/* ==========================================================================
   Design System - Swiss Style Minimalist
   ========================================================================== */

:root {
    /* Colors */
    --color-bg: #FAFAF9;
    --color-bg-alt: #F5F5F4;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --color-accent: #84A98C;
    --color-accent-light: #E0E7FF;
    --color-border: #E5E5E5;
    --color-white: #FFFFFF;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Border Radius */
    --radius: 4px;

    /* Transitions */
    --transition: 0.2s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-accent);
}

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    margin-bottom: var(--space-sm);
}

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

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--space-3xl) 0;
}

/* ==========================================================================
   Components - Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #6B8E73;
    border-color: #6B8E73;
    color: var(--color-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-block {
    width: 100%;
}

.btn-link {
    color: var(--color-text);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

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

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: calc(var(--space-3xl) + 60px);
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ==========================================================================
   About Section
   ========================================================================== */

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.5fr;
    }
}

.about-image {
    display: flex;
    justify-content: center;
}

.portrait {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius);
    filter: grayscale(20%);
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-md);
}

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

.credentials {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-bg);
    border-radius: var(--radius);
}

.credentials h3 {
    font-size: 1rem;
    font-family: var(--font-sans);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.credentials ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.credentials li {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    padding-left: var(--space-sm);
    position: relative;
}

.credentials li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.signature {
    margin-top: var(--space-lg);
}

.signature span {
    font-family: 'Brush Script MT', 'Segoe Script', cursive;
    font-size: 1.75rem;
    color: var(--color-text);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-lg);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: background-color var(--transition);
}

.service-card:hover {
    background-color: var(--color-bg-alt);
}

.service-icon {
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.service-card h3 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ==========================================================================
   Process / Timeline Section
   ========================================================================== */

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

.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.timeline-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.timeline-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 50%;
}

.timeline-content h3 {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
    background-color: var(--color-bg);
}

.faq-list {
    max-width: 800px;
    margin: var(--space-xl) auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    padding: var(--space-md) 0;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding-bottom: var(--space-md);
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.contact-item {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.contact-item a {
    color: var(--color-text-light);
}

.contact-item a:hover {
    color: var(--color-accent);
}

.map-container {
    margin-top: var(--space-lg);
}

.map-placeholder {
    width: 100%;
    height: 200px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

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

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    color: var(--color-text-light);
    transition: color var(--transition);
}

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

/* ==========================================================================
   Mobile Responsive
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

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

    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--space-3xl) + 20px) var(--space-lg) var(--space-lg);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .nav-link {
        padding: var(--space-sm) 0;
        font-size: 1rem;
    }

    .nav .btn-outline {
        margin-top: var(--space-md);
        width: 100%;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--space-2xl) + 80px);
        padding-bottom: var(--space-2xl);
    }

    .hero-actions {
        flex-direction: column;
    }

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

/* Menu toggle animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Body scroll lock when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

    html {
        scroll-behavior: auto;
    }
}