/* Contatti — institutional contact page */

/* Hero */
.contact-hero {
    position: relative;
    padding-top: calc(var(--header-height) + var(--space-md));
    padding-bottom: calc(var(--space-lg) * 0.85);
    overflow: hidden;
    isolation: isolate;
}

@media (min-width: 768px) {
    .contact-hero {
        padding-top: calc(var(--header-height) + var(--space-lg));
        padding-bottom: calc(var(--space-xl) * 0.9);
    }
}

.contact-hero__backdrop {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.contact-hero__aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.58;
    mix-blend-mode: screen;
}

.contact-hero__aurora--1 {
    width: min(68vw, 520px);
    height: min(54vw, 400px);
    top: -8%;
    right: -6%;
    background: radial-gradient(
        circle,
        rgba(91, 154, 255, 0.17) 0%,
        rgba(123, 92, 240, 0.09) 40%,
        transparent 72%
    );
    animation: aurora-drift 28s ease-in-out infinite alternate;
}

.contact-hero__aurora--2 {
    width: min(44vw, 360px);
    height: min(38vw, 300px);
    top: 30%;
    right: 6%;
    background: radial-gradient(
        circle,
        rgba(123, 92, 240, 0.11) 0%,
        transparent 68%
    );
    animation: aurora-drift 32s ease-in-out infinite alternate-reverse;
}

.contact-hero__aurora--cyan {
    width: min(38vw, 300px);
    height: min(32vw, 260px);
    bottom: 6%;
    right: 14%;
    background: radial-gradient(
        circle,
        rgba(77, 212, 255, 0.08) 0%,
        transparent 70%
    );
    animation: aurora-drift 30s ease-in-out infinite alternate;
}

.contact-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(180, 191, 208, 0.016) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180, 191, 208, 0.016) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 90% 80% at 36% 40%, black 8%, transparent 74%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 36% 40%, black 8%, transparent 74%);
}

.contact-hero__layout {
    position: relative;
    z-index: 1;
}

.contact-hero__content {
    max-width: 38rem;
}

.contact-hero__eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--champagne);
    margin-bottom: var(--space-sm);
}

.contact-hero__title {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.12;
    margin-bottom: var(--space-md);
    max-width: 18ch;
}

.contact-hero__title-accent {
    background: linear-gradient(
        135deg,
        var(--text-primary) 0%,
        var(--champagne) 55%,
        var(--cyan) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-hero__lead {
    font-size: clamp(1.0625rem, 2.2vw, 1.125rem);
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 36rem;
}

.contact-section__title {
    font-size: clamp(1.625rem, 4vw, 2.25rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    max-width: 22ch;
}

/* Channels */
.section--contact-channels {
    padding-block: calc(var(--space-xl) * 0.75);
}

.section__backdrop--contact-channels {
    background:
        radial-gradient(ellipse 75% 55% at 20% 40%, rgba(123, 92, 240, 0.08) 0%, transparent 58%),
        radial-gradient(ellipse 55% 45% at 85% 65%, rgba(77, 212, 255, 0.05) 0%, transparent 55%);
}

.contact-channels {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .contact-channels {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-lg);
        align-items: stretch;
    }
}

.contact-channel {
    position: relative;
    padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) + 0.25rem);
    border-left: 1px solid rgba(91, 154, 255, 0.14);
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0.01) 100%
    );
}

.contact-channel__accent {
    position: absolute;
    left: -1px;
    top: var(--space-md);
    width: 1px;
    height: 2.75rem;
    background: linear-gradient(
        180deg,
        rgba(214, 185, 120, 0.55) 0%,
        rgba(77, 212, 255, 0.3) 100%
    );
    box-shadow: 0 0 10px rgba(214, 185, 120, 0.2);
}

.contact-channel--whatsapp {
    padding-block: calc(var(--space-md) * 1.05);
    background: linear-gradient(
        145deg,
        rgba(91, 154, 255, 0.08) 0%,
        rgba(255, 255, 255, 0.03) 45%,
        rgba(77, 212, 255, 0.04) 100%
    );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 8px 32px rgba(91, 154, 255, 0.08);
}

.contact-channel--whatsapp .contact-channel__accent {
    height: 3.25rem;
    background: linear-gradient(
        180deg,
        rgba(214, 185, 120, 0.75) 0%,
        rgba(77, 212, 255, 0.45) 100%
    );
    box-shadow: 0 0 14px rgba(77, 212, 255, 0.22);
}

.contact-channel__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: var(--space-sm);
    color: rgba(180, 191, 208, 0.88);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(180, 191, 208, 0.08);
}

.contact-channel__icon--whatsapp {
    color: rgba(77, 212, 255, 0.92);
    background: rgba(77, 212, 255, 0.08);
    border-color: rgba(77, 212, 255, 0.18);
    box-shadow: 0 0 20px rgba(77, 212, 255, 0.1);
}

.contact-channel__label {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--champagne);
    margin-bottom: var(--space-xs);
}

.contact-channel__text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.contact-channel__value {
    margin: 0 0 var(--space-md);
}

.contact-channel__value-link {
    font-size: clamp(1.0625rem, 2.4vw, 1.1875rem);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: color var(--duration-base) var(--ease-soft);
}

.contact-channel__value-link:hover {
    color: var(--cyan);
}

.contact-channel__cta {
    width: 100%;
    justify-content: center;
    min-height: 3rem;
    padding: 0.9375rem 1.25rem;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .contact-channel__cta {
        width: auto;
        min-width: 100%;
    }
}

.contact-channel--whatsapp .contact-channel__cta {
    font-size: 1rem;
}

/* Online presence */
.section--contact-online {
    padding-block: calc(var(--space-lg) * 0.75);
}

.section__backdrop--contact-online {
    background:
        radial-gradient(ellipse 65% 48% at 72% 42%, rgba(77, 212, 255, 0.06) 0%, transparent 58%),
        radial-gradient(ellipse 50% 40% at 18% 68%, rgba(123, 92, 240, 0.05) 0%, transparent 55%),
        linear-gradient(180deg, transparent 0%, rgba(12, 20, 40, 0.16) 100%);
}

.contact-online__lead {
    font-size: clamp(1.0625rem, 2.2vw, 1.125rem);
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 38rem;
    margin-bottom: var(--space-sm);
}

.contact-online__statement {
    font-size: clamp(1rem, 2vw, 1.0625rem);
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    max-width: 28rem;
}

/* Form */
.section--contact-form {
    padding-block: calc(var(--space-xl) * 0.75);
    padding-bottom: calc(var(--space-xl) * 0.95);
}

.section__backdrop--contact-form {
    background:
        radial-gradient(ellipse 80% 55% at 30% 30%, rgba(123, 92, 240, 0.08) 0%, transparent 58%),
        radial-gradient(ellipse 60% 45% at 80% 70%, rgba(91, 154, 255, 0.05) 0%, transparent 55%);
}

.contact-form__header {
    max-width: 36rem;
    margin-bottom: var(--space-lg);
}

.contact-form__intro {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 34rem;
}

.contact-form__notice {
    max-width: 40rem;
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-left: 2px solid rgba(77, 212, 255, 0.35);
    background: rgba(77, 212, 255, 0.06);
}

.contact-form__notice-text {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.contact-form__notice a {
    color: var(--text-primary);
    font-weight: 600;
}

.contact-form {
    max-width: 40rem;
}

.contact-form__grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .contact-form__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.contact-form__field--full {
    grid-column: 1 / -1;
}

.contact-form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(180, 191, 208, 0.92);
    margin-bottom: 0.4375rem;
    letter-spacing: 0.02em;
}

.contact-form__required {
    color: var(--champagne);
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
    width: 100%;
    min-height: 3rem;
    padding: 0.8125rem 1rem;
    font: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(180, 191, 208, 0.12);
    border-radius: var(--radius);
    transition:
        border-color var(--duration-base) var(--ease-soft),
        box-shadow var(--duration-base) var(--ease-soft),
        background-color var(--duration-base) var(--ease-soft);
}

.contact-form__textarea {
    min-height: 8.5rem;
    resize: vertical;
    line-height: 1.65;
}

.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
    outline: none;
    border-color: rgba(77, 212, 255, 0.35);
    box-shadow: 0 0 0 3px rgba(77, 212, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.contact-form__input--error,
.contact-form__select.contact-form__input--error,
.contact-form__textarea.contact-form__input--error {
    border-color: rgba(214, 120, 120, 0.45);
}

.contact-form__select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, rgba(180, 191, 208, 0.6) 50%),
        linear-gradient(135deg, rgba(180, 191, 208, 0.6) 50%, transparent 50%);
    background-position:
        calc(100% - 1.125rem) calc(50% + 0.125rem),
        calc(100% - 0.75rem) calc(50% + 0.125rem);
    background-size: 0.375rem 0.375rem, 0.375rem 0.375rem;
    background-repeat: no-repeat;
    padding-right: 2.25rem;
}

.contact-form__field--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.contact-form__checkbox {
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.2rem;
    accent-color: var(--cyan);
}

.contact-form__checkbox-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-form__checkbox-label a {
    color: var(--text-primary);
    font-weight: 600;
}

.contact-form__error {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    color: rgba(232, 160, 160, 0.95);
}

.contact-form__submit {
    width: 100%;
    margin-top: var(--space-md);
    min-height: 3.125rem;
    padding: 1rem 1.5rem;
    font-size: 1rem;
}

@media (min-width: 480px) {
    .contact-form__submit {
        width: auto;
        min-width: 14rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .contact-hero {
        padding-top: calc(var(--header-height) + var(--space-sm));
        padding-bottom: var(--space-md);
    }

    .contact-hero__title {
        max-width: none;
    }

    .contact-section__title {
        max-width: none;
    }

    .contact-channel__cta,
    .contact-form__submit {
        width: 100%;
    }

    .section--contact-online {
        padding-top: calc(var(--space-md) * 0.7);
        padding-bottom: calc(var(--space-md) * 0.65);
    }

    .contact-online__lead {
        margin-bottom: var(--space-xs);
    }

    .section--contact-form {
        padding-top: calc(var(--space-md) * 0.85);
    }
}

@media (prefers-reduced-motion: reduce) {
    .contact-hero__aurora--1,
    .contact-hero__aurora--2,
    .contact-hero__aurora--cyan {
        animation: none;
    }
}