/* --- VARIÁVEIS -- */
:root {
    --bg-color: #0a0e27;
    --text-color: #e0e0e0;
    --primary-color: #00ff88; /* Neon Green */
    --secondary-color: #14b8a6; /* Teal */
    --card-bg: #111633;
    --card-border: rgba(20, 184, 166, 0.3);
    --hover-bg: #1a224a;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

/* --- RESET & GLOBAL --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    padding-bottom: 40px;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: white;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

/* Background Glow Effects */
.bg-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.top-left {
    top: -100px;
    left: -100px;
}

.bottom-right {
    bottom: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
}

.container {
    width: 100%;
    max-width: 600px; /* Mobile-focused layout but looks good on desktop centered */
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* --- BOTÕES --- */
.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    border: none;
    margin-bottom: 12px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #05081c; /* Dark text for contrast on neon */
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 1.1rem;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.5);
    background-color: #33ff9f;
}

.pulse-btn {
    animation: pulse-green 2s infinite;
}

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

.btn-secondary:hover {
    background-color: rgba(0, 255, 136, 0.1);
}

.btn-tertiary {
    background: transparent;
    color: #8fa3b0;
    font-size: 0.9rem;
    margin-top: -5px;
}

.btn-tertiary:hover {
    color: white;
    text-decoration: underline;
}

.btn-support-large {
    background-color: #25d366; /* WhatsApp Green */
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-support-large:hover {
    background-color: #20b85a;
}

/* --- HERO --- */
.hero {
    text-align: center;
    padding-top: 20px;
}

.badge {
    background-color: rgba(0, 255, 136, 0.15);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.hero h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 12px;
    background: linear-gradient(180deg, #FFFFFF 0%, #E0E0E0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subheadline {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 24px;
}

/* --- ACCESS KEY --- */
.key-card {
    background: var(--card-bg);
    border: 1px solid var(--secondary-color);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 0 20px rgba(20, 184, 166, 0.15);
    position: relative;
    overflow: hidden;
}

.key-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
}

.key-card h2 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.key-display-wrapper {
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.key-value {
    font-family: monospace;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: white;
}

.btn-copy {
    background: var(--secondary-color);
    color: #05081c;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 auto;
    width: auto;
    min-width: 140px;
    transition: all 0.2s ease;
}

.btn-copy:hover {
    background: #1de0ca;
}

.key-helper {
    font-size: 0.9rem;
    color: #94a3b8;
}

/* --- STEPS --- */
.steps-section {
    text-align: center;
}

.steps-section h2 {
    margin-bottom: 24px;
}

.steps-grid {
    display: flex;
    flex-direction: column; /* Mobile first stack */
    gap: 20px;
}

.step-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 20px;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.step-icon {
    background: rgba(0, 255, 136, 0.1);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: white;
}

.step-card p {
    font-size: 0.9rem;
    color: #94a3b8;
}

.link-text {
    color: var(--primary-color);
    font-weight: 600;
}

.highlight-text {
    color: var(--secondary-color);
    background: rgba(20, 184, 166, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
}

/* --- TODAY CHECKLIST --- */
.today-section {
    background: linear-gradient(145deg, #0e1431, #0a0e27);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.today-section h2 {
    margin-bottom: 20px;
}

.checklist li {
    display: flex;
    align-items: flex-start; /* Align with top of text */
    gap: 12px;
    margin-bottom: 16px;
    color: #e0e0e0;
}

.check-icon {
    margin-top: 2px;
}

/* --- FAQ / ACCORDION --- */
.accordion-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    padding: 16px 0;
    text-align: left;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-body);
}

.arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.accordion-item.active .arrow {
    transform: rotate(180deg);
}

.accordion-item.active .accordion-header {
    color: var(--primary-color);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-right: 16px;
}

.accordion-content p {
    color: #94a3b8;
    padding-bottom: 16px;
    font-size: 0.95rem;
}

/* --- SUPPORT SECTION --- */
.support-card {
    background: #111633;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}

.support-card h2 {
    margin-bottom: 12px;
}

.support-card p {
    color: #94a3b8;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    font-size: 0.8rem;
    color: #64748b;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 20px;
}

footer p {
    margin-bottom: 8px;
}

footer a {
    color: #94a3b8;
    text-decoration: underline;
}

/* --- ANIMATIONS --- */
@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 255, 136, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 255, 136, 0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- MEDIA QUERIES --- */
@media (min-width: 768px) {
    .container {
        max-width: 900px;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-buttons {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .btn {
        width: auto;
        padding: 16px 32px;
        font-size: 1.1rem;
    }
    
    .btn-tertiary {
        display: block;   
        width: 100%;
        margin-top: 10px;
    }
    
    .key-display-wrapper {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        max-width: 400px;
        margin: 0 auto 16px;
    }

    .steps-grid {
        flex-direction: row;
        align-items: stretch;
    }

    .step-card {
        flex: 1;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .step-card:hover, .btn:hover {
        transform: translateY(-2px);
    }
}