/* 
   Kwenda Design System & Base CSS 
   Typography: Outfit (Headings), Inter (Body)
   Colors: Sunset Gold Gradient (Amber -> Gold -> Red) on Dark background
*/

:root {
    /* Colors */
    --clr-bg: #0a0a0c;
    --clr-surface: #121319;
    --clr-surface-elevated: #1a1c24;
    --clr-surface-border: rgba(255, 255, 255, 0.08);
    --clr-surface-border-hover: rgba(245, 158, 11, 0.3);
    
    --clr-text-primary: #f8fafc;
    --clr-text-secondary: #94a3b8;
    --clr-text-muted: #64748b;
    
    --clr-amber: #D97706;
    --clr-gold: #F59E0B;
    --clr-red: #EF4444;
    
    --gradient-primary: linear-gradient(135deg, var(--clr-amber), var(--clr-gold), var(--clr-red));
    --gradient-glow: radial-gradient(circle at center, rgba(245, 158, 11, 0.15), transparent 70%);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 8rem;
    
    --container-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Animation */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
    color: var(--clr-text-primary);
}

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

ul {
    list-style: none;
}

button {
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    background: none;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-padding {
    padding: var(--spacing-2xl) 0;
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.text-muted { color: var(--clr-text-muted); }
.sm-text { font-size: 0.875rem; }
.text-xl { font-size: 1.5rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.gray-bg {
    background-color: var(--clr-surface);
}

/* Glassmorphism & Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--clr-surface-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: var(--clr-surface-border-hover);
    box-shadow: 0 10px 30px -10px rgba(245, 158, 11, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid var(--clr-surface-border);
}

.btn-secondary:hover {
    border-color: var(--clr-gold);
    background: rgba(245, 158, 11, 0.05);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-surface-border);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.logo-route-line {
    position: relative;
    width: 40px;
    height: 20px;
    display: flex;
    align-items: center;
}

.logo-route-line .route-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.logo-route-line .route-path {
    fill: none;
    stroke: url(#gradient-stroke) #F59E0B; /* Fallback */
    stroke-width: 2.5;
    stroke-linecap: round;
}

.dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    z-index: 2;
}

.dot-origin { left: 0; background-color: var(--clr-amber); bottom: 2px; }
.dot-transit { left: 50%; background-color: var(--clr-gold); top: 2px; transform: translateX(-50%); }
.dot-dest { right: 0; background-color: var(--clr-red); bottom: 2px; }

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--clr-text-secondary);
}

.nav-link:hover {
    color: var(--clr-text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    color: var(--clr-text-primary);
    font-size: 1.5rem;
}

/* Sections Base */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--clr-text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.5;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    left: 10%;
    width: 80%;
    height: 80%;
    background: var(--gradient-glow);
    border-radius: 50%;
    z-index: -1;
    filter: blur(100px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.passport-card {
    position: relative;
    padding: 2rem;
    background: rgba(18, 19, 25, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    box-shadow: -20px 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(245, 158, 11, 0.1);
    transition: transform 0.5s ease;
}

.passport-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.passport-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--clr-surface-border);
}

.passport-label {
    font-size: 0.875rem;
    color: var(--clr-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.passport-score {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--clr-gold);
}

.passport-total {
    font-size: 1.5rem;
    color: var(--clr-text-muted);
}

.passport-flag {
    font-size: 3rem;
    line-height: 1;
}

.passport-stats {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.stat-dot.green { background-color: #22c55e; }
.stat-dot.blue { background-color: #3b82f6; }
.stat-dot.gold { background-color: var(--clr-gold); box-shadow: 0 0 10px rgba(245, 158, 11, 0.5); }

.stat-value {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    min-width: 30px;
}

.stat-label {
    color: var(--clr-text-secondary);
}

/* Split Layouts */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split-text .section-title {
    margin-bottom: 1.5rem;
}

.split-text p {
    color: var(--clr-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.blockquote {
    font-size: 1.25rem !important;
    color: var(--clr-text-primary) !important;
    font-family: var(--font-heading);
    border-left: 4px solid var(--clr-gold);
    padding-left: 1.5rem;
    margin-top: 2rem;
}

.abstract-visual {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glow-sphere {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
}

.glow-sphere.amber { background: var(--clr-amber); top: 10%; left: 20%; opacity: 0.5; }
.glow-sphere.red { background: var(--clr-red); bottom: 10%; right: 20%; opacity: 0.5; }

.glass-panel {
    background: rgba(20, 21, 28, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 3rem;
    border-radius: var(--radius-lg);
    z-index: 1;
    position: relative;
    max-width: 400px;
}

.phonetic {
    color: var(--clr-text-secondary);
    font-weight: 400;
    font-size: 1.25rem;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step-card {
    position: relative;
    padding-top: 3rem;
}

.step-icon {
    font-size: 2rem;
    color: var(--clr-gold);
    margin-bottom: 1.5rem;
}

.step-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255,255,255,0.05);
    line-height: 1;
}

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

.step-card p {
    color: var(--clr-text-secondary);
    font-size: 0.9375rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

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

.feature-card p {
    color: var(--clr-text-secondary);
    font-size: 0.9375rem;
}

/* Trust Badges */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

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

.badge-icon {
    font-size: 2.5rem;
    color: var(--clr-text-secondary);
    margin-bottom: 1rem;
}

.trust-badge h4 {
    margin-bottom: 0.5rem;
}

.trust-badge p {
    color: var(--clr-text-muted);
    font-size: 0.875rem;
}

.confidence-box {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.confidence-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.confidence-circle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #22c55e;
}

.progress-bar-container {
    height: 8px;
    background: var(--clr-surface-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #22c55e;
    border-radius: var(--radius-full);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: left;
}

.testimonial-content {
    font-size: 1rem;
    color: var(--clr-text-secondary);
    margin-bottom: 2rem;
    position: relative;
    padding-top: 1.5rem;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: -5px;
    font-family: var(--font-heading);
    font-size: 4rem;
    color: rgba(245, 158, 11, 0.2);
    line-height: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.flex-avatars {
    background: transparent;
}
.flex-avatars span {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--clr-surface-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    margin-left: -8px;
    border: 2px solid var(--clr-bg);
}
.flex-avatars span:first-child { margin-left: 0; background: var(--clr-amber); }
.flex-avatars span:nth-child(2) { background: var(--clr-gold); }
.flex-avatars span:nth-child(3) { background: var(--clr-red); }

.author-info h4 {
    font-size: 1rem;
    margin: 0;
}

.author-info span {
    font-size: 0.875rem;
    color: var(--clr-text-muted);
}

/* FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    padding: 1.5rem;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--clr-text-primary);
    text-align: left;
}

.faq-question i {
    color: var(--clr-gold);
    transition: transform var(--transition-normal);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), margin-top var(--transition-normal);
}

.faq-answer p {
    color: var(--clr-text-secondary);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    margin-top: 1rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* CTA Section */
.cta-card {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(to bottom, rgba(255,255,255,0.02), rgba(245, 158, 11, 0.05));
    border-color: rgba(245, 158, 11, 0.2);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--clr-text-secondary);
    margin-top: 1.5rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--clr-surface-border);
    padding: 4rem 0 2rem;
    background-color: #050507;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-group h4 {
    color: var(--clr-text-primary);
    margin-bottom: 0.5rem;
}

.link-group a {
    color: var(--clr-text-secondary);
    font-size: 0.9375rem;
}

.link-group a:hover {
    color: var(--clr-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-surface-border);
    color: var(--clr-text-muted);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.25rem;
    color: var(--clr-text-secondary);
}

.social-links a:hover {
    color: var(--clr-gold);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .hero-content, .split-layout { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .passport-card { transform: none; box-shadow: 0 10px 40px rgba(0,0,0,0.5); }
    .passport-card:hover { transform: none; }
    
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-badges { grid-template-columns: repeat(1, 1fr); }
    .testimonials-grid { grid-template-columns: 1fr; }
    
    .footer-top { flex-direction: column; gap: 3rem; }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .btn { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .steps-grid, .features-grid { grid-template-columns: 1fr; }
    
    .cta-buttons { display: flex; flex-direction: column; }
    .cta-card { padding: 3rem 1.5rem; }
}