/* ===========================
   Variables & Reset
   =========================== */

:root {
    /* Colors - Warm Industrial Palette */
    --color-steel-dark: #2a2a2a;
    --color-steel: #3f3f3f;
    --color-steel-light: #666666;
    --color-iron: #8a8a8a;
    --color-silver: #b8b8b8;
    
    --color-rust: #a8654a;
    --color-rust-light: #c88860;
    --color-copper: #b87653;
    
    --color-warm-white: #fafaf8;
    --color-cream: #f5f3ef;
    --color-sand: #e8e4dc;
    
    --color-accent: var(--color-rust);
    --color-text: var(--color-steel-dark);
    --color-text-light: var(--color-steel-light);
    --color-bg: var(--color-warm-white);
    --color-bg-alt: var(--color-cream);
    
    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Borders */
    --border-width: 1px;
    --border-radius: 2px;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-steel-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
}

/* ===========================
   Container & Layout
   =========================== */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-width) solid var(--color-sand);
    z-index: 1000;
    transition: transform var(--transition-base);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-steel-dark);
    letter-spacing: 0.5px;
}

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

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-steel);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-steel-dark);
    transition: var(--transition-base);
}

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

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

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

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-steel-light);
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50%;
    opacity: 0.15;
    pointer-events: none;
}

.hero-accent {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%) rotate(15deg);
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-rust) 0%, var(--color-copper) 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: float 20s ease-in-out infinite;
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-rust-light);
    border-color: var(--color-rust-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(168, 101, 74, 0.2);
}

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

.btn-secondary:hover {
    background: var(--color-steel-dark);
    color: white;
    transform: translateY(-2px);
}

/* ===========================
   Products Section
   =========================== */

.products {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: white;
    border: var(--border-width) solid var(--color-sand);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-cream);
}

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

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

.product-overlay {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
}

.product-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    color: var(--color-steel-dark);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.product-info p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.product-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-accent);
    font-weight: 500;
    transition: transform var(--transition-fast);
}

.product-link:hover {
    transform: translateX(5px);
}

.product-card-custom {
    background: var(--color-cream);
    border: 2px dashed var(--color-silver);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-info-centered {
    text-align: center;
    padding: var(--spacing-lg);
}

.custom-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

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

.process {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

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

.process-step {
    text-align: center;
    animation: fadeInUp 0.8s ease;
    animation-fill-mode: both;
}

.process-step:nth-child(1) { animation-delay: 0.1s; }
.process-step:nth-child(2) { animation-delay: 0.2s; }
.process-step:nth-child(3) { animation-delay: 0.3s; }
.process-step:nth-child(4) { animation-delay: 0.4s; }

.process-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background: white;
    color: var(--color-accent);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    border: 2px solid var(--color-accent);
}

.process-step h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.process-step p {
    color: var(--color-text-light);
    margin: 0;
}

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

.about {
    padding: var(--spacing-xl) 0;
    background: white;
}

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

.about-text {
    max-width: 600px;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-intro {
    font-size: 1.2rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-steel-light);
}

.about-features {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.8rem 1.5rem;
    background: var(--color-cream);
    border-radius: var(--border-radius);
    font-weight: 500;
    color: var(--color-steel-dark);
}

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

.about-visual {
    position: relative;
}

.about-image-placeholder {
    aspect-ratio: 3 / 4;
    background: var(--color-cream);
    border: 2px dashed var(--color-silver);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-iron);
    font-size: 1.2rem;
}

/* ===========================
   Blog Section
   =========================== */

.blog {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

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

.blog-card {
    background: white;
    border: var(--border-width) solid var(--color-sand);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.blog-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-cream);
}

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

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

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

.blog-date {
    display: block;
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.blog-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.blog-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.blog-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-accent);
    font-weight: 500;
    transition: transform var(--transition-fast);
}

.blog-link:hover {
    transform: translateX(5px);
}

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

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-sm);
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-steel-light);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-detail {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.contact-detail div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-detail strong {
    font-weight: 600;
    color: var(--color-steel-dark);
}

.contact-detail a {
    color: var(--color-steel-light);
    transition: color var(--transition-fast);
}

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

.contact-note {
    padding: var(--spacing-sm);
    background: white;
    border-left: 3px solid var(--color-accent);
    border-radius: var(--border-radius);
}

.contact-note p {
    margin: 0;
    color: var(--color-steel-light);
    font-size: 0.95rem;
}

/* Contact Form */

.contact-form {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: var(--border-width) solid var(--color-sand);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-steel-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: var(--border-width) solid var(--color-sand);
    border-radius: var(--border-radius);
    background: var(--color-warm-white);
    color: var(--color-steel-dark);
    transition: all var(--transition-fast);
}

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

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

.contact-form .btn {
    width: 100%;
}

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

.footer {
    background: var(--color-steel-dark);
    color: var(--color-silver);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--color-silver);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-silver);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: var(--border-width) solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: var(--color-iron);
    font-size: 0.9rem;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(-50%) rotate(15deg);
    }
    50% {
        transform: translateY(-45%) rotate(18deg);
    }
}

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

@media (max-width: 968px) {
    .hero {
        min-height: 70vh;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-visual {
        width: 40%;
        opacity: 0.08;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-warm-white);
        padding: var(--spacing-md);
        border-bottom: var(--border-width) solid var(--color-sand);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .products-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero {
        min-height: 60vh;
    }
    
    .about-features {
        flex-direction: column;
    }
    
    .feature-item {
        width: 100%;
        justify-content: center;
    }
}