/* ============================================
   IZATA CORE — Design System CSS
   Versão: 1.0
   Paleta: Navy #0D1B2A | Azul #2163FF | Inter
   ============================================ */

/* ==================
   1. CSS VARIABLES
   ================== */
:root {
    /* Cores */
    --color-bg:          #0D1B2A;
    --color-bg-alt:      #0F2236;
    --color-bg-card:     rgba(255, 255, 255, 0.04);
    --color-primary:     #2163FF;
    --color-primary-dark:#1A4DB8;
    --color-primary-light:#6BA5FF;
    --color-white:       #FFFFFF;
    --color-text:        #F0F4F8;
    --color-text-muted:  #8FA8C8;
    --color-border:      rgba(33, 99, 255, 0.2);
    --color-border-light:rgba(255, 255, 255, 0.08);

    /* Tipografia */
    --font-family:       'Inter', sans-serif;
    --font-size-xs:      0.75rem;    /* 12px */
    --font-size-sm:      0.875rem;   /* 14px */
    --font-size-base:    1rem;       /* 16px */
    --font-size-md:      1.125rem;   /* 18px */
    --font-size-lg:      1.25rem;    /* 20px */
    --font-size-xl:      1.5rem;     /* 24px */
    --font-size-2xl:     2rem;       /* 32px */
    --font-size-3xl:     2.5rem;     /* 40px */
    --font-size-4xl:     3rem;       /* 48px */
    --font-size-5xl:     3.75rem;    /* 60px */

    /* Espaçamento */
    --space-1:   0.25rem;
    --space-2:   0.5rem;
    --space-3:   0.75rem;
    --space-4:   1rem;
    --space-6:   1.5rem;
    --space-8:   2rem;
    --space-10:  2.5rem;
    --space-12:  3rem;
    --space-16:  4rem;
    --space-20:  5rem;
    --space-24:  6rem;

    /* Layout */
    --container-max:     1200px;
    --header-height:     80px;
    --border-radius:     8px;
    --border-radius-lg:  16px;

    /* Transições */
    --transition:        0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* ==================
   3. UTILITIES
   ================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.text-accent {
    color: var(--color-primary-light);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    max-width: 560px;
    margin: 0 auto;
}

/* ==================
   4. BUTTONS
   ================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-8);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-border-light);
}

.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--full {
    width: 100%;
}

/* ==================
   5. HEADER
   ================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: rgba(13, 27, 42, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo-img {
    /* logo_header.png recortado: 2527×841 → ~3:1
       height: 56px → width: ~168px */
    height: 56px;
    width: auto;
    object-fit: contain;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.header__nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition);
}

.header__nav-link:hover {
    color: var(--color-white);
}

.header__nav-link--cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--border-radius);
    font-weight: 600;
}

.header__nav-link--cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.header__menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: transform var(--transition), opacity var(--transition);
}

/* ==================
   6. HERO
   ================== */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + var(--space-20));
    padding-bottom: var(--space-24);
    position: relative;
    overflow: hidden;
}

.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(33, 99, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(33, 99, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, transparent 75%);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border: 1px solid var(--color-border);
    padding: var(--space-1) var(--space-3);
    border-radius: 100px;
    margin-bottom: var(--space-6);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero__subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-10);
    max-width: 520px;
}

.hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-16);
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.hero__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--color-border-light);
}

.hero__image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    /* Estilo "relatório de resultados" — card branco com sombra profunda */
    box-shadow:
        0 0 0 1px rgba(33, 99, 255, 0.25),
        0 24px 64px rgba(0, 0, 0, 0.6),
        0 0 80px rgba(33, 99, 255, 0.12);
    transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero__image-wrapper:hover {
    transform: perspective(1000px) rotateY(-1deg) rotateX(1deg);
    box-shadow:
        0 0 0 1px rgba(33, 99, 255, 0.4),
        0 32px 80px rgba(0, 0, 0, 0.65),
        0 0 100px rgba(33, 99, 255, 0.18);
}

.hero__image {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.hero__image-badge {
    position: absolute;
    bottom: var(--space-4);
    left: var(--space-4);
    background-color: rgba(13, 27, 42, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    backdrop-filter: blur(8px);
}

.badge__icon {
    color: var(--color-primary);
    font-weight: 700;
}

.badge__text {
    font-size: var(--font-size-sm);
    color: var(--color-white);
    font-weight: 500;
}

/* ==================
   7. PAIN SECTION
   ================== */
.pain {
    padding: var(--space-24) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.pain__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.pain__card {
    padding: var(--space-8);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-card);
    transition: border-color var(--transition);
}

.pain__card:hover {
    border-color: var(--color-border);
}

.pain__icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.pain__icon--sprite {
    width: 56px;
    height: 56px;
    font-size: 0;
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 4px;
    flex-shrink: 0;
}

.pain__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.pain__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
}

/* ==================
   8. SOLUTIONS
   ================== */
.solutions {
    padding: var(--space-24) 0;
}

.solutions__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.solution-card {
    padding: var(--space-8);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-card);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    transition: border-color var(--transition), background-color var(--transition);
}

.solution-card:hover {
    border-color: var(--color-primary);
    background-color: rgba(33, 99, 255, 0.05);
}

.solution-card--wide {
    grid-column: span 3;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.solution-card__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-2);
}

.solution-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.solution-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
    flex: 1;
}

.solution-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.solution-card__features li {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    padding-left: var(--space-4);
    position: relative;
}

.solution-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.solution-card__tech {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-top: auto;
}

.tech-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary-light);
    border: 1px solid var(--color-border);
    padding: var(--space-1) var(--space-3);
    border-radius: 100px;
}

.solution-card__link {
    display: inline-block;
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    transition: color var(--transition), gap var(--transition);
}
.solution-card__link:hover {
    color: var(--color-white);
}

/* ==================
   9. METHODOLOGY
   ================== */
.methodology {
    padding: var(--space-24) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.methodology__steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: var(--space-16);
}

.method-step {
    flex: 1;
    padding: var(--space-8);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-card);
}

.method-step__connector {
    width: 48px;
    height: 2px;
    background-color: var(--color-primary);
    align-self: center;
    flex-shrink: 0;
    opacity: 0.5;
}

.method-step__number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary-light);
    line-height: 1;
    margin-bottom: var(--space-4);
}

.method-step__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.method-step__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
}

.methodology__visual {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.methodology__image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ==================
   10. ABOUT
   ================== */
.about {
    padding: var(--space-24) 0;
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about__image {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.about__text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.about__values {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.about__value {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.about__value-icon {
    color: var(--color-primary-light);
    font-size: var(--font-size-xs);
}

/* ==================
   11. CTA / FORM
   ================== */
.cta {
    padding: var(--space-24) 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border-light);
}

.cta__inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.cta__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.cta__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--space-12);
}

.cta__form {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form__input {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-white);
    transition: border-color var(--transition);
    outline: none;
    width: 100%;
}

.form__input::placeholder {
    color: var(--color-text-muted);
}

.form__input:focus {
    border-color: var(--color-primary);
    background-color: rgba(33, 99, 255, 0.05);
}

.form__select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.form__select option {
    background-color: var(--color-bg);
    color: var(--color-white);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================
   12. FOOTER
   ================== */
.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-16);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    padding-bottom: var(--space-16);
}

.footer__logo {
    width: 160px;
    height: auto;
    object-fit: contain;
    margin-bottom: var(--space-4);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-3);
}

.footer__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 280px;
}

.footer__col-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-6);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__contact-item {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.footer__social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.footer__social-link {
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    transition: border-color var(--transition), color var(--transition);
}

.footer__social-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.footer__bottom {
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-6) 0;
}

.footer__copy {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

/* ==================
   13. RESPONSIVE
   ================== */
@media (max-width: 1024px) {
    .section-title { font-size: var(--font-size-3xl); }
    .hero__title    { font-size: var(--font-size-4xl); }
    .pain__grid     { grid-template-columns: repeat(2, 1fr); }
    .solutions__grid { grid-template-columns: repeat(2, 1fr); }
    .solution-card--wide { grid-column: span 2; }
    .footer__inner  { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 768px) {
    .header__nav { display: none; }
    .header__nav.is-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border-light);
        padding: var(--space-6);
    }
    .header__nav-list { flex-direction: column; gap: var(--space-4); }
    .header__menu-toggle { display: flex; }

    .hero__inner    { grid-template-columns: 1fr; }
    .hero__visual   { display: none; }
    .hero__title    { font-size: var(--font-size-3xl); }
    .hero__stats    { flex-wrap: wrap; gap: var(--space-6); }
    .hero__stat-divider { display: none; }

    .pain__grid     { grid-template-columns: 1fr; }
    .solutions__grid { grid-template-columns: 1fr; }
    .solution-card--wide { grid-column: span 1; }

    .methodology__steps { flex-direction: column; }
    .method-step__connector { width: 2px; height: 32px; align-self: center; }

    .about__inner   { grid-template-columns: 1fr; }
    .about__image   { height: 280px; }

    .form__row      { grid-template-columns: 1fr; }
    .footer__inner  { grid-template-columns: 1fr; }
    .section-title  { font-size: var(--font-size-2xl); }
    .cta__title     { font-size: var(--font-size-3xl); }
}

@media (max-width: 480px) {
    .hero__title    { font-size: var(--font-size-2xl); }
    .hero__actions  { flex-direction: column; }
    .btn            { width: 100%; text-align: center; }
}

/* ==================
   14. BUTTON EXTRA
   ================== */
.btn--lg {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-md);
}

/* ==================
   15. INSIGHTS
   ================== */
.insights {
    padding: var(--space-24) 0;
}

.insights__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.insight-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-8);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background-color: var(--color-bg-card);
    text-decoration: none;
    transition: border-color var(--transition), background-color var(--transition);
}

.insight-card:hover {
    border-color: var(--color-primary);
    background-color: rgba(33, 99, 255, 0.05);
}

.insight-card__tag {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.insight-card__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    line-height: 1.4;
    flex: 1;
}

.insight-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
}

.insight-card__link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-top: var(--space-2);
}

.insights__footer {
    text-align: center;
}

/* ==================
   16. CTA — CALENDLY + DIVIDER
   ================== */
.cta__calendly {
    margin-bottom: var(--space-10);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.cta__calendly-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.cta__divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.cta__divider::before,
.cta__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border-light);
}

.form__privacy {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-2);
}

/* ==================
   17. WHATSAPP FLOAT
   ================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 200;
    width: 56px;
    height: 56px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
}

/* ==================
   18. LGPD BANNER
   ================== */
.lgpd-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background-color: rgba(13, 27, 42, 0.97);
    border-top: 1px solid var(--color-border-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-4) var(--space-6);
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.lgpd-banner.is-visible {
    display: flex;
}

.lgpd-banner__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    max-width: 680px;
}

.lgpd-banner__btn {
    flex-shrink: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-6);
    border-radius: var(--border-radius);
    cursor: pointer;
    border: none;
    transition: background-color var(--transition);
}

.lgpd-banner__btn:hover {
    background-color: var(--color-primary-dark);
}

/* ==================
   LANGUAGE SWITCHER
   ================== */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-left: var(--space-4);
}

.lang-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--color-text-muted);
    font-family: var(--font-family);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition);
    line-height: 1.6;
}

.lang-btn:hover {
    color: var(--color-white);
    border-color: var(--color-primary);
}

.lang-btn--active {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.lang-separator {
    color: var(--color-text-muted);
    font-size: 11px;
    opacity: 0.4;
    user-select: none;
}

@media (max-width: 768px) {
    .lang-switcher { margin-left: var(--space-2); }
    .lang-btn      { font-size: 10px; padding: 2px 4px; }
}

/* ==================
   RESPONSIVE — extras
   ================== */
@media (max-width: 1024px) {
    .insights__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .insights__grid { grid-template-columns: 1fr; }
    .whatsapp-float { bottom: var(--space-4); right: var(--space-4); }
    .lgpd-banner    { flex-direction: column; text-align: center; gap: var(--space-3); }
}

/* ==================
   19. PRODUCT PAGES
   ================== */

/* Hero */
.product-hero {
    padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}
.product-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(33,99,255,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.product-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}
.product-hero__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
    transition: color var(--transition);
}
.product-hero__back:hover { color: var(--color-primary-light); }
.product-hero__tag {
    display: inline-block;
    background: rgba(33,99,255,0.15);
    border: 1px solid rgba(33,99,255,0.3);
    color: var(--color-primary-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-1) var(--space-4);
    border-radius: 100px;
    margin-bottom: var(--space-6);
}
.product-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--space-6);
}
.product-hero__subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}
.product-hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.product-hero__visual { position: relative; }
.product-hero__screen {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.product-hero__screen img { width: 100%; display: block; }

/* Pain */
.product-pain {
    padding: var(--space-20) 0;
    background: var(--color-bg-alt);
}
.product-pain__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}
.product-pain__item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: var(--space-8);
}
.product-pain__icon { font-size: 1.5rem; margin-bottom: var(--space-4); }
.product-pain__title { font-size: var(--font-size-base); font-weight: 600; margin-bottom: var(--space-2); }
.product-pain__desc { font-size: var(--font-size-sm); color: var(--color-text-muted); line-height: 1.6; }

/* Screen sections */
.screen-section {
    padding: var(--space-24) 0;
    border-bottom: 1px solid var(--color-border-light);
}
.screen-section:nth-child(even) { background: var(--color-bg-alt); }
.screen-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}
.screen-section__inner--reversed { direction: rtl; }
.screen-section__inner--reversed > * { direction: ltr; }
.screen-section__number {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
}
.screen-section__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--space-4);
}
.screen-section__context {
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
    font-weight: 600;
    margin-bottom: var(--space-6);
    padding-left: var(--space-4);
    border-left: 2px solid var(--color-primary);
}
.screen-section__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}
.screen-section__gains { display: flex; flex-direction: column; gap: var(--space-3); }
.screen-section__gain {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.screen-section__gain::before {
    content: '✓';
    color: #10B981;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}
.screen-section__visual { position: relative; }
.screen-frame {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
    background: #1A2238;
}
.screen-frame img { width: 100%; display: block; }
.screen-caption {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-3);
}

/* Product CTA */
.product-cta {
    padding: var(--space-24) 0;
    background: var(--color-bg);
    text-align: center;
}
.product-cta__inner { max-width: 700px; margin: 0 auto; }
.product-cta__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}
.product-cta__subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    margin-bottom: var(--space-10);
    line-height: 1.7;
}
.product-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.product-cta__note {
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==================
   SMARTASSET — App section
   ================== */
.app-section {
    padding: var(--space-24) 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
}
.app-section__header {
    text-align: center;
    margin-bottom: var(--space-16);
}
.app-section__badge {
    display: inline-block;
    background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.3);
    color: #10B981;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-1) var(--space-4);
    border-radius: 100px;
    margin-bottom: var(--space-6);
}
.app-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}
.app-section__screens {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}
.app-section__number {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #10B981;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
}
.app-section__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--space-4);
}
.app-section__context {
    font-size: var(--font-size-sm);
    color: #10B981;
    font-weight: 600;
    margin-bottom: var(--space-6);
    padding-left: var(--space-4);
    border-left: 2px solid #10B981;
}
.app-section__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}
.app-section__devices {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}
.device-badge {
    display: inline-flex;
    align-items: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border-light);
    border-radius: 100px;
    padding: var(--space-1) var(--space-3);
}

/* ==================
   20. RESPONSIVE — index improvements
   ================== */
@media (max-width: 768px) {
    .hero { padding-top: calc(var(--header-height) + var(--space-12)); padding-bottom: var(--space-16); }
    .pain, .solutions, .methodology, .about, .insights, .cta { padding: var(--space-16) 0; }
    .section-header { margin-bottom: var(--space-8); }
    .methodology__visual { display: none; }
    .methodology__steps { margin-bottom: 0; }
}
@media (max-width: 480px) {
    .cta__title   { font-size: var(--font-size-2xl); }
    .hero__stats  { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
    .hero__stat-divider { display: none; }
}

/* ==================
   21. RESPONSIVE — product pages
   ================== */
@media (max-width: 1024px) {
    .product-hero__inner,
    .screen-section__inner,
    .app-section__inner {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
    .screen-section__inner--reversed { direction: ltr; }
    .product-pain__grid { grid-template-columns: 1fr 1fr; }
    .product-hero__title { font-size: var(--font-size-3xl); }
    .app-section__header { margin-bottom: var(--space-8); }
}
@media (max-width: 768px) {
    .product-hero {
        padding-top: calc(var(--header-height) + var(--space-10));
        padding-bottom: var(--space-10);
    }
    .product-pain { padding: var(--space-12) 0; }
    .screen-section { padding: var(--space-12) 0; }
    .product-cta { padding: var(--space-12) 0; }
    .app-section { padding: var(--space-12) 0; }
    .product-pain__grid { grid-template-columns: 1fr; }
    .product-hero__title { font-size: var(--font-size-2xl); }
    .screen-section__title { font-size: var(--font-size-xl); }
    .app-section__title { font-size: var(--font-size-xl); }
    .product-cta__title { font-size: var(--font-size-2xl); }
    .screen-section__inner { gap: var(--space-8); }
}
@media (max-width: 480px) {
    .product-hero__title { font-size: var(--font-size-xl); }
    .product-cta__title  { font-size: var(--font-size-xl); }
    .app-section__title  { font-size: var(--font-size-lg); }
    .product-hero__actions  { flex-direction: column; }
    .product-cta__actions   { flex-direction: column; align-items: stretch; }
    .product-pain { padding: var(--space-10) 0; }
    .screen-section { padding: var(--space-10) 0; }
    .app-section { padding: var(--space-10) 0; }
    .product-hero { padding-bottom: var(--space-8); }
    .app-section__screens { grid-template-columns: 1fr; }
}