/* ============================================================
   HDC Telecom – Internet | CSS BASE (global)
   Responsável por: cores, reset, partículas, cursor,
   menu, carrossel, seções, rodapé, WhatsApp, scroll reveal
   ============================================================ */

:root {
    --laranja: #f77f00;
    --laranja-claro: #ffb347;
    --azul-claro: #00a8e8;
    --azul: #123a6b;
    --verde: #28a745;
    --texto: #2b3a4a;
    --cinza: #5b6b7b;
    --fundo: #f4f7fa;
    --branco: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--fundo);
    color: var(--texto);
    overflow-x: hidden;
}

/* ===== Partículas flutuantes de fundo ===== */
.particles {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    bottom: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--azul-claro) 0%, transparent 70%);
    opacity: 0.15;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    from { transform: translateY(0) translateX(0); }
    to   { transform: translateY(-110vh) translateX(30px); }
}

/* ===== Brilho que segue o mouse ===== */
.cursor-glow {
    position: fixed;
    top: 0; left: 0;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,168,232,0.10) 0%, rgba(0,168,232,0.03) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
}

/* ===== Ponto que acompanha o cursor ===== */
.cursor-dot {
    position: fixed;
    top: 0; left: 0;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--azul-claro);
    opacity: 0.35;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
}

/* ===== Menu fixo ===== */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255,255,255,0.92);
    border-bottom: 1px solid #e3e8ee;
    padding: 10px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    transition: box-shadow 0.3s ease;
}

/* Blur em pseudo-elemento: evita que a nav "prenda" (containing block)
   os elementos fixos/absolutos do menu e os recorte */
nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: -1;
}

nav.scrolled { box-shadow: 0 4px 20px rgba(18,58,107,0.10); }

/* ===== Linha de varredura no menu ===== */
nav .scan-line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--azul-claro), transparent);
    opacity: 0;
    animation: scan 5s linear infinite;
    pointer-events: none;
}

@keyframes scan {
    0%   { top: 6%;  opacity: 0; }
    8%   { opacity: 0.7; }
    92%  { opacity: 0.7; }
    100% { top: 94%; opacity: 0; }
}

/* ===== Marca animada no menu ===== */
nav .nav-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

nav .nav-logo img {
    max-height: 56px;
    width: auto;
    display: block;
}

.nav-marca .hdc-titulo {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 1.9rem;
    line-height: 0.95;
    letter-spacing: 2px;
    display: flex;
    gap: 2px;
}

.nav-marca .hdc-titulo .letra {
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: shimmer 4s ease-in-out infinite;
}

.nav-marca .hdc-titulo .h { background-image: linear-gradient(90deg, var(--azul) 0%, var(--azul-claro) 100%); }
.nav-marca .hdc-titulo .d { background-image: linear-gradient(90deg, var(--laranja) 0%, #ffb347 100%); animation-delay: 0.5s; }
.nav-marca .hdc-titulo .c { background-image: linear-gradient(90deg, var(--azul-claro) 0%, var(--azul) 100%); animation-delay: 1s; }

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

.nav-marca .subtitulo-marca {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--cinza);
    margin-top: 3px;
    position: relative;
    display: inline-block;
}

.nav-marca .subtitulo-marca::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    height: 2px;
    width: 100%;
    background: linear-gradient(90deg, var(--azul-claro), var(--laranja), var(--azul-claro));
    background-size: 200% auto;
    animation: shimmer 3s linear infinite;
    border-radius: 2px;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--texto);
    font-weight: 600;
    font-size: 0.92rem;
    position: relative;
    padding: 4px 0;
    transition: color 0.2s ease;
    white-space: nowrap;
}

nav ul li a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--laranja);
    transition: width 0.3s ease;
}

nav ul li a:hover { color: var(--azul); }
nav ul li a:hover::after { width: 100%; }

/* ===== Botão Área do Cliente (prioridade) ===== */
.nav-area-cliente {
    background: var(--azul-claro);
    color: var(--branco) !important;
    padding: 9px 18px !important;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 168, 232, 0.35);
}

.nav-area-cliente::after { display: none; }

.nav-area-cliente:hover {
    filter: brightness(1.1);
    transform: scale(1.04);
}

/* ===== Botão Assine Já ===== */
.nav-cta {
    background: var(--laranja);
    color: var(--branco) !important;
    padding: 9px 18px !important;
    border-radius: 50px;
    font-weight: 700;
}

.nav-cta::after { display: none; }
.nav-cta:hover { filter: brightness(1.1); }

/* ===== Botão hambúrguer (mobile) ===== */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 6px;
}

.hamburger span {
    width: 26px; height: 3px;
    background: var(--azul);
    border-radius: 3px;
    transition: 0.3s ease;
}

/* ===== Carrossel ===== */
.hero {
    position: relative;
    margin-top: 78px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--azul) 0%, #0d2b52 100%);
    min-height: 480px;
    display: flex;
    align-items: center;
    z-index: 1;
}

.slides {
    display: flex;
    width: 100%;
    transition: transform 0.7s ease;
}

.slide {
    min-width: 100%;
    padding: 70px 40px;
    text-align: center;
    color: var(--branco);
}

.slide .tag {
    display: inline-block;
    background: rgba(247,127,0,0.9);
    color: var(--branco);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 18px;
}

.slide h1 {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 2.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    line-height: 1.1;
}

.slide h1 span { color: var(--laranja-claro); }

.slide p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.85);
    max-width: 700px;
    margin: 0 auto 26px;
}

.slide .preco-destaque {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 2.2rem;
    color: var(--laranja-claro);
    margin-bottom: 22px;
}

.slide .btn-hero {
    display: inline-block;
    background: var(--laranja);
    color: var(--branco);
    text-decoration: none;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1.1rem;
    padding: 14px 36px;
    border-radius: 50px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 18px rgba(247,127,0,0.4);
}

.slide .btn-hero:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 28px rgba(247,127,0,0.6);
}

.setas {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px; height: 46px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--branco);
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: background 0.3s ease;
}

.setas:hover { background: rgba(247,127,0,0.8); }
.seta-ant { left: 20px; }
.seta-prox { right: 20px; }

.dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
}

.dots button {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.dots button.ativo { background: var(--laranja); transform: scale(1.25); }

/* ===== Seções ===== */
section {
    position: relative;
    z-index: 1;
    padding: 70px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.secao-titulo {
    text-align: center;
    margin-bottom: 44px;
}

.secao-titulo h2 {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--azul);
}

.secao-titulo h2 span { color: var(--laranja); }

.secao-titulo p {
    color: var(--cinza);
    margin-top: 8px;
    font-size: 1.05rem;
}

/* ===== Rodapé ===== */
footer {
    background: var(--azul);
    color: rgba(255,255,255,0.8);
    padding: 30px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

footer p { font-size: 0.9rem; }
footer a { color: var(--laranja-claro); text-decoration: none; }

/* ===== Botão flutuante WhatsApp ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px; height: 60px;
    border-radius: 50%;
    background: #25d366;
    color: var(--branco);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
    z-index: 200;
    animation: pulseWhats 2s infinite;
    transition: transform 0.25s ease;
}

.whatsapp-float:hover { transform: scale(1.1); }

@keyframes pulseWhats {
    0% { box-shadow: 0 6px 20px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0.5); }
    70% { box-shadow: 0 6px 20px rgba(37,211,102,0.5), 0 0 0 18px rgba(37,211,102,0); }
    100% { box-shadow: 0 6px 20px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0); }
}

/* ===== Animação de entrada (scroll reveal) ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Responsivo ===== */
@media (max-width: 900px) {
    nav { padding: 10px 18px; }

    /* Menu mobile como dropdown fixo — regras com !important
       garantem exibição mesmo contra conflitos de especificidade */
    nav ul {
        position: fixed !important;
        top: 70px !important;
        right: 12px !important;
        left: auto !important;
        display: flex !important;
        flex-direction: column !important;
        width: 260px !important;
        padding: 24px !important;
        gap: 18px !important;
        background: var(--branco) !important;
        border: 1px solid #e3e8ee !important;
        border-radius: 16px !important;
        box-shadow: 0 12px 32px rgba(18,58,107,0.20) !important;
        max-height: calc(100vh - 120px) !important;
        overflow-y: auto !important;
        transform: translateX(130%) !important;
        transition: transform 0.4s ease !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 999 !important;
    }

    nav ul.aberto {
        transform: translateX(0) !important;
    }

    .hamburger { display: flex !important; }
    nav .nav-logo img { max-height: 46px; }
    .nav-marca .hdc-titulo { font-size: 1.5rem; }
    .nav-marca .subtitulo-marca { font-size: 0.6rem; letter-spacing: 3px; }
    .hero { margin-top: 68px; min-height: 420px; }
    .slide { padding: 50px 20px; }
    .slide h1 { font-size: 1.9rem; }
    .slide p { font-size: 1rem; }
    .slide .preco-destaque { font-size: 1.7rem; }
    .cursor-dot { display: none; }
    section { padding: 50px 16px; }
    .secao-titulo h2 { font-size: 1.7rem; }
}