/* ═══════════════════════════════════════════════════════════════════════════
   🧩 PREMIUM COMPONENT LIBRARY — IRONION SARL
   Industrial B2B Components with Advanced Interactions
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────
   🎯 CONTAINER & LAYOUT
   ───────────────────────────────────────────────────────────────────────── */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--grid-gutter);
}

.section {
    padding: var(--space-96) 0;
    position: relative;
}

@media (max-width: 1023px) {
    .section {
        padding: var(--space-64) 0;
    }
}

@media (max-width: 767px) {
    .section {
        padding: var(--space-48) 0;
    }
}

/* ─────────────────────────────────────────────────────────────────────────
   🎬 PREMIUM NAVBAR — GLASS MORPHISM + STICKY
   ───────────────────────────────────────────────────────────────────────── */

.navbar-premium {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(11, 13, 15, 0.65);
    backdrop-filter: blur(var(--blur-nav));
    -webkit-backdrop-filter: blur(var(--blur-nav));
    border-bottom: 1px solid var(--stroke-subtle);
    z-index: 1000;
    transition: all var(--duration-normal) var(--easing-standard);
}

.navbar-premium.scrolled {
    background: rgba(11, 13, 15, 0.85);
    box-shadow: var(--shadow-md);
}

.navbar-premium .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    font-family: var(--font-display);
    font-size: var(--text-h3);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
}

.navbar-brand img {
    height: 32px;
    width: auto;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-32);
    list-style: none;
}

.navbar-link {
    font-weight: var(--weight-medium);
    font-size: var(--text-body);
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-8) 0;
    transition: color var(--duration-fast) var(--easing-standard);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-accent);
    transition: width var(--duration-normal) var(--easing-emphasized);
}

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

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

/* ─────────────────────────────────────────────────────────────────────────
   🎨 BUTTONS — PREMIUM INDUSTRIAL
   ───────────────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    height: 48px;
    padding: 0 var(--space-24);
    font-family: var(--font-body);
    font-size: var(--text-body);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--easing-emphasized);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--brand-accent);
    color: var(--text-inverse);
    box-shadow: var(--shadow-glow-accent);
}

.btn-primary:hover {
    background: var(--brand-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.50), 0 20px 65px rgba(249, 115, 22, 0.25);
}

.btn-primary:active {
    background: var(--brand-accent-pressed);
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--stroke-default);
}

.btn-outline:hover {
    background: rgba(244, 246, 248, 0.05);
    border-color: var(--stroke-strong);
    transform: translateY(-2px);
}

.btn-link {
    background: transparent;
    color: var(--brand-accent);
    padding: 0;
    height: auto;
    position: relative;
}

.btn-link::after {
    content: '→';
    margin-left: var(--space-6);
    transition: transform var(--duration-fast) var(--easing-standard);
}

.btn-link:hover::after {
    transform: translateX(4px);
}

/* Large button variant */
.btn-lg {
    height: 56px;
    padding: 0 var(--space-32);
    font-size: var(--text-body-lg);
}

/* ─────────────────────────────────────────────────────────────────────────
   🎭 HERO CINEMATICO — INDUSTRY GRADE
   ───────────────────────────────────────────────────────────────────────── */

.hero-premium {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero-glow);
    pointer-events: none;
    z-index: 1;
}

.hero-premium::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient-ambient);
    pointer-events: none;
    z-index: 1;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.25;
    filter: grayscale(0.5) brightness(0.6);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-12);
    background: rgba(244, 246, 248, 0.06);
    border: 1px solid var(--stroke-subtle);
    border-radius: var(--radius-pill);
    font-size: var(--text-label);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-24);
    animation: fadeInDown 0.8s var(--easing-emphasized) 0.2s both;
}

.hero-headline {
    font-size: var(--text-hero-h1);
    font-weight: var(--weight-extrabold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-24);
    text-transform: uppercase;
}

.hero-headline .accent {
    color: var(--brand-accent);
    position: relative;
    display: inline-block;
}

.hero-headline .accent::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-accent);
    opacity: 0.3;
}

.hero-headline span:nth-child(1) {
    animation: fadeInUp 0.8s var(--easing-emphasized) 0.4s both;
}

.hero-headline span:nth-child(2) {
    animation: fadeInUp 0.8s var(--easing-emphasized) 0.6s both;
}

.hero-headline span:nth-child(3) {
    animation: fadeInUp 0.8s var(--easing-emphasized) 0.8s both;
}

.hero-description {
    font-size: var(--text-body-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-40);
    max-width: 600px;
    animation: fadeInUp 0.8s var(--easing-emphasized) 1s both;
}

.hero-ctas {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--easing-emphasized) 1.2s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-40);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
    color: var(--text-muted);
    font-size: var(--text-caption);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    animation: float 3s ease-in-out infinite;
    z-index: 2;
}

.hero-scroll-indicator::before {
    content: '';
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--text-muted));
}

/* ─────────────────────────────────────────────────────────────────────────
   🎴 PREMIUM CARDS — GLASS MORPHISM
   ───────────────────────────────────────────────────────────────────────── */

.card-premium {
    background: var(--bg-surface);
    border: 1px solid var(--stroke-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-32);
    transition: all var(--duration-normal) var(--easing-emphasized);
    position: relative;
    overflow: hidden;
}

.card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glass);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--easing-standard);
    pointer-events: none;
}

.card-premium:hover {
    transform: translateY(var(--hover-lift-y)) scale(var(--hover-scale));
    border-color: var(--stroke-accent);
    box-shadow: var(--shadow-glow-accent);
}

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

.card-glass {
    background: var(--gradient-glass);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
    border: 1px solid rgba(244, 246, 248, 0.12);
}

/* Image card variant */
.card-image {
    padding: 0;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--easing-emphasized);
}

.card-image:hover img {
    transform: scale(1.03);
}

.card-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-32);
    background: var(--gradient-image-overlay);
}

/* ─────────────────────────────────────────────────────────────────────────
   📊 STATS COUNTER — ANIMATED
   ───────────────────────────────────────────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-48);
}

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

.stat-number {
    font-size: 64px;
    font-weight: var(--weight-extrabold);
    color: var(--brand-accent);
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: var(--space-12);
    letter-spacing: var(--tracking-tight);
}

.stat-label {
    font-size: var(--text-body);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: var(--weight-medium);
}

/* ─────────────────────────────────────────────────────────────────────────
   🎯 ANIMATIONS KEYFRAMES
   ───────────────────────────────────────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: var(--shadow-glow-accent);
    }

    50% {
        box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.60), 0 20px 70px rgba(249, 115, 22, 0.30);
    }
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--easing-emphasized);
}

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

/* Stagger animation for children */
.stagger-children>* {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--easing-emphasized);
}

.stagger-children.is-visible>*:nth-child(1) {
    transition-delay: 0.1s;
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible>*:nth-child(2) {
    transition-delay: 0.2s;
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible>*:nth-child(3) {
    transition-delay: 0.3s;
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible>*:nth-child(4) {
    transition-delay: 0.4s;
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible>*:nth-child(5) {
    transition-delay: 0.5s;
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible>*:nth-child(6) {
    transition-delay: 0.6s;
    opacity: 1;
    transform: translateY(0);
}

/* ─────────────────────────────────────────────────────────────────────────
   📱 RESPONSIVE
   ───────────────────────────────────────────────────────────────────────── */

@media (max-width: 1023px) {
    .navbar-nav {
        gap: var(--space-24);
    }

    .hero-content {
        max-width: 600px;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-32);
    }
}

@media (max-width: 767px) {
    .navbar-nav {
        display: none;
        /* Implement mobile menu separately */
    }

    .hero-premium {
        min-height: 90vh;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 48px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────
   📂 PREMIUM DROPDOWN MENU
   ───────────────────────────────────────────────────────────────────────── */

.navbar-nav li {
    position: relative;
    /* Ensure dropdown is positioned relative to the nav item */
}

/* Add padding to the containing LI to create a hover buffer */
/* This helps prevent the dropdown from closing if the mouse moves slightly off */
.navbar-nav li:hover::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 20px;
    /* Invisible bridge to the dropdown */
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    /* Slightly below */
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(11, 13, 15, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--stroke-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-8);
    min-width: 260px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.0, 0.0, 1.0);
    /* Snappy easing */
    box-shadow: var(--shadow-xl);
    z-index: 1100;
    pointer-events: none;
    /* Prevent clicks when hidden */
    list-style: none;
    margin: 0;
}

/* Show dropdown on hover */
.navbar-nav li:hover .dropdown-menu,
.navbar-nav li:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-item {
    display: block;
    padding: var(--space-12) var(--space-16);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: var(--weight-medium);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--easing-standard);
    white-space: nowrap;
    text-decoration: none;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--brand-accent);
    transform: translateX(4px);
    text-decoration: none;
    border-bottom: none;
}

/* Arrow indicator for dropdown trigger */
.dropdown-toggle::after {
    content: '▾';
    display: inline-block;
    margin-left: 6px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.navbar-nav li:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

/* Triangle pointer for menu */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: rgba(11, 13, 15, 0.95);
    border-top: 1px solid var(--stroke-subtle);
    border-left: 1px solid var(--stroke-subtle);
    z-index: -1;
}
/* Fix for Items > 6 visibility */
.stagger-children.is-visible > *:nth-child(n+7) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s; /* Faster reveal for the rest */
}