/* Componentes modulares CSS */

/* ===== HEADER COMPONENT ===== */
.header {
    background-color: rgba(46, 125, 50, 0.95);
    backdrop-filter: blur(10px);
    color: var(--light-text);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(46, 125, 50, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.header__logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 1rem;
    border: 3px solid var(--secondary-color);
    transition: var(--transition);
    filter: drop-shadow(0 0 10px rgba(33, 150, 243, 0.3));
}

.header__logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.header__logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.header__nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.header__nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.header__nav ul li a:hover,
.header__nav ul li a:focus {
    color: var(--secondary-color);
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* ===== HERO COMPONENT ===== */
.hero {
    background: var(--gradient);
    color: var(--light-text);
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(26, 35, 126, 0.7) 0%, rgba(33, 150, 243, 0.7) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__content h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__content p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero__cta {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.hero__cta:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.hero__cta:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* ===== CARD COMPONENT ===== */
.card {
    background-color: var(--light-text);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
}

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

.card__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.card p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--dark-text);
    opacity: 0.9;
}

/* ===== FORM COMPONENT ===== */
.form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form__group {
    margin-bottom: 1rem;
}

.form__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form__input.error,
.form__textarea.error {
    border-color: #d32f2f;
}

.form__error {
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form__textarea {
    resize: vertical;
}

/* ===== BUTTON COMPONENT ===== */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

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

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

.btn--full {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

/* ===== UTILITY CLASSES ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.animate-in {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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