/* ==========================================================================
   URBAN FRILL STUDIO - SYSTEM DESIGN TOKENS (LUXURY MINIMAL)
   ========================================================================== */

:root {
    --cls-warm-white: #FAF9F6;
    --cls-soft-beige: #F4F1EA;
    --cls-light-grey: #EAEAEA;
    --cls-charcoal: #1C1C1C;
    --cls-muted-brown: #7D6B5D;
    --cls-text-dark: #2C2C2C;
    --cls-text-muted: #666666;
    --cls-pure-white: #FFFFFF;
    
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: cubic-bezier(0.25, 1, 0.5, 1);
    --border-radius-lux: 6px;
    --shadow-soft: 0 4px 30px rgba(0, 0, 0, 0.02);
}

/* Base Reset & Optimization Overrides */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--cls-warm-white);
    color: var(--cls-text-dark);
    font-family: var(--font-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
    line-height: 1.65;
}

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

ul {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--transition-smooth);
}

/* Utilities Layout Components */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 7.5rem 0;
}

.grid-two-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 992px) {
    .grid-two-columns {
        grid-template-columns: 1fr 1fr;
    }
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }

/* Buttons & Interactive Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    border-radius: var(--border-radius-lux);
    transition: all 0.3s var(--transition-smooth);
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--cls-muted-brown);
}

.btn-secondary {
    background-color: transparent;
    color: var(--cls-charcoal);
    border-color: var(--cls-charcoal);
}

.btn-secondary:hover {
    background-color: var(--cls-charcoal);
    color: var(--cls-pure-white);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Typography Hierarchy */
h1, h2, h3 {
    color: var(--cls-charcoal);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    h2 { font-size: 2.4rem; }
}

h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

p {
    color: var(--cls-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.section-tagline {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--cls-muted-brown);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Sticky Header Layout */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(28, 28, 28, 0.04);
    transition: background-color 0.3s;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
}

.logo-brand {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--cls-charcoal);
}

.nav-menu ul {
    display: flex;
    gap: 2.5rem;
}

.nav-menu a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--cls-muted-brown);
}

/* Responsive Mobile Navigation Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--cls-charcoal);
    transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--cls-pure-white);
        padding: 6rem 2rem 2rem;
        box-shadow: -10px 0 30px rgba(0,0,0,0.05);
        transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    }
    .nav-menu.active { right: 0; }
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
    }
    .nav-menu a { font-size: 1.1rem; }
    
    .menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Premium Hero Layout */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(250,249,246,0.92) 30%, rgba(250,249,246,0.4) 100%);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

.hero-text-box {
    max-width: 620px;
    margin-left: max(0px, calc((100vw - 1200px) / 2));
    padding-top: 3rem;
}

@media (max-width: 768px) {
    .hero-overlay-content {
        background: rgba(250,249,246,0.85);
        align-items: center;
        text-align: center;
    }
    .hero-text-box { margin-left: auto; margin-right: auto; }
}

.hero-action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-action-buttons { justify-content: center; }
}

/* About Layout Structure */
.value-propositions-list {
    margin-top: 2rem;
}

.value-propositions-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--cls-text-dark);
    font-size: 1rem;
}

.value-propositions-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--cls-muted-brown);
}

.rounded-img {
    border-radius: var(--border-radius-lux);
    box-shadow: var(--shadow-soft);
    width: 100%;
    object-fit: cover;
}

/* Premium Products Display Layout */
.section-center-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4.5rem;
}

.product-gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 600px) {
    .product-gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .product-gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

.product-card {
    background-color: var(--cls-pure-white);
    border-radius: var(--border-radius-lux);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-img-wrapper {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--cls-soft-beige);
}

.product-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--transition-smooth);
}

.product-card:hover .product-img-wrapper img {
    transform: scale(1.04);
}

.product-card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card-body p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.btn-card-link {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cls-charcoal);
    border-bottom: 1px solid var(--cls-charcoal);
    align-self: flex-start;
    padding-bottom: 0.2rem;
}

.btn-card-link:hover {
    color: var(--cls-muted-brown);
    border-color: var(--cls-muted-brown);
}

/* Contact Block Component */
.studio-address-details h3 {
    margin-bottom: 0.5rem;
}

.address-paragraph {
    font-style: normal;
    color: var(--cls-text-dark);
}

.contact-directory {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.directory-person {
    border-left: 2px solid var(--cls-light-grey);
    padding-left: 1rem;
}

.person-name {
    font-weight: 600;
    color: var(--cls-charcoal);
    margin-bottom: 0.5rem;
}

.action-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-link {
    font-size: 0.95rem;
    font-weight: 500;
}

.call-link:hover { color: var(--cls-muted-brown); }
.wa-link { color: #25D366; font-weight: 600; }
.wa-link:hover { opacity: 0.8; }

.map-iframe-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--border-radius-lux);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.map-iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Footer UI Architecture */
.main-footer {
    background-color: var(--cls-charcoal);
    color: var(--cls-soft-beige);
    padding: 4rem 0;
}

.footer-brand {
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    display: block;
    margin-bottom: 0.25rem;
    color: var(--cls-pure-white);
}

.footer-sub {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--cls-muted-brown);
    margin-bottom: 2rem;
}

.footer-divider {
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 2rem;
}

.copyright-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 0;
}

/* Cumulative Layout Shift (CLS) Mitigation & Intersection Observer Fade */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.lazy-load {
    opacity: 0;
    transition: opacity 0.5s var(--transition-smooth);
}

.lazy-load.loaded {
    opacity: 1;
}

/* ==========================================================================
   INFINITE AUTOMATED BRAND MARQUEE
   ========================================================================== */

.brand-marquee-section {
    background-color: var(--cls-soft-beige);
    padding: 2.5rem 0;
    overflow: hidden;
    border-top: 1px solid rgba(28, 28, 28, 0.03);
    border-bottom: 1px solid rgba(28, 28, 28, 0.03);
    width: 100%;
}

.marquee-container {
    display: flex;
    overflow: hidden;
    user-select: none;
    width: 100%;
    position: relative;
}

/* Gradient subtle blend overlays to mask edges elegantly */
.marquee-container::before,
.marquee-container::after {
    content: "";
    position: absolute;
    top: 0;
    width: 80px;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--cls-soft-beige), transparent);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--cls-soft-beige), transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: scroll-marquee 45s linear infinite;
}

/* Pause scroll on user interaction to maximize elegance and readability */
.marquee-container:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 4.5rem;
    padding-right: 4.5rem;
}

.brand-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cls-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    white-space: nowrap;
    opacity: 0.65;
    transition: opacity 0.3s var(--transition-smooth);
}

.brand-item:hover {
    opacity: 1;
}

.brand-logo-img {
    height: 24px;
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.2);
    opacity: 0.85;
}

/* High Performance Animation Hardware Accelerated Keyframes */
@keyframes scroll-marquee {
    0% {
        transform: translate3d(0, 0, 0);
    }
    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

.brand-item {
    font-family: "Playfair Display", "Didot", "Georgia", serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--cls-charcoal);
    letter-spacing: 0.08em;
    white-space: nowrap;
    opacity: 0.55;
    transition: opacity 0.3s var(--transition-smooth), transform 0.3s var(--transition-smooth);
}

.brand-item:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}