/* Globals & Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0a0a;
    --bg-light-dark: #141414;
    --text-white: #ffffff;
    --text-gray: #b3b3b3;
    --lime-green: #ccff00;
    --lime-green-hover: #b3e600;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h2.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
}

p.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 50px;
}

/* Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--lime-green);
    color: #000;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 18px 40px;
    border-radius: 50px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.cta-button:hover {
    background-color: var(--lime-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(204, 255, 0, 0.2);
}

.cta-button.final {
    width: 100%;
    font-size: 1.2rem;
    padding: 20px;
    margin-top: 20px;
}

/* Dobra 1: Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('./francisc+andre.png') top center/cover no-repeat;
}

.hero .overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(10,10,10,0.8), rgba(10,10,10,0.95));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 20px;
}

.hero-content .logo {
    height: 60px;
    margin-bottom: 40px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-content .subheadline {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.event-info {
    margin-bottom: 40px;
}

.event-info span {
    display: inline-block;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 1rem;
    letter-spacing: 1px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(5px);
}

/* Dobra 2: Conteúdo (Palestras) */
.content-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--bg-light-dark);
    padding: 50px 40px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(204, 255, 0, 0.3);
}

.card-icon {
    font-size: 2rem;
    color: var(--lime-green);
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0.8;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-gray);
    font-size: 1.05rem;
}

.card p strong {
    color: var(--text-white);
}

/* Dobra 3: Palestrantes */
.speakers-section {
    padding: 100px 0;
    background-color: var(--bg-light-dark);
}

.speaker-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.speaker-card {
    display: flex;
    align-items: center;
    background-color: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
}

.speaker-card img {
    width: 250px;
    min-height: 400px;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    filter: grayscale(100%) contrast(1.2);
    transition: filter 0.3s ease;
}

.speaker-card:hover img {
    filter: grayscale(0%) contrast(1.1);
}

.speaker-info {
    padding: 40px;
    flex: 1;
}

.speaker-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--lime-green);
}

.speaker-info p.talk-title {
    color: var(--text-white);
    font-size: 1.05rem;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.speaker-info p.talk-title strong {
    color: var(--lime-green);
    display: block;
    margin-bottom: 5px;
}

.speaker-info p.bio {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.instagram-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    color: #000;
    font-size: 1rem;
    font-weight: 700;
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--lime-green);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.instagram-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(204, 255, 0, 0.4);
    background-color: var(--lime-green-hover);
    color: #000;
}

/* Dobra 4: Networking */
.networking-section {
    padding: 120px 0;
    background: url('./assets/networking_dinner.png') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
}

.networking-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.6) 100%);
    z-index: 1;
}

.networking-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0;
    margin-left: auto;
    margin-right: auto;
}

.networking-section h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.networking-label {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--lime-green);
    margin-bottom: 15px;
}

.networking-section p {
    font-size: 1.05rem;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.networking-section p strong {
    color: var(--text-white);
}

/* Venue Block */
.venue-block {
    margin: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 30px 0;
}

.venue-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--lime-green);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.venue-address {
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.venue-flag {
    font-size: 2rem;
    margin-bottom: 12px;
}

.venue-date {
    color: var(--text-gray);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Urgency Badge */
.urgency-badge {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-white) !important;
    margin-top: 30px !important;
    padding: 20px;
    border-left: 3px solid var(--lime-green);
    background: rgba(204,255,0,0.04);
    border-radius: 0 4px 4px 0;
    text-align: left;
}

.urgency-badge span {
    display: block;
    margin-top: 8px;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--text-gray);
}

/* Brand Section */
.brand-section {
    padding: 100px 0;
    background: var(--bg-light-dark);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.brand-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
}

.brand-logo {
    height: 50px;
    opacity: 0.9;
}

.brand-slogan {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    line-height: 1.8;
    font-style: italic;
}

.brand-cta {
    background-color: transparent;
    color: var(--lime-green);
    border: 2px solid var(--lime-green);
}

.highlights-list {
    list-style: none;
}

.highlights-list li {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.highlights-list .bullet {
    width: 8px;
    height: 8px;
    background-color: var(--lime-green);
    border-radius: 50%;
    margin-right: 15px;
    box-shadow: 0 0 10px var(--lime-green);
}

/* Dobra 5: Inscrição */
.signup-section {
    padding: 120px 0;
    background-color: var(--bg-dark);
}

.signup-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.urgency-text {
    text-align: center;
    color: var(--lime-green);
    font-weight: 600;
    margin-bottom: 50px;
}

.signup-form {
    max-width: 500px;
    margin: 0 auto;
    background-color: var(--bg-light-dark);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.form-group input {
    width: 100%;
    padding: 15px;
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: var(--text-white);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--lime-green);
}

/* Phone field with DDI */
.phone-row {
    display: flex;
    gap: 0;
}

.ddi-wrapper {
    flex-shrink: 0;
}

.ddi-select {
    height: 100%;
    padding: 15px 12px;
    background-color: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-right: none;
    border-radius: 4px 0 0 4px;
    color: var(--text-white);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b3b3b3' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.ddi-select:focus {
    border-color: var(--lime-green);
}

.ddi-select option {
    background-color: #1a1a1a;
    color: var(--text-white);
}

.phone-row input[type="tel"] {
    flex: 1;
    border-radius: 0 4px 4px 0;
    width: auto;
}

/* Footer */
footer {
    padding: 30px 0;
    text-align: center;
    background-color: #050505;
    color: #666;
    font-size: 0.9rem;
}

/* WhatsApp Group Card */
.wpp-card {
    max-width: 500px;
    margin: 30px auto 0;
    background: linear-gradient(135deg, rgba(37,211,102,0.1) 0%, rgba(20,20,20,1) 60%);
    border: 1px solid rgba(37,211,102,0.3);
    border-radius: 8px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
}

.wpp-card-icon {
    color: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37,211,102,0.1);
    border-radius: 50%;
    width: 64px;
    height: 64px;
}

.wpp-card-text h4 {
    font-size: 1.2rem;
    color: var(--text-white);
    margin-bottom: 8px;
}

.wpp-card-text p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.wpp-card-btn {
    background-color: #25D366;
    color: #fff;
    font-size: 1rem;
    padding: 14px 32px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.wpp-card-btn:hover {
    background-color: #1ebe57;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
    color: #fff;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content h1 { font-size: 2.5rem; }
    .speaker-card { flex-direction: column; text-align: center; }
    .speaker-card img { width: 100%; height: 350px; min-height: unset; object-position: top center; }
    .speaker-info { padding: 30px; }
}

@media (max-width: 600px) {
    .hero-content h1 { font-size: 2rem; }
    .hero-content .subheadline { font-size: 1rem; }
    .cards-grid { grid-template-columns: 1fr; }
    .speaker-row { grid-template-columns: 1fr; }
    .networking-section h2 { font-size: 2rem; }
    .signup-section h2 { font-size: 2rem; }

    /* Fix phone field overflow on mobile */
    .phone-row {
        flex-wrap: nowrap;
        overflow: hidden;
    }

    .ddi-select {
        min-width: 0;
        width: 110px;
        font-size: 0.85rem;
        padding: 15px 24px 15px 8px;
    }

    .phone-row input[type="tel"] {
        min-width: 0;
        width: 0;
        flex: 1 1 0%;
    }
}
/* Intl Tel Input Overrides */
.iti { width: 100%; display: block; }
.iti__country-list { 
    background-color: var(--bg-light-dark); 
    color: var(--text-white); 
    border: 1px solid rgba(255,255,255,0.1); 
}
.iti__country-name, .iti__dial-code { color: var(--text-white); }
.iti__divider { border-bottom: 1px solid rgba(255,255,255,0.1); }
.iti__selected-flag { background-color: rgba(255,255,255,0.05); padding: 0 15px; }
.iti__flag-container:hover .iti__selected-flag { background-color: rgba(255,255,255,0.1); }