/* ========================================
   Global Styles
   ======================================== */

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

:root {
    --primary-black: #000;
    --secondary-black: #1a1a1a;
    --dark-gray: #333;
    --medium-gray: #666;
    --light-gray: #f5f5f5;
    --white: #fff;
    --accent-gray: #999;
    
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 5rem;
    --spacing-4xl: 6rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.5px;
}

h1 {
    font-size: var(--font-size-4xl);
    line-height: 1.1;
}

h2 {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
}

h3 {
    font-size: var(--font-size-xl);
}

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

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

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-lg);
}

.divider {
    width: 60px;
    height: 2px;
    background-color: var(--primary-black);
    margin: 0 auto;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
}

.nav-link {
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-black);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--primary-black);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

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

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
    margin-top: 60px;
    padding: var(--spacing-lg);
    min-height: 600px;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    color: var(--primary-black);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--medium-gray);
    margin-bottom: var(--spacing-2xl);
    font-weight: 300;
    letter-spacing: 0.5px;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background-color: var(--primary-black);
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 2px solid var(--primary-black);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
}

.cta-button:hover {
    background-color: var(--white);
    color: var(--primary-black);
}

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

.about {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--white);
}

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

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--medium-gray);
}

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

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

.stat-item h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-black);
}

.stat-item p {
    font-size: var(--font-size-base);
    color: var(--accent-gray);
    font-weight: 500;
}

/* ========================================
   Philosophy Section
   ======================================== */

.philosophy {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--light-gray);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.philosophy-card {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.philosophy-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

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

.philosophy-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.philosophy-card p {
    color: var(--medium-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========================================
   Collection Section
   ======================================== */

.collection {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--white);
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

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

.collection-image {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    transition: var(--transition);
}

.collection-item:hover .collection-image {
    transform: scale(1.02);
}

.collection-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--dark-gray);
    opacity: 0.6;
    text-transform: uppercase;
}

.collection-item h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.collection-item p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.process {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--light-gray);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    align-items: start;
}

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

.process-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.process-item h3 {
    margin-bottom: var(--spacing-md);
}

.process-item p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

.process-arrow {
    display: none;
    font-size: var(--font-size-2xl);
    color: var(--accent-gray);
    align-self: center;
}

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

.contact {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background-color: var(--white);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.info-item h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-item p {
    color: var(--medium-gray);
    line-height: 1.8;
}

.info-item a {
    color: var(--primary-black);
    font-weight: 500;
}

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

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    background-color: var(--light-gray);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
    color: var(--dark-gray);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-black);
    background-color: var(--white);
}

.submit-button {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--primary-black);
    color: var(--white);
    border: 2px solid var(--primary-black);
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.submit-button:hover {
    background-color: var(--white);
    color: var(--primary-black);
}

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

.footer {
    background-color: var(--secondary-black);
    color: var(--white);
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 1.875rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }

    .nav-menu {
        gap: var(--spacing-lg);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: var(--spacing-xl) 0;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: var(--spacing-md) 0;
    }

    .hero {
        min-height: 60vh;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

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

    .collection-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

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

@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --font-size-xl: 1.25rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 1.5rem;
        --spacing-3xl: 1.5rem;
        --spacing-4xl: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        padding: var(--spacing-md) var(--spacing-md);
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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