/*
 * components.css — Cognivelo
 * Botões, Cards, Badges, Ícones, Formulário e Composições Visuais CSS
 */

/* ══════════════════════════════════════════════
   CONTAINER
══════════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-gap);
    box-sizing: border-box;
}

/* ══════════════════════════════════════════════
   SEÇÃO — Estrutura Padrão
══════════════════════════════════════════════ */
.section {
    padding-block: var(--section-padding-y);
}

.section--alt {
    background-color: var(--color-background-secondary);
}

.section__header {
    max-width: 680px;
    margin-bottom: var(--space-12);
}

.section__header--centered {
    margin-inline: auto;
    text-align: center;
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
    margin-bottom: var(--space-4);
}

.section__label::before {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--leading-snug);
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

.section__text {
    font-size: var(--text-md);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

/* ══════════════════════════════════════════════
   BOTÕES
══════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.75rem;
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-md);
    transition: background var(--transition-base),
                color var(--transition-base),
                box-shadow var(--transition-base),
                transform var(--transition-fast),
                border-color var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn:active {
    transform: translateY(1px);
}

/* Primário — gradiente azul→turquesa */
.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(23, 107, 206, 0.3);
}

.btn--primary:hover {
    background: var(--gradient-primary-h);
    box-shadow: 0 6px 28px rgba(23, 107, 206, 0.45);
    transform: translateY(-1px);
}

/* Secundário — contorno */
.btn--secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-hover);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-white);
    background: rgba(23, 107, 206, 0.08);
}

/* Ghost — apenas texto */
.btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border-color: transparent;
    padding-inline: var(--space-2);
}

.btn--ghost:hover {
    color: var(--color-secondary);
}

/* WhatsApp */
.btn--whatsapp {
    background: rgba(37, 211, 102, 0.12);
    color: #25d366;
    border-color: rgba(37, 211, 102, 0.25);
}

.btn--whatsapp:hover {
    background: rgba(37, 211, 102, 0.2);
    border-color: rgba(37, 211, 102, 0.5);
}

/* Tamanhos */
.btn--sm {
    padding: 0.55rem 1.1rem;
    font-size: var(--text-xs);
}

.btn--lg {
    padding: 0.9rem 2.25rem;
    font-size: var(--text-base);
}

/* Estado: enviando */
.btn--loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn--loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-left: var(--space-2);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Ícone SVG dentro do botão */
.btn svg {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════
   CARDS DE SOLUÇÃO
══════════════════════════════════════════════ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: border-color var(--transition-base),
                box-shadow var(--transition-base),
                transform var(--transition-slow),
                background var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 0;
}

.card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
    background: var(--color-surface-hover);
}

.card:hover::before {
    opacity: 0.03;
}

.card > * {
    position: relative;
    z-index: 1;
}

.card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(23, 107, 206, 0.12);
    border: 1px solid rgba(23, 107, 206, 0.2);
    margin-bottom: var(--space-5);
    color: var(--color-primary);
    flex-shrink: 0;
}

.card__icon svg {
    width: 22px;
    height: 22px;
}

.card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--space-3);
    line-height: var(--leading-snug);
}

.card__text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

/* ══════════════════════════════════════════════
   PRINCÍPIOS / DIFERENCIAIS
══════════════════════════════════════════════ */
.principle {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.principle__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(19, 184, 176, 0.1);
    border: 1px solid rgba(19, 184, 176, 0.2);
    color: var(--color-secondary);
    margin-top: 2px;
}

.principle__icon svg {
    width: 18px;
    height: 18px;
}

.principle__title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.principle__text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

/* ══════════════════════════════════════════════
   FORMULÁRIO
══════════════════════════════════════════════ */
.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.form__label {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form__label span[aria-hidden="true"] {
    color: var(--color-error);
    margin-left: 2px;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border-hover);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-family: var(--font-family);
    transition: border-color var(--transition-base),
                box-shadow var(--transition-base),
                background var(--transition-base);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* Estado: foco */
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(23, 107, 206, 0.15);
    background: var(--color-surface-hover);
}

/* Estado: válido */
.form__input.is-valid,
.form__select.is-valid,
.form__textarea.is-valid {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
}

/* Estado: inválido */
.form__input.is-invalid,
.form__select.is-invalid,
.form__textarea.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* Select customizado */
.form__select-wrapper {
    position: relative;
}

.form__select-wrapper::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-text-muted);
    pointer-events: none;
}

.form__select {
    padding-right: 2.5rem;
    cursor: pointer;
}

.form__select option {
    background: var(--color-surface);
    color: var(--color-text);
}

/* Textarea */
.form__textarea {
    min-height: 130px;
    resize: vertical;
}

/* Mensagem de erro */
.form__error {
    font-size: var(--text-xs);
    color: var(--color-error);
    min-height: 1.1em;
    transition: opacity var(--transition-fast);
}

/* Contador de caracteres */
.form__counter {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: right;
}

.form__counter.is-near-limit {
    color: var(--color-warning);
}

.form__counter.is-at-limit {
    color: var(--color-error);
}

/* Honeypot (anti-spam — oculto) */
.form__honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
    tab-index: -1;
    aria-hidden: true;
}

/* Status do formulário */
.form__status {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    display: none;
    align-items: center;
    gap: var(--space-3);
}

.form__status.is-visible {
    display: flex;
}

.form__status--success {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.25);
    color: var(--color-success);
}

.form__status--error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.25);
    color: var(--color-error);
}

/* ══════════════════════════════════════════════
   ANIMAÇÕES DE ENTRADA (IntersectionObserver)
══════════════════════════════════════════════ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slower) ease,
                transform var(--transition-slower) ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Atraso escalonado para filhos de grid */
.animate-on-scroll[data-delay="1"] { transition-delay: 100ms; }
.animate-on-scroll[data-delay="2"] { transition-delay: 200ms; }
.animate-on-scroll[data-delay="3"] { transition-delay: 300ms; }
.animate-on-scroll[data-delay="4"] { transition-delay: 400ms; }
.animate-on-scroll[data-delay="5"] { transition-delay: 500ms; }

/* ══════════════════════════════════════════════
   SEPARADOR DECORATIVO
══════════════════════════════════════════════ */
.divider {
    width: 48px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.divider--center {
    margin-inline: auto;
}

/* ══════════════════════════════════════════════
   TAG / BADGE
══════════════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
}

.badge--primary {
    background: rgba(23, 107, 206, 0.15);
    color: var(--color-primary-light);
    border: 1px solid rgba(23, 107, 206, 0.2);
}

.badge--secondary {
    background: rgba(19, 184, 176, 0.12);
    color: var(--color-secondary);
    border: 1px solid rgba(19, 184, 176, 0.2);
}