/* ===== Design tokens ===== */
:root {
    --color-bg-dark: #0b0c10;
    --color-bg-dark-alt: #14161c;
    --color-bg-light: #ffffff;
    --color-surface: #f7f7f9;
    --color-text: #1a1a1a;
    --color-text-light: #6b7280;
    --color-text-inverse: #ffffff;
    --color-primary: #ff6b00;
    --color-primary-dark: #ff4500;
    --color-primary-glow: rgba(255, 107, 0, 0.35);
    --color-border: #e5e7eb;
    --font-family: 'Poppins', sans-serif;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --max-width: 1200px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== Layout primitives ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-eyebrow {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 640px;
}

.section-header {
    text-align: center;
    margin: 0 auto 3rem;
    max-width: 700px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 1rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-inverse);
    box-shadow: 0 8px 24px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--color-primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-inverse);
    border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* ===== Scroll reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Site header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(11, 12, 16, 0.85);
    backdrop-filter: blur(10px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.site-header__logo {
    color: var(--color-text-inverse);
    font-size: 1.3rem;
    font-weight: 300;
}

.site-header__logo strong {
    font-weight: 700;
    color: var(--color-primary);
}

.btn-sm {
    padding: 0.55rem 1.2rem;
    font-size: 0.9rem;
}

/* ===== Hero ===== */
.hero {
    background: radial-gradient(circle at 20% 20%, rgba(255, 107, 0, 0.25), transparent 45%),
                radial-gradient(circle at 80% 60%, rgba(255, 69, 0, 0.18), transparent 50%),
                var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: 5rem 0 6rem;
}

.hero-content {
    max-width: 760px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0.5rem 0 1.25rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 620px;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== Diferenciais ===== */
.diferenciais {
    background: var(--color-bg-light);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.diferencial-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.diferencial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.diferencial-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-inverse);
    margin-bottom: 1.25rem;
}

.diferencial-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.diferencial-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .hero {
        padding: 3.5rem 0 4rem;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-actions .btn {
        justify-content: center;
    }
}

/* ===== Planos ===== */
.planos {
    background: var(--color-surface);
}

.planos-grid {
    display: flex;
    justify-content: center;
    gap: 1.75rem;
    flex-wrap: wrap;
}

.plano-card {
    position: relative;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    width: 280px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.plano-card--featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.04);
}

.plano-card--featured.is-visible {
    transform: translateY(0) scale(1.04);
}

.plano-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-inverse);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-pill);
}

.plano-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.plano-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
}

.plano-price span {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.plano-card ul {
    margin-bottom: 1.75rem;
    text-align: left;
}

.plano-card ul li {
    font-size: 0.9rem;
    color: var(--color-text-light);
    padding: 0.4rem 0;
    padding-left: 1.4rem;
    position: relative;
}

.plano-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}

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

/* ===== Depoimentos ===== */
.depoimentos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.depoimento-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    font-style: italic;
    color: var(--color-text);
}

.depoimento-card p::before {
    content: "\201C";
    color: var(--color-primary);
    font-size: 1.5rem;
    font-style: normal;
}

.depoimento-autor {
    display: block;
    margin-top: 1.25rem;
    font-style: normal;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== FAQ ===== */
.faq {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 0;
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    color: var(--color-text);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq-question[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition), padding var(--transition);
}

.faq-answer p {
    padding-bottom: 1.25rem;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== Contato final ===== */
.contato-final {
    background: linear-gradient(135deg, var(--color-bg-dark), var(--color-bg-dark-alt));
    color: var(--color-text-inverse);
    text-align: center;
    padding: 5rem 1.5rem;
}

.contato-final h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    margin-bottom: 0.75rem;
}

.contato-final p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

/* ===== Footer ===== */
.site-footer {
    background: #000;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    padding: 1.75rem 0;
    font-size: 0.85rem;
}

.site-footer p {
    margin: 0.2rem 0;
}