/* INSTITUTO PAULO VEIGA - PREMIUM STYLE GUIDE
   Author: Gemini 3 Flash & Dev
   Version: 1.0
*/

:root {
    --primary-gold: #c5a059;
    --primary-gold-hover: #b38f4d;
    --dark-navy: #0a192f;
    --darker-navy: #050c16;
    --soft-white: #f8f9fa;
    --text-gray: #adb5bd;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 1. RESET & BASE */
body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--soft-white);
    color: var(--dark-navy);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, .font-premium {
    font-family: 'Cinzel', serif;
    font-weight: 700;
}

a { text-decoration: none; transition: var(--transition-smooth); }

/* 2. HEADER & NAVBAR */
.navbar-premium {
    transition: var(--transition-smooth);
    padding: 20px 0;
    background: transparent;
}

.navbar-premium.scrolled {
    background: rgba(10, 25, 47, 0.98);
    padding: 10px 0;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.nav-link {
    color: #fff !important;
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 12px;
    position: relative;
}

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

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

.nav-cta {
    background: var(--primary-gold);
    color: white !important;
    border-radius: 0;
    padding: 12px 28px !important;
    font-weight: 600;
}

.nav-cta:hover {
    background: #fff !important;
    color: var(--dark-navy) !important;
    transform: translateY(-2px);
}

.logo-img {
    max-height: 55px;
    transition: var(--transition-smooth);
}

/* 3. HERO SECTION (PARALLAX) */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(10, 25, 47, 0.75), rgba(10, 25, 47, 0.75)), 
                url('../img/hero-bg.jpg') no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    color: white;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}

.btn-premium {
    background-color: var(--primary-gold);
    color: white;
    padding: 18px 45px;
    border-radius: 0;
    font-weight: 700;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
}

.btn-premium:hover {
    background-color: transparent;
    border-color: var(--primary-gold);
    color: var(--primary-gold);
    transform: translateY(-5px);
}

/* 4. FOOTER */
.footer-premium {
    background-color: var(--darker-navy);
    color: #fff;
}

.footer-title {
    color: var(--primary-gold);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.footer-links a {
    color: var(--text-gray);
    display: block;
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--primary-gold);
    padding-left: 8px;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(197, 160, 89, 0.3);
    color: var(--primary-gold);
    border-radius: 50%;
}

.social-icon:hover {
    background: var(--primary-gold);
    color: #fff;
    transform: scale(1.1);
}

.footer-bottom {
    background: #02060c;
    border-top: 1px solid rgba(255,255,255,0.03);
    font-size: 0.8rem;
}

/* 5. UTILIDADES PREMIUM */
.text-gold { color: var(--primary-gold); }
.bg-navy { background-color: var(--dark-navy); }
.section-padding { padding: 100px 0; }

.bg-darker-navy { background-color: #03080f; }
.border-gold { border: 1px solid rgba(197, 160, 89, 0.3); }

.premium-input {
    background: transparent !important;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,0.1);
    border-radius: 0;
    color: white !important;
    padding: 15px 0;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.premium-input:focus {
    box-shadow: none;
    border-bottom-color: var(--primary-gold);
}

.btn-check:checked + .btn-outline-gold {
    background-color: var(--primary-gold);
    color: white;
}

.form-step {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Estilo Clean para Inputs */
.clean-input {
    border: none !important;
    border-bottom: 2px solid #eee !important;
    border-radius: 0 !important;
    padding: 12px 0 !important;
    font-weight: 500;
    color: var(--dark-navy) !important;
    transition: all 0.3s ease;
}

.clean-input:focus {
    box-shadow: none !important;
    border-bottom-color: var(--primary-gold) !important;
    background: #fcfcfc !important;
}

.clean-input::placeholder {
    color: #ccc !important;
    font-weight: 300;
}

/* Botão Outline Premium para Seleção */
.btn-outline-premium {
    border: 1px solid #eee;
    color: #666;
    border-radius: 0;
    font-weight: 500;
    transition: 0.3s;
}

.btn-check:checked + .btn-outline-premium {
    border-color: var(--primary-gold);
    background-color: rgba(197, 160, 89, 0.05);
    color: var(--primary-gold);
}

.text-navy { color: #0a192f; }

.success-animation {
    animation: scaleUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleUp {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.text-navy { color: #0a192f; }

/* FAQ */

#faq .accordion-button {
    padding: 20px;
    font-size: 1.1rem;
    background-color: #fff;
    transition: 0.3s;
}

#faq .accordion-button:not(.collapsed) {
    color: var(--primary-gold);
    background-color: #fff;
    box-shadow: none;
}

#faq .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230a192f'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

#faq .accordion-item {
    border-radius: 12px !important;
    overflow: hidden;
}

.divider-gold {
    width: 60px;
    height: 3px;
    background: var(--primary-gold);
    margin: 20px 0;
}