/* 
 * Stripe-inspired design system
 * Clean, professional, minimal
 */

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

:root {
    /* Stripe color palette */
    --primary: #635bff;
    --primary-light: #7a73ff;
    --primary-dark: #5046e5;
    --accent-cyan: #00d4ff;
    --accent-pink: #ff6ec7;
    --accent-orange: #ff9500;
    
    /* Neutrals - Stripe uses very subtle grays */
    --gray-50: #f6f9fc;
    --gray-100: #e6ebf1;
    --gray-200: #d8dee5;
    --gray-400: #8898aa;
    --gray-500: #697386;
    --gray-600: #525f7f;
    --gray-700: #3c4257;
    --gray-800: #2a2f45;
    --gray-900: #1a1f36;
    
    --white: #ffffff;
    --black: #0a2540;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #635bff 0%, #00d4ff 100%);
    --gradient-hero: linear-gradient(180deg, #f6f9fc 0%, #ffffff 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Ubuntu, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Stripe style */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--black);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
    font-size: 1.0625rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

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

/* Layout */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section-gray {
    background: var(--gray-50);
}

.section-dark {
    background: var(--black);
    color: var(--white);
    text-align: center;
}

.section-dark h2,
.section-dark p {
    color: var(--white);
}

.section-dark p {
    color: var(--gray-400);
}

/* Navigation - Stripe style */
.nav {
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--black);
    letter-spacing: -0.02em;
}

.nav-logo:hover {
    text-decoration: none;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.15s ease;
}

.nav-links a:hover {
    color: var(--black);
    text-decoration: none;
}

/* Buttons - Stripe style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    border: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--black);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: var(--gray-800);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

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

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

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

.btn-gradient {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(99, 91, 255, 0.3);
}

.btn-gradient:hover {
    box-shadow: 0 6px 20px rgba(99, 91, 255, 0.4);
}

/* Hero - Stripe inspired */
.hero {
    padding: 5rem 0 6rem;
    text-align: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--black);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 650px;
    margin: 0 auto 2.5rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.hero-cta {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-proof {
    font-size: 0.9375rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Section headers */
.section-intro {
    font-size: 1.25rem;
    max-width: 600px;
    color: var(--gray-600);
}

.section-outro {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* Problem List - Stripe card style */
.problem-list {
    list-style: none;
    margin: 2.5rem 0;
    padding-left: 0;
    max-width: 600px;
}

.problem-list li {
    padding: 1.25rem 1.5rem;
    padding-left: 3rem;
    position: relative;
    font-size: 1.0625rem;
    color: var(--gray-700);
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.problem-list li:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.problem-list li::before {
    content: "?";
    position: absolute;
    left: 1.25rem;
    color: var(--primary);
    font-weight: 700;
}

/* Features Grid - Stripe style */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature {
    text-align: left;
    padding: 2rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.feature:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    display: inline-block;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature h3 {
    color: var(--black);
    margin-bottom: 0.5rem;
}

.feature p {
    font-size: 0.9375rem;
    margin-bottom: 0;
    color: var(--gray-500);
}

/* CTA Box */
.cta-box {
    text-align: center;
    margin-top: 3rem;
}

/* Destinations - Card style */
.destinations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.destination {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    border: 1px solid var(--gray-100);
}

.destination:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-3px);
    border-color: transparent;
}

.destination-flag {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
}

.destination h3 {
    margin-bottom: 0.5rem;
    color: var(--black);
}

.destination p {
    font-size: 0.875rem;
    margin-bottom: 0;
    color: var(--gray-500);
}

/* Steps - Stripe style */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 1rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.step h3 {
    color: var(--black);
}

.step p {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

/* FAQ - Clean cards */
.faq {
    max-width: 680px;
}

.faq-item {
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    color: var(--black);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.faq-item p {
    margin-bottom: 0;
    color: var(--gray-500);
}

/* Photo Gallery - Clean grid */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.photo-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.photo-gallery img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

@media (max-width: 768px) {
    .photo-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .photo-gallery img {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .photo-gallery img {
        height: 130px;
        border-radius: 8px;
    }
}

/* Footer - Minimal */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.footer p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer a {
    color: var(--gray-500);
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: 3rem 0 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .features {
        gap: 1rem;
    }
    
    .feature {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a:not(.btn) {
        display: none;
    }
}