/* ============================================================
   VARIABLES GLOBALES 
============================================================ */
:root {
    --primary-color: #1A365D;
    --secondary-color: #2A9D90;
    --tertiary-color: #29f9e154;
    --accent-color: #4FB0C6;
    --text-color: #2E2E2E;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --shadow: rgba(26, 54, 93, 0.12);
    --shadow-hover: rgba(26, 54, 93, 0.18);
    --border-light: rgba(26, 54, 93, 0.08);
    --font-primary: 'Poppins', 'Nunito', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --btn-radius: 30px;
    --btn-hover: #256D85;
    --transition-fast: 0.3s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    --xs: 480px;
    --sm: 767px;
    --md: 1024px;
    --lg: 1199px;
    --xl: 1599px;
}

/* ============================================================
   RESET BASICO
============================================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--text-color);
    background-color: var(--bg-light);
    line-height: var(--line-height-base);
}

/* ============================================================
   CONTENEDOR GENERAL
============================================================ */
.esp-card-container {
    background: var(--bg-white);
    max-width: 1000px;
    margin: 2rem auto;
    padding: 3rem 2.5rem;
    border-radius: 22px;
    box-shadow: 0 10px 35px rgba(0,0,0,0.10);
    border: 1px solid #e7e7e7;
    animation: fadeIn 0.5s ease-out;
    transition: box-shadow 0.3s ease;
}

.esp-card-container:hover {
    box-shadow: 0 14px 42px rgba(0,0,0,0.12);
}

/* ============================================================
   TITULOS
============================================================ */
.esp-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 1.8rem;
    font-family: var(--font-primary);
    position: relative;
}

.esp-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 0.6rem auto 0;
    border-radius: 10px;
}

/* ============================================================
   FORMULARIOS
============================================================ */
.esp-form-group {
    margin-bottom: 1.6rem;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.esp-form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-color);
}

.esp-input,
textarea.esp-input,
.esp-input-file {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 14px;
    border: 1px solid #cfd5db;
    font-size: 1rem;
    background: #fff;
    transition: all 0.3s ease;
}

.esp-input:focus,
textarea.esp-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px rgba(42,157,144,0.25);
    outline: none;
}

.esp-input-file {
    padding: 0.5rem 1rem;
}

/* ============================================================
   PREVIEW ICONO
============================================================ */
.esp-preview {
    margin-top: 0.8rem;
}

.esp-icon-preview {
    max-width: 120px;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.15);
    transition: transform 0.3s;
}

.esp-icon-preview:hover {
    transform: scale(1.05);
}

/* ============================================================
   ACCIONES / BOTONES
============================================================ */
.esp-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.esp-btn {
    padding: 0.85rem 1.8rem;
    border-radius: 14px !important;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none !important;
    justify-content: center;
    cursor: pointer;
}

.btn-primary.esp-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-primary.esp-btn:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 25px rgba(0,0,0,0.18);
}

.btn-secondary.esp-btn {
    background: #e5e5e5;
    color: #333;
    border: none;
}

.btn-secondary.esp-btn:hover {
    background: #d6d6d6;
}

/* ============================================================
   SECCIONES DETALLE
============================================================ */
.esp-section {
    margin-top: 2rem;
    padding: 1.8rem;
    background: #fafafa;
    border-radius: 18px;
    border: 1px solid #e3e3e3;
}

.esp-subtitle {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-left: 5px solid var(--secondary-color);
    padding-left: 12px;
}

.esp-detail-item {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.form-section.card {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: 0 10px 32px rgba(0,0,0,0.09);
    animation: fadeInUp 0.6s ease-out;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-section.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 38px rgba(0,0,0,0.14);
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
}

.form-title::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 0.6rem auto 0;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.8rem;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.form-group input,
.form-group textarea,
.form-group input[type="file"] {
    width: 100%;
    padding: 0.95rem 1.2rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    font-size: 1rem;
    background-color: #fcfcfc;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 12px rgba(42,157,144,0.25);
    outline: none;
}

.form-group img {
    max-width: 120px;
    margin-top: 0.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
    transition: transform 0.3s, box-shadow 0.3s;
}

.form-group img:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 22px rgba(0,0,0,0.18);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.form-actions .btn {
    border-radius: 30px;
    padding: 0.85rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.form-actions .btn-primary:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 25px rgba(0,0,0,0.18);
}

.form-actions .btn-secondary {
    background: #e5e5e5;
    color: #333;
    border: none;
    text-decoration: none !important;
}

.form-actions .btn-secondary:hover {
    background: #d6d6d6;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    .form-section.card {
        padding: 2rem 1.5rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
}