@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700&display=swap');

:root {
    --primary: #2c3e50;
    --secondary: greenyellow;
    --dark: #101010;
    --text: #333;
    --white: #ffffff;

    --bg: #f6f8fb;
    --surface: rgba(255,255,255,0.92);
    --border: rgba(44, 62, 80, 0.10);
    --shadow-sm: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-md: 0 16px 40px rgba(0,0,0,0.12);
    --radius: 18px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
    radial-gradient(circle at top, rgba(173,255,47,0.08), transparent 30%),
    linear-gradient(180deg, #fbfcfe 0%, #f4f7fb 100%);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
}

button, input, textarea {
    font: inherit;
}

/* ================= HEADER ================= */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.72), rgba(16, 16, 16, 0.92), rgba(44, 62, 80, 0.92));
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: var(--white);
    font-size: clamp(1.35rem, 4vw, 1.65rem);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.5px;
}

.logo span {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(14px, 2.5vw, 28px);
    align-items: center;
}

.nav-menu a {
    color: rgba(255,255,255,0.92);
    font-weight: 500;
    transition: 0.25s ease;
    padding: 10px 0;
    display: block;
    font-size: 0.96rem;
    position: relative;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 2px;
    background: var(--secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-menu a:hover,
.nav-menu li.active a {
    color: var(--secondary);
}

.nav-menu a:hover::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.bar {
    width: 26px;
    height: 2.5px;
    background: var(--white);
    border-radius: 999px;
    transition: 0.3s;
}

/* ================= HERO ================= */
.hero {
    min-height: 100vh;
    width: 100%;
    background:
        linear-gradient(135deg, rgba(0,0,0,0.62), rgba(16,16,16,0.46)),
        url('../img/bg-hero.png') no-repeat center / cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 80px;
    color: var(--white);
    position: relative;
    isolation: isolate;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 30%, rgba(173,255,47,0.18), transparent 24%),
        radial-gradient(circle at 15% 85%, rgba(255,255,255,0.08), transparent 18%);
    z-index: -1;
}

.hero > div {
    max-width: 920px;
    background: rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 28px;
    padding: clamp(28px, 5vw, 46px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.22);
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-size: clamp(2.1rem, 6vw, 4.2rem);
    margin-bottom: 18px;
    line-height: 1.08;
    color: var(--white);
    letter-spacing: -0.02em;
}

.hero span {
    color: var(--secondary);
}

.hero p {
    font-size: clamp(1rem, 2.7vw, 1.25rem);
    max-width: 760px;
    margin: 0 auto 28px;
    color: rgba(255,255,255,0.92);
}

.hero small {
    display: block;
    margin-top: 12px;
    font-size: 0.92rem;
    opacity: 0.88;
}

.btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 34px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.58), var(--dark), var(--primary));
    color: lightgray;
    border-radius: 999px;
    font-weight: 700;
    transition: 0.25s ease;
    border: 1px solid var(--secondary);
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.7px;
    font-size: 0.95rem;
    text-shadow: 1px 1px 3px #000;
    box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}

.btn-main:hover {
    transform: translateY(-3px);
    color: var(--dark);
    background: linear-gradient(135deg, #ffffff, #f4f7fb);
    text-shadow: none;
    box-shadow: 0 16px 36px rgba(0,0,0,0.16);
}

/* ================= SEÇÕES ================= */
section {
    padding: clamp(70px, 11vw, 110px) 20px;
}

.section-title {
    text-align: center;
    font-size: clamp(1.9rem, 5vw, 2.8rem);
    margin-bottom: 16px;
    color: var(--primary);
    font-family: 'Orbitron', sans-serif;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 54px;
    color: #667;
    font-size: clamp(1rem, 2.5vw, 1.1rem);
}

/* ================= SERVIÇOS ================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    justify-items: stretch;
}

.card {
    width: 100%;
    background: var(--surface);
    padding: 32px 26px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: 0.25s ease;
    border: 1px solid var(--border);
    border-top: 4px solid var(--secondary);
    backdrop-filter: blur(6px);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(173,255,47,0.25);
}

.card i {
    font-size: 2.8rem;
    margin-bottom: 18px;
    color: var(--primary);
    filter: drop-shadow(0 6px 16px rgba(44,62,80,0.12));
}

.card h3 {
    font-size: 1.18rem;
    margin-bottom: 14px;
    color: var(--primary);
    line-height: 1.3;
}

.card p {
    color: #555;
}

.btn-sm {
    margin-top: 18px;
    padding: 12px 22px;
    border: none;
    background: var(--primary);
    color: var(--white);
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.94rem;
    transition: 0.25s ease;
    box-shadow: 0 10px 22px rgba(44,62,80,0.18);
}

.btn-sm:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-2px);
}

/* ================= PORTFÓLIO ================= */
#portfolio {
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.portfolio-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(390px, 1fr));
    gap: 25px;
}

.portfolio-card {
    background: var(--surface);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: 0.25s ease;
    text-align: center;
    border: 1px solid var(--border);
    backdrop-filter: blur(6px);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.portfolio-card img {
    width: 100%;
    object-fit: contain;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.portfolio-card h3 {
    font-size: 1.08rem;
    color: var(--primary);
    font-weight: 600;
    padding: 18px 18px 6px;
    line-height: 1.35;
}

.portfolio-card p {
    font-size: 0.95rem;
    margin: 0 18px 14px;
    color: #555;
}

.portfolio-card a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 0.92rem;
    transition: 0.25s ease;
    margin-bottom: 18px;
    box-shadow: 0 10px 22px rgba(44,62,80,0.16);
}

.portfolio-card a:hover {
    background: var(--secondary);
    color: var(--dark);
}

/* ================= FAQ ================= */
.faq-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.faq-item {
    background: var(--surface);
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: 0.25s ease;
}

.faq-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 22px 26px;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 1.02rem;
}

.faq-question:hover {
    background: rgba(44,62,80,0.03);
}

.faq-question i {
    color: var(--secondary);
    font-size: 1.1rem;
    transition: 0.3s ease;
}

.faq-question.active i {
    color: var(--primary) !important;
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    background: #f9fbfd;
    transition: all 0.35s ease;
    padding: 0 26px;
}

.faq-answer.active {
    max-height: 300px;
    padding: 0 26px 22px;
}

.faq-answer p {
    color: #555;
    line-height: 1.75;
    font-size: 1rem;
}

/* ================= CONTATO ================= */
#contato {
    background: linear-gradient(180deg, #eef2f3 0%, #e9eef2 100%);
}

form {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: rgba(255,255,255,0.72);
    padding: 24px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    backdrop-filter: blur(6px);
}

input, select, textarea {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid #d7dde5;
    font-size: 16px;
    transition: 0.25s ease;
    background: #fff;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(173,255,47,0.15);
}

.btn-submit {
    background: var(--secondary);
    color: var(--primary);
    padding: 16px 18px;
    border: none;
    border-radius: 14px;
    font-weight: 800;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Orbitron', sans-serif;
    transition: 0.25s ease;
    box-shadow: 0 12px 26px rgba(173,255,47,0.18);
}

.btn-submit:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(44, 62, 80, 0.28);
}

/* ================= WHATSAPP ================= */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 24px;
    width: 60px;
    height: 60px;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    text-decoration: none;
    z-index: 1000;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.35);
    transition: 0.3s ease;
    background: #25d366;
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.06);
    box-shadow: 0 18px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--primary), #25d366);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: all 0.25s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ================= ANIMAÇÕES ================= */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.7s ease;
}

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

footer {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    text-align: center;
    padding: 32px 20px;
    font-size: 0.95rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

footer p {
    margin-bottom: 1.4rem;
}

footer a {
    font-size: 1.2rem;
    border-radius: 12px;
    padding: 0.8rem 1rem;
    color: greenyellow;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.5), var(--dark), var(--primary));
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fa-whatsapp {
    font-size: 1.5rem;
}

/* ================= RESPONSIVO ================= */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        height: calc(100vh - 72px);
        background: rgba(16,16,16,0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        transform: translateX(-100%);
        opacity: 0;
        border-top: 1px solid rgba(255,255,255,0.08);
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
    }

    .nav-menu li {
        margin: 10px 0;
    }

    .hero {
        background:
            linear-gradient(rgba(0,0,0,0.58), rgba(0,0,0,0.52)),
            url('../img/bg-hero.png') no-repeat center right / cover;
    }

    .hero > div {
        border-radius: 22px;
    }

    .portfolio-container {
        grid-template-columns: 1fr;
    }

    .container {
        grid-template-columns: 1fr;
    }

    .faq-question {
        padding: 20px;
    }

    .faq-answer.active {
        padding: 0 20px 20px;
    }

    form {
        padding: 18px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 58px 15px;
    }

    .navbar {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 15px 64px;
    }

    .section-title {
        padding-top: 0.5rem;
    }

    .card,
    .portfolio-card,
    .faq-item,
    form {
        border-radius: 16px;
    }
}

@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.95rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .whatsapp-float {
        bottom: 18px;
        right: 18px;
    }
}