/* =============================================
   COMPONENTS — Botões, cartões, formulários, UI
   ============================================= */

/* ---------- Botões ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.98rem;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn i { font-size: 0.9em; transition: transform 0.3s var(--ease-out-expo); }
.btn:hover i { transform: translateX(4px); }

.btn-lg { padding: 1.15rem 2.6rem; font-size: 1.05rem; }

.btn-gold {
    background: var(--gradient-gold);
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(91, 26, 46, 0.5);
}

.btn-gold::after {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: skewX(-25deg);
    transition: left 0.6s var(--ease-out-expo);
}

.btn-gold:hover::after { left: 130%; }

.btn-navy {
    background: var(--navy-800);
    color: var(--white);
    box-shadow: var(--shadow-navy);
}

.btn-navy:hover {
    background: var(--navy-600);
    transform: translateY(-3px);
}

.btn-outline-gold {
    background: transparent;
    color: var(--gold-600);
    border-color: var(--gold-500);
}

.btn-outline-gold:hover {
    background: var(--gold-500);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(4px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--white);
    transform: translateY(-3px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ---------- Cartões com tilt 3D ---------- */

.tilt {
    transform-style: preserve-3d;
    will-change: transform;
}

.tilt-inner {
    transform: translateZ(24px);
}

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(91, 26, 46, 0.4);
}

/* ---------- Info cards (Sobre) ---------- */

.info-card {
    position: relative;
    padding: 2rem 1.6rem;
    text-align: center;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s var(--ease-out-expo);
}

.info-card:hover::before { transform: scaleX(1); }

.info-card .card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(91, 26, 46, 0.12);
    border: 1px solid rgba(91, 26, 46, 0.35);
    color: var(--gold-600);
    font-size: 1.5rem;
    transition: var(--transition);
}

.info-card:hover .card-icon {
    background: var(--gradient-gold);
    color: var(--white);
    transform: translateZ(30px) scale(1.06);
    box-shadow: var(--shadow-gold);
}

.info-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.info-card p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.info-card small {
    display: block;
    margin-top: 0.3rem;
    color: var(--gold-600);
    font-weight: 600;
    font-size: 0.82rem;
}

.info-card.gold {
    background: var(--gradient-navy);
    color: var(--white);
}

.info-card.gold h3 { color: var(--gold-300); }
.info-card.gold p { color: rgba(255, 255, 255, 0.8); }

.info-card.gold .card-icon {
    background: rgba(216, 167, 180, 0.12);
    border-color: rgba(216, 167, 180, 0.4);
    color: var(--gold-300);
}

/* ---------- Cartões de palestrante ---------- */

.speaker-card {
    padding: 2.4rem 2rem;
    text-align: center;
    position: relative;
}

.speaker-card::after {
    content: '\f502';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    font-size: 1.6rem;
    color: rgba(91, 26, 46, 0.18);
}

.speaker-monogram {
    width: 110px;
    height: 110px;
    margin: 0 auto 1.4rem;
    border-radius: 50%;
    background: var(--gradient-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--gold-300);
    border: 3px solid var(--gold-400);
    box-shadow: var(--shadow-gold);
    position: relative;
    transition: var(--transition);
}

.speaker-photo {
    width: 110px;
    height: 110px;
    margin: 0 auto 1.4rem;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--gold-500);
    box-shadow: var(--shadow-gold);
    display: block;
    transition: var(--transition);
}

.speaker-card:hover .speaker-photo {
    transform: scale(1.05);
}

.speaker-card:hover .speaker-monogram {
    transform: translateZ(40px) scale(1.05) rotate(-3deg);
}

.speaker-name {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.3rem;
}

.speaker-role {
    display: inline-block;
    background: rgba(91, 26, 46, 0.12);
    color: var(--gold-600);
    border: 1px solid rgba(91, 26, 46, 0.3);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.2rem;
}

.speaker-theme {
    background: var(--cream-200);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.3rem;
    text-align: left;
}

.speaker-theme strong {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--navy-800);
    margin-bottom: 0.4rem;
}

.speaker-theme strong i { color: var(--gold-600); }

.speaker-theme p {
    color: var(--gray-500);
    font-size: 0.92rem;
}

/* ---------- Timeline (Programação) ---------- */

.timeline {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding-left: 2.4rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--gold-400), rgba(216, 167, 180, 0.15));
}

.timeline-item {
    position: relative;
    padding-bottom: 2.4rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -2.4rem;
    top: 4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--navy-800);
    border: 3px solid var(--gold-400);
    box-shadow: 0 0 0 6px rgba(216, 167, 180, 0.18);
}

.timeline-item:last-child .timeline-dot { background: var(--gradient-rose); }

.timeline-time {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--gold-300);
    background: rgba(216, 167, 180, 0.1);
    border: 1px solid rgba(216, 167, 180, 0.25);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.7rem;
}

.timeline-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 1.3rem 1.5rem;
    backdrop-filter: blur(6px);
    transition: var(--transition);
}

.timeline-card:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(91, 26, 46, 0.45);
    transform: translateX(8px);
}

.timeline-card h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.timeline-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.92rem;
}

.timeline-card p i { color: var(--gold-400); margin-right: 0.4rem; }

/* ---------- FAQ (Accordion) ---------- */

.accordion {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item.active {
    border-color: rgba(91, 26, 46, 0.5);
    box-shadow: var(--shadow-gold);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-weight: 600;
    color: var(--navy-800);
    font-size: 1.02rem;
}

.accordion-header i.fa-question {
    color: var(--gold-600);
    margin-right: 0.6rem;
}

.accordion-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(91, 26, 46, 0.12);
    color: var(--gold-600);
    transition: var(--transition);
}

.accordion-item.active .accordion-icon {
    background: var(--gradient-gold);
    color: var(--white);
    transform: rotate(45deg);
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease-out-expo);
}

.accordion-panel-inner {
    padding: 0 1.5rem 1.4rem;
    color: var(--gray-500);
    font-size: 0.96rem;
}

/* ---------- Toast ---------- */

.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10001;
    min-width: 300px;
    max-width: min(92vw, 420px);
    padding: 1rem 1.3rem;
    border-radius: var(--radius-md);
    background: var(--gradient-navy);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.45s var(--ease-out-expo), opacity 0.45s var(--ease-out-expo);
    border-left: 4px solid var(--gold-500);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast i { font-size: 1.2rem; color: var(--gold-300); }

.toast.success { border-left-color: var(--green-600); }
.toast.success i { color: var(--green-600); }
.toast.error { border-left-color: var(--red-600); }
.toast.error i { color: var(--red-600); }
.toast.warning { border-left-color: var(--orange-500); }
.toast.warning i { color: var(--orange-500); }

/* ---------- Preloader ---------- */

.preloader {
    position: fixed;
    inset: 0;
    z-index: 10002;
    background: var(--navy-900);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.7s var(--ease-out-expo), visibility 0.7s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
}

.preloader-icon {
    font-size: 3rem;
    color: var(--gold-400);
    animation: preloader-float 1.6s ease-in-out infinite;
    display: block;
    margin-bottom: 1rem;
}

.preloader-brand {
    color: var(--gold-300);
    font-family: var(--font-serif);
    font-size: 1.3rem;
    letter-spacing: 0.08em;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    margin: 1.4rem auto 0;
    overflow: hidden;
}

.preloader-bar span {
    display: block;
    width: 40%;
    height: 100%;
    background: var(--gradient-gold);
    border-radius: var(--radius-full);
    animation: preloader-slide 1.2s ease-in-out infinite;
}

@keyframes preloader-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes preloader-slide {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(520%); }
}

/* ---------- Botões flutuantes ---------- */

.float-btn {
    position: fixed;
    z-index: 999;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp {
    left: 22px;
    bottom: 22px;
    background: #25d366;
    color: var(--white);
    animation: whatsapp-pulse 2.2s infinite;
}

.btn-whatsapp:hover { transform: scale(1.12); }

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45); }
    70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.btn-top {
    right: 22px;
    bottom: 22px;
    background: var(--navy-800);
    color: var(--gold-300);
    border: 1px solid rgba(91, 26, 46, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.btn-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-top:hover {
    background: var(--gradient-gold);
    color: var(--white);
    transform: translateY(-4px);
}