/* Nestling - Premium Design System */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Refined Autumn Palette */
    --warmth-100: #fdfbf7;
    --warmth-200: #f8f3ea;
    --warmth-300: #f0e6d6;
    --warmth-400: #e8d9c4;
    --warmth-500: #d4b895;
    --warmth-600: #c19a6b;
    --warmth-700: #a67c52;
    --warmth-800: #8b6239;

    /* Neutrals */
    --stone-50: #fafaf9;
    --stone-100: #f5f5f4;
    --stone-200: #e7e5e4;
    --stone-300: #d6d3d1;
    --stone-400: #a8a29e;
    --stone-500: #78716c;
    --stone-600: #57534e;
    --stone-700: #44403c;
    --stone-800: #292524;
    --stone-900: #1c1917;

    /* Accents */
    --sage-500: #a8b5a0;
    --sage-600: #8a9b80;
    --terracotta-500: #d4a574;
    --terracotta-600: #b88a5e;

    /* Semantic */
    --background: var(--warmth-100);
    --surface: #ffffff;
    --surface-elevated: rgba(255, 255, 255, 0.95);
    --border: rgba(212, 184, 149, 0.12);
    --border-strong: rgba(212, 184, 149, 0.24);

    --text-primary: var(--stone-900);
    --text-secondary: var(--stone-600);
    --text-tertiary: var(--stone-400);

    --accent-primary: var(--warmth-600);
    --accent-secondary: var(--warmth-500);
    --accent-hover: var(--warmth-700);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

    /* 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;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 400;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 500;
}

p {
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253, 251, 247, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(253, 251, 247, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--warmth-600) 0%, var(--warmth-700) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(193, 154, 107, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(193, 154, 107, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--warmth-200);
    border-color: var(--accent-primary);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* Hero */
.hero {
    padding: 10rem 2rem 6rem;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--stone-900) 0%, var(--warmth-800) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-visual {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 2rem 0;
}

.mockup {
    background: linear-gradient(135deg, var(--warmth-200) 0%, var(--warmth-300) 100%);
    border-radius: 1.5rem;
    padding: 4rem 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.mockup::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 184, 149, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.mockup-content {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    position: relative;
    z-index: 1;
}

/* Stats */
.stats {
    max-width: 1280px;
    margin: -2rem auto 6rem;
    padding: 0 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    background: var(--surface);
    border-radius: 1.5rem;
    padding: 3rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* Section */
.section {
    padding: 6rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1.25rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    stroke-width: 1.5;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 3rem;
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: linear-gradient(135deg, var(--warmth-600), var(--warmth-700));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 1rem;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.plan-price {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4rem;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.plan-price span {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-tertiary);
    font-weight: 500;
}

.plan-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.plan-features li svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Testimonials */
.testimonials {
    background: var(--surface);
    border-radius: 2rem;
    padding: 4rem;
    margin: 4rem 0;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.testimonial {
    padding: 2rem;
    background: var(--warmth-200);
    border-radius: 1rem;
    border-left: 3px solid var(--accent-primary);
}

.testimonial-quote {
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--warmth-500), var(--warmth-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* CTA */
.cta-section {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--warmth-200) 0%, var(--warmth-300) 100%);
    border-radius: 2rem;
    margin: 4rem 0;
    border: 1px solid var(--border);
}

.cta-section h2 {
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background: var(--stone-900);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 2rem 2rem;
    margin-top: 8rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.2s ease;
    font-size: 0.9375rem;
}

.footer-section a:hover {
    color: var(--warmth-400);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1.5rem;
    }

    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .section {
        padding: 4rem 1.5rem;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 2rem;
    }
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}