/* ============================================
   SENA FUNILARIA — ESTILOS REDESENHADOS
   Design: Industrial Premium · Dark + Red
   ============================================ */

/* === RESET & VARIÁVEIS === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --red: #e8000f;
    --red-dark: #b0000b;
    --red-glow: rgba(232, 0, 15, 0.25);
    --black: #060606;
    --dark: #0e0e0e;
    --dark-2: #161616;
    --dark-3: #1f1f1f;
    --dark-4: #2a2a2a;
    --white: #ffffff;
    --gray: #a0a0a0;
    --gray-light: #d0d0d0;
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --radius: 8px;
    --transition: 0.3s ease;
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.8s ease;
}

body.loaded {
    opacity: 1;
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent {
    color: var(--red);
}

/* ============================================
   HEADER
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(6, 6, 6, 0.97);
    border-bottom: 1px solid rgba(232, 0, 15, 0.2);
    backdrop-filter: blur(12px);
    transition: box-shadow var(--transition);
}

#header.scrolled {
    box-shadow: 0 4px 24px rgba(0,0,0,0.7);
}

.header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-wrap .logo {
    height: 44px;
    width: auto;
    display: block;
}

/* Nav desktop */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 8px;
}

.main-nav a.nav-link {
    color: var(--gray-light);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}

.main-nav a.nav-link:hover,
.main-nav a.nav-link.active {
    color: var(--white);
    background: rgba(232, 0, 15, 0.12);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    background-image: url('IMG/hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 72px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6,6,6,0.92) 0%, rgba(6,6,6,0.75) 60%, rgba(232,0,15,0.08) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto;
    padding: 60px 24px;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--red);
    border: 1px solid rgba(232, 0, 15, 0.4);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6.5rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 24px;
    text-shadow: 0 4px 32px rgba(0,0,0,0.6);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--gray-light);
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    backdrop-filter: blur(4px);
    overflow: hidden;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 36px;
    gap: 4px;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--red);
    line-height: 1;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--gray);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255,255,255,0.1);
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--red);
    color: var(--white);
    border-color: var(--red);
}

.btn-primary:hover {
    background: var(--red-dark);
    border-color: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--red-glow);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.35);
}

.btn-outline:hover {
    border-color: var(--red);
    color: var(--red);
    transform: translateY(-2px);
}

.full-width {
    width: 100%;
}

/* ============================================
   SEÇÃO — PADRÃO
   ============================================ */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header.left {
    text-align: left;
}

.section-tag {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    letter-spacing: 0.02em;
    line-height: 1;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 16px;
}

.section-line {
    width: 48px;
    height: 3px;
    background: var(--red);
    margin-top: 16px;
}

.section-header.left .section-line {
    margin-left: 0;
}

.section-header:not(.left) .section-line {
    margin: 16px auto 0;
}

/* ============================================
   SERVIÇOS
   ============================================ */
.services {
    background: var(--dark);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(232, 0, 15, 0.2);
    box-shadow: 0 24px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(232,0,15,0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon-wrap {
    width: 72px;
    height: 72px;
    background: rgba(232, 0, 15, 0.08);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid rgba(232, 0, 15, 0.15);
}

.service-icon-wrap img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.03em;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
    text-align: justify;
    hyphens: auto;
}

.card-line {
    width: 32px;
    height: 2px;
    background: var(--red);
    margin-top: 20px;
    transition: width 0.4s ease;
}

.service-card:hover .card-line {
    width: 64px;
}

/* ============================================
   SOBRE
   ============================================ */
.about {
    background: var(--black);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    font-size: 0.97rem;
    color: var(--gray-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--white);
    font-weight: 700;
}

.about-badges {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 0.88rem;
    color: var(--gray-light);
    font-weight: 600;
    transition: border-color var(--transition);
}

.badge:hover {
    border-color: rgba(232,0,15,0.3);
}

.badge-icon {
    font-size: 1.2rem;
}

.about-visual {
    position: relative;
}

.about-img-box {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
}

.about-img-box img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    display: block;
    filter: brightness(0.8);
    transition: filter var(--transition);
}

.about-img-box:hover img {
    filter: brightness(0.95);
}

.about-img-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--red);
    color: var(--white);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.4;
    text-align: center;
    box-shadow: 0 8px 24px rgba(232,0,15,0.4);
}

.big-num {
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    display: block;
}

/* ============================================
   DEPOIMENTOS
   ============================================ */
.testimonials {
    background: var(--dark);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 16px);
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius);
    padding: 36px 32px;
    position: relative;
    transition: border-color var(--transition), transform var(--transition);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--red);
    opacity: 0.15;
    line-height: 1;
}

.testimonial-card:hover {
    border-color: rgba(232,0,15,0.25);
    transform: translateY(-4px);
}

.stars {
    color: #ffd700;
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 0.93rem;
    color: var(--gray-light);
    line-height: 1.75;
    font-style: italic;
    margin-bottom: 28px;
    font-weight: 300;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
    letter-spacing: 0.05em;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--white);
    font-weight: 700;
    margin-bottom: 2px;
}

.testimonial-author span {
    font-size: 0.78rem;
    color: var(--gray);
}

/* Controles do slider */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--red);
    border-color: var(--red);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

.dot.active {
    background: var(--red);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   CONTATO
   ============================================ */
.contact {
    background: var(--black);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-form-wrap {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 13px 16px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--dark-4);
}

.form-group textarea {
    height: 140px;
    resize: vertical;
}

/* Info de contato */
.contact-info-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-block {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.info-block:hover {
    border-color: rgba(232,0,15,0.2);
}

.info-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.info-block strong {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 4px;
}

.info-block p {
    font-size: 0.93rem;
    color: var(--white);
    line-height: 1.6;
}

/* Botão WhatsApp no bloco de contato */
.whatsapp-block-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: #25D366;
    color: var(--white);
    text-decoration: none;
    padding: 16px 24px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    margin-top: 4px;
}

.whatsapp-block-btn svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.whatsapp-block-btn:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--dark-2);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 36px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-logo {
    height: 36px;
    width: auto;
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--gray);
    text-align: center;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0.7);
    transition: filter var(--transition), transform var(--transition);
}

.footer-socials a:hover img {
    filter: brightness(1);
    transform: translateY(-3px);
}

/* ============================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    background: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    text-decoration: none;
    transition: all var(--transition);
    animation: pulse-green 2.5s infinite;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float:hover {
    background: #1da851;
    transform: scale(1.1);
    box-shadow: 0 10px 32px rgba(37, 211, 102, 0.65);
    animation: none;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark-2);
    color: var(--white);
    padding: 7px 14px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    border: 1px solid rgba(255,255,255,0.1);
    transition: opacity var(--transition);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 6px solid var(--dark-2);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
}

/* Botão voltar ao topo */
.back-to-top {
    position: fixed;
    bottom: 28px;
    left: 28px;
    z-index: 9999;
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--white);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    background: var(--red);
    border-color: var(--red);
    transform: translateY(-3px);
}

/* ============================================
   ANIMAÇÕES
   ============================================ */
@keyframes pulse-green {
    0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5); }
    50%       { box-shadow: 0 6px 36px rgba(37, 211, 102, 0.75), 0 0 0 10px rgba(37,211,102,0.1); }
}

/* Fade-in on scroll */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVO — MOBILE
   ============================================ */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-visual {
        order: -1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .testimonial-card {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 768px) {
    section { padding: 72px 0; }

    /* Mobile Nav */
    .hamburger {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(6,6,6,0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(232,0,15,0.2);
        padding: 24px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s ease, opacity 0.35s ease;
        z-index: 999;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .main-nav a.nav-link {
        display: block;
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    /* Hero */
    .hero {
        background-attachment: scroll;
        background-image: url('IMG/sena_foto_1_funilaria_brasil.png');
        background-position: center top;
    }

    .hero h1 { font-size: clamp(2.5rem, 10vw, 4rem); }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { flex-direction: column; }
    .stat-divider { width: 40px; height: 1px; }

    /* Serviços */
    .service-grid {
        grid-template-columns: 1fr;
    }

    /* Depoimentos */
    .testimonial-card {
        flex: 0 0 calc(100% - 0px);
    }

    /* Contato */
    .contact-form-wrap { padding: 28px 20px; }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    /* WhatsApp float */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }

    .whatsapp-tooltip { display: none; }

    .back-to-top {
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.4rem; }
    .stat { padding: 16px 24px; }
}