:root {
    --ciano: #00ffff;
    --dark: #000000;
    --dark-2: #0a0a0a;
    --dark-3: #050505;
    --glass: rgba(255, 255, 255, 0.08);
}

html {
    scroll-behavior: smooth;
}


/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--dark);
    color: #ffffff;
    overflow-x: hidden;
}

/* ===============================
   HERO
================================ */
.hero {
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(0,255,255,0.30), transparent 40%),
        linear-gradient(180deg, #000, #050505);
    display: flex;
    flex-direction: column;
}

nav {
    padding: 30px 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav h1 {
    color: var(--ciano);
    font-size: 34px;
    font-weight: 900;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: #fff;
    text-decoration: none;
    opacity: 0.75;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 1;
}

/* HERO CONTENT */
.hero-content {
    margin: auto;
    max-width: 900px;
    text-align: center;
}

.hero-content h2 {
    font-size: 58px;
    font-weight: 900;
    line-height: 1.15;
}

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

.hero-content p {
    margin: 30px 0;
    font-size: 18px;
    opacity: 0.75;
}

.btn-primary {
    display: inline-block;
    padding: 16px 42px;
    background: var(--ciano);
    color: #000;
    border-radius: 40px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 0 35px rgba(0,255,255,0.6);
    transition: transform 0.3s;
}

.btn-primary:hover {
    transform: scale(1.05);
}

/* ===============================
   SECTIONS
================================ */
.section {
    padding: 120px 80px;
    text-align: center;
}

.section h3 {
    font-size: 42px;
    margin-bottom: 60px;
    font-weight: 800;
}

.gradient {
    background: linear-gradient(180deg, #020202, #0b0b0b);
}

.gradient-soft {
    background: linear-gradient(180deg, #050505, #000000);
}

.dark {
    background: var(--dark-2);
}

/* ===============================
   SERVICES
================================ */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

/* CARD BASE */
.service-card {
    position: relative;
    background: var(--glass);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(0,255,255,0.25);
    padding: 42px;
    border-radius: 26px;
    text-align: left;
    transition:
        transform 0.5s ease,
        box-shadow 0.5s ease,
        border-color 0.5s ease;
    overflow: hidden;
}

/* Glow dinâmico */
.service-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at var(--x, 50%) var(--y, 50%),
        rgba(0,255,255,0.35),
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.4s;
}

/* Hover premium */
.service-card:hover {
    transform: translateY(-16px) scale(1.03);
    border-color: var(--ciano);
    box-shadow:
        0 25px 45px rgba(0,255,255,0.25),
        inset 0 0 30px rgba(0,255,255,0.18);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card h4 {
    color: var(--ciano);
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.service-card p {
    opacity: 0.85;
    position: relative;
    z-index: 2;
}

.service-card ul {
    margin-top: 20px;
    list-style: none;
    position: relative;
    z-index: 2;
}

.service-card ul li {
    margin-bottom: 10px;
    opacity: 0.85;
}

/* Card central destacado */
.highlight {
    box-shadow: 0 0 55px rgba(0,255,255,0.45);
}

/* ===============================
   METHOD
================================ */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.step span {
    font-size: 48px;
    color: var(--ciano);
    font-weight: 900;
}

.step h4 {
    margin: 15px 0;
    font-size: 20px;
}

/* STEP HUMOR - CAFÉ */
.step.coffee {
    background: linear-gradient(
        135deg,
        rgba(0,255,255,0.15),
        rgba(255,255,255,0.03)
    );
    border: 1px dashed rgba(0,255,255,0.4);
    border-radius: 20px;
    padding: 30px;
}

.step.coffee span {
    font-size: 42px;
}

.step.coffee p {
    opacity: 0.9;
    font-style: italic;
}

/* ===============================
   ABOUT
================================ */
.about-text {
    max-width: 800px;
    margin: auto;
    font-size: 18px;
    opacity: 0.8;
}

/* ===============================
   FORM
================================ */
form {
    max-width: 520px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

input,
textarea {
    padding: 16px;
    border-radius: 14px;
    border: none;
    outline: none;
    background: #111;
    color: #fff;
}

textarea {
    resize: none;
    min-height: 120px;
}

button {
    padding: 16px;
    border-radius: 40px;
    background: var(--ciano);
    font-weight: 700;
    border: none;
    cursor: pointer;
    color: #000;
    transition: transform 0.3s;
}

button:hover {
    transform: scale(1.05);
}

/* ===============================
   FOOTER
================================ */
footer {
    padding: 40px;
    text-align: center;
    opacity: 0.6;
    font-size: 14px;
}

/* ===============================
   SCROLL ANIMATIONS
================================ */
.reveal {
    opacity: 0;
    transform: translateY(50px) scale(0.97);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

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

/* Delay elegante */
.reveal:nth-child(1) { transition-delay: 0.1s; }
.reveal:nth-child(2) { transition-delay: 0.2s; }
.reveal:nth-child(3) { transition-delay: 0.3s; }
.reveal:nth-child(4) { transition-delay: 0.4s; }

/* CONTACT INFO */
.contact-info {
    margin-top: 30px;
    opacity: 0.8;
    font-size: 15px;
}

.contact-info strong {
    color: var(--ciano);
}

/* ===============================
   ABOUT SECTION (LOGO LEFT)
================================ */

.about-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 80px;
    align-items: center;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-logo img {
    width: 620px;
    max-width: 100%;
    opacity: 0.98;
}

.about-content {
    max-width: 720px;
}

.about-content h2 {
    margin-bottom: 30px;
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.7;
    opacity: 0.9;
}

/* ===============================
   RESPONSIVE
================================ */

@media (max-width: 900px) {

    nav {
        padding: 30px;
    }

    .section {
        padding: 90px 30px;
    }

    .hero h2 {
        font-size: 42px;
    }
}

@media (max-width: 768px) {

    /* HEADER */
    header {
        padding-top: env(safe-area-inset-top);
    }

    nav {
        flex-direction: column;
        align-items: center;
        gap: 14px;
    }

    /* BRAND */
    .brand {
        justify-content: center;
    }

    /* MENU */
    nav ul {
        width: 100%;
        justify-content: center;
        gap: 20px;
        padding: 10px 0 0;
    }

    /* HERO */
    .hero {
        padding-top: 15px; /* header + menu */
        padding-left: 24px;
        padding-right: 24px;
        text-align: center;
    }

    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 15px;
    }

    /* ABOUT */
    .about-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .about-logo img {
        width: 160px;
        margin: 0 auto;
    }

    .about-content {
        max-width: 100%;
    }

    .about-content h2 {
        font-size: 28px;
    }

    .about-content p {
        font-size: 15px;
        line-height: 1.8;
    }
}

/* ===============================
   FORM SUCCESS MESSAGE
================================ */

.form-success {
    display: none;
    text-align: center;
    padding: 40px 30px;
    border-radius: 20px;
    background: rgba(0, 255, 255, 0.08);
    border: 1px solid rgba(0, 255, 255, 0.25);
    animation: fadeUp 0.6s ease forwards;
}

.form-success h3 {
    color: var(--ciano);
    margin-bottom: 12px;
    font-size: 22px;
}

.form-success p {
    opacity: 0.9;
    font-size: 15px;
    line-height: 1.6;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===============================
   WHATSAPP FLOAT
================================ */

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #25d366, #1ebe5d);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 10px 35px rgba(37, 211, 102, 0.45);
    z-index: 2000;
    animation: whatsapp-pulse 2.5s infinite;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.12);
    box-shadow: 0 14px 45px rgba(37, 211, 102, 0.6);
}

/* Ícone */
.whatsapp-icon {
    width: 30px;
    height: 30px;
    animation: whatsapp-bounce 2.5s infinite;
}

/* Pulse externo */
@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
    }
    70% {
        box-shadow: 0 0 0 18px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Bounce sutil do ícone */
@keyframes whatsapp-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

/* ===============================
   WHATSAPP TOOLTIP
================================ */

.whatsapp-wrapper {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 2000;
}

.whatsapp-tooltip {
    position: absolute;
    right: 74px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #0f0f0f;
    color: #fff;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

/* Seta do tooltip */
.whatsapp-tooltip::after {
    content: "";
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent #0f0f0f;
}

/* Mostrar tooltip */
.whatsapp-wrapper:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}