-delay: 0ms; }
.steps .animate-ready:nth-child(2) { transition-delay: 100ms; }
.steps .animate-ready:nth-child(3) { transition-delay: 200ms; }
.steps .animate-ready:nth-child(4) { transition-delay: 300ms; }

/* Navbar scroll state */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

/* Active nav link */
.nav-links a.active {
    color: var(--color-primary-600);
}