/* ============================================
   MARCO VALENA — PORTFOLIO
   Premium dark-themed design system
   ============================================ */

/* ---------- CUSTOM PROPERTIES ---------- */
:root {
    --c-bg: #06080f;
    --c-bg-alt: #0c1020;
    --c-surface: rgba(255, 255, 255, .04);
    --c-surface-h: rgba(255, 255, 255, .08);
    --c-border: rgba(255, 255, 255, .08);
    --c-border-h: rgba(255, 255, 255, .14);
    --c-text: #e2e8f0;
    --c-text-muted: #94a3b8;
    --c-heading: #f8fafc;
    --c-accent: #3b82f6;
    --c-accent-2: #06b6d4;
    --c-accent-glow: rgba(59, 130, 246, .25);
    --font-body: 'Inter', system-ui, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
    --radius: 16px;
    --radius-sm: 8px;
}

/* ---------- RESET ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%
}

body {
    font-family: var(--font-body);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none
}

ul {
    list-style: none
}

img {
    display: block;
    max-width: 100%
}

/* ---------- UTILITIES ---------- */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- NAVIGATION ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background .4s, box-shadow .4s, padding .4s;
}

.nav.scrolled {
    background: rgba(6, 8, 15, .85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    box-shadow: 0 1px 0 var(--c-border);
    padding: 10px 0;
}

.nav__inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    margin-right: 24px;
}

.nav__logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav__lang {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 24px;
    padding-left: 24px;
    border-left: 1px solid var(--c-border);
}

.nav__lang-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    transition: transform .3s, opacity .3s;
    opacity: .5;
}

.nav__lang-link:hover,
.nav__lang-link.active {
    opacity: 1;
    transform: scale(1.1);
}

.nav__lang-link svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    font-weight: 500;
    color: var(--c-text-muted);
    transition: color .3s, background .3s;
}

.nav__links a:hover {
    color: var(--c-heading);
    background: var(--c-surface-h);
}

.nav__cta {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2)) !important;
    color: #fff !important;
    font-weight: 600 !important;
}

.nav__cta:hover {
    opacity: .9;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2)) !important;
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}

.nav__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px)
}

.nav__hamburger.active span:nth-child(2) {
    opacity: 0
}

.nav__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px)
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: .35;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 45%, rgba(59, 130, 246, .12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 70% 60%, rgba(6, 182, 212, .08) 0%, transparent 60%),
        linear-gradient(180deg, transparent 70%, var(--c-bg) 100%);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
}

.hero__badge {
    display: inline-block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--c-accent);
    background: rgba(59, 130, 246, .1);
    border: 1px solid rgba(59, 130, 246, .2);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 32px;
}

.hero__name {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.04em;
    color: var(--c-heading);
    margin-bottom: 24px;
}

.hero__name-line {
    display: block;
}

.hero__name-line--accent {
    color: var(--c-accent);
}

.hero__name-line--accent .hero__letter {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--c-text-muted);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-weight: 600;
    transition: transform .3s var(--ease-spring), box-shadow .3s;
    cursor: pointer;
    border: none;
}

.btn:hover {
    transform: translateY(-2px)
}

.btn--primary {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    color: #fff;
    box-shadow: 0 4px 24px var(--c-accent-glow);
}

.btn--primary:hover {
    box-shadow: 0 8px 40px var(--c-accent-glow)
}

.btn--ghost {
    background: var(--c-surface);
    color: var(--c-text);
    border: 1px solid var(--c-border);
}

.btn--ghost:hover {
    background: var(--c-surface-h);
    border-color: var(--c-border-h);
}

/* scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--c-text-muted);
    font-size: .7rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    z-index: 2;
    animation: scrollBounce 2s var(--ease-out) infinite;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--c-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollBounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0)
    }

    50% {
        transform: translateX(-50%) translateY(8px)
    }
}

@keyframes scrollLine {
    0% {
        opacity: .2;
        transform: scaleY(.5)
    }

    50% {
        opacity: 1;
        transform: scaleY(1)
    }

    100% {
        opacity: .2;
        transform: scaleY(.5)
    }
}

/* auto-scrolling ribbon */
.hero__ribbon {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    background: rgba(6, 8, 15, .6);
    backdrop-filter: blur(10px);
    z-index: 2;
    padding: 14px 0;
}

.hero__ribbon-track {
    display: flex;
    gap: 32px;
    white-space: nowrap;
    animation: ribbonScroll 30s linear infinite;
    font-family: var(--font-heading);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--c-text-muted);
}

.hero__ribbon-track span {
    flex-shrink: 0;
}

@keyframes ribbonScroll {
    0% {
        transform: translateX(0)
    }

    100% {
        transform: translateX(-50%)
    }
}

/* ---------- SECTIONS ---------- */
.section {
    padding: 120px 0;
}

.section--dark {
    background: var(--c-bg-alt);
}

.section__header {
    margin-bottom: 64px;
}

.section__label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .2em;
    color: var(--c-accent);
    margin-bottom: 12px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -.03em;
    color: var(--c-heading);
    margin-bottom: 12px;
}

.section__subtitle {
    font-size: 1.05rem;
    color: var(--c-text-muted);
    max-width: 560px;
}

/* ---------- ABOUT ---------- */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about__subtitle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--c-heading);
    letter-spacing: -.02em;
    margin-bottom: 20px;
}

.about__text p {
    margin-bottom: 16px;
    color: var(--c-text-muted);
}

.about__text strong {
    color: var(--c-text);
}

.about__stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 28px 32px;
    display: flex;
    align-items: baseline;
    gap: 2px;
    flex-wrap: wrap;
    transition: border-color .3s, background .3s;
}

.stat-card:hover {
    border-color: var(--c-border-h);
    background: var(--c-surface-h);
}

.stat-card__number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -.03em;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card__suffix {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card__label {
    width: 100%;
    font-size: .85rem;
    color: var(--c-text-muted);
    letter-spacing: .05em;
    text-transform: uppercase;
    margin-top: 4px;
}

/* ---------- SKILLS ---------- */
.skills__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: transform .4s var(--ease-spring), border-color .3s, box-shadow .3s;
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, .3);
    box-shadow: 0 12px 40px rgba(59, 130, 246, .08);
}

.skill-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, .15), rgba(6, 182, 212, .1));
    color: var(--c-accent);
    margin-bottom: 24px;
}

.skill-card__icon svg {
    width: 24px;
    height: 24px;
}

.skill-card__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--c-heading);
    margin-bottom: 10px;
}

.skill-card__desc {
    font-size: .9rem;
    color: var(--c-text-muted);
    margin-bottom: 20px;
}

.skill-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-card__tags span {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 100px;
    background: rgba(59, 130, 246, .08);
    color: var(--c-accent);
    border: 1px solid rgba(59, 130, 246, .15);
}

/* ---------- SERVICES ---------- */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: transform .4s var(--ease-spring), border-color .3s;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
    opacity: 0;
    transition: opacity .3s;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-h);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card__number {
    font-family: var(--font-heading);
    font-size: .75rem;
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: .1em;
    margin-bottom: 16px;
}

.service-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--c-heading);
    margin-bottom: 16px;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-card__list li {
    position: relative;
    padding-left: 20px;
    font-size: .9rem;
    color: var(--c-text-muted);
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
}

/* ---------- TIMELINE / EXPERIENCE ---------- */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-accent-2), transparent);
    border-radius: 2px;
}

.timeline__item {
    position: relative;
    margin-bottom: 32px;
}

.timeline__item:last-child {
    margin-bottom: 0
}

.timeline__marker {
    position: absolute;
    left: -32px;
    top: 28px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--c-bg);
    border: 3px solid var(--c-accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, .15);
    z-index: 1;
}

.timeline__card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color .3s, transform .3s var(--ease-spring);
}

.timeline__card:hover {
    border-color: var(--c-border-h);
    transform: translateX(4px);
}

.timeline__card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--c-heading);
    margin-bottom: 10px;
}

.timeline__card p {
    font-size: .9rem;
    color: var(--c-text-muted);
    line-height: 1.7;
}

/* ---------- CONTACT ---------- */
.contact__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 600px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 40px 24px;
    transition: transform .4s var(--ease-spring), border-color .3s, box-shadow .3s;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, .3);
    box-shadow: 0 12px 40px rgba(59, 130, 246, .08);
}

.contact-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(59, 130, 246, .15), rgba(6, 182, 212, .1));
    color: var(--c-accent);
    margin-bottom: 16px;
}

.contact-card__icon svg {
    width: 26px;
    height: 26px;
}

.contact-card__label {
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--c-text-muted);
    margin-bottom: 4px;
}

.contact-card__value {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-heading);
}

/* ---------- FOOTER ---------- */
.footer {
    border-top: 1px solid var(--c-border);
    padding: 32px 0;
}

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

.footer__copy {
    font-size: .8rem;
    color: var(--c-text-muted);
}

.footer__link {
    font-size: .8rem;
    color: var(--c-text-muted);
    transition: color .3s;
}

.footer__link:hover {
    color: var(--c-accent)
}

/* ---------- ANIMATIONS ---------- */
.anim-fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
    transition-delay: var(--delay, 0s);
}

.anim-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media(max-width:992px) {

    .skills__grid,
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media(max-width:768px) {
    .nav__hamburger {
        display: flex;
        order: 2;
    }

    .nav__links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(6, 8, 15, .97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s;
    }

    .nav__links.open {
        opacity: 1;
        pointer-events: all;
    }

    .nav__logo {
        order: 0;
    }

    .nav__lang {
        margin: 0;
        padding: 0;
        border: none;
        gap: 12px;
        order: 1;
        margin-left: auto;
        margin-right: 20px;
    }

    .nav__lang-link {
        width: 22px;
        height: 22px;
    }

    .nav__links a {
        font-size: 1.2rem;
        padding: 12px 24px;
    }

    .skills__grid,
    .services__grid,
    .contact__grid {
        grid-template-columns: 1fr;
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .section {
        padding: 80px 0;
    }

    .hero__scroll {
        bottom: 80px;
    }
}

@media(max-width:480px) {
    .about__stats {
        grid-template-columns: 1fr;
    }

    .hero__name {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }
}

/* Hero Letter Animation */
.hero__letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    animation: flyInLetter 0.8s var(--ease-out) forwards;
}

@keyframes flyInLetter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- REFERENCES NEW DESIGN ---------- */
.reference-card {
    display: flex;
    flex-direction: column;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .4s var(--ease-spring), border-color .3s, box-shadow .3s;
    text-decoration: none;
    height: 100%;
}

.reference-card:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-h);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.reference-card__content {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.reference-card__text {
    font-size: 1rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.reference-card__image-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #0f1221;
    overflow: hidden;
    position: relative;
    border-top: 1px solid var(--c-border);
}

.reference-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.reference-card:hover .reference-card__image {
    transform: scale(1.05);
}

/* Placeholder pattern if image missing */
.reference-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1), transparent 70%);
    color: var(--c-accent);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

/* ---------- MOUSE TRAIL ---------- */
#mouseTrailCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
}

/* ---------- AI-READY CHECK CTA ---------- */
.hero__ai-cta {
    margin-top: 28px;
    display: flex;
    justify-content: center;
}

.ai-check-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: linear-gradient(135deg,
        rgba(59, 130, 246, .12) 0%,
        rgba(6, 182, 212, .08) 100%);
    border: 1px solid rgba(59, 130, 246, .35);
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: all .35s var(--ease-out);
    backdrop-filter: blur(10px);
    overflow: hidden;
    max-width: 520px;
}

.ai-check-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(59, 130, 246, .18),
        rgba(6, 182, 212, .12));
    opacity: 0;
    transition: opacity .3s;
}

.ai-check-btn:hover {
    border-color: rgba(59, 130, 246, .6);
    transform: translateY(-3px);
    box-shadow:
        0 0 0 1px rgba(59, 130, 246, .2),
        0 8px 32px rgba(59, 130, 246, .2),
        0 0 60px rgba(59, 130, 246, .08);
}

.ai-check-btn:hover::before { opacity: 1; }

.ai-check-btn__icon {
    font-size: 2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, .5));
}

.ai-check-btn__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.ai-check-btn__label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-heading);
    letter-spacing: -.01em;
    background: linear-gradient(135deg, #fff 40%, var(--c-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-check-btn__sub {
    font-size: .8rem;
    color: var(--c-text-muted);
    margin-top: 2px;
    line-height: 1.4;
}

/* Pulsing ring */
.ai-check-btn__pulse {
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    border: 1px solid rgba(59, 130, 246, .5);
    animation: aiPulse 2.5s ease-in-out infinite;
    pointer-events: none;
}

@keyframes aiPulse {
    0%, 100% { opacity: .6; transform: scale(1); }
    50%       { opacity: 0; transform: scale(1.03); }
}

/* NEW badge dot */
.ai-check-btn::after {
    content: 'NEU';
    position: absolute;
    top: -10px;
    right: -4px;
    font-family: var(--font-heading);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: #fff;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    padding: 3px 8px;
    border-radius: 100px;
    box-shadow: 0 2px 10px rgba(59, 130, 246, .4);
}

@media (max-width: 600px) {
    .ai-check-btn {
        padding: 14px 18px;
        gap: 10px;
    }
    .ai-check-btn__icon { font-size: 1.6rem; }
    .ai-check-btn__label { font-size: .9rem; }
    .ai-check-btn__sub { font-size: .72rem; }
}