/* Surfshack Software Services - Main Stylesheet */

:root {
    /* Colors - Ocean/Surf inspired palette */
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-primary-light: #38bdf8;
    --color-secondary: #06b6d4;
    --color-accent: #f97316;

    /* Neutrals */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-inverse: #ffffff;
    --color-border: #e2e8f0;

    /* Gradients */
    --gradient-ocean: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    --gradient-sunset: linear-gradient(135deg, #f97316 0%, #fb923c 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

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

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container.narrow {
    max-width: 800px;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
}

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

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

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

.language-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-size: 0.875rem;
    cursor: pointer;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--gradient-ocean);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-ocean);
    color: var(--color-text-inverse);
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-accent {
    display: block;
    color: rgba(255, 255, 255, 0.9);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-cta .btn-primary {
    background: var(--color-text-inverse);
    color: var(--color-primary);
}

.hero-cta .btn-secondary {
    border-color: var(--color-text-inverse);
    color: var(--color-text-inverse);
}

.hero-cta .btn-secondary:hover {
    background: var(--color-text-inverse);
    color: var(--color-primary);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='%23ffffff' d='M0,50 C360,100 720,0 1080,50 C1260,75 1380,75 1440,50 L1440,100 L0,100 Z'/%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-light);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Page Header */
.page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: var(--gradient-ocean);
    color: var(--color-text-inverse);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.page-header .lead {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.about-content {
    padding: var(--spacing-3xl) 0;
}

.about-section {
    margin-bottom: var(--spacing-3xl);
}

.about-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

.about-section p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    background: var(--color-bg-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-badge {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
}

/* Contact Page */
.contact-content {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-lg);
}

.contact-info > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-method h4 {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.contact-form-container {
    background: var(--color-bg-alt);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-control {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.field-validation-error {
    color: #ef4444;
    font-size: 0.875rem;
}

.validation-summary {
    background: #fef2f2;
    color: #dc2626;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

/* Thank You Page */
.thank-you-page {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.thank-you-content {
    max-width: 500px;
    margin: 0 auto;
}

.thank-you-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.thank-you-page h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.thank-you-page p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.thank-you-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Blog */
.blog-content {
    padding: var(--spacing-3xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--spacing-lg);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.separator {
    opacity: 0.5;
}

.blog-card h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.blog-card h2 a {
    color: var(--color-text);
}

.blog-card h2 a:hover {
    color: var(--color-primary);
}

.blog-card > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.read-more {
    font-weight: 500;
    font-size: 0.9375rem;
}

/* Blog Post */
.blog-post-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: var(--gradient-ocean);
    color: var(--color-text-inverse);
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.blog-post-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.blog-post-description {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.blog-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.blog-post-tags .tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-inverse);
}

.blog-post-featured-image {
    margin-top: calc(-1 * var(--spacing-xl));
    margin-bottom: var(--spacing-2xl);
}

.blog-post-featured-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.blog-post-content {
    padding: var(--spacing-2xl) 0;
}

/* Prose */
.prose {
    font-size: 1.125rem;
    line-height: 1.75;
}

.prose h2 {
    font-size: 1.75rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.prose h3 {
    font-size: 1.375rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.prose p {
    margin-bottom: var(--spacing-lg);
}

.prose ul, .prose ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.prose li {
    margin-bottom: var(--spacing-sm);
}

.prose code {
    background: var(--color-bg-alt);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.prose pre {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.prose pre code {
    background: none;
    padding: 0;
}

.prose blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    color: var(--color-text-light);
    font-style: italic;
}

/* Blog Navigation */
.blog-post-navigation {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
}

.nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.nav-link {
    display: block;
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.nav-link:hover .nav-label,
.nav-link:hover .nav-title {
    color: var(--color-text-inverse);
}

.nav-prev {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.nav-title {
    display: block;
    font-weight: 600;
    color: var(--color-text);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h2 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-light);
}

/* Error Page */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.error-page h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.error-message {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* Content Page */
.content-page {
    padding: var(--spacing-3xl) 0;
}

/* Footer */
.site-footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-brand {
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.9);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.version {
    font-family: monospace;
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .nav-actions {
        display: none;
    }

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

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

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