/* CSS Variables for theming */
:root {
    --primary-color: #B29B82; /* Elegant gold/sand */
    --primary-color-dark: #8F7861;
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #FAFAFA;
    --bg-card: #FFFFFF;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography styles */
h1, h2, h3, .nav-logo {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background: #E8C9C1; /* Rose gold */
    padding: 20px 0;
}

.navbar.scrolled {
    background: #E8C9C1;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.navbar.scrolled .nav-logo, .navbar.scrolled .nav-links a {
    color: #000000;
}

.navbar .nav-logo, .navbar .nav-links a {
    color: #000000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
    background-color: #000;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%; /* Concentra a visão mais ao topo, onde ficam os rostos */
}

.hero-overlay {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    padding: 20px;
    animation: fadeUp 1.5s ease-out;
    z-index: 2;
    position: relative;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    font-style: italic;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 30px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.2);
}

.hero-date {
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: #fff;
    border-color: #fff;
}

/* Gifts Section */
.gifts-section {
    position: relative;
    padding: 100px 20px;
    background-color: transparent;
    /* overflow removido para o video poder ficar fixo na tela */
}

.gifts-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover; /* Preenche a tela toda sem esticar/deformar */
    object-position: center 30%; /* Priorizar a parte superior central onde estão vocês */
    z-index: -3; /* Fica no fundo absoluto do site, aparecendo apenas quando a seção é transparente */
}

.gifts-overlay {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background-color: rgba(255, 255, 255, 0.45); /* Lower opacity to show video clearly */
    backdrop-filter: blur(2px); /* Slight blur helps text readability while showing video */
    z-index: -1;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    color: var(--primary-color-dark); /* Deeper text for contrast */
    margin-bottom: 15px;
    text-shadow: 2px 2px 8px rgba(255, 255, 255, 0.9); /* White glow to keep it readable */
}

.section-subtitle {
    text-align: center;
    color: #000;
    max-width: 800px;
    margin: 0 auto 50px auto;
    font-size: 1.3rem;
    font-weight: 700; /* Bold weight */
    line-height: 1.6;
    text-shadow: 1px 1px 5px rgba(255, 255, 255, 0.8);
}

.gifts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Individual Gift Card */
.gift-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.gift-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 4px;
    background: var(--primary-color);
    transition: left 0.4s ease;
}

.gift-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.gift-card:hover::before {
    left: 0;
}

.gift-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.gift-image-container {
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
}

.gift-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.gift-card:hover .gift-image {
    transform: scale(1.05);
}

.gift-title {
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-color);
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gift-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color-dark);
    margin-bottom: 20px;
    text-align: center;
}

.gift-btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
    width: 100%;
}

.gift-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    background-color: #ffffff;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 25px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover,
.close-btn:focus {
    color: var(--primary-color-dark);
    text-decoration: none;
}

.modal-header h2 {
    color: var(--primary-color-dark);
    margin-bottom: 10px;
    font-size: 1.8rem;
}

#modal-gift-name {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.modal-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 30px;
}

.payment-options h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.payment-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px;
    margin-bottom: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition);
}

.payment-btn .icon {
    margin-right: 12px;
    font-size: 1.3rem;
}

.pix-btn {
    background-color: #32BCAD; /* PIX color roughly */
    color: white;
}

.pix-btn:hover {
    background-color: #279e91;
    transform: translateY(-2px);
}

.card-btn {
    background-color: var(--primary-color);
    color: white;
}

.card-btn:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
}

/* Back Button */
.back-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    position: absolute;
    top: 25px;
    left: 25px;
    transition: var(--transition);
}

.back-btn:hover {
    color: var(--primary-color);
}

/* PIX Panel Styles */
.pix-key-box {
    background-color: #f0fdfa;
    border: 1px dashed #32BCAD;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

#pix-key {
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: #333;
}

.copy-btn {
    background-color: #32BCAD;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background-color: #279e91;
}

.pix-instruction {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Card Panel Styles */
.card-form {
    text-align: left;
    margin-top: 20px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 5px;
    font-weight: 500;
}

.input-group input, 
.input-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
    outline: none;
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(178, 155, 130, 0.2);
}

.form-row {
    display: flex;
    gap: 15px;
}

.half {
    flex: 1;
}

.finalize-btn {
    margin-top: 15px;
    padding: 15px;
    font-size: 1.05rem;
}

/* Setup responsive design */
@media (max-width: 1024px) {
    .gifts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gifts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .nav-links {
        display: none; /* In a full app, we'd add a hamburger menu */
    }
}

@media (max-width: 500px) {
    .gifts-grid {
        grid-template-columns: 1fr;
    }
}