/* ===================================
   FYN - Main Styles
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #0066ff;
    --color-secondary: #00d4ff;
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-border: #e5e5e5;
    
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --border-radius: 8px;
    --transition: all 0.3s ease;
    
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav__logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav__menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section:nth-child(even) {
    background-color: var(--color-bg-alt);
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.section__text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Features Grid */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.feature__text {
    color: var(--color-text-light);
}

/* Contact Form */
.contact__form {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form__status {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
}

.form__status.success {
    background-color: #d4edda;
    color: #155724;
}

.form__status.error {
    background-color: #f8d7da;
    color: #721c24;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn--primary:hover {
    background-color: #0052cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn--secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

/* Footer */
.footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer__links {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.footer__links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer__links a:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .nav__menu {
        gap: var(--spacing-sm);
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .hero__cta {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}