/* ============================
   REVENDA IPTV MENSALISTA
   Premium Landing Page CSS
   ============================ */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-h: 239;
    --primary-s: 84%;
    --primary-l: 67%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-light: hsl(var(--primary-h), var(--primary-s), 75%);
    --primary-dark: hsl(var(--primary-h), var(--primary-s), 55%);

    --accent-h: 271;
    --accent: hsl(var(--accent-h), 81%, 56%);

    --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
    --gradient-hero: linear-gradient(160deg, hsl(240, 20%, 6%) 0%, hsl(260, 30%, 10%) 50%, hsl(240, 20%, 8%) 100%);
    --gradient-card: linear-gradient(160deg, hsla(240, 30%, 18%, 0.6), hsla(260, 20%, 12%, 0.4));
    --gradient-glass: linear-gradient(135deg, hsla(0, 0%, 100%, 0.08), hsla(0, 0%, 100%, 0.02));

    /* Surfaces */
    --bg: hsl(240, 20%, 4%);
    --bg-elevated: hsl(240, 18%, 7%);
    --bg-card: hsl(240, 16%, 10%);
    --bg-card-hover: hsl(240, 16%, 13%);
    --surface-border: hsla(0, 0%, 100%, 0.06);
    --surface-border-hover: hsla(0, 0%, 100%, 0.12);

    /* Text */
    --text-primary: hsl(0, 0%, 95%);
    --text-secondary: hsl(240, 10%, 70%);
    --text-muted: hsl(240, 8%, 50%);

    /* Status */
    --success: hsl(142, 71%, 45%);
    --warning: hsl(38, 92%, 50%);

    /* Spacing */
    --section-padding: 6rem 0;
    --container-max: 1200px;
    --container-padding: 0 1.5rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 100px;

    /* Shadows */
    --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.3);
    --shadow-md: 0 4px 20px hsla(0, 0%, 0%, 0.4);
    --shadow-lg: 0 8px 40px hsla(0, 0%, 0%, 0.5);
    --shadow-glow: 0 0 60px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15);
    --shadow-glow-strong: 0 0 80px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.25);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

strong {
    font-weight: 600;
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===== SECTION ===== */
.section {
    padding: var(--section-padding);
    position: relative;
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

.section__header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}

.section__badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.12);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: hsla(0, 0%, 100%, 0);
    transition: background var(--transition-fast);
}

.btn:hover::after {
    background: hsla(0, 0%, 100%, 0.08);
}

.btn--primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.35);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.5);
}

.btn--outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--surface-border-hover);
}

.btn--outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateY(-2px);
}

.btn--glass {
    background: hsla(0, 0%, 100%, 0.06);
    color: var(--text-primary);
    border: 1px solid var(--surface-border);
    backdrop-filter: blur(10px);
}

.btn--glass:hover {
    background: hsla(0, 0%, 100%, 0.1);
    border-color: var(--surface-border-hover);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: var(--font-size-lg);
}

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.header--scrolled {
    background: hsla(240, 20%, 4%, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--surface-border);
    padding: 0.6rem 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    z-index: 10;
}

.nav__logo-icon {
    width: 28px;
    height: 28px;
    color: var(--primary);
}

.nav__logo strong {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav__link {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav__link:hover {
    color: var(--text-primary);
    background: hsla(0, 0%, 100%, 0.05);
}

.nav__cta {
    padding: 0.6rem 1.5rem;
    font-size: var(--font-size-sm);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 10;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav__toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero__bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.08);
    filter: blur(120px);
    top: -200px;
    left: -100px;
    pointer-events: none;
    animation: glowPulse 8s ease-in-out infinite;
}

.hero__bg-glow--2 {
    background: hsla(var(--accent-h), 81%, 56%, 0.06);
    top: auto;
    bottom: -300px;
    left: auto;
    right: -200px;
    animation-delay: 4s;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.25rem;
    border-radius: var(--radius-full);
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
    border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease both;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease-in-out infinite, fadeInUp 0.6s ease 0.1s both;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 540px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__stats {
    display: flex;
    gap: 2.5rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

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

.hero__stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

/* Hero Visual */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero__card-stack {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 380px;
}

.hero__main-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 260px;
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    box-shadow: var(--shadow-glow);
    overflow: hidden;
}

.hero__main-visual svg {
    width: 100%;
    height: 100%;
}

.hero__floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    background: var(--gradient-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    z-index: 2;
    animation: floatCard 6s ease-in-out infinite;
}

.hero__floating-card svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

.hero__floating-card strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.hero__floating-card small {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.hero__floating-card--1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.hero__floating-card--2 {
    bottom: 25%;
    left: -10px;
    animation-delay: 2s;
}

.hero__floating-card--3 {
    bottom: 5%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
    padding: 1.5rem 0;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.04);
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
}

.social-proof__text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.social-proof__text strong {
    color: var(--primary-light);
}

/* ===== BENEFITS ===== */
.benefits {
    background: var(--bg);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.benefit-card {
    padding: 2rem;
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.benefit-card:hover {
    border-color: var(--surface-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

.benefit-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
    margin-bottom: 1.25rem;
}

.benefit-card__icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
}

.benefit-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.benefit-card__desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    background: var(--bg-elevated);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    left: 38px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
    border-radius: 2px;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    position: relative;
}

.step__number {
    flex-shrink: 0;
    width: 78px;
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: white;
    box-shadow: 0 0 30px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
    position: relative;
    z-index: 2;
}

.step__content {
    padding-top: 0.75rem;
}

.step__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.step__desc {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== PRICING ===== */
.pricing {
    background: var(--bg);
}

.pricing__notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.08);
    border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.pricing__notice svg {
    color: var(--primary-light);
    flex-shrink: 0;
}

.pricing__notice p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pricing__notice strong {
    color: var(--text-primary);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.pricing-card {
    padding: 2.5rem 2rem;
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--surface-border-hover);
}

.pricing-card--popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow-strong);
    transform: scale(1.02);
    background: linear-gradient(160deg, hsla(var(--primary-h), 40%, 18%, 0.8), hsla(260, 30%, 12%, 0.6));
}

.pricing-card--popular:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.35rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.pricing-card__header {
    margin-bottom: 1.5rem;
}

.pricing-card__name {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

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

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--surface-border);
}

.pricing-card__currency {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-light);
}

.pricing-card__value {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.pricing-card__features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pricing-card__features li svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Pricing Summary Table */
.pricing__summary {
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin-top: 1rem;
}

.pricing__summary h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.pricing__table-wrap {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.pricing__table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.pricing__table th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--surface-border);
}

.pricing__table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--surface-border);
    color: var(--text-secondary);
}

.pricing__table tbody tr:last-child td {
    border-bottom: none;
}

.pricing__table tbody tr:hover {
    background: hsla(0, 0%, 100%, 0.02);
}

.pricing__note {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.pricing__adesao {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: hsla(142, 71%, 45%, 0.08);
    border: 1px solid hsla(142, 71%, 45%, 0.2);
    border-radius: var(--radius-md);
}

.pricing__adesao svg {
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}

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

.pricing__adesao strong {
    color: var(--text-primary);
}

/* ===== PROFIT SIMULATOR ===== */
.profit-simulator {
    background: var(--bg-elevated);
}

.simulator {
    max-width: 700px;
    margin: 0 auto;
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.simulator__inputs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--surface-border);
}

.simulator__field {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.simulator__field label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.simulator__output {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-light);
    letter-spacing: -0.02em;
}

/* Custom Range Slider */
.simulator__range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: hsla(0, 0%, 100%, 0.08);
    outline: none;
    cursor: pointer;
}

.simulator__range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: 0 0 15px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.5);
    transition: transform var(--transition-fast);
}

.simulator__range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.simulator__range::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 15px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.5);
}

.simulator__results {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

.simulator__result {
    text-align: center;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    background: hsla(0, 0%, 100%, 0.03);
}

.simulator__result--highlight {
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
    border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2);
}

.simulator__result-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.simulator__result-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
}

.simulator__result-value--cost {
    color: var(--warning);
}

.simulator__result-value--profit {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== REVIEWS ===== */
.reviews {
    background: var(--bg);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.review-card {
    padding: 2rem;
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: var(--surface-border-hover);
    box-shadow: var(--shadow-glow);
}

.review-card__stars {
    font-size: var(--font-size-lg);
    color: var(--warning);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.review-card__text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.review-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.review-card__name {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.review-card__role {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

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

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq__item {
    background: var(--gradient-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.faq__item[open] {
    border-color: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
    box-shadow: var(--shadow-glow);
}

.faq__question {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    list-style: none;
    transition: color var(--transition-fast);
}

.faq__question::-webkit-details-marker {
    display: none;
}

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

.faq__icon {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.faq__item[open] .faq__icon {
    transform: rotate(180deg);
    color: var(--primary-light);
}

.faq__answer {
    padding: 0 1.5rem 1.5rem;
    animation: faqReveal 0.3s ease;
}

.faq__answer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

@keyframes faqReveal {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--bg);
    padding: 5rem 0 6rem;
}

.cta-box {
    position: relative;
    text-align: center;
    padding: 4rem 3rem;
    background: linear-gradient(160deg, hsla(var(--primary-h), 40%, 16%, 0.6), hsla(260, 30%, 10%, 0.4));
    border: 1px solid hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.2);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-box__glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
    filter: blur(100px);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.cta-box__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    position: relative;
}

.cta-box__desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
    position: relative;
}

.cta-box__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--surface-border);
    padding-top: 4rem;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__brand {
    max-width: 320px;
}

.footer__brand p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: 1rem;
    line-height: 1.7;
}

.footer__links h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--primary-light);
}

.footer__bottom {
    padding: 1.5rem 1.5rem;
    border-top: 1px solid var(--surface-border);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== WHATSAPP FLOATING ===== */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 20px hsla(142, 70%, 49%, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px hsla(142, 70%, 49%, 0.6);
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px hsla(142, 70%, 49%, 0.4); }
    50% { box-shadow: 0 4px 30px hsla(142, 70%, 49%, 0.6), 0 0 0 10px hsla(142, 70%, 49%, 0.1); }
}

/* ===== ANIMATION TARGETS ===== */
.animate-target {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-target.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.benefits__grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.benefits__grid .animate-target:nth-child(3) { transition-delay: 0.2s; }
.benefits__grid .animate-target:nth-child(4) { transition-delay: 0.3s; }
.benefits__grid .animate-target:nth-child(5) { transition-delay: 0.4s; }
.benefits__grid .animate-target:nth-child(6) { transition-delay: 0.5s; }

.pricing__grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.pricing__grid .animate-target:nth-child(3) { transition-delay: 0.2s; }

.reviews__grid .animate-target:nth-child(2) { transition-delay: 0.1s; }
.reviews__grid .animate-target:nth-child(3) { transition-delay: 0.15s; }
.reviews__grid .animate-target:nth-child(4) { transition-delay: 0.2s; }
.reviews__grid .animate-target:nth-child(5) { transition-delay: 0.25s; }
.reviews__grid .animate-target:nth-child(6) { transition-delay: 0.3s; }

.faq__list .animate-target:nth-child(2) { transition-delay: 0.05s; }
.faq__list .animate-target:nth-child(3) { transition-delay: 0.1s; }
.faq__list .animate-target:nth-child(4) { transition-delay: 0.15s; }
.faq__list .animate-target:nth-child(5) { transition-delay: 0.2s; }
.faq__list .animate-target:nth-child(6) { transition-delay: 0.25s; }
.faq__list .animate-target:nth-child(7) { transition-delay: 0.3s; }
.faq__list .animate-target:nth-child(8) { transition-delay: 0.35s; }
.faq__list .animate-target:nth-child(9) { transition-delay: 0.4s; }

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

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.75rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --section-padding: 4.5rem 0;
    }

    .hero__grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__ctas {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__card-stack {
        max-width: 360px;
        height: 320px;
        margin: 0 auto;
    }

    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card--popular {
        order: -1;
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }

    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer__brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --section-padding: 3.5rem 0;
    }

    .nav__list {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: hsla(240, 20%, 4%, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 0.5rem;
        padding: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 5;
    }

    .nav__list--open {
        opacity: 1;
        visibility: visible;
    }

    .nav__list--open .nav__link {
        font-size: var(--font-size-xl);
        padding: 0.75rem 1.5rem;
    }

    .nav__cta {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .hero {
        padding: 7rem 0 3rem;
        min-height: auto;
    }

    .hero__card-stack {
        height: 260px;
        max-width: 300px;
    }

    .hero__main-visual {
        width: 240px;
        height: 200px;
    }

    .hero__floating-card {
        padding: 0.65rem 1rem;
    }

    .hero__floating-card strong {
        font-size: var(--font-size-xs);
    }

    .hero__stats {
        gap: 1.5rem;
    }

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

    .steps::before {
        left: 28px;
    }

    .step__number {
        width: 58px;
        height: 58px;
        font-size: var(--font-size-xl);
    }

    .step {
        gap: 1.25rem;
    }

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

    .pricing-card--popular {
        order: unset;
        max-width: 100%;
    }

    .simulator__results {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

    .cta-box {
        padding: 3rem 1.5rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing__summary {
        padding: 1.5rem;
    }

    .pricing__table th,
    .pricing__table td {
        padding: 0.75rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-5xl: 1.85rem;
        --font-size-4xl: 1.5rem;
        --container-padding: 0 1rem;
    }

    .hero__ctas {
        flex-direction: column;
    }

    .hero__ctas .btn {
        width: 100%;
    }

    .hero__stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .cta-box__actions {
        flex-direction: column;
    }

    .cta-box__actions .btn {
        width: 100%;
    }

    .hero__card-stack {
        height: 220px;
        max-width: 260px;
    }

    .hero__main-visual {
        width: 200px;
        height: 170px;
    }

    .hero__floating-card--2 {
        left: -5px;
    }
}

/* ===== PREFERS REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .animate-target {
        opacity: 1;
        transform: none;
    }
}

/* ===== SELECTION ===== */
::selection {
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
    color: var(--text-primary);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: hsla(0, 0%, 100%, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsla(0, 0%, 100%, 0.18);
}