/* ============================================================
   NORTEX TRADING — CSS PREMIUM
   Paleta: Branco + Grafite + Prata/Cromado
   ============================================================ */

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

:root {
    --white: #FFFFFF;
    --off-white: #F8F8F8;
    --light-gray: #ECECEC;
    --gray: #AAAAAA;
    --dark-gray: #555555;
    --grafite: #2d2d2d;
    --grafite-dark: #1a1a1a;
    --black: #0d0d0d;
    --chrome-1: #E8E8E8;
    --chrome-2: #C8C8C8;
    --chrome-3: #9E9E9E;
    --chrome-4: #707070;
    --accent: #C8C8C8;
    --gold-subtle: #D4AF37;
    --nav-h: 100px;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
    --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--white);
    color: var(--grafite-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ---------- CURSOR PERSONALIZADO ---------- */
.cursor {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--grafite-dark);
    position: fixed; top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%,-50%);
    transition: transform 0.1s;
}
.cursor-follower {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--chrome-3);
    position: fixed; top: 0; left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%,-50%);
    transition: transform 0.18s ease, width 0.3s, height 0.3s;
}

/* ---------- CHROME TEXT GRADIENT ---------- */
.chrome-text {
    background: linear-gradient(
        90deg,
        #3a3a3a 0%,
        #7a7a7a 15%,
        #c8c8c8 28%,
        #ffffff 40%,
        #e0e0e0 50%,
        #ffffff 60%,
        #b0b0b0 72%,
        #6a6a6a 85%,
        #3a3a3a 100%
    );
    background-size: 300% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: metalShimmer 3s linear infinite;
    filter: drop-shadow(0 1px 0px rgba(255,255,255,0.4))
             drop-shadow(0 -1px 0px rgba(0,0,0,0.6))
             drop-shadow(0 3px 8px rgba(0,0,0,0.5));
    font-style: normal;
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--chrome-3); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--grafite); }

/* ---------- CONTAINER ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
    padding: 8px 0;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--light-gray);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: var(--nav-h);
}
/* LOGO */
.nav-logo {
    flex-shrink: 0;
    margin-right: auto;
    padding-left: 0;
    margin-left: 0;
}
.nav-logo .logo-img {
    height: 85px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
    display: block;
}
/* Logo com fundo branco:
   - mix-blend-mode: multiply remove o fundo branco no hero escuro
   - no estado scrolled (fundo branco da navbar) voltamos ao normal via isolation */
.nav-logo .logo-nav-img {
    filter: none;
    mix-blend-mode: multiply;
}
.navbar.scrolled .nav-logo {
    background: var(--white);
    border-radius: 6px;
    padding: 2px 6px;
}
.navbar.scrolled .logo-nav-img {
    filter: none;
    mix-blend-mode: normal;
}

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 30px;
    padding: 7px 16px;
    height: 40px;
    box-sizing: border-box;
    transition: var(--transition);
}
.navbar.scrolled .lang-switcher {
    background: rgba(0,0,0,0.06);
    border-color: var(--light-gray);
}
.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: rgba(255,255,255,0.75);
    transition: var(--transition);
    white-space: nowrap;
    line-height: 1;
}
.lang-btn:hover {
    background: rgba(255,255,255,0.12);
    color: var(--white);
}
.lang-btn.active {
    background: var(--white);
    color: var(--grafite-dark);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.navbar.scrolled .lang-btn {
    color: rgba(30,30,30,0.5);
}
.navbar.scrolled .lang-btn:hover {
    background: rgba(0,0,0,0.06);
    color: var(--grafite-dark);
}
.navbar.scrolled .lang-btn.active {
    background: var(--grafite-dark);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.lang-flag {
    font-size: 16px;
    line-height: 1;
    display: flex;
    align-items: center;
}
.lang-code {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

/* Grupo direito: idiomas + cotações empilhados */
.nav-right-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    justify-content: center;
}
/* Cotações */
.nav-quotes {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 30px;
    padding: 7px 16px;
    height: 40px;
    box-sizing: border-box;
    transition: var(--transition);
}
.navbar.scrolled .nav-quotes {
    background: var(--off-white);
    border-color: var(--light-gray);
}
.quote-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
}
.navbar.scrolled .quote-item { color: var(--grafite-dark); }
.quote-flag { font-size: 15px; line-height: 1; }
.quote-label { opacity: 0.75; font-weight: 500; font-size: 12px; }
.quote-value { font-weight: 700; font-size: 13px; }
.quote-change { font-size: 11px; }
.quote-change.up { color: #22c55e; }
.quote-change.down { color: #ef4444; }
.quote-divider { width: 1px; height: 24px; background: rgba(255,255,255,0.3); }
.navbar.scrolled .quote-divider { background: var(--light-gray); }

/* Nav Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 6px;
    align-items: center;
}
.nav-link {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: rgba(255,255,255,0.9);
    padding: 8px 14px;
    border-radius: 8px;
    transition: var(--transition);
    text-transform: uppercase;
}
.nav-link:hover, .nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.15);
}
.navbar.scrolled .nav-link { color: var(--grafite); }
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--grafite-dark);
    background: var(--off-white);
}

/* Item WhatsApp só aparece no menu mobile */
.nav-menu-contact { display: none; }

/* Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.navbar.scrolled .nav-toggle span { background: var(--grafite-dark); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0d0d0d;
    overflow: hidden;
}
/* Imagem de fundo via elemento img */
.hero-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.75;
    z-index: 0;
    animation: heroBgZoom 20s ease-in-out infinite alternate;
}
@keyframes heroBgZoom {
    from { transform: scale(1.0); }
    to   { transform: scale(1.08); }
}
.hero-canvas {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    opacity: 0.2;
    z-index: 1;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.5) 0%,
        rgba(0,0,0,0.15) 45%,
        rgba(0,0,0,0.6) 100%
    );
    pointer-events: none;
    z-index: 2;
    display: block;
}
.hero-content {
    position: relative; z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
    padding-top: var(--nav-h);
    /* Garante que fique acima do overlay e da imagem */
    isolation: isolate;
}
/* Hero Logo */
.hero-logo {
    width: 640px;
    max-width: 92%;
    height: auto;
    margin: 0 auto 22px;
    display: block;
    filter: drop-shadow(0 0 50px rgba(255,255,255,0.35));
    animation: heroLogoGlow 3s ease-in-out infinite alternate;
}
@keyframes heroLogoGlow {
    from { filter: drop-shadow(0 0 35px rgba(255,255,255,0.25)); }
    to   { filter: drop-shadow(0 0 70px rgba(255,255,255,0.5)); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 40px;
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--chrome-1);
    margin-bottom: 32px;
}
.badge-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--chrome-2);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(38px, 6vw, 76px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
}
.title-line { display: block; }
.title-chrome {
    background: linear-gradient(
        90deg,
        #2a2a2a 0%,
        #6a6a6a 12%,
        #b8b8b8 25%,
        #f0f0f0 37%,
        #ffffff 50%,
        #f0f0f0 57%,
        #c0c0c0 68%,
        #7a7a7a 80%,
        #404040 90%,
        #2a2a2a 100%
    );
    background-size: 300% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: metalShimmer 3s linear infinite;
    filter: drop-shadow(0 1px 0px rgba(255,255,255,0.3))
             drop-shadow(0 -1px 0px rgba(0,0,0,0.7))
             drop-shadow(0 4px 12px rgba(0,0,0,0.6));
}
@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}
@keyframes metalShimmer {
    0%   { background-position: 200% center; }
    100% { background-position: 0% center; }
}
.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: rgba(255,255,255,0.65);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
    font-weight: 400;
}
.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.4);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 10;
}
.scroll-line {
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}
.btn::before {
    content: '';
    position: absolute; inset: 0;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
    background: var(--grafite-dark);
    color: var(--white);
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.btn-primary:hover {
    background: var(--grafite);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.8);
    transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   STATS
   ============================================================ */
.stats {
    padding: 70px 0;
    background: var(--grafite-dark);
}
.stats-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.stat-item {
    text-align: center;
    color: var(--white);
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px; top: 50%;
    transform: translateY(-50%);
    width: 1px; height: 60px;
    background: rgba(255,255,255,0.1);
}
.stat-icon {
    font-size: 28px;
    color: var(--chrome-3);
    margin-bottom: 12px;
}
.stat-number {
    font-family: 'Raleway', sans-serif;
    font-size: 52px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #b8b8b8, #f0f0f0, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}
.stat-suffix {
    font-size: 28px;
    font-weight: 700;
    color: var(--chrome-2);
    display: inline-block;
    vertical-align: top;
    margin-top: 8px;
}
.stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
    font-weight: 500;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--chrome-4);
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    padding: 6px 16px;
    border-radius: 40px;
    margin-bottom: 16px;
}
.section-title {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.4;
    color: var(--grafite-dark);
    margin-bottom: 16px;
    overflow: visible;
    padding-bottom: 4px;
}
.section-subtitle {
    font-size: 16px;
    color: var(--dark-gray);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================================
   SOBRE
   ============================================================ */
.sobre { background: var(--white); }
.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.sobre-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.sobre-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}
.sobre-img-wrapper:hover .sobre-img { transform: scale(1.04); }
.img-badge-float {
    position: absolute;
    bottom: 24px; right: 24px;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: 10px 18px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.15);
}
.sobre-content-col .section-tag { text-align: left; margin-bottom: 12px; }
.sobre-content-col .section-title { text-align: left; font-size: clamp(26px, 3.5vw, 38px); }
.sobre-text {
    font-size: 15px;
    color: var(--dark-gray);
    line-height: 1.9;
    margin-bottom: 20px;
}
.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
}
.mvv-card {
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}
.mvv-card:hover {
    background: var(--grafite-dark);
    border-color: var(--grafite-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.mvv-card:hover h4, .mvv-card:hover p { color: var(--white); }
.mvv-icon {
    font-size: 22px;
    color: var(--chrome-4);
    margin-bottom: 10px;
}
.mvv-card:hover .mvv-icon { color: var(--chrome-1); }
.mvv-card h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--grafite-dark);
    margin-bottom: 8px;
    transition: var(--transition);
}
.mvv-card p {
    font-size: 12px;
    color: var(--dark-gray);
    line-height: 1.6;
    transition: var(--transition);
}

/* ============================================================
   PRODUTOS
   ============================================================ */
.produtos { background: var(--off-white); }

/* Filtros */
.filter-bar {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}
.filter-btn {
    padding: 10px 22px;
    border-radius: 40px;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-gray);
    background: var(--white);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
    cursor: pointer;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--grafite-dark);
    color: var(--white);
    border-color: var(--grafite-dark);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Grid de Produtos */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}
.produto-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    cursor: pointer;
}
.produto-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--chrome-2);
}
.produto-card.hidden { display: none; }

.produto-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 220px;
}
.produto-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}
.produto-card:hover .produto-img { transform: scale(1.07); }
.produto-category-badge {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.15);
}
.produto-body { padding: 22px; }
.produto-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--grafite-dark);
    margin-bottom: 8px;
}
.produto-origin {
    font-size: 13px;
    color: var(--dark-gray);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.produto-origin i { color: var(--chrome-4); font-size: 12px; }
.produto-specs-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}
.spec-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--grafite);
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    padding: 4px 10px;
    border-radius: 20px;
}
.btn-specs {
    width: 100%;
    padding: 11px;
    border-radius: 8px;
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    font-size: 13px;
    font-weight: 700;
    color: var(--grafite-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-specs:hover {
    background: var(--grafite-dark);
    border-color: var(--grafite-dark);
    color: var(--white);
}

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.diferenciais { background: var(--white); }
.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.diferencial-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.diferencial-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--chrome-3), var(--chrome-1), var(--chrome-3));
    opacity: 0;
    transition: var(--transition);
}
.diferencial-card:hover::before { opacity: 1; }
.diferencial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}
.dif-icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--grafite), var(--grafite-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--chrome-1);
    margin: 0 auto 20px;
    transition: var(--transition);
}
.diferencial-card:hover .dif-icon {
    background: linear-gradient(135deg, #000, var(--grafite));
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    transform: scale(1.05);
}
.diferencial-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--grafite-dark);
    margin-bottom: 12px;
}
.diferencial-card p {
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* ============================================================
   COTAÇÕES
   ============================================================ */
.cotacoes { background: var(--grafite-dark); }
.cotacoes .section-tag {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.15);
    color: var(--chrome-2);
}
.cotacoes .section-title { color: var(--white); }
.cotacoes .section-subtitle { color: rgba(255,255,255,0.5); }
.cotacoes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
    align-items: start;
}
.cotacao-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.cotacao-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
}
.cotacao-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}
.cotacao-flag { font-size: 24px; }
.cotacao-pair {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
}
.cotacao-name {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
    margin-left: auto;
}
.cotacao-value-big {
    font-family: 'Raleway', sans-serif;
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(135deg, #b8b8b8, #f5f5f5, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.cotacao-info {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.cotacao-detail { flex: 1; }
.detail-label {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.detail-val {
    font-size: 14px;
    font-weight: 700;
    color: var(--chrome-1);
}
.cotacao-change.pos { color: #22c55e; }
.cotacao-change.neg { color: #ef4444; }
.cotacao-update {
    font-size: 11px;
    color: rgba(255,255,255,0.25);
    text-align: right;
    letter-spacing: 0.5px;
}

.cotacao-info-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.info-icon {
    font-size: 32px;
    color: var(--chrome-3);
}
.cotacao-info-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}
.cotacao-info-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
}
.info-source {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: rgba(255,255,255,0.25);
    margin-top: auto;
}

/* ============================================================
   CONTATO
   ============================================================ */
.contato { background: var(--white); }
.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
}
.contato-logo-wrapper {
    margin-bottom: 20px;
}
.contato-logo {
    height: 170px;
    width: auto;
    object-fit: contain;
    /* Logo tem fundo preto — adiciona sombra suave para integrar ao fundo branco */
    filter: none;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.contato-desc {
    font-size: 15px;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 28px;
}
.contato-items {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 28px;
}
.contato-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.ci-icon {
    width: 44px; height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    background: var(--grafite-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--chrome-2);
}
.ci-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ci-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--chrome-4);
    display: flex;
    align-items: center;
    gap: 4px;
}
.ci-text a, .ci-text span {
    font-size: 14px;
    font-weight: 600;
    color: var(--grafite-dark);
}
.ci-text a:hover { color: var(--gray); }

.social-links { display: flex; gap: 10px; }
.social-link {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: var(--grafite);
    transition: var(--transition);
    text-decoration: none;
}
.social-link:hover {
    background: var(--grafite-dark);
    color: var(--white);
    border-color: var(--grafite-dark);
    transform: translateY(-2px);
}
/* Botões sociais no footer (fundo escuro) */
.footer .social-link,
.social-link.footer-social {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.85);
}
.footer .social-link:hover,
.social-link.footer-social:hover {
    background: rgba(255,255,255,0.95);
    color: var(--grafite-dark);
    border-color: rgba(255,255,255,0.95);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Form */
.contato-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--dark-gray);
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 13px 16px;
    border: 1.5px solid var(--light-gray);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: var(--grafite-dark);
    background: var(--off-white);
    transition: var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
}
.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--grafite);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(45,45,45,0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
    display: none;
    padding: 14px 20px;
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 10px;
    color: #166534;
    font-size: 14px;
    font-weight: 600;
    align-items: center;
    gap: 8px;
}
.form-success.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--black); color: var(--white); }
.footer-top { padding: 70px 0 50px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 50px;
}
.footer-brand p {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    margin: 16px 0 20px;
    line-height: 1.7;
}
.footer-logo {
    height: 170px;
    width: auto;
    object-fit: contain;
    /* Logo com fundo preto no footer preto — exibir normal, sem bordas visíveis */
    filter: none;
    opacity: 1;
}
.footer-col h5 {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.35);
    margin-bottom: 20px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }

.footer-contact li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.footer-contact li i {
    font-size: 14px;
    color: var(--chrome-4);
    margin-top: 2px;
    flex-shrink: 0;
}
.footer-contact li span,
.footer-contact li a {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    line-height: 1.6;
    transition: var(--transition);
}
.footer-contact li a:hover { color: var(--white); }

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.25);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.modal-overlay.show {
    opacity: 1;
    pointer-events: all;
}
.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}
.modal-overlay.show .modal-box { transform: scale(1); }
.modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--off-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--grafite);
    z-index: 10;
    transition: var(--transition);
}
.modal-close:hover {
    background: var(--grafite-dark);
    color: var(--white);
}
.modal-header {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0;
}
.modal-img-wrapper {
    height: 180px;
    overflow: hidden;
    border-radius: var(--radius-lg) 0 0 0;
}
.modal-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.modal-title-area {
    padding: 24px 20px 20px;
    background: var(--grafite-dark);
    border-radius: 0 var(--radius-lg) 0 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.modal-category {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--chrome-3);
    margin-bottom: 6px;
}
.modal-title-area h3 {
    font-family: 'Raleway', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 6px;
}
.modal-origin {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    gap: 5px;
}
.modal-body { padding: 28px; }
.modal-section { margin-bottom: 24px; }
.modal-section h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--grafite-dark);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-section h4 i { color: var(--chrome-4); }
.modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.modal-spec-item {
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--grafite-dark);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-spec-item::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--chrome-4);
    flex-shrink: 0;
}
.modal-section p {
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.8;
}
.modal-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 20px;
    background: var(--off-white);
    border-radius: 12px;
    margin-bottom: 20px;
}
.modal-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.modal-meta-item i {
    font-size: 18px;
    color: var(--chrome-4);
    margin-top: 2px;
    flex-shrink: 0;
}
.meta-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray);
    margin-bottom: 4px;
}
.meta-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--grafite-dark);
    line-height: 1.5;
}
.modal-cta { margin-top: 0; }

/* ============================================================
   WHATSAPP FLUTUANTE
   ============================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px; left: 30px;
    width: 58px; height: 58px;
    border-radius: 50%;
    background: #25D366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.45);
    z-index: 999;
    transition: var(--transition);
    text-decoration: none;
}
.whatsapp-float:hover {
    background: #1ebe5c;
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37,211,102,0.6);
}
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,0.35);
    animation: waPulse 2.2s ease-in-out infinite;
}
@keyframes waPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50%       { transform: scale(1.18); opacity: 0; }
}
.whatsapp-tooltip {
    position: absolute;
    left: calc(100% + 12px);
    background: var(--grafite-dark);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-6px);
    transition: var(--transition);
}
.whatsapp-tooltip::before {
    content: '';
    position: absolute;
    right: 100%; top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--grafite-dark);
}
.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--grafite-dark);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: var(--transition);
}
.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}
.back-to-top:hover {
    background: var(--black);
    transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE BASE — mobile.css cuida dos breakpoints
   ============================================================ */

/* ============================================================
   DESKTOP ENHANCEMENTS — experiência premium ≥ 1025px
   ============================================================ */
@media (min-width: 1025px) {

    /* Produto card: imagem maior no hover */
    .produto-img-wrapper { height: 240px; }

    /* Sobre: imagem mais alta */
    .sobre-img { height: 520px; }

    /* Contato grid mais equilibrado */
    .contato-grid { gap: 100px; }

    /* Cotações: números maiores */
    .cotacao-value-big { font-size: 48px; }

    /* Diferenciais: card mais alto */
    .diferencial-card { padding: 40px 32px; }

    /* Stats: números maiores */
    .stat-number { font-size: 56px; }

    /* Modal: mais largo no desktop */
    .modal-box { max-width: 680px; }

    /* Footer: 4 colunas amplas */
    .footer-grid { grid-template-columns: 1.6fr 0.9fr 0.9fr 1.2fr; }
}