/* ==========================================================================
   BONN GROUP OF COMPANIES - GLOBAL PREMIUM STYLESHEET (css/style.css)
   Aesthetic: Ultra-Premium, Minimal, Corporate Engineering, Dark Theme
   ========================================================================== */

/* 1. DESIGN SYSTEM & TOKENS */
:root {
    /* Color System */
    --color-bg: #0B0F19;
    --color-bg-darker: #070910;
    --color-primary: #0057FF;
    --color-primary-hover: #0046CC;
    --color-primary-rgb: 0, 87, 255;
    --color-white: #FFFFFF;
    --color-gray-light: #F3F4F6;
    --color-gray: #A0A8B8;
    --color-gray-dark: #4B5563;
    --color-card-bg: rgba(23, 34, 55, 0.4);
    --color-border: rgba(255, 255, 255, 0.05);
    --color-border-hover: rgba(0, 87, 255, 0.3);
    
    /* Typography System */
    --font-main: 'Montserrat', sans-serif;
    
    /* Spacing & Layout */
    --container-max-width: 1440px;
    --section-padding-desktop: 140px;
    --section-padding-mobile: 80px;
    
    /* Transitions & Easing */
    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: all 0.6s var(--ease-premium);
    --transition-fast: all 0.2s ease-in-out;
}

/* 2. BASE RESETS & SCROLLBAR */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--color-bg);
    color: var(--color-white);
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    overflow-x: hidden;
    line-height: 1.65;
    font-weight: 400;
}

/* Custom Premium Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* 3. TYPOGRAPHY & HEADINGS */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

p {
    color: var(--color-gray);
    font-size: 1.05rem;
    font-weight: 400;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Common Text Utilities */
.accent-text {
    color: var(--color-primary);
    background: linear-gradient(90deg, #0057FF 0%, #00A3FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-tagline {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-tagline.blue-tag {
    background: rgba(0, 87, 255, 0.1);
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid rgba(0, 87, 255, 0.15);
}

.section-headline {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
}

.lead-paragraph {
    font-size: 1.25rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* 4. LAYOUT STRUCTURE */
.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.container-full {
    width: 100%;
    padding: 0 5%;
}

.section-padding {
    padding-top: var(--section-padding-desktop);
    padding-bottom: var(--section-padding-desktop);
}

.dark-bg {
    background-color: var(--color-bg-darker);
}

.grid-split-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.align-items-center {
    align-items: center;
}

.align-items-end {
    align-items: end;
}

.mb-80 {
    margin-bottom: 80px;
}

.mb-24 {
    margin-bottom: 24px;
}

.gap-80 {
    gap: 80px;
}

/* Image Responsive Wrapper */
.img-responsive {
    width: 100%;
    height: auto;
    display: block;
}

/* 5. BUTTONS & CTAS (Apple-like styling) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    letter-spacing: 0.02em;
}

.btn-sm {
    padding: 10px 22px;
    font-size: 0.85rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 87, 255, 0.25);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-bg);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

/* Navbar active state on scroll */
.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-svg {
    transition: var(--transition-smooth);
}

.logo:hover .logo-svg {
    transform: rotate(90deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--color-white);
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--color-primary);
}

/* Menu Links */
.nav-menu {
    margin-right: auto;
    margin-left: 35px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 16px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray);
    position: relative;
    padding: 8px 0;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
}

.nav-cta {
    margin-left: 30px;
}

.nav-cta .btn {
    height: 48px;
    padding: 0 22px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
}

/* 7. HERO SECTION */
/* 7. HERO SECTION */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 130px;
    padding-bottom: 160px;
    overflow: hidden;
    background-color: var(--color-bg);
    background-image: 
        radial-gradient(circle at 85% 30%, rgba(0, 87, 255, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 15% 75%, rgba(0, 87, 255, 0.05) 0%, transparent 45%),
        linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-darker) 100%);
    background-size: 100% 100%, 100% 100%, 45px 45px, 45px 45px, 100% 100%;
}

.hero-split-grid {
    display: grid;
    grid-template-columns: 45fr 55fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-left-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-right-col {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    margin-top: 0;
}

.hero-headline {
    font-size: 4.8rem;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.05;
}

.hero-subheadline {
    font-size: 1.4rem;
    color: var(--color-gray);
    max-width: 650px;
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* Trust Indicators */
.hero-trust-indicators {
    display: flex;
    gap: 24px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.trust-indicator svg {
    color: var(--color-primary);
}

/* Luxury Video Container */
.hero-video-luxury-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 25px 60px -15px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(0, 87, 255, 0.15);
    background-color: var(--color-bg-darker);
    cursor: pointer;
    transition: transform 0.6s var(--ease-premium), box-shadow 0.6s var(--ease-premium), border-color 0.6s var(--ease-premium);
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    animation: hero-video-fade-in 1.2s var(--ease-premium) forwards;
    animation-delay: 0.3s;
}

@keyframes hero-video-fade-in {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-video-luxury-container:hover {
    transform: scale(1.02);
    border-color: rgba(0, 87, 255, 0.3);
    box-shadow: 
        0 30px 70px -10px rgba(0, 0, 0, 0.7),
        0 0 50px rgba(0, 87, 255, 0.3);
}

.hero-luxury-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(1.02) contrast(1.02);
}

.hero-video-glass-reflection {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.02) 25%,
        transparent 50%,
        transparent 100%
    );
    z-index: 2;
}

/* Hover play overlay */
.hero-video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 15, 25, 0.4);
    opacity: 0;
    transition: opacity 0.4s var(--ease-premium);
    z-index: 3;
}

.hero-video-luxury-container:hover .hero-video-play-overlay {
    opacity: 1;
}

.hero-play-btn-glass {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s var(--ease-premium), background-color 0.4s var(--ease-premium);
}

.hero-video-luxury-container:hover .hero-play-btn-glass {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.25);
}

.hero-play-icon-triangle {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent var(--color-white);
    margin-left: 4px;
}

/* Hero Stats Bar bottom */
.hero-stats-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 2;
    padding: 30px 0;
    border-top: 1px solid var(--color-border);
    background-color: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(10px);
}

.stats-bar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-bar-item {
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 24px;
}

.stat-bar-item:first-child {
    border-left: none;
    padding-left: 0;
}

.stat-bar-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
}

.stat-bar-label {
    font-size: 0.8rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 120px;
    right: 5%;
    z-index: 2;
}

.scroll-btn {
    width: 24px;
    height: 40px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: center;
    padding-top: 6px;
    transition: var(--transition-smooth);
}

.mouse-wheel {
    display: block;
    width: 4px;
    height: 8px;
    border-radius: 2px;
    background-color: var(--color-primary);
    animation: scroll-wheel-anim 1.5s infinite;
}

@keyframes scroll-wheel-anim {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(6px); opacity: 0.2; }
    100% { transform: translateY(0); opacity: 1; }
}

/* 8. ABOUT SECTION */
.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    width: 85%;
}

.main-about-img {
    filter: brightness(0.85);
    border-radius: 4px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.about-img-accent-border {
    position: absolute;
    top: 30px;
    left: 30px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-primary);
    z-index: -1;
    border-radius: 4px;
}

.facility-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 24px 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.badge-num {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.badge-lbl {
    font-size: 0.75rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.about-text-content {
    padding-left: 20px;
}

.section-desc {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--color-white);
}

.section-desc-sub {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: 30px;
}

.mini-certifications-row {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 24px;
}

.mini-cert {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.about-counters-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px 40px;
}

.counter-item {
    border-left: 2px solid var(--color-border);
    padding-left: 20px;
    transition: var(--transition-smooth);
}

.counter-item:hover {
    border-left-color: var(--color-primary);
}

.counter-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
}

.counter-label {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: 8px;
}

/* 9. WHY FRP & GRP SECTION */
.section-header-centered {
    text-align: center;
    margin-bottom: 80px;
}

.storytelling-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-story-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.feature-story-card:hover {
    border-color: var(--color-primary);
    background-color: rgba(23, 34, 55, 0.6);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon-header {
    margin-bottom: 24px;
}

.card-icon-header svg {
    margin-bottom: 16px;
    transition: var(--transition-smooth);
}

.feature-story-card:hover .card-icon-header svg {
    transform: scale(1.1);
}

.feature-story-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
}

.feature-story-text {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: 30px;
}

.technical-spec {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    margin-top: auto;
}

/* 10. PRODUCT SECTION */
.products-layout-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-luxury-card {
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.product-luxury-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.product-image-container {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    overflow: hidden;
}

.product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s var(--ease-premium);
    filter: brightness(0.9);
}

.product-luxury-card:hover .product-img {
    transform: scale(1.08);
}

/* Technical detail hover overlay */
.product-overlay-details {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 9, 16, 0.96);
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    padding: 30px;
    z-index: 2;
}

.product-luxury-card:hover .product-overlay-details {
    opacity: 1;
}

.p-details-inner {
    width: 100%;
    transform: translateY(20px);
    transition: transform 0.6s var(--ease-premium);
}

.product-luxury-card:hover .p-details-inner {
    transform: translateY(0);
}

.p-category {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-transform: uppercase;
}

.p-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 8px 0 16px 0;
    line-height: 1.2;
}

.p-desc {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: 20px;
    line-height: 1.5;
}

.p-specs {
    margin-bottom: 24px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row span:first-child {
    color: var(--color-gray);
}

.spec-row span:last-child {
    font-weight: 700;
    color: var(--color-white);
}

/* Footer card titles */
.product-card-footer {
    padding: 30px;
}

.product-title-bold {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.p-action-text {
    font-size: 0.8rem;
    color: var(--color-gray-dark);
    display: block;
    transition: var(--transition-fast);
}

.product-luxury-card:hover .p-action-text {
    color: var(--color-primary);
}

/* 11. MANUFACTURING TIMELINE SECTION */
.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 60px auto 0 auto;
    padding: 40px 0;
}

.timeline-line-indicator {
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--color-border);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 60px;
    margin-bottom: 40px;
}

/* Alternating positions */
.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

/* Custom numbers acting as nodes */
.timeline-number {
    position: absolute;
    top: 24px;
    width: 48px;
    height: 48px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    color: var(--color-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
    z-index: 5;
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(odd) .timeline-number {
    right: -24px;
}

.timeline-item:nth-child(even) .timeline-number {
    left: -24px;
}

/* Active node animations */
.timeline-item.visible .timeline-number {
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 0 20px rgba(0, 87, 255, 0.4);
}

.timeline-content-card {
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.timeline-item.visible .timeline-content-card {
    border-color: rgba(255,255,255,0.08);
}

.timeline-stage-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.timeline-stage-title {
    font-size: 1.4rem;
    margin-bottom: 14px;
}

.timeline-stage-text {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
}

.stage-technical-detail {
    margin-top: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 12px;
}

/* 12. INDUSTRIES CAROUSEL/GRID SECTION */
.industries-carousel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.industry-luxury-tile {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 40px;
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.industry-tile-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 1.5s var(--ease-premium);
    z-index: 1;
}

.industry-tile-content {
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.industry-icon {
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.industry-icon svg {
    color: var(--color-primary);
}

.industry-tile-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.industry-tile-desc {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.5;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease, height 0.4s ease;
}

/* Hover effects */
.industry-luxury-tile:hover .industry-tile-bg {
    transform: scale(1.08);
}

.industry-luxury-tile:hover .industry-tile-desc {
    opacity: 1;
    height: auto;
    margin-top: 10px;
}

.industry-luxury-tile:hover .industry-icon {
    transform: translateY(-5px);
}

/* 13. APPLICATIONS GALLERY SECTION */
.applications-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.gallery-card {
    cursor: pointer;
}

.gallery-image-box {
    position: relative;
    width: 100%;
    padding-top: 68%; /* Widescreen crop */
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.gallery-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.8);
    transition: transform 1.2s var(--ease-premium);
}

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

.gallery-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 87, 255, 0.4);
    opacity: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.gallery-card:hover .gallery-hover-overlay {
    opacity: 1;
}

.gallery-icon-zoom {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: var(--transition-smooth);
    margin-bottom: 12px;
}

.gallery-card:hover .gallery-icon-zoom {
    transform: scale(1);
}

.gallery-hover-tag {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-white);
    text-transform: uppercase;
}

.gallery-caption {
    margin-top: 20px;
}

.gallery-caption h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.gallery-caption p {
    font-size: 0.85rem;
    color: var(--color-gray-dark);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 9, 16, 0.95);
    backdrop-filter: blur(15px);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    background: none;
    border: none;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: 2100;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-primary);
    transform: scale(1.1);
}

.lightbox-content {
    position: relative;
    z-index: 2050;
    width: 90%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 7fr 4fr;
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.8);
}

.lightbox-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 70%; /* aspect grid */
}

.lightbox-main-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lightbox-sidebar {
    padding: 40px;
    display: flex;
    align-items: center;
    border-left: 1px solid var(--color-border);
}

.lightbox-sidebar-inner {
    width: 100%;
}

.lightbox-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-transform: uppercase;
}

.lightbox-title {
    font-size: 1.8rem;
    margin: 10px 0 20px 0;
    line-height: 1.2;
}

.lightbox-desc {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: 30px;
}

.lightbox-meta {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    margin-bottom: 30px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.meta-row span:first-child {
    color: var(--color-gray-dark);
}

.meta-row span:last-child {
    font-weight: 700;
    color: var(--color-white);
}

.lightbox-cta-btn {
    text-align: center;
}

/* 14. VIDEO GALLERY SECTION */
.video-container-luxury {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 widescreen aspect */
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.video-container-luxury:hover {
    box-shadow: 0 40px 80px rgba(0, 87, 255, 0.15), 0 40px 80px rgba(0,0,0,0.6);
}

.hero-mute-btn-glass {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    cursor: pointer;
    z-index: 10;
    transition: transform 0.3s var(--ease-premium), background-color 0.3s var(--ease-premium), border-color 0.3s var(--ease-premium);
}

.hero-mute-btn-glass:hover {
    transform: scale(1.08);
    background: rgba(11, 15, 25, 0.85);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Sound waves and cross display logic */
.hero-mute-btn-glass.unmuted .sound-wave-low,
.hero-mute-btn-glass.unmuted .sound-wave-high {
    opacity: 1;
    display: block;
}

.hero-mute-btn-glass.unmuted .mute-cross {
    opacity: 0;
    display: none;
}

.hero-mute-btn-glass.muted .sound-wave-low,
.hero-mute-btn-glass.muted .sound-wave-high {
    opacity: 0;
    display: none;
}

.hero-mute-btn-glass.muted .mute-cross {
    opacity: 1;
    display: block;
}

.luxury-embedded-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.video-luxury-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.video-blur-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 9, 16, 0.4);
    backdrop-filter: blur(4px);
    transition: var(--transition-smooth);
    z-index: -1;
}

.video-container-luxury:hover .video-blur-backdrop {
    backdrop-filter: blur(1px);
    background-color: rgba(7, 9, 16, 0.35); /* 5% brightness increase */
}

/* Play button wrapper */
.play-btn-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.play-btn-action-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
}

.video-container-luxury:hover .play-btn-action-text {
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 87, 255, 0.4);
}

/* Premium Cinematic Play Button */
.play-button-glass {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid #ffffff;
    backdrop-filter: blur(10px);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    margin-bottom: 0;
    box-shadow: 0 0 20px rgba(0, 87, 255, 0.2), inset 0 0 10px rgba(255, 255, 255, 0.1);
}

.play-button-glass::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 50%;
    border: 1px solid rgba(0, 87, 255, 0.4);
    animation: play-cinematic-pulse 4s infinite ease-in-out;
    pointer-events: none;
}

@keyframes play-cinematic-pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
}

.play-button-glass:hover {
    transform: scale(1.08);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
    box-shadow: 0 0 35px rgba(0, 87, 255, 0.5), inset 0 0 10px rgba(255, 255, 255, 0.2);
}

.play-icon-triangle {
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 20px solid var(--color-white);
    margin-left: 6px;
}

.video-overlay-text {
    text-align: center;
}

.video-overlay-text h3 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.video-overlay-text p {
    font-size: 1.1rem;
    color: var(--color-white);
}

/* Video Modal */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.video-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 9, 16, 0.95);
    backdrop-filter: blur(15px);
}

.video-modal-close {
    position: absolute;
    top: 30px;
    right: 40px;
    background: none;
    border: none;
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    z-index: 2600;
    transition: var(--transition-fast);
}

.video-modal-close:hover {
    color: var(--color-primary);
    transform: scale(1.1);
}

.video-modal-content {
    position: relative;
    z-index: 2550;
    width: 90%;
    max-width: 1000px;
    aspect-ratio: 16 / 9;
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.8);
}

.modal-video-element {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* 15. GLOBAL PRESENCE MAP */
.interactive-map-wrapper {
    position: relative;
    width: 100%;
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    padding: 60px 40px;
    border-radius: 4px;
}

.world-map-svg {
    width: 100%;
    height: auto;
    max-height: 480px;
}

.map-landmass {
    fill: #1C273C;
    transition: fill 0.3s ease;
}

/* Connection paths */
.shipping-route-line {
    stroke-dashoffset: 100;
    animation: shipping-dash-anim 8s linear infinite;
}

@keyframes shipping-dash-anim {
    to {
        stroke-dashoffset: 0;
    }
}

/* Pin styles */
.map-pin {
    cursor: pointer;
}

.ping-pulse {
    animation: map-ping-pulse 2s infinite ease-out;
    transform-origin: center;
}

@keyframes map-ping-pulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2.2); opacity: 0; }
}

.map-pin:hover circle:nth-child(2) {
    fill: var(--color-white);
    filter: drop-shadow(0 0 8px var(--color-primary));
}

/* Map Popover Overlay */
.map-popover {
    position: absolute;
    bottom: 40px;
    left: 40px;
    width: 320px;
    background-color: rgba(11, 15, 25, 0.95);
    border: 1px solid var(--color-primary);
    padding: 24px;
    border-radius: 4px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transition: var(--transition-smooth);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

.map-popover.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.popover-city {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-white);
}

.popover-details {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.5;
}

/* 16. TRUST & CERTIFICATIONS GRID */
.certifications-logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.cert-item-card {
    background-color: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    padding: 40px 30px;
    border-radius: 4px;
    text-align: center;
    transition: var(--transition-smooth);
}

.cert-item-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.cert-card-icon {
    margin-bottom: 20px;
    color: var(--color-primary);
    display: flex;
    justify-content: center;
}

.cert-item-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cert-item-card p {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.5;
}

/* 17. CONTACT FORM & LINE INPUTS */
.office-location-details {
    margin-top: 40px;
}

.detail-item {
    margin-bottom: 24px;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.detail-value {
    font-size: 1.1rem;
    color: var(--color-white);
}

.detail-value a:hover {
    color: var(--color-primary);
}

.map-embed-wrapper {
    margin-top: 40px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.styled-map {
    filter: invert(90%) hue-rotate(180deg) brightness(0.9) contrast(0.9);
}

/* Glassmorphism contact form container */
.contact-form-box {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    padding: 50px;
    border-radius: 4px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.form-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.form-group-line {
    position: relative;
    margin-bottom: 36px;
}

.line-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: 12px 0;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--color-white);
    outline: none;
    transition: var(--transition-fast);
}

.line-input:focus {
    border-bottom-color: var(--color-primary);
}

/* Floating labels */
.floating-label {
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--color-gray);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition-fast);
}

.line-input:focus ~ .floating-label,
.line-input:not(:placeholder-shown) ~ .floating-label {
    top: -16px;
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* Dropdown styling adjustment */
select.line-input {
    color: var(--color-white);
    cursor: pointer;
}

select.line-input option {
    background-color: var(--color-bg-darker);
    color: var(--color-white);
}

/* Specific label adjustment for drop-down */
.select-label {
    pointer-events: none;
}

textarea.line-input {
    resize: none;
}

/* 18. FLOATING WHATSAPP BUTTON */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: var(--transition-smooth);
}

.floating-whatsapp-btn:hover {
    transform: scale(1.08) translateY(-3px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
}

/* 19. DEEP LUXURY FOOTER */
.footer {
    background-color: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 40px 0;
}

.footer-columns-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col-brand .brand-footer-pitch {
    font-size: 0.95rem;
    color: var(--color-gray);
    margin-top: 16px;
    line-height: 1.6;
}

.brand-footer-loc {
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    margin-top: 12px;
}

.footer-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-white);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-gray);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 40px;
}

.bottom-bar-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright-text {
    font-size: 0.8rem;
    color: var(--color-gray-dark);
}

.social-icons-row {
    display: flex;
    gap: 16px;
}

.social-anchor {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    transition: var(--transition-smooth);
}

.social-anchor:hover {
    color: var(--color-white);
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

/* 20. SCROLL REVEAL CLASSSES (INTERSECTION OBSERVER) */
.reveal-fade {
    opacity: 0;
    transition: opacity 1.2s var(--ease-premium), transform 1.2s var(--ease-premium);
    will-change: opacity, transform;
}

.reveal-up {
    transform: translateY(50px);
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

/* Active reveal state */
.reveal-fade.visible {
    opacity: 1;
    transform: translate(0, 0);
}
