/* ============================================
   Components
   ============================================ */

/* === NAVBAR === */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4) 0;
    transition: background var(--duration-normal) var(--ease-in-out),
                backdrop-filter var(--duration-normal) var(--ease-in-out),
                border-color var(--duration-normal) var(--ease-in-out),
                padding var(--duration-normal) var(--ease-in-out);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom-color: var(--glass-border);
    padding: var(--space-3) 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-logo-img {
    height: 51px;
    width: 51px;
    object-fit: contain;
}

.nav-logo-text {
    font-family: 'Roboto', sans-serif;
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer logo */
.footer-logo-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
    margin-bottom: var(--space-2);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--duration-fast) var(--ease-in-out),
                background var(--duration-fast) var(--ease-in-out);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: var(--space-4);
    right: var(--space-4);
    height: 2px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-icon {
    width: 12px;
    height: 12px;
    margin-left: var(--space-1);
    transition: transform var(--duration-fast) var(--ease-in-out);
}

.nav-dropdown:hover .nav-dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 200px;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-fast) var(--ease-in-out),
                visibility var(--duration-fast) var(--ease-in-out),
                transform var(--duration-fast) var(--ease-in-out);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-in-out);
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.dropdown-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.dropdown-dot.cyan { background: var(--accent-primary); box-shadow: 0 0 8px rgba(0, 212, 255, 0.4); }
.dropdown-dot.amber { background: var(--accent-warm); box-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }

/* Nav CTA */
.nav-cta {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--accent-primary) !important;
    margin-left: var(--space-2);
}

.nav-cta:hover {
    background: rgba(0, 212, 255, 0.18) !important;
    border-color: rgba(0, 212, 255, 0.4);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: calc(var(--z-overlay) + 1);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-overlay);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-in-out);
}

.nav-overlay.active {
    display: flex;
    opacity: 1;
}

.nav-overlay .nav-link {
    font-size: var(--text-2xl);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(20px);
    animation: mobileNavIn 0.4s var(--ease-out) forwards;
}

.nav-overlay .nav-link:nth-child(1) { animation-delay: 50ms; }
.nav-overlay .nav-link:nth-child(2) { animation-delay: 100ms; }
.nav-overlay .nav-link:nth-child(3) { animation-delay: 150ms; }
.nav-overlay .nav-link:nth-child(4) { animation-delay: 200ms; }
.nav-overlay .nav-link:nth-child(5) { animation-delay: 250ms; }
.nav-overlay .nav-link:nth-child(6) { animation-delay: 300ms; }

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


/* === BUTTONS === */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-out);
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: 1px solid var(--accent-primary);
}

.btn-primary:hover {
    color: var(--bg-primary);
    background: #33dfff;
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.btn-secondary:hover {
    color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.btn-warm {
    background: var(--accent-warm);
    color: var(--bg-primary);
    border: 1px solid var(--accent-warm);
}

.btn-warm:hover {
    color: var(--bg-primary);
    background: #fbbf24;
    box-shadow: var(--glow-warm);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-icon {
    width: 18px;
    height: 18px;
}


/* === GLASS CARD === */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: border-color var(--duration-normal) var(--ease-in-out),
                box-shadow var(--duration-normal) var(--ease-in-out),
                transform var(--duration-normal) var(--ease-out);
}

.glass-card:hover {
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-subtle);
}

.glass-card-lift:hover {
    transform: translateY(-4px);
}

.glass-card.warm:hover {
    border-color: rgba(245, 158, 11, 0.15);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.06);
}


/* === FEATURE CARD === */

.feature-card {
    padding: var(--space-8);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: var(--glow-subtle);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    margin-bottom: var(--space-5);
    color: var(--accent-primary);
    font-size: var(--text-xl);
}

.feature-icon.warm {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-warm);
}

.feature-card h3 {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-3);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}


/* === STAT CARD === */

.stat-item {
    text-align: center;
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: var(--weight-extrabold);
    letter-spacing: var(--tracking-tight);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
}

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


/* === BADGE === */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
}

.badge.warm {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--accent-warm);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: currentColor;
}


/* === FOOTER === */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-brand .nav-logo-img,
.footer-brand .footer-logo-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
}

.footer-brand p {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-4);
    max-width: 280px;
}

.footer-heading {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--text-tertiary);
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--duration-fast) var(--ease-in-out);
}

.footer-link:hover {
    color: var(--accent-primary);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.footer-contact-icon {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
}

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.footer-social a {
    color: var(--text-tertiary);
    transition: color var(--duration-fast) var(--ease-in-out);
}

.footer-social a:hover {
    color: var(--accent-primary);
}


/* === DIVIDER === */

.divider {
    width: 100%;
    height: 1px;
    background: var(--border-subtle);
    margin-block: var(--space-12);
}

/* === PAGE HERO (shared across product/about/etc pages) === */

.page-hero {
    position: relative;
    padding-top: calc(80px + var(--space-20));
    padding-bottom: var(--space-20);
    text-align: center;
    overflow: hidden;
}

.page-hero .section-bg {
    background: var(--gradient-mesh);
}

.page-hero h1 {
    margin-bottom: var(--space-6);
}

.page-hero .lead {
    max-width: 600px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

.page-hero .hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}