/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
   :root {
    --brand-bg: #F9F8F5;
    --brand-text: #2C302E;
    --brand-accent: #DC7633;
    --brand-accent-hover: #c46123;
    --brand-muted: #7A7A7A;
    --brand-border: rgba(226, 224, 216, 0.4);
    --brand-border-solid: #E2E0D8;
    
    --font-serif: "Cormorant Garamond", serif;
    --font-sans: "Montserrat", sans-serif;
}

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

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

body {
    background-color: var(--brand-bg);
    color: var(--brand-text);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--brand-accent);
    color: white;
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   Layout Helpers
   ========================================================================== */
.container {
    max-w-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.max-w-md { max-width: 800px; }
.form-container { max-width: 670px; }

.text-center { text-align: center; }
.mb-lg { margin-bottom: 4rem; }
.mb-md { margin-bottom: 3rem; }

.section {
    padding: 6rem 1.5rem;
}

@media (min-width: 768px) {
    .section { padding: 9rem 4rem; }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    transition: all 0.5s ease;
    color: white;
    background-color: transparent;
}

@media (min-width: 768px) {
    .header { padding: 1.5rem 4rem; }
}

.header.scrolled {
    background-color: var(--brand-bg);
    color: var(--brand-text);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.logo-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: 100;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.logo-subtitle {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    opacity: 0.8;
    padding-left: 0.25rem;
    transition: opacity 0.3s ease;
}

.logo-group:hover .logo-subtitle {
    opacity: 1;
}

.desktop-nav {
    display: none;
    gap: 2.5rem;
    z-index: 10;
}

@media (min-width: 768px) {
    .desktop-nav { display: flex; }
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    z-index: 100;
}

@media (min-width: 768px) {
    .mobile-menu-btn { display: none; }
}

.mobile-menu {
    position: fixed;
    inset: 0;
    background-color: var(--brand-bg);
    color: var(--brand-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 40;
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 1rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: white;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

@media (min-width: 768px) {
    .hero-title { font-size: 4.5rem; }
}
@media (min-width: 1024px) {
    .hero-title { font-size: 5.5rem; }
}

/* ==========================================================================
   Typography Helpers
   ========================================================================== */
.section-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    color: var(--brand-text);
    font-weight: 400;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .section-title { font-size: 2.75rem; }
}

.section-text {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--brand-muted);
    font-weight: 300;
    line-height: 1.8;
}

@media (min-width: 768px) {
    .section-text { font-size: 1.25rem; }
}

/* ==========================================================================
   Ideology Section
   ========================================================================== */
.ideology-section .section-title {
    margin-bottom: 2rem;
}

/* ==========================================================================
   Materials Section
   ========================================================================== */
.materials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    row-gap: 4rem;
}

@media (min-width: 768px) {
    .materials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .materials-grid { grid-template-columns: repeat(3, 1fr); }
}

.material-card {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.material-img-wrapper {
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: 6px;
    background-color: transparent;
}

.material-img-wrapper.metal-bg {
    background-color: black;
}

.material-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.material-img-wrapper .mix-blend {
    opacity: 0.9;
    mix-blend-mode: lighten;
}

.material-card:hover .material-img-wrapper img {
    transform: scale(1.05);
}

.material-title {
    margin-top: 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--brand-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 400;
}

/* ==========================================================================
   Process Section
   ========================================================================== */
.process-section {
    border-top: 1px solid var(--brand-border);
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .process-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

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

.process-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem auto;
    border-radius: 50%;
    border: 1px solid var(--brand-border-solid);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-accent);
    transition: border-color 0.3s ease;
}

.process-card:hover .process-icon {
    border-color: var(--brand-accent);
}

.process-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 1.5;
}

.process-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--brand-text);
    margin-bottom: 1rem;
    font-weight: 400;
}

.process-text {
    font-family: var(--font-serif);
    color: var(--brand-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    font-weight: 300;
}

/* ==========================================================================
   Inquire Form Section
   ========================================================================== */
.inquire-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.875rem;
    color: var(--brand-muted);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: transparent;
    border: 1px solid var(--brand-border-solid);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--brand-text);
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    color: var(--brand-muted);
}

.select-icon {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 1rem;
    display: flex;
    align-items: center;
    pointer-events: none;
    color: var(--brand-muted);
}

.select-icon svg {
    width: 1rem;
    height: 1rem;
}

.form-submit {
    padding-top: 1.5rem;
    text-align: center;
}

.btn-submit {
    background-color: var(--brand-accent);
    color: white;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 3rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background-color: var(--brand-accent-hover);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--brand-border);
    text-align: center;
    position: relative;
}

.footer p {
    font-family: var(--font-serif);
    font-size: 0.75rem;
    color: var(--brand-muted);
    letter-spacing: 0.05em;
}

.floating-logo {
    display: none;
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 2.5rem;
    height: 2.5rem;
    background-color: #3B3A36;
    color: #EBE9E0;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    z-index: 40;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
}

@media (min-width: 768px) {
    .floating-logo { display: flex; }
}

.floating-logo:hover {
    transform: scale(1.05);
}