@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-color: #050505; /* Deeper black */
    --text-color: #f5f5f7; /* Apple off-white */
    --accent-color: #ffffff;
    --glass-bg: rgba(0, 0, 0, 0.5);
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 9999;
}

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

html {
    height: auto;
    scroll-behavior: auto; /* Required for Lenis */
}

body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.015em;
    line-height: 1.5;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background 0.5s ease, backdrop-filter 0.5s ease;
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    flex-direction: row !important; /* Force horizontal alignment */
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
    z-index: 110;
    gap: 0.75rem;
    white-space: nowrap; /* Prevent text wrapping within the logo */
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-color);
    margin: 0;
    line-height: 1;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

/* Footer Specific */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.footer-brand-top {
    display: flex;
    flex-direction: row; /* Force horizontal alignment */
    align-items: center;
    gap: 1.5rem;
    flex-wrap: nowrap; /* Prevent wrapping on desktop */
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.95rem;
    margin: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 1.5rem;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .footer-brand-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .footer-brand p {
        border-left: none;
        padding-left: 0;
    }
}

/* Hamburger Icon Styling */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 120;
    position: relative;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hamburger Active State (X shape) */
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: translateX(-10px); }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

#main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2.5rem;
}

#main-nav ul li a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: -0.01em;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

#main-nav ul li a:hover {
    opacity: 1;
}

#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    width: 100%;
    padding: 0 2rem;
    text-align: center;
}

#hero h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    margin: 1.5rem 0;
    color: #ffffff;
    line-height: 1.1;
    min-height: 1.2em; /* Prevents layout jumping during animation out */
}

.hero-overlay .eyebrow {
    color: #fff;
    opacity: 0.8;
    margin-bottom: 0;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
}

.hero-description {
    max-width: 800px;
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin: 0 auto;
    font-weight: 400;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../NewImages/Ind.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    mix-blend-mode: overlay;
    pointer-events: none;
}

#hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2; /* Ensure video is behind the texture overlay */
    filter: brightness(0.4);
}

.content-section {
    padding: 100px 5vw;
    background: transparent;
    color: #fff;
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header.centered {
    text-align: center;
}

.eyebrow {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    margin: 0;
    line-height: 1.1;
    color: #ffffff;
}

.split-view {
    display: flex;
    align-items: center;
    gap: 10%;
    width: 100%;
}

.text-side {
    flex: 1;
}

.text-side p {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

.feature-list li strong {
    color: #fff;
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.image-side {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    aspect-ratio: 4/5;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

#products {
    width: 100%;
    min-height: 110vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    z-index: 10;
    padding-top: 15vh;
}

.product-container {
    position: relative;
    width: 50vh;
    height: 50vh;
    max-width: 500px;
    max-height: 500px;
    margin-top: 2rem;
}

.product-base,
.exploded-layers img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

.product-base {
    z-index: 30;
    pointer-events: auto;
}

.exploded-layers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
}

.part-body { 
    z-index: 10; 
    clip-path: inset(50% 38% 0% 0%); 
    height: 100% !important;
    top: 0% !important;
    object-fit: contain !important;
}

.part-flap { 
    z-index: 20; 
    clip-path: inset(0% 38% 51% 0%); 
    height: 100% !important;
    top: 0% !important;
    object-fit: contain !important;
}

.part-strap { 
    z-index: 5; 
    clip-path: inset(0% 0% 0% 58%); 
}

.exploded-layers img {
    opacity: 0;
}

/* Architectural Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 4rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.4);
}

.contact-value {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0;
    text-decoration: none;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.whatsapp-link {
    color: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    transition: color 0.3s ease, transform 0.3s ease;
}

.whatsapp-link:hover {
    color: #25D366; /* WhatsApp Brand Green */
    transform: scale(1.1);
}

.contact-value.link {
    position: relative;
    width: fit-content;
}

.contact-value.link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #fff;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.contact-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex !important;
    }

    #main-nav {
        padding: 1.5rem 1.5rem;
    }

    #main-nav ul {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: #050505;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 8rem 2rem;
        gap: 2rem;
        z-index: 101;
        clip-path: circle(0% at 90% 5%);
        transition: clip-path 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
    }

    #main-nav ul.active {
        clip-path: circle(150% at 90% 5%);
        pointer-events: all;
    }

    #main-nav ul li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding-bottom: 1.5rem;
    }

    #main-nav ul li a {
        font-size: 1.75rem;
        font-weight: 600;
        opacity: 1;
        letter-spacing: -0.02em;
    }

    /* Hero Mobile Refinement */
    #hero h1 {
        font-size: 2.75rem; /* Specific size for mobile for better control */
        line-height: 1.2;
        margin: 1rem 0;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.5;
        padding: 0 1rem;
    }

    .hero-overlay {
        padding: 0 1.5rem;
    }

    .hero-overlay .eyebrow {
        font-size: 0.75rem;
    }

    /* Reduce massive vertical gaps on mobile */
    .content-section {
        padding: 60px 1.5rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    #products {
        min-height: 100vh;
        padding: 80px 0;
    }

    .product-container {
        width: 80vw;
        height: 80vw;
        max-width: 350px;
        max-height: 350px;
    }

    .split-view { 
        flex-direction: column; 
        gap: 2rem;
    }

    .footer-content { flex-direction: column; gap: 4rem; }
    .grid-3 { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { 
        display: flex;
        flex-direction: column;
        gap: 3rem; 
        padding-top: 2rem;
    }

    .contact-item {
        align-items: flex-start;
        text-align: left;
    }

    .contact-value {
        font-size: 1.25rem;
    }

    /* Catalogue Mobile Refinement */
    .catalogue-section {
        padding: 80px 1.5rem; 
    }

    .image-side {
        padding: 0; 
        aspect-ratio: auto; 
        width: 100%;
        max-width: 60vw;
        margin: 2rem auto;
        height: auto;
        background: transparent;
        border: none;
    }

    .material-img {
        width: 100%;
        height: auto;
        object-fit: contain;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    }

    .catalogue-display {
        width: 100%;
        max-width: 90vw;
        aspect-ratio: auto; 
        border-radius: 16px;
        margin: 2rem auto 0;
        background: transparent;
        border: none;
    }

    .catalogue-img {
        width: 100%;
        height: auto;
        object-fit: contain;
        transform: none !important; 
    }
}

#materials, #contact {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5vw;
}

@media (max-width: 768px) {
    #materials, #contact {
        height: auto;
        padding: 80px 1.5rem;
    }
}

/* Catalogue Section Desktop Styles */
.catalogue-section {
    padding: 120px 5vw;
    background: #000;
}

.catalogue-display {
    width: 100%;
    max-width: 1200px;
    margin: 4rem auto 0;
    aspect-ratio: 16/9;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalogue-img {
    width: 100%;
    height: 120%;
    object-fit: cover;
    will-change: transform;
}

footer {
    padding: 120px 5vw 60px;
    background: #000;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-bottom: 80px;
}

.footer-brand .logo {
    margin-bottom: 0;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group h4 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.link-group a {
    display: block;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: #fff;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 25px;
        right: 25px;
        width: 55px;
        height: 55px;
    }
}