/* Terabyte IT Network — Dark + Green Tech Theme */

:root {
    --tb-bg-deep: #050d18;
    --tb-bg-card: #0f1f2e;
    --tb-bg-elevated: #132536;
    --tb-green: #22c55e;
    --tb-green-dim: #16a34a;
    --tb-green-glow: rgba(34, 197, 94, 0.35);
    --tb-text: #e2e8f0;
    --tb-muted: #94a3b8;
    --tb-border: rgba(34, 197, 94, 0.2);
    --tb-font: 'Plus Jakarta Sans', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--tb-font);
    background: var(--tb-bg-deep);
    color: var(--tb-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 9999;
    padding: 0.5rem 1rem;
    background: var(--tb-green);
    color: #000;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.navbar {
    background: linear-gradient(180deg, rgba(5, 13, 24, 0.98) 0%, rgba(10, 22, 40, 0.95) 100%) !important;
    backdrop-filter: blur(12px);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--tb-green) 0%, var(--tb-green-dim) 100%);
    color: #042;
    font-size: 1.1rem;
}

.navbar .nav-link {
    color: var(--tb-muted) !important;
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: 0.5rem;
    transition: color 0.2s, background 0.2s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: #fff !important;
    background: rgba(34, 197, 94, 0.12);
}

.hero-section {
    position: relative;
    padding: 4rem 0 5rem;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--tb-green-glow), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(34, 197, 94, 0.08), transparent 50%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid var(--tb-border);
    color: var(--tb-green);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(90deg, #4ade80, #22c55e, #86efac);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.btn-success {
    background: linear-gradient(135deg, var(--tb-green) 0%, var(--tb-green-dim) 100%);
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 24px var(--tb-green-glow);
}

.btn-success:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--tb-text);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.pulse-btn {
    animation: pulse-soft 2.5s ease-in-out infinite;
}

@keyframes pulse-soft {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.35); }
    50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.section-title {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-sub {
    color: var(--tb-muted);
    max-width: 560px;
}

.feature-card {
    background: var(--tb-bg-card);
    border: 1px solid var(--tb-border);
    border-radius: 1rem;
    padding: 1.75rem;
    height: 100%;
    transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 197, 94, 0.45);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 197, 94, 0.15);
    color: var(--tb-green);
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.package-card {
    background: var(--tb-bg-card);
    border: 1px solid var(--tb-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.package-card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.package-card .card-header-custom {
    background: linear-gradient(135deg, var(--tb-bg-elevated) 0%, var(--tb-bg-card) 100%);
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--tb-border);
}

.package-speed {
    font-size: 2rem;
    font-weight: 800;
    color: var(--tb-green);
    line-height: 1;
}

.package-price {
    font-size: 1.75rem;
    font-weight: 700;
}

.testimonial-card {
    background: var(--tb-bg-card);
    border: 1px solid var(--tb-border);
    border-radius: 1rem;
    padding: 1.5rem;
    height: 100%;
    transition: border-color 0.2s;
}

.testimonial-card:hover {
    border-color: rgba(34, 197, 94, 0.35);
}

.stars {
    color: #fbbf24;
    letter-spacing: 0.1em;
}

.cta-banner {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, var(--tb-bg-card) 50%, rgba(15, 31, 46, 0.9) 100%);
    border: 1px solid var(--tb-border);
    border-radius: 1.25rem;
    padding: 2.5rem 2rem;
}

.footer {
    background: linear-gradient(180deg, var(--tb-bg-deep) 0%, #020810 100%);
}

.footer-links a {
    color: var(--tb-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.whatsapp-float {
    position: fixed;
    width: 56px;
    height: 56px;
    bottom: 24px;
    right: 24px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
    z-index: 1050;
    transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    color: #fff;
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.speedtest-float-btn {
    position: fixed;
    right: 24px;
    bottom: 92px;
    z-index: 1045;
    font-weight: 600;
}

.form-control,
.form-select {
    background: var(--tb-bg-elevated);
    border: 1px solid var(--tb-border);
    color: var(--tb-text);
}

.form-control:focus,
.form-select:focus {
    background: var(--tb-bg-elevated);
    border-color: var(--tb-green);
    color: var(--tb-text);
    box-shadow: 0 0 0 0.2rem rgba(34, 197, 94, 0.2);
}

.form-control::placeholder {
    color: var(--tb-muted);
}

.form-label {
    color: var(--tb-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

.page-header {
    padding: 3rem 0 2rem;
    background: linear-gradient(180deg, rgba(34, 197, 94, 0.08) 0%, transparent 100%);
}

.animate-fade-up {
    animation: fadeUp 0.7s ease forwards;
    opacity: 0;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

@media (max-width: 991px) {
    .hero-section {
        padding: 3rem 0 3.5rem;
    }
    .speedtest-float-btn {
        right: 16px;
        bottom: 88px;
        padding: 0.5rem 0.9rem;
        font-size: 0.9rem;
    }
}