/* ═══════════════════════════════════════════
   ALVATEC — PÁGINA DE CONTACTO
   Diseño premium con hero + grid informativo
   ═══════════════════════════════════════════ */

/* ── Variables locales ── */
:root {
    --alv-green: #2a8a43;
    --alv-green-dark: #1d6b33;
    --alv-green-light: #e8f5ec;
    --alv-dark: #1a1a2e;
    --alv-dark-soft: #2d2d44;
    --alv-gray-100: #f7f8fa;
    --alv-gray-200: #ecedf0;
    --alv-gray-400: #9ca3af;
    --alv-gray-600: #6b7280;
    --alv-gray-800: #374151;
    --alv-radius: 10px;
    --alv-shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --alv-shadow-md: 0 4px 16px rgba(0,0,0,.1);
    --alv-shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --alv-transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ════════════════════
   HERO
   ════════════════════ */
.alv-contacto-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('https://alvatec.com.ar/wp-content/uploads/2024/11/alvatec-fondo.jpg') center/cover no-repeat;
    overflow: hidden;
}

.alv-contacto-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,.85) 0%, rgba(42,138,67,.6) 100%);
    z-index: 1;
}

.alv-contacto-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 3rem 1.5rem;
    max-width: 700px;
}

.alv-contacto-hero__tag {
    display: inline-block;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: .4rem 1.2rem;
    border-radius: 50px;
    margin-bottom: 1.2rem;
    border: 1px solid rgba(255,255,255,.2);
}

.alv-contacto-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.alv-contacto-hero__sub {
    font-size: 1.1rem;
    color: rgba(255,255,255,.85);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto;
}

/* ════════════════════
   BODY / GRID
   ════════════════════ */
.alv-contacto-body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
}

.alv-contacto-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2.5rem;
    align-items: start;
}

/* ════════════════════
   INFO COLUMN
   ════════════════════ */
.alv-contacto-info {
    background: var(--alv-dark);
    border-radius: var(--alv-radius);
    padding: 2.5rem 2rem;
    color: #fff;
}

.alv-contacto-info__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: .6rem;
    color: #fff;
}

.alv-contacto-info__desc {
    font-size: .9rem;
    color: var(--alv-gray-400);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.alv-contacto-info__items {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    margin-bottom: 2rem;
}

.alv-contacto-info__item {
    display: flex;
    align-items: flex-start;
    gap: .9rem;
}

.alv-contacto-info__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(42,138,67,.2);
    color: var(--alv-green);
    display: flex;
    align-items: center;
    justify-content: center;
}

.alv-contacto-info__item strong {
    display: block;
    font-size: .85rem;
    color: var(--alv-gray-400);
    margin-bottom: 2px;
    font-weight: 500;
}

.alv-contacto-info__item a,
.alv-contacto-info__item span {
    color: #fff;
    text-decoration: none;
    font-size: .95rem;
    transition: color var(--alv-transition);
}

.alv-contacto-info__item a:hover {
    color: var(--alv-green);
}

/* Notice box */
.alv-contacto-info__notice {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    background: rgba(42,138,67,.15);
    border: 1px solid rgba(42,138,67,.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.alv-contacto-info__notice svg {
    flex-shrink: 0;
    color: var(--alv-green);
    margin-top: 2px;
}

.alv-contacto-info__notice p {
    font-size: .82rem;
    color: rgba(255,255,255,.8);
    line-height: 1.5;
    margin: 0;
}

.alv-contacto-info__notice strong {
    color: var(--alv-green);
}

/* Decorative image */
.alv-contacto-info__img {
    border-radius: 8px;
    overflow: hidden;
    margin-top: .5rem;
}

.alv-contacto-info__img img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    border-radius: 8px;
    opacity: .85;
    transition: opacity var(--alv-transition);
}

.alv-contacto-info__img img:hover {
    opacity: 1;
}

/* ════════════════════
   FORM COLUMN
   ════════════════════ */
.alv-contacto-form-wrap {
    background: #fff;
    border-radius: var(--alv-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--alv-shadow-md);
    border: 1px solid var(--alv-gray-200);
}

.alv-contacto-form__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--alv-gray-800);
    margin-bottom: .4rem;
}

.alv-contacto-form__sub {
    font-size: .9rem;
    color: var(--alv-gray-600);
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Form layout */
.alv-contacto-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.alv-cf-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.alv-cf-field {
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.alv-cf-field label {
    font-size: .85rem;
    font-weight: 600;
    color: var(--alv-gray-800);
}

.alv-cf-field label span {
    color: var(--alv-green);
}

.alv-cf-field input,
.alv-cf-field select,
.alv-cf-field textarea {
    width: 100%;
    padding: .7rem .9rem;
    border: 1.5px solid var(--alv-gray-200);
    border-radius: 8px;
    font-size: .9rem;
    color: var(--alv-gray-800);
    background: var(--alv-gray-100);
    transition: border-color var(--alv-transition), box-shadow var(--alv-transition);
    box-sizing: border-box;
    font-family: inherit;
}

.alv-cf-field input::placeholder,
.alv-cf-field textarea::placeholder {
    color: var(--alv-gray-400);
}

.alv-cf-field input:focus,
.alv-cf-field select:focus,
.alv-cf-field textarea:focus {
    outline: none;
    border-color: var(--alv-green);
    box-shadow: 0 0 0 3px rgba(42,138,67,.12);
    background: #fff;
}

.alv-cf-field textarea {
    resize: vertical;
    min-height: 100px;
}

/* Exclusion message */
.alv-cf-exclusion {
    display: none;
    align-items: flex-start;
    gap: .8rem;
    padding: 1.2rem;
    border-radius: 8px;
    background: #fef3c7;
    border: 1px solid #fde68a;
    animation: alvSlideDown .3s ease;
}

@keyframes alvSlideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alv-cf-exclusion svg {
    flex-shrink: 0;
    color: #d97706;
    margin-top: 2px;
}

.alv-cf-exclusion strong {
    display: block;
    color: #92400e;
    font-size: .9rem;
    margin-bottom: 4px;
}

.alv-cf-exclusion p {
    margin: 0;
    font-size: .83rem;
    color: #78350f;
    line-height: 1.5;
}

/* Rest of form (hidden until valid selection) */
.alv-cf-rest {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Submit button */
.alv-cf-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: 100%;
    padding: .9rem 2rem;
    background: var(--alv-green);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--alv-transition), transform var(--alv-transition), box-shadow var(--alv-transition);
}

.alv-cf-submit:hover {
    background: var(--alv-green-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(42,138,67,.35);
}

.alv-cf-submit:active {
    transform: translateY(0);
}

/* ════════════════════
   SUCCESS / ERROR
   ════════════════════ */
.alv-contacto-success {
    text-align: center;
    padding: 3rem 1rem;
}

.alv-contacto-success svg {
    margin-bottom: 1.2rem;
}

.alv-contacto-success h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--alv-green);
    margin-bottom: .8rem;
}

.alv-contacto-success p {
    font-size: .95rem;
    color: var(--alv-gray-600);
    line-height: 1.6;
    max-width: 420px;
    margin: 0 auto;
}

.alv-contacto-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
    padding: 1rem;
    border-radius: 8px;
    font-size: .9rem;
    margin-bottom: 1rem;
}

/* ════════════════════
   RESPONSIVE
   ════════════════════ */
@media (max-width: 900px) {
    .alv-contacto-grid {
        grid-template-columns: 1fr;
    }
    .alv-contacto-info {
        order: 2;
    }
    .alv-contacto-form-wrap {
        order: 1;
    }
}

@media (max-width: 600px) {
    .alv-cf-row {
        grid-template-columns: 1fr;
    }
    .alv-contacto-hero {
        min-height: 280px;
    }
    .alv-contacto-form-wrap,
    .alv-contacto-info {
        padding: 1.5rem 1.2rem;
    }
}