/* -------------------------------------------------------------

JP TEXTIL - High-End Designer Identity & Responsive CSS

100% Local / Zero CDNs / Custom Property System

------------------------------------------------------------- */

:root {
--bg-main: #0c0c0e;
--bg-card: #15151a;
--bg-card-hover: #1c1c24;
--text-main: #ececec;
--text-muted: #9a9ab0;
--accent-color: #8a2be2; /* Deep Blue Violet */
--accent-bright: #a855f7;
--border-color: rgba(255, 255, 255, 0.1);
--rainbow-gradient: linear-gradient(135deg, #ff007a, #9600ff, #00e1ff, #00ff75);
--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
--header-height: 70px;
--transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Seasonal Dynamic Palette Offsets (Javascript Dynamic Theme Support) */
body[data-season="spring"] { --accent-color: #00d26a; --accent-bright: #34d399; }
body[data-season="summer"] { --accent-color: #ff0055; --accent-bright: #fb7185; }
body[data-season="autumn"] { --accent-color: #d97706; --accent-bright: #fbbf24; }
body[data-season="winter"] { --accent-color: #2563eb; --accent-bright: #60a5fa; }

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

html {
scroll-behavior: smooth;
font-family: var(--font-stack);
background-color: var(--bg-main);
color: var(--text-main);
line-height: 1.6;
}

body {
overflow-x: hidden;
min-height: 100vh;
}

/* Typography Base */
h1, h2, h3, h4 {
color: #ffffff;
font-weight: 700;
letter-spacing: -0.02em;
}

h2 {
font-size: clamp(1.8rem, 4vw, 2.8rem);
margin-bottom: 0.8rem;
}

h3 {
font-size: 1.4rem;
margin-bottom: 0.5rem;
}

p {
color: var(--text-muted);
font-size: 1rem;
margin-bottom: 1rem;
}

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

/* Navigation Header */
.main-header {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: var(--header-height);
background: rgba(12, 12, 14, 0.85);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
z-index: 100;
border-bottom: 1px solid var(--border-color);
transition: var(--transition-smooth);
}

.header-container {
max-width: 1300px;
height: 100%;
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 1.5rem;
}

.brand-text-mini {
font-size: 1.2rem;
font-weight: 900;
letter-spacing: 2px;
background: var(--rainbow-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}

.nav-desktop {
display: flex;
align-items: center;
gap: 2rem;
}

.nav-desktop a {
font-size: 0.95rem;
font-weight: 500;
color: var(--text-main);
transition: var(--transition-smooth);
}

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

/* Buttons */
.btn-primary, .btn-secondary, .btn-modal-trigger {
cursor: pointer;
border: none;
font-family: inherit;
font-weight: 600;
border-radius: 6px;
transition: var(--transition-smooth);
display: inline-flex;
align-items: center;
justify-content: center;
}

.btn-primary {
background: var(--accent-color);
color: #ffffff;
padding: 0.8rem 1.8rem;
box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover {
background: var(--accent-bright);
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
background: transparent;
color: #ffffff;
border: 1px solid var(--border-color);
padding: 0.8rem 1.8rem;
}

.btn-secondary:hover {
border-color: #ffffff;
background: rgba(255, 255, 255, 0.05);
}

.nav-desktop .btn-modal-trigger, .footer-link-btn {
background: transparent;
color: var(--text-main);
font-size: 0.95rem;
}

.nav-desktop .btn-modal-trigger:hover, .footer-link-btn:hover {
color: var(--accent-bright);
}

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

.mobile-menu-toggle span {
width: 25px;
height: 2px;
background: #ffffff;
transition: var(--transition-smooth);
}

.mobile-nav {
display: none;
position: absolute;
top: var(--header-height);
left: 0;
width: 100%;
background: var(--bg-card);
padding: 1.5rem;
border-bottom: 1px solid var(--border-color);
flex-direction: column;
gap: 1rem;
}

.mobile-nav.active {
display: flex;
}

/* Hero Section with Video Overlay */
.hero-banner {
position: relative;
width: 100%;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
padding-top: var(--header-height);
}

.hero-video {
position: absolute;
top: 50%;
left: 50%;
min-width: 100%;
min-height: 100%;
width: auto;
height: auto;
transform: translate(-50%, -50%);
object-fit: cover;
z-index: 1;
}

.video-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(180deg, rgba(12,12,14,0.6) 0%, rgba(12,12,14,0.95) 100%);
z-index: 2;
}

.hero-content {
position: relative;
z-index: 3;
text-align: center;
max-width: 900px;
padding: 2rem 1.5rem;
}

.hero-logo-img {
height: 400px;
width: auto;
max-width: 100%;
object-fit: contain;
margin-bottom: 1.5rem;
filter: drop-shadow(0 10px 25px rgba(0,0,0,0.7));
transition: var(--transition-smooth);
}

.hero-logo-img:hover {
transform: scale(1.02);
}

.hero-tagline {
font-size: clamp(1rem, 2vw, 1.3rem);
color: #d1d1e0;
margin-bottom: 2rem;
letter-spacing: 1px;
}

.hero-actions {
display: flex;
gap: 1rem;
justify-content: center;
flex-wrap: wrap;
}

/* Marquee Image Slider */
.slider-section {
background: #08080a;
border-top: 1px solid var(--border-color);
border-bottom: 1px solid var(--border-color);
padding: 2rem 0;
overflow: hidden;
}

.slider-title-bar {
text-align: center;
font-size: 0.75rem;
letter-spacing: 3px;
color: var(--text-muted);
margin-bottom: 1.5rem;
}

.marquee-wrapper {
width: 100%;
overflow: hidden;
display: flex;
}

.marquee-track {
display: flex;
gap: 1.5rem;
width: max-content;
animation: scrollMarquee 60s linear infinite;
}

.marquee-track:hover {
animation-play-state: paused;
}

.marquee-item {
position: relative;
width: 300px;
height: 400px;
flex-shrink: 0;
border-radius: 8px;
overflow: hidden;
background: var(--bg-card);
border: 1px solid var(--border-color);
}

.marquee-item img {
width: 100%;
height: 100%;
object-fit: cover;
transition: var(--transition-smooth);
}

.marquee-item:hover img {
transform: scale(1.05);
}

.item-caption {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 1rem;
background: linear-gradient(0deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
color: #ffffff;
font-size: 0.85rem;
font-weight: 600;
}

@keyframes scrollMarquee {
0% { transform: translateX(0); }
100% { transform: translateX(-50%); }
}

/* Main Content Container */
.content-container {
max-width: 1200px;
margin: 0 auto;
padding: 5rem 1.5rem;
display: flex;
flex-direction: column;
gap: 6rem;
}

.section-block {
width: 100%;
}

.badge {
display: inline-block;
padding: 0.3rem 0.8rem;
background: rgba(138, 43, 226, 0.15);
color: var(--accent-bright);
border: 1px solid rgba(168, 85, 247, 0.3);
border-radius: 4px;
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 1px;
margin-bottom: 1rem;
}

.badge-rainbow {
display: inline-block;
padding: 0.3rem 0.8rem;
background: rgba(255, 255, 255, 0.05);
border-radius: 4px;
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 1px;
margin-bottom: 1rem;
background-image: var(--rainbow-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}

.grid-two-col {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 3rem;
align-items: center;
}

.image-box img {
width: 100%;
border-radius: 12px;
border: 1px solid var(--border-color);
object-fit: cover;
}

/* Cards Grid */
.cards-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
gap: 1.5rem;
margin-top: 2rem;
}

.card-item {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: 10px;
padding: 2rem;
transition: var(--transition-smooth);
position: relative;
overflow: hidden;
}

.card-item::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 3px;
background: var(--rainbow-gradient);
opacity: 0;
transition: var(--transition-smooth);
}

.card-item:hover {
transform: translateY(-5px);
background: var(--bg-card-hover);
}

.card-item:hover::before {
opacity: 1;
}

.card-badge {
font-size: 0.75rem;
color: var(--accent-bright);
font-weight: 700;
margin-bottom: 0.8rem;
}

.spec-list {
list-style: none;
margin-top: 1rem;
font-size: 0.85rem;
color: var(--text-muted);
}

.spec-list li {
padding: 0.2rem 0;
border-top: 1px dashed rgba(255,255,255,0.05);
}

/* Glass Card & Material Specs */
.glass-card {
background: rgba(21, 21, 26, 0.6);
border: 1px solid var(--border-color);
border-radius: 16px;
padding: 3rem;
}

.fabric-metrics {
display: flex;
gap: 1.5rem;
margin-top: 2rem;
flex-wrap: wrap;
}

.metric {
display: flex;
flex-direction: column;
}

.metric-val {
font-size: 1.4rem;
font-weight: 800;
color: #ffffff;
}

.metric-lbl {
font-size: 0.75rem;
color: var(--text-muted);
}

.material-features {
display: flex;
flex-direction: column;
gap: 1.5rem;
}

.feat-box {
background: var(--bg-main);
padding: 1.5rem;
border-radius: 8px;
border-left: 3px solid var(--accent-color);
}

/* B2B Banner */
.b2b-banner {
background: linear-gradient(135deg, rgba(138,43,226,0.15) 0%, rgba(15,15,20,1) 100%);
border: 1px solid rgba(168,85,247,0.3);
border-radius: 12px;
padding: 3rem;
display: flex;
justify-content: space-between;
align-items: center;
gap: 2rem;
flex-wrap: wrap;
}

/* Pre-Footer Partner Banner Placeholder */
.partner-banner-section {
width: 100%;
background: #08080a;
border-top: 1px solid var(--border-color);
padding: 2rem 1.5rem;
}

.partner-banner-container {
max-width: 1200px;
margin: 0 auto;
height: 200px;
border-radius: 8px;
overflow: hidden;
}

.partner-banner-img {
width: 100%;
height: 200px;
object-fit: cover;
display: block;
}

/* Footer Style */
.site-footer {
background: #050507;
border-top: 1px solid var(--border-color);
padding: 3rem 1.5rem 2rem 1.5rem;
}

.footer-container {
max-width: 1200px;
margin: 0 auto;
display: flex;
flex-direction: column;
align-items: center;
gap: 2rem;
text-align: center;
}

.footer-logo-img {
height: 70px;
width: auto;
object-fit: contain;
}

.footer-nav {
display: flex;
gap: 1.5rem;
flex-wrap: wrap;
justify-content: center;
}

.footer-copyright p {
font-size: 0.85rem;
color: var(--text-muted);
}

/* Back To Top Button */
.back-to-top {
position: fixed;
bottom: 2rem;
right: 2rem;
width: 48px;
height: 48px;
border-radius: 50%;
background: var(--bg-card);
color: #ffffff;
border: 1px solid var(--border-color);
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
visibility: hidden;
transition: var(--transition-smooth);
z-index: 90;
}

.back-to-top.visible {
opacity: 1;
visibility: visible;
}

.back-to-top:hover {
background: var(--accent-color);
transform: translateY(-3px);
}

/* Scroll Fade In Animation */
.fade-in-on-scroll {
opacity: 0;
transform: translateY(30px);
transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Modals */
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.85);
backdrop-filter: blur(8px);
z-index: 200;
display: flex;
align-items: center;
justify-content: center;
padding: 1rem;
opacity: 0;
pointer-events: none;
transition: var(--transition-smooth);
}

.modal-overlay.open {
opacity: 1;
pointer-events: auto;
}

.modal-window {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: 12px;
width: 100%;
max-width: 600px;
max-height: 85vh;
overflow-y: auto;
box-shadow: 0 20px 50px rgba(0,0,0,0.8);
transform: translateY(20px);
transition: var(--transition-smooth);
}

.modal-overlay.open .modal-window {
transform: translateY(0);
}

.modal-header {
padding: 1.2rem 1.5rem;
border-bottom: 1px solid var(--border-color);
display: flex;
justify-content: space-between;
align-items: center;
}

.modal-close-btn {
background: transparent;
border: none;
color: var(--text-muted);
font-size: 1.8rem;
cursor: pointer;
line-height: 1;
}

.modal-close-btn:hover {
color: #ffffff;
}

.modal-body {
padding: 1.5rem;
font-size: 0.95rem;
color: var(--text-muted);
}

.modal-body h4 {
margin: 1rem 0 0.4rem 0;
color: #ffffff;
}

/* Modal Form Styles */
.modal-form {
margin-top: 1rem;
display: flex;
flex-direction: column;
gap: 1rem;
}

.form-group {
display: flex;
flex-direction: column;
gap: 0.4rem;
text-align: left;
}

.form-group label {
font-size: 0.8rem;
color: #ffffff;
}

.form-group input, .form-group textarea {
background: var(--bg-main);
border: 1px solid var(--border-color);
border-radius: 6px;
padding: 0.8rem;
color: #ffffff;
font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
outline: 1px solid var(--accent-bright);
}

.full-width {
width: 100%;
}

/* Mobile Responsive Optimization (< 768px) */
@media (max-width: 768px) {
.nav-desktop {
display: none;
}

.mobile-menu-toggle {
display: flex;
}

.hero-logo-img {
height: 250px;
}

.grid-two-col {
grid-template-columns: 1fr;
gap: 2rem;
}

.glass-card {
padding: 1.5rem;
}

.b2b-banner {
padding: 2rem;
flex-direction: column;
text-align: center;
}
}