/* ==========================================================================
   PT. BORNEO KAYU INDAH - Corporate Style Sheet
   Premium Light Theme for Wood Veneer Export Industry
   ========================================================================== */

:root {
    /* Color System */
    --primary: #487548;
    --primary-hover: #355835;
    --primary-light: #f2f7f2;
    --primary-glow: rgba(72, 117, 72, 0.12);
    --primary-gradient: linear-gradient(135deg, #487548 0%, #2f4f2f 100%);
    
    --wood-accent: #a27b5c;
    --wood-hover: #8f6a4e;
    --wood-light: #f7f3ef;
    
    --cream: #faf7f2;
    --beige: #f4eee1;
    
    --bg-main: #ffffff;
    --bg-alt: #fafbfa;
    --bg-card: #ffffff;
    --bg-navbar: rgba(255, 255, 255, 0.94);
    
    --text-main: #1f2721;
    --text-muted: #566459;
    --text-light: #89988d;
    
    --border-color: #e5ebe5;
    --border-light: #f0f4f0;
    
    /* Layout Tokens */
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 35px rgba(72, 117, 72, 0.06);
    --shadow-lg: 0 20px 50px rgba(25, 35, 25, 0.08);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
}

/* Base resets & typography */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
    background: transparent;
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

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

/* Spacing & Layout Utilities */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--wood-accent);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 4.5rem;
}

/* Custom Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--wood-light);
    color: var(--wood-accent);
    border: 1px solid rgba(162, 123, 92, 0.2);
}

.btn-secondary:hover {
    background: var(--wood-accent);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-navbar);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar-header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 0.2rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

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

.brand-name {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary);
    line-height: 1.1;
}

.brand-accent {
    color: var(--wood-accent);
}

.brand-tagline {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-top: 0.1rem;
}

/* Nav Menu links */
.nav-list {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-actions-wrapper {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

/* Language Swapper Buttons */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    background: var(--bg-alt);
}

.lang-btn {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: var(--text-light);
}

.lang-btn.active {
    background: var(--primary);
    color: #ffffff;
}

.btn-nav-cta {
    background: var(--primary-gradient);
    color: #ffffff;
    font-size: 0.88rem;
    padding: 0.65rem 1.4rem;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-nav-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Hamburger mobile */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 1100;
}

.hamburger-btn span {
    width: 100%;
    height: 2px;
    background: var(--text-main);
    border-radius: 1px;
    transition: var(--transition);
}

.hamburger-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}
.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: 130px;
    padding-bottom: 7rem;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, #f7faf7 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 1.1rem;
    background: var(--primary-light);
    border: 1px solid rgba(72, 117, 72, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.text-highlight {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.12rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

/* Trust Bar / Certifications */
.hero-trust-bar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.8rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
}

.trust-item i {
    color: var(--primary);
    font-size: 1rem;
}

.trust-divider {
    width: 1px;
    height: 16px;
    background-color: var(--border-color);
}

/* Hero Right Visual Column */
.hero-visual-card {
    position: relative;
    width: 100%;
}

.visual-image-wrapper {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 6s ease;
}

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

.visual-gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(25, 35, 25, 0) 60%, rgba(25, 35, 25, 0.4) 100%);
}

.hero-stat-floating {
    position: absolute;
    bottom: -20px;
    left: -20px;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.stat-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-meta {
    display: flex;
    flex-direction: column;
}

.stat-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
}

.stat-lbl {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-light);
}

/* ==========================================================================
   Stats Overview Section
   ========================================================================== */
.stats-overview-section {
    background: var(--cream);
    padding: 3.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.stat-box {
    text-align: center;
    flex: 1 1 220px;
    max-width: 260px;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
}

.stat-plus, .stat-percent {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--wood-accent);
}

.stat-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0.3rem 0;
}

.stat-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ==========================================================================
   About Company Section
   ========================================================================== */
.about-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
}

.about-lead-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.2rem;
}

.about-body-text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.about-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-pillars-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pillar-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pillar-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--wood-light);
    color: var(--wood-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.pillar-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
}

.pillar-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* About Right Image Box */
.about-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img {
    width: 100%;
    height: 520px;
    object-fit: cover;
}

.about-badge-overlay {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.2rem 1.8rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.overlay-title {
    display: block;
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
}

.overlay-desc {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-light);
}

/* ==========================================================================
   Products Section
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-img-holder {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.product-img-holder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 4s ease;
}

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

.product-badge {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: var(--wood-accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
}

.product-body {
    padding: 2.2rem;
}

.product-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
}

.product-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    height: 70px;
    overflow: hidden;
}

.product-specs {
    margin-bottom: 1.8rem;
    border-top: 1px solid var(--border-light);
    padding-top: 1.2rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.product-specs li {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-specs li i {
    color: var(--primary);
}

.btn-product-inquire {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
}

.btn-product-inquire:hover {
    gap: 0.8rem;
}

/* ==========================================================================
   Services Section & Production Process
   ========================================================================== */
.services-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.service-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
}

.service-box h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

.service-box p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.project-img-wrapper {
    height: 230px;
    overflow: hidden;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 4s ease;
}

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

.project-info {
    padding: 1.5rem;
}

.project-category {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--wood-accent);
    letter-spacing: 0.5px;
}

.project-name {
    font-size: 1.15rem;
    font-weight: 800;
    margin: 0.2rem 0 0.5rem 0;
}

.project-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.4rem 1.8rem;
    font-weight: 700;
    cursor: pointer;
    font-size: 1.05rem;
    color: var(--text-main);
}

.faq-question i {
    color: var(--wood-accent);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.8rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.4rem;
}

/* ==========================================================================
   Contact Section & Inquiry Form
   ========================================================================== */
.contact-card-main {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    overflow: hidden;
}

.contact-left {
    background: var(--primary-gradient);
    color: #ffffff;
    padding: 4.5rem 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.section-label-light {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--beige);
    margin-bottom: 0.8rem;
}

.contact-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.contact-desc {
    font-size: 1rem;
    color: var(--primary-light);
    opacity: 0.9;
    margin-bottom: 3.5rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
}

.detail-item i {
    font-size: 1.25rem;
    color: var(--beige);
    margin-top: 0.3rem;
}

.detail-item h5 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    color: #ffffff;
}

.detail-item p {
    font-size: 0.88rem;
    opacity: 0.85;
}

/* Contact Right Column (Form) */
.contact-right {
    padding: 4.5rem 3.5rem;
    background: var(--bg-card);
}

.form-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 1.8rem;
}

.corporate-form .form-group {
    margin-bottom: 1.4rem;
}

.corporate-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.corporate-form input,
.corporate-form select,
.corporate-form textarea {
    width: 100%;
    padding: 0.8rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-alt);
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.corporate-form input:focus,
.corporate-form select:focus,
.corporate-form textarea:focus {
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(72, 117, 72, 0.08);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--cream);
    border-top: 1px solid var(--border-color);
    padding-top: 5rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 3rem;
    padding-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 38px;
}

.footer-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-socials {
    display: flex;
    gap: 0.8rem;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.footer-socials a:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1.4rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--text-muted);
}

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

.footer-newsletter-text {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    font-size: 0.82rem;
    color: var(--text-light);
    font-weight: 600;
}

/* ==========================================================================
   Toast Alerts Systems
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1.4rem;
    border-radius: var(--radius-sm);
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    font-size: 0.88rem;
    font-weight: 700;
    border-left: 4px solid var(--primary);
    animation: toastIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transition: var(--transition);
}

.toast.success { border-left-color: var(--primary); }
.toast.error { border-left-color: #ef4444; }

/* ==========================================================================
   Animations System
   ========================================================================== */
@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal system Classes */
.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Viewport Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .nav-list {
        display: none; /* Mobile menu active */
    }
    
    .hamburger-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #ffffff;
        padding: 3rem 2rem;
        transition: var(--transition);
        overflow-y: auto;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.8rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-desc {
        margin: 0 auto 2.5rem auto;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-trust-bar {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-visual-card {
        max-width: 500px;
        margin: 0 auto;
    }

    .stats-grid {
        gap: 2.5rem;
    }

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image-card {
        max-width: 550px;
        margin: 0 auto;
    }

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 550px;
        margin: 0 auto;
    }

    .services-grid-3 {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-card-main {
        grid-template-columns: 1fr;
    }

    .contact-left {
        padding: 3.5rem 2rem;
    }

    .contact-right {
        padding: 3.5rem 2rem;
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        gap: 2rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.3rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-pillars-grid {
        grid-template-columns: 1fr;
    }
}