/* ============================================================
   SAM Data Logger — Landing Page Styles
   Aurora Glassmorphism Theme
   ============================================================ */

:root {
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --text-color: #e0e0e0;
    --text-strong: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #00E5FF;
    --accent-2: #00BFA5;
}

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

html { scroll-behavior: smooth; }

body {
    background: linear-gradient(135deg, #02111D 0%, #033649 50%, #00605B 100%);
    background-attachment: fixed;
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
}

/* ── Orbs ─────────────────────────────────────────────────── */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: float 20s infinite alternate ease-in-out;
    pointer-events: none;
}
.orb-1 { width: 500px; height: 500px; background: #00E5FF; top: -150px; left: -150px; opacity: 0.25; }
.orb-2 { width: 600px; height: 600px; background: #00BFA5; bottom: -250px; right: -150px; opacity: 0.18; animation-delay: -5s; }
.orb-3 { width: 350px; height: 350px; background: #1A237E; top: 40%; left: 45%; opacity: 0.35; animation-delay: -10s; }

@keyframes float {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 60px) scale(1.12); }
}

/* ── Glass Panel ──────────────────────────────────────────── */
.glass {
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 1.2rem;
}

/* ── Navbar ───────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(2, 17, 29, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-strong);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo span { color: var(--accent); }

.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.7rem 1.8rem;
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    border: none;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #00838F, #00E5FF);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-outline:hover {
    background: rgba(0, 229, 255, 0.1);
    transform: translateY(-2px);
    color: var(--accent);
}

.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.88rem; }

.btn-ghost {
    background: rgba(255,255,255,0.08);
    color: var(--text-strong);
    border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); }

/* ── Sections ─────────────────────────────────────────────── */
section { position: relative; z-index: 1; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1.5rem 4rem;
}

.hero-badge {
    display: inline-block;
    background: rgba(0,229,255,0.12);
    border: 1px solid rgba(0,229,255,0.3);
    color: var(--accent);
    padding: 0.3rem 1rem;
    border-radius: 2rem;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

#hero h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--text-strong);
    line-height: 1.15;
    margin-bottom: 1.2rem;
}

#hero h1 span { color: var(--accent); }

#hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

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

.hero-stats {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.stat { text-align: center; }
.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Como Funciona ────────────────────────────────────────── */
#como-funciona {
    padding: 6rem 1.5rem;
}

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--text-strong);
    margin-bottom: 0.8rem;
}
.section-header p { color: var(--text-muted); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.step-card {
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s;
}
.step-card:hover { transform: translateY(-6px); }

.step-icon {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0,229,255,0.2), rgba(0,191,165,0.1));
    border: 1px solid rgba(0,229,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.2rem;
}

.step-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.step-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-strong); margin-bottom: 0.6rem; }
.step-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; }

/* ── Benefícios ───────────────────────────────────────────── */
#beneficios {
    padding: 6rem 1.5rem;
    background: rgba(0,0,0,0.15);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.2rem;
}

.benefit-card {
    padding: 1.6rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: transform 0.3s;
}
.benefit-card:hover { transform: translateY(-4px); }

.benefit-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.benefit-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-strong); margin-bottom: 0.3rem; }
.benefit-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; }

/* ── Pricing ──────────────────────────────────────────────── */
#pricing {
    padding: 6rem 1.5rem;
    text-align: center;
}

.pricing-cta-box {
    max-width: 560px;
    margin: 0 auto;
    padding: 3rem 2.5rem;
    text-align: center;
}

.pricing-cta-box h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-strong);
    margin-bottom: 0.8rem;
}
.pricing-cta-box p { color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.6; }

/* ── Wizard / Formulário ──────────────────────────────────── */
#contratar {
    padding: 6rem 1.5rem;
    background: rgba(0,0,0,0.1);
}

.wizard-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

/* Progress bar */
.wizard-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 2.5rem;
}

.wp-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    position: relative;
}

.wp-circle {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 2px solid var(--glass-border);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.3s;
    z-index: 1;
}

.wp-step.active .wp-circle {
    background: var(--accent);
    border-color: var(--accent);
    color: #02111D;
    box-shadow: 0 0 16px rgba(0,229,255,0.5);
}

.wp-step.done .wp-circle {
    background: var(--accent-2);
    border-color: var(--accent-2);
    color: #fff;
}

.wp-label { font-size: 0.72rem; color: var(--text-muted); text-align: center; }
.wp-step.active .wp-label { color: var(--accent); }

.wp-line {
    flex: 1;
    height: 2px;
    background: var(--glass-border);
    min-width: 60px;
    max-width: 120px;
    margin-bottom: 1.3rem;
    transition: background 0.3s;
}
.wp-line.done { background: var(--accent-2); }

/* Wizard Panel */
.wizard-panel {
    padding: 2.5rem;
}

.wizard-panel h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 0.4rem;
}
.wizard-panel .sub { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.8rem; }

/* Form inputs */
.form-group { margin-bottom: 1.2rem; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--glass-border);
    border-radius: 0.6rem;
    color: var(--text-strong);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,229,255,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }

.form-group select option { background: #033649; color: var(--text-strong); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

/* Device cards */
.device-config {
    border: 1px solid var(--glass-border);
    border-radius: 0.8rem;
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: rgba(0,0,0,0.15);
}

.device-config-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--accent);
    font-size: 0.95rem;
}

/* Summary */
.summary-block {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 0.8rem;
    padding: 1.2rem 1.4rem;
    margin-bottom: 1rem;
}

.summary-block h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.88rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.summary-row:last-child { border-bottom: none; }
.summary-row span:first-child { color: var(--text-muted); }
.summary-row span:last-child { color: var(--text-strong); font-weight: 600; text-align: right; }

/* Wizard navigation */
.wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
}

/* Alert / Success */
.alert-box {
    padding: 1rem 1.4rem;
    border-radius: 0.8rem;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
    display: none;
}
.alert-error {
    background: rgba(255,82,82,0.15);
    border: 1px solid rgba(255,82,82,0.4);
    color: #FF8A80;
}
.alert-success {
    background: rgba(0,191,165,0.15);
    border: 1px solid rgba(0,191,165,0.4);
    color: #A7FFEB;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ───────────────────────────────────────────────── */
footer {
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    nav { padding: 0.9rem 1.2rem; }
    .nav-links { gap: 0.8rem; }
    .wp-line { min-width: 30px; }
    .wizard-panel { padding: 1.5rem; }
    .hero-stats { gap: 1.5rem; }
}

@media (max-width: 480px) {
    .nav-links .hide-mobile { display: none; }
}