/* Precise Engineering — Premium visual enhancements */

:root {
    --shadow-lg: 0 12px 40px rgba(23, 122, 121, 0.1);
    --shadow-premium: 0 8px 32px rgba(74, 85, 85, 0.1);
    --gradient-hero: linear-gradient(160deg, #f7fafa 0%, #ffffff 45%, #eef7f7 100%);
    --gradient-teal: linear-gradient(135deg, #177A79 0%, #126665 100%);
    --gradient-cta: linear-gradient(135deg, #e8f4f4 0%, #f7fafa 50%, #ffffff 100%);
}

/* Page load — class hook for future enhancements */
body.is-loaded .hero-content,
body.is-loaded .page-hero .hero-content {
    animation: hero-content-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes hero-content-in {
    from { opacity: 0.6; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header — glass effect on scroll removed */
.header.scrolled {
    background: transparent;
    box-shadow: 0 4px 24px rgba(74, 85, 85, 0.07);
    border-bottom-color: rgba(221, 232, 232, 0.6);
}

/* Nav active indicator */
.nav-link.active,
.nav-dropdown-toggle.active {
    position: relative;
}

.nav-link.active::after,
.nav-dropdown-toggle.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--teal);
    border-radius: 2px;
    animation: nav-underline-in 0.35s ease forwards;
}

@keyframes nav-underline-in {
    from { transform: scaleX(0); opacity: 0; }
    to { transform: scaleX(1); opacity: 1; }
}

@media (max-width: 768px) {
    .nav-link.active::after,
    .nav-dropdown-toggle.active::after {
        display: none;
    }
}

/* Buttons */
.btn {
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-primary {
    box-shadow: 0 4px 14px rgba(23, 122, 121, 0.22);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(23, 122, 121, 0.32);
}

.btn-outline:hover {
    transform: translateY(-1px);
}

.btn-quote:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(23, 122, 121, 0.15);
}

/* Section headers — accent line */
.section-header .label {
    position: relative;
    padding-bottom: 4px;
}

.section-header .label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--teal), rgba(70, 160, 149, 0.3));
    border-radius: 2px;
}

.section-header.text-left .label::after,
.text-left .section-header .label::after {
    left: 0;
    transform: none;
}

/* Hero — homepage & inner pages */
.hero,
.page-hero {
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before,
.page-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 55%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(23, 122, 121, 0.07) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}

.hero::after,
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    pointer-events: none;
}

.hero .container,
.page-hero .container {
    position: relative;
    z-index: 1;
}

.hero-image-wrap {
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(23, 122, 121, 0.1);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s ease;
}

.hero-visual.is-parallax .hero-image-wrap {
    will-change: transform;
}

.hero-title,
.page-hero .hero-title {
    letter-spacing: -0.025em;
}

/* Floating badges */
@keyframes float-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.hero-float-badge {
    animation: float-gentle 5s ease-in-out infinite;
    box-shadow: 0 4px 16px rgba(74, 85, 85, 0.1);
}

.badge-top-right {
    animation-delay: 0.6s;
}

.badge-bottom,
.badge-bottom-right {
    animation-delay: 1.2s;
}

.badge-bottom {
    animation-name: float-gentle-center;
}

@keyframes float-gentle-center {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

/* Industry pills */
.industry-pills {
    background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%);
}

.pill {
    box-shadow: 0 2px 8px rgba(74, 85, 85, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(23, 122, 121, 0.12);
}

/* Premium cards — shared */
.product-card,
.catalog-card,
.why-card,
.process-card,
.service-card,
.industry-card,
.highlight-card,
.app-usage-card,
.pd-feature-card {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.product-card:hover,
.catalog-card:hover,
.why-card:hover,
.process-card:hover,
.highlight-card:hover,
.app-usage-card:hover {
    box-shadow: var(--shadow-premium);
}

.why-card {
    border-top: 3px solid transparent;
}

.why-card:hover {
    border-top-color: var(--teal);
}

.why-icon {
    transition: transform 0.35s ease, background 0.35s ease;
}

.why-card:hover .why-icon {
    transform: scale(1.06);
    background: var(--teal-mid);
}

/* Stats strip */
.stats-strip {
    background: var(--white);
    border: none;
    position: relative;
    overflow: hidden;
}

.stats-strip::before {
    display: none;
}

.stats-strip .stat-block strong {
    font-variant-numeric: tabular-nums;
}

.stats-strip .stat-block span {
    color: var(--text-muted);
}

.stat-block {
    position: relative;
    z-index: 1;
}

/* Process cards */
.process-card:hover .process-img img {
    transform: scale(1.04);
}

.process-img img {
    transition: transform 0.5s ease;
}

.process-num {
    font-size: 0.8125rem;
    color: var(--teal);
    background: var(--teal-light);
    padding: 4px 10px;
    border-radius: 50px;
    border: 1px solid var(--teal-mid);
}

/* Industry cards */
.industry-card {
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium);
    border-color: var(--teal-mid);
}

.industry-icon {
    transition: transform 0.35s ease, background 0.35s ease;
}

.industry-card:hover .industry-icon {
    transform: scale(1.08);
    background: var(--teal-mid);
}

/* Service cards */
.service-card img {
    transition: transform 0.5s ease;
}

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

/* Card links */
.card-link {
    transition: gap 0.25s ease, color 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-link:hover {
    gap: 10px;
}

.card-link span {
    transition: transform 0.25s ease;
}

.card-link:hover span {
    transform: translateX(3px);
}

/* CTA sections */
.cta-section {
    background: var(--gradient-cta);
    border-top: none;
    position: relative;
}

.cta-section::before,
.final-cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--teal), transparent);
    border-radius: 2px;
}

.final-cta-box {
    background: var(--gradient-cta);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    padding: 56px 40px;
}

/* Footer */
.footer {
    border-top: none;
}

.footer:not(.footer-dark) {
    background: linear-gradient(180deg, var(--off-white) 0%, #eef5f5 100%);
    border-top: 3px solid var(--teal);
}

.footer-col h4 {
    color: var(--teal-dark);
}

.footer-col ul li a:hover {
    color: var(--teal);
    padding-left: 4px;
    transition: padding-left 0.2s ease, color 0.2s ease;
}

/* Certificates */
.certificates {
    position: relative;
}

.cert-inner {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 56px 40px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

/* Breadcrumb */
.breadcrumb-bar {
    background: var(--gradient-hero);
}

/* Product filters */
.product-filter-btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.product-filter-btn.active {
    box-shadow: 0 4px 14px rgba(23, 122, 121, 0.2);
}

.product-filter-btn:hover:not(.active) {
    transform: translateY(-1px);
}

/* FAQ */
.faq-item {
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.faq-item.open {
    box-shadow: var(--shadow-sm);
    border-color: var(--teal-mid);
}

/* Contact form */
.contact-form-card,
.contact-info-panel {
    box-shadow: var(--shadow-premium);
    transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.contact-form-card:hover,
.contact-info-panel:hover {
    box-shadow: var(--shadow-lg);
}

.quick-contact-card {
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.quick-contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(23, 122, 121, 0.12);
    outline: none;
}

.form-group.is-focused label {
    color: var(--teal);
}

/* Enhanced fade animations */
.fade-up {
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-up.visible {
    transform: translateY(0);
}

/* Stagger children */
[data-stagger] > .fade-up.visible:nth-child(1) { transition-delay: 0ms; }
[data-stagger] > .fade-up.visible:nth-child(2) { transition-delay: 80ms; }
[data-stagger] > .fade-up.visible:nth-child(3) { transition-delay: 160ms; }
[data-stagger] > .fade-up.visible:nth-child(4) { transition-delay: 240ms; }
[data-stagger] > .fade-up.visible:nth-child(5) { transition-delay: 320ms; }
[data-stagger] > .fade-up.visible:nth-child(6) { transition-delay: 400ms; }
[data-stagger] > .fade-up.visible:nth-child(7) { transition-delay: 480ms; }

/* Section reveal line */
.section.is-visible::before {
    opacity: 1;
    transform: scaleX(1);
}

.section-premium-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 0 auto;
    max-width: 200px;
}

/* Quality highlights bar */
.quality-highlights {
    background: var(--gradient-teal);
}

.quality-highlight h3 {
    color: var(--white);
}

.quality-highlight p {
    color: rgba(255, 255, 255, 0.85);
}

/* Service catalogue cards */
.service-catalog-card,
.value-card {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

.service-catalog-card:hover,
.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium);
}

/* Related cards on detail pages */
.related-card {
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium);
}

/* Product detail hero */
.pd-hero-image-wrap {
    box-shadow: var(--shadow-lg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.pd-gallery-item {
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.pd-gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

/* About highlight cards */
.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-premium);
    border-color: var(--teal-mid);
}

.highlight-dot {
    transition: transform 0.35s ease;
}

.highlight-card:hover .highlight-dot {
    transform: scale(1.2);
}

/* --- Brochure Modal --- */
.brochure-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.brochure-modal-overlay.active {
    opacity: 1;
}

.brochure-modal-container {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-md);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    border: 1px solid var(--border);
}

.brochure-modal-overlay.active .brochure-modal-container {
    transform: translateY(0);
}

.brochure-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

.brochure-modal-close:hover {
    color: var(--teal);
}

.brochure-modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--charcoal);
}

.brochure-modal-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.5;
}

.brochure-form .form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.brochure-form .form-group {
    flex: 1;
    margin-bottom: 16px;
}

.brochure-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--charcoal);
}

.brochure-form input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--off-white);
    color: var(--charcoal);
    font-family: inherit;
    transition: all 0.2s ease;
}

.brochure-form input:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(26, 116, 116, 0.1);
}

@media (prefers-reduced-motion: reduce) {
    .fade-up { transition: none; opacity: 1; transform: none; }
    .hero-float-badge { animation: none; }
    .btn-primary:hover { transform: none; }
    body.is-loaded .hero-content,
    body.is-loaded .page-hero .hero-content { animation: none; }
}