:root {
    --bg: #050505;
    --black: #000;
    --white: #fff;
    --gray: #111;
    --text-muted: rgba(255,255,255,0.7);
    --gold: #c9a45c;
    --gold-soft: rgba(201,164,92,0.15);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 22px;
}

/* HEADER */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

.logo {
    height: 14px;
    filter: invert(1);
}

.cta-link {
    text-decoration: none;
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-right: 25px;
    opacity: 0.85;
}

.cta-link:hover {
    opacity: 1;
}

.burger {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.burger span {
    width: 30px;
    height: 2px;
    background: currentColor;
    opacity: 0.9;
}

/* HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: 160px 0 80px 0;
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255,255,255,0.05), rgba(0,0,0,0.92));
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 2;
}

.h-xl {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(46px, 8vw, 100px);
    font-weight: 900;
    line-height: 0.92;
    letter-spacing: -2px;
    margin-bottom: 35px;
}

.hero-bottom {
    display: grid;
    grid-template-columns: 1fr;
    gap: 35px;
    align-items: flex-end;
}

.p-lg {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.6;
}

/* BUTTONS */
.hero-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 18px 28px;
    background: var(--gold);
    color: black;
    text-decoration: none;
    font-weight: 800;
    border-radius: 14px;
    display: inline-block;
    transition: 0.25s;
    font-size: 14px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.btn-secondary {
    padding: 18px 28px;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-radius: 14px;
    display: inline-block;
    transition: 0.25s;
    font-size: 14px;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.4);
}

/* PROOF */
.hero-proof {
    margin-top: 35px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.65);
}

.hero-proof strong {
    color: var(--gold);
}

/* SECTIONS */
.section {
    padding: 110px 0;
}

.split-intro {
    max-width: 850px;
    margin-bottom: 60px;
}

.h-md {
    font-size: 46px;
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 20px;
}

/* COMPARISON */
.comparison {
    display: grid;
    grid-template-columns: 1fr;
    border-top: 1px solid rgba(255,255,255,0.12);
}

.comp-item {
    padding: 50px 0;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.comp-item.highlight {
    background: rgba(255,255,255,0.03);
    padding: 50px 20px;
    border-radius: 16px;
}

.comp-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.comp-item p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}

.num {
    font-size: 12px;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 18px;
    display: block;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* DARK */
.bg-dark {
    background: #000;
}

/* SYSTEM GRID */
.system-grid {
    margin-top: 70px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.system-card {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 25px;
}

.system-card h3 {
    font-size: 18px;
    margin: 15px 0;
}

.system-card p {
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

.system-cta {
    margin-top: 60px;
}

/* SIMULATOR */
.ig-feed {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}

.ig-card {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}

.ig-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201,164,92,0.4);
}

.ig-img {
    width: 100%;
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%);
    transition: 0.6s;
}

.ig-card:hover .ig-img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.ig-meta {
    padding: 18px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.7);
}

/* CASES */
.cases-grid {
    margin-top: 70px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.case-card {
    padding: 35px;
    border-radius: 18px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.case-card p {
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 12px;
}

/* FORM */
.section-form {
    padding: 120px 0;
    background: #0b0b0b;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.field {
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 12px;
}

.field label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.6);
}

.field input,
.field select {
    width: 100%;
    background: transparent;
    border: none;
    font-size: 18px;
    font-weight: 400;
    outline: none;
    color: white;
}

.btn-submit {
    background: var(--gold);
    color: black;
    border: none;
    padding: 18px 28px;
    border-radius: 14px;
    font-weight: 900;
    cursor: pointer;
    transition: 0.3s;
    font-size: 14px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.form-note {
    margin-top: 20px;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
}

.form-result {
    margin-top: 22px;
    font-size: 13px;
    font-weight: 700;
    color: var(--gold);
}

/* FULL MENU */
.full-menu {
    position: fixed;
    inset: 0;
    background: black;
    z-index: 99;
    display: flex;
    align-items: center;
    padding: 60px 30px;
    transform: translateY(-100%);
    transition: 0.6s cubic-bezier(0.85, 0, 0.15, 1);
}

.full-menu.active {
    transform: translateY(0);
}

.full-menu nav a {
    display: block;
    font-size: 13vw;
    font-weight: 900;
    text-decoration: none;
    color: white;
    line-height: 1;
    letter-spacing: -3px;
    margin-bottom: 18px;
}

.full-menu nav a:hover {
    color: var(--gold);
}

/* WhatsApp Float */
.wa-float {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 999;
    background: var(--gold);
    color: black;
    padding: 14px 18px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 900;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.wa-float:hover {
    filter: brightness(1.05);
}

/* Footer */
.footer {
    padding: 90px 0;
    background: black;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.logo-gray {
    height: 14px;
    filter: invert(1);
    margin-bottom: 18px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-grid p,
.footer-grid a {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    line-height: 1.7;
}

.footer-grid a:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 25px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

/* Desktop */
@media (min-width: 900px) {
    .hero-bottom {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .comparison {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .comp-item {
        border-bottom: none;
    }

    .system-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .ig-feed {
        grid-template-columns: 1fr 1fr;
    }

    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .form-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 100px;
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}