.tt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.85rem;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.2;
    border-radius: var(--tt-radius-md);
    border: 2px solid transparent;
    text-decoration: none;
    transition: transform var(--tt-duration) var(--tt-ease),
                box-shadow var(--tt-duration) var(--tt-ease),
                border-color var(--tt-duration) var(--tt-ease),
                background var(--tt-duration) var(--tt-ease);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tt-btn:hover {
    transform: translateY(-3px);
    text-decoration: none;
}

.tt-btn--primary {
    background: var(--tt-gradient-accent);
    color: #041018 !important;
    box-shadow: var(--tt-shadow-btn);
}

.tt-btn--primary:hover {
    box-shadow: 0 12px 40px rgba(0, 212, 170, 0.45);
    color: #041018 !important;
}

.tt-btn--outline {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.22);
    color: var(--tt-text-on-dark) !important;
    backdrop-filter: blur(8px);
}

.tt-btn--outline:hover {
    border-color: var(--tt-accent);
    color: var(--tt-accent) !important;
    background: rgba(0, 212, 170, 0.1);
}

.tt-btn--outline-dark {
    background: var(--tt-bg-white);
    border-color: var(--tt-border-light);
    color: var(--tt-text-dark) !important;
    box-shadow: var(--tt-shadow-card);
}

.tt-btn--outline-dark:hover {
    border-color: var(--tt-accent);
    color: #008f74 !important;
    background: var(--tt-bg-white);
    box-shadow: var(--tt-shadow-card-hover);
}

.tt-btn--lg {
    padding: 1.05rem 2.15rem;
    font-size: 1rem;
    border-radius: calc(var(--tt-radius-md) + 2px);
}

/* ── Cards premium ── */
.tt-card {
    position: relative;
    border-radius: var(--tt-radius-lg);
    padding: 2.25rem;
    height: 100%;
    transition: transform var(--tt-duration) var(--tt-ease),
                box-shadow var(--tt-duration) var(--tt-ease);
    overflow: hidden;
    isolation: isolate;
}

.tt-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--tt-gradient-card-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--tt-duration) var(--tt-ease);
    pointer-events: none;
}

.tt-card::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -30%;
    width: 70%;
    height: 80%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.12) 0%, transparent 65%);
    opacity: 0;
    transition: opacity var(--tt-duration) var(--tt-ease);
    pointer-events: none;
}

.tt-card:hover {
    transform: translateY(-6px);
}

.tt-card:hover::before,
.tt-card:hover::after {
    opacity: 1;
}

.tt-card--dark {
    background: var(--tt-gradient-card);
    border: 1px solid var(--tt-border);
    backdrop-filter: blur(12px);
}

.tt-card--dark:hover {
    box-shadow: var(--tt-shadow-glow);
}

.tt-card--light {
    background: var(--tt-bg-white);
    border: 1px solid var(--tt-border-light);
    box-shadow: var(--tt-shadow-card);
}

.tt-card--light:hover {
    box-shadow: var(--tt-shadow-card-hover);
}

.tt-card__image {
    display: block;
    width: calc(100% + 4.5rem);
    max-width: none;
    height: auto;
    margin: -2.25rem -2.25rem 1.25rem;
    border-radius: var(--tt-radius-lg) var(--tt-radius-lg) 0 0;
    border-bottom: 1px solid var(--tt-border-light);
}

.tt-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--tt-radius-md);
    background: var(--tt-gradient-accent);
    color: #041018;
    font-size: 1.2rem;
    margin-bottom: 1.35rem;
    box-shadow: 0 8px 24px rgba(0, 212, 170, 0.3);
}

.tt-card--light .tt-card__icon {
    background: linear-gradient(135deg, rgba(0,212,170,0.2), rgba(34,211,238,0.15));
    color: #009e80;
    box-shadow: none;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.tt-card--dark .tt-card__icon {
    background: var(--tt-gradient-accent);
    color: #041018;
}

.tt-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.tt-card__text {
    font-size: 0.97rem;
    line-height: 1.7;
    margin-bottom: 0;
    opacity: 0.88;
}

.tt-card--dark .tt-card__text {
    color: var(--tt-text-on-dark-muted);
}

.tt-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tt-accent) !important;
    text-decoration: none;
    transition: gap var(--tt-duration) var(--tt-ease);
}

.tt-card__link:hover {
    gap: 0.65rem;
    color: #1ae0b8 !important;
}

.tt-step {
    position: relative;
    text-align: center;
    padding: 1.75rem 1rem;
}

.tt-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 800;
    background: var(--tt-gradient-accent);
    color: #041018;
    margin-bottom: 1.1rem;
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.35);
}

.tt-step__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tt-step__text {
    font-size: 0.9rem;
    color: var(--tt-text-muted);
    margin: 0;
    line-height: 1.55;
}

.tt-section--dark .tt-step__text {
    color: var(--tt-text-on-dark-muted);
}

.tt-case {
    border-radius: var(--tt-radius-lg);
    padding: 2.25rem;
    background: var(--tt-bg-white);
    border: 1px solid var(--tt-border-light);
    box-shadow: var(--tt-shadow-card);
    height: 100%;
    transition: all var(--tt-duration) var(--tt-ease);
}

.tt-case:hover {
    box-shadow: var(--tt-shadow-card-hover);
    transform: translateY(-5px);
    border-color: rgba(0, 212, 170, 0.2);
}

.tt-case__tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.35rem 0.85rem;
    border-radius: 2rem;
    background: var(--tt-accent-soft);
    color: #008f74;
    margin-bottom: 1.1rem;
}

.tt-case__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.tt-case__block {
    margin-bottom: 1rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--tt-border-light);
}

.tt-case__block:last-child {
    margin-bottom: 0;
    border-left-color: var(--tt-accent);
}

.tt-case__label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--tt-text-muted);
    margin-bottom: 0.3rem;
}

.tt-case__value {
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0;
    color: var(--tt-text-dark);
}

.tt-case-block {
    width: 100%;
}

.tt-case-block .tt-case {
    padding: 1.5rem;
}

.tt-case-block .tt-case__title {
    font-size: 1.05rem;
}

.tt-case-block .tt-case__value {
    font-size: 0.86rem;
}

.tt-case-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--tt-radius-lg);
    border: 1px solid rgba(0, 212, 170, 0.12);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .tt-case-block .tt-case-image {
        max-width: 18rem;
        margin-left: auto;
        margin-right: auto;
    }
}

.tt-why-item {
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    padding: 1.25rem;
    border-radius: var(--tt-radius-md);
    background: var(--tt-bg-white);
    border: 1px solid var(--tt-border-light);
    transition: box-shadow var(--tt-duration) var(--tt-ease),
                transform var(--tt-duration) var(--tt-ease);
}

.tt-why-item:hover {
    box-shadow: var(--tt-shadow-card);
    transform: translateY(-2px);
}

.tt-why-item__icon {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tt-radius-sm);
    background: var(--tt-gradient-accent);
    color: #041018;
    font-size: 1rem;
}

.tt-why-item__title {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.tt-why-item__text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--tt-text-muted);
    margin: 0;
}

.tt-cta {
    border-radius: var(--tt-radius-xl);
    padding: clamp(2.75rem, 5.5vw, 4.5rem);
    position: relative;
    overflow: hidden;
}

.tt-cta--accent {
    background: var(--tt-gradient-hero);
    background-image: var(--tt-gradient-mesh), var(--tt-gradient-hero);
    border: 1px solid var(--tt-border);
    color: var(--tt-text-on-dark);
}

.tt-cta--accent::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.5;
    pointer-events: none;
}

.tt-cta--accent::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 55%;
    height: 180%;
    background: radial-gradient(ellipse, var(--tt-accent-glow) 0%, transparent 65%);
    pointer-events: none;
    animation: tt-float 10s ease-in-out infinite;
}

.tt-cta__inner {
    position: relative;
    z-index: 1;
}

.tt-page-hero {
    position: relative;
    padding: clamp(6rem, 13vw, 9rem) 0 clamp(3.5rem, 7vw, 5rem);
    background: var(--tt-gradient-hero);
    background-image: var(--tt-gradient-mesh), var(--tt-gradient-hero);
    color: var(--tt-text-on-dark);
    overflow: hidden;
}

.tt-page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,212,170,0.4), transparent);
}

.tt-page-hero__title {
    font-size: clamp(2.2rem, 5.5vw, 3.4rem);
    font-weight: 800;
    margin-bottom: 1.15rem;
    letter-spacing: -0.03em;
    line-height: 1.08;
}

.tt-page-hero .tt-lead {
    font-size: clamp(1.08rem, 2.2vw, 1.28rem);
    max-width: 42rem;
}

.tt-page-hero--banner {
    display: flex;
    align-items: center;
    min-height: clamp(34rem, 58vw, 48rem);
    padding: clamp(7rem, 13vw, 10rem) 0 clamp(7rem, 13vw, 10rem);
    background: #0b1220;
}

.tt-page-hero__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.tt-page-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.tt-page-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        105deg,
        rgba(8, 13, 23, 0.48) 0%,
        rgba(8, 13, 23, 0.30) 42%,
        rgba(8, 13, 23, 0.08) 100%
    );
}

.tt-page-hero__content {
    z-index: 2;
}

.tt-page-hero--banner .tt-page-hero__title {
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(8, 13, 23, 0.55), 0 1px 4px rgba(8, 13, 23, 0.4);
}

.tt-page-hero--banner .tt-lead {
    color: rgba(238, 242, 247, 0.92);
    text-shadow: 0 1px 16px rgba(8, 13, 23, 0.5), 0 1px 3px rgba(8, 13, 23, 0.35);
}

.tt-page-hero--banner .tt-eyebrow {
    color: #ffffff;
    text-shadow: 0 1px 12px rgba(8, 13, 23, 0.45);
}

.tt-page-hero--banner + .tt-section {
    padding-top: clamp(3.25rem, 5.5vw, 4.75rem);
}

@media (max-width: 767.98px) {
    .tt-page-hero--banner {
        min-height: clamp(28rem, 72vw, 36rem);
        padding: clamp(5.5rem, 14vw, 7.5rem) 0 clamp(5.5rem, 14vw, 7.5rem);
    }

    .tt-page-hero--banner + .tt-section {
        padding-top: clamp(3rem, 6.5vw, 4.25rem);
    }
}

.tt-tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--tt-bg-white);
    border: 1px solid var(--tt-border-light);
    color: var(--tt-text-dark);
    transition: all var(--tt-duration) var(--tt-ease);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.tt-tech-pill:hover {
    border-color: var(--tt-accent);
    box-shadow: 0 8px 24px var(--tt-accent-soft);
    transform: translateY(-2px);
    color: #008f74;
}

.tt-contact-form-wrap {
    background: var(--tt-bg-white);
    border-radius: var(--tt-radius-xl);
    padding: clamp(2rem, 4vw, 3rem);
    box-shadow: var(--tt-shadow-card);
    border: 1px solid var(--tt-border-light);
}

.tt-contact-form-wrap .form-control {
    border-radius: var(--tt-radius-sm);
    border-color: var(--tt-border-light);
    padding: 0.8rem 1rem;
    font-family: var(--tt-font-family);
    transition: border-color var(--tt-duration) var(--tt-ease),
                box-shadow var(--tt-duration) var(--tt-ease);
}

.tt-contact-form-wrap .form-control:focus {
    border-color: var(--tt-accent);
    box-shadow: 0 0 0 4px var(--tt-accent-soft);
}

.tt-contact-form-wrap .s_website_form_label_content {
    font-weight: 600;
    font-size: 0.875rem;
}

.tt-theme header#top {
    transition: background var(--tt-duration) var(--tt-ease),
                box-shadow var(--tt-duration) var(--tt-ease),
                backdrop-filter var(--tt-duration) var(--tt-ease),
                color var(--tt-duration) var(--tt-ease);
}

.tt-theme header#top .nav-link,
.tt-theme header#top a:not(.tt-btn) {
    color: var(--tt-text-dark) !important;
    transition: color var(--tt-duration) var(--tt-ease);
}

.tt-theme header#top.tt-header--scrolled .nav-link,
.tt-theme header#top.tt-header--scrolled a:not(.tt-btn),
.tt-homepage header#top:not(.tt-header--scrolled) .nav-link,
.tt-homepage header#top:not(.tt-header--scrolled) a:not(.tt-btn) {
    color: var(--tt-text-on-dark) !important;
}

.tt-theme header#top .nav-link:hover,
.tt-theme header#top a:not(.tt-btn):hover {
    color: var(--tt-accent) !important;
}

.tt-theme header#top.tt-header--scrolled,
.tt-theme .tt-header.tt-header--scrolled {
    background: rgba(6, 10, 18, 0.88) !important;
    backdrop-filter: blur(16px) saturate(1.4);
    box-shadow: 0 1px 0 var(--tt-border), 0 8px 32px rgba(0, 0, 0, 0.2);
}

.tt-theme .navbar {
    font-family: var(--tt-font-family);
    font-weight: 500;
}

.tt-theme .navbar .nav-link {
    transition: color var(--tt-duration) var(--tt-ease);
}

.tt-theme .navbar .nav-link:hover,
.tt-theme .navbar .nav-link.active {
    color: var(--tt-accent) !important;
}

.tt-theme footer {
    font-family: var(--tt-font-family);
}

/* ── Visual card premium ── */
.tt-visual-card {
    position: relative;
    border-radius: var(--tt-radius-xl);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    height: 100%;
    background:
        radial-gradient(circle at 15% 10%, rgba(0, 212, 170, 0.16), transparent 32%),
        radial-gradient(circle at 85% 0%, rgba(34, 211, 238, 0.14), transparent 34%),
        linear-gradient(160deg, #ffffff 0%, #f6fbfa 52%, #eef8ff 100%);
    border: 1px solid rgba(0, 212, 170, 0.14);
    box-shadow:
        0 24px 70px rgba(15, 23, 42, 0.10),
        inset 0 1px 0 rgba(255,255,255,0.9);
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--tt-duration) var(--tt-ease),
                box-shadow var(--tt-duration) var(--tt-ease);
}

.tt-visual-card::before {
    content: '';
    position: absolute;
    inset: 1rem;
    border-radius: calc(var(--tt-radius-xl) - 0.5rem);
    border: 1px solid rgba(0, 212, 170, 0.10);
    pointer-events: none;
    z-index: -1;
}

.tt-visual-card::after {
    content: '';
    position: absolute;
    right: -18%;
    bottom: -28%;
    width: 55%;
    height: 55%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.22), transparent 68%);
    pointer-events: none;
    z-index: -1;
}

.tt-visual-card:hover {
    transform: translateY(-7px);
    box-shadow:
        0 34px 90px rgba(15, 23, 42, 0.15),
        0 0 45px rgba(0, 212, 170, 0.10);
}

.tt-service-image {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 1.35rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 212, 170, 0.12);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

/* Titolo card visuale */
.tt-visual-card .tt-card__title {
    margin-bottom: 0.7rem;
}

.tt-visual-card--software .tt-card__title {
    position: relative;
    margin-top: 1.15rem;
    padding-top: 1.15rem;
}

.tt-visual-card--software .tt-card__title::before {
    content: 'Process → Software → Control';
    position: absolute;
    top: -0.65rem;
    left: 0;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: #008f74;
    opacity: 0.9;
}

.tt-visual-card .tt-card__text {
    margin-bottom: 0;
    color: var(--tt-text-muted);
}