/* VIAVI — Solo lo que Bootstrap 5 no cubre */

/* Tokens */
:root {
    --viavi-green: #2ECC71;
    --viavi-green-deep: #27AE60;
    --bg-0: #F8F6F2;
    --bg-1: #FCFBF9;
    --border-color: #EAECF0;
    --text-primary: #1A1A1A;
    --text-muted: #5A6478;
    --nav-bg: ;
    --card-bg: #FFFFFF;
    --footer-bg: #111111;
    --footer-text: #8B95A8;
    --transition: .2s ease;
    --radius-card: 12px;
}

[data-theme="dark"] {
    --bg-0: #2C3E50;
    --bg-1: #161616;
    --border-color: #2C3E50;
    --text-primary: #F0F0F0;
    --text-muted: #8B95A8;
    --nav-bg: ;
    --card-bg: #242424;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--bg-0);
    color: var(--text-primary);
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--viavi-green);
    text-decoration: none;
}

a:hover {
    color: var(--viavi-green-deep);
}

/* Navbar */
.viavi-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var();
}

.viavi-nav .nav-link {
    color: var(--text-primary) !important;
    font-size: .875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: background var(--transition);
}

.viavi-nav .nav-link:hover {
    background: var(--bg-1);
    color: var(--viavi-green) !important;
}

.viavi-nav .nav-link.active {
    color: var(--viavi-green) !important;
}

/* Logo theme switching */
[data-theme="dark"] .logo-light {
    display: none !important;
}

[data-theme="dark"] .logo-dark {
    display: inline !important;
}

[data-theme="light"] .logo-light {
    display: inline !important;
}

[data-theme="light"] .logo-dark {
    display: none !important;
}

/* Controls */
.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--bg-1);
    border-color: var(--viavi-green);
    color: var(--viavi-green);
}

.lang-switch {
    font-size: .8rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0 .6rem;
    height: 36px;
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    transition: all var(--transition);
}

.lang-switch:hover {
    border-color: var(--viavi-green);
    color: var(--viavi-green);
}

/* Brand buttons */
.btn-viavi {
    background: var(--viavi-green);
    color: #2C3E50;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: .875rem;
    padding: .6rem 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    transition: background var(--transition), transform var(--transition);
}

.btn-viavi:hover {
    background: var(--viavi-green-deep);
    color: #fff;
    transform: translateY(-1px);
}

.btn-viavi-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    font-size: .875rem;
    padding: .6rem 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    transition: all var(--transition);
}

.btn-viavi-outline:hover {
    border-color: var(--viavi-green);
    color: var(--viavi-green);
    transform: translateY(-1px);
}

/* Hero */
.viavi-hero {
    background: var(--bg-0);
    padding: 7rem 0 5rem;
    border-bottom: 1px solid var(--border-color);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--viavi-green);
    background: rgba(46, 204, 113, .1);
    border: 1px solid rgba(46, 204, 113, .25);
    border-radius: 20px;
    padding: .25rem .75rem;
    margin-bottom: 1.25rem;
}

.viavi-hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-primary);
    letter-spacing: -.02em;
}

.viavi-hero h1 span {
    color: var(--viavi-green);
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.6;
}

/* Trust bar */
.trust-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.trust-item i {
    color: var(--viavi-green);
    font-size: 1.1rem;
}

/* Product card */
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
    border-color: var(--viavi-green);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .06);
}

[data-theme="dark"] .product-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

.product-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(46, 204, 113, .1);
    border: 1px solid rgba(46, 204, 113, .2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--viavi-green);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.product-card-category {
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
    margin-bottom: .35rem;
}

.product-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: .5rem;
}

.product-card p {
    font-size: .875rem;
    color: var(--text-muted);
    flex-grow: 1;
    line-height: 1.55;
}

.product-card-footer {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

.product-price {
    font-size: .8rem;
    color: var(--text-muted);
}

.product-price strong {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.badge-new {
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(46, 204, 113, .15);
    color: var(--viavi-green);
    border: 1px solid rgba(46, 204, 113, .3);
    border-radius: 4px;
    padding: .15rem .4rem;
}

/* Filter */
.filter-btn {
    font-size: .8rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: .3rem .85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--viavi-green);
    border-color: var(--viavi-green);
    color: #fff;
}

/* Tier card */
.tier-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 2rem 1.75rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.tier-card.tier-popular {
    border-color: var(--viavi-green);
}

.tier-popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--viavi-green);
    color: #fff;
    border-radius: 20px;
    padding: .2rem .85rem;
    white-space: nowrap;
}

.tier-price .amount {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.tier-price .currency {
    font-size: .875rem;
    color: var(--text-muted);
    vertical-align: super;
}

.tier-price .period {
    font-size: .8rem;
    color: var(--text-muted);
    display: block;
    margin-top: .25rem;
}

.tier-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex-grow: 1;
}

.tier-features li {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    font-size: .875rem;
    color: var(--text-muted);
    padding: .35rem 0;
    border-bottom: 1px solid var(--border-color);
}

.tier-features li:last-child {
    border-bottom: none;
}

.tier-features li i {
    color: var(--viavi-green);
    font-size: .9rem;
    flex-shrink: 0;
    margin-top: .1rem;
}

/* Forms dark mode override */
.form-control,
.form-select {
    background: var(--bg-1);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-1);
    color: var(--text-primary);
    border-color: var(--viavi-green);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, .15);
}

/* Terminal */
.terminal-block {
    background: var(--card-bg);
    border: 1px solid #4a4a4a;
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: .85rem;
    color: var(--text-muted);
    overflow-x: auto;
}

.terminal-block .prompt {
    color: var(--viavi-green);
    user-select: none;
}

/* Footer */
.viavi-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 3.5rem 0 2rem;
}

.viavi-footer h6 {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #F0F0F0;
    margin-bottom: 1rem;
}

.viavi-footer a {
    color: var(--footer-text);
    font-size: .875rem;
    display: block;
    margin-bottom: .4rem;
    transition: color var(--transition);
}

.viavi-footer a:hover {
    color: var(--viavi-green);
}

.footer-bottom {
    font-size: .8rem;
    color: #4a4a4a;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .45s ease, transform .45s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}